76 to 100 of 1,062 API Design Jobs

Position Summary We are currently seeking a motivated, career and customer-oriented Java Developer to join our team to begin an exciting and challenging career. Job Responsibilities • Design and implement Micro Service Architecture JEE software applications • Use modern software engineering tools including Eclipse, Visual Studio Code, and Atlassian Suites for design, development, and testing the software • Present the … solution at formal and informal design reviews and document the design according to the Government's system lifecycle methodology. • Must be well experienced in design and development of Microservice using Java, Spring-Boot, Rest API, JPA and JQL Required Skills and Experience • Bachelor's degree in computer science or related engineering field with 10+ years of … technical experience • Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers) • Strong experience with Spring Boot and microservices architecture. • Strong understanding of RESTful services, API design and implementation. • Good knowledge in technical concepts-Security, Transaction, Monitoring, Performance. • Strong experience in DevOps/CM tools like Git, Jenkins, Artifactory, Maven/Gradle, SonarQube. • JMS • XML, JSON More ❯

remotely with a high-performing team of engineers, data scientists, and product specialists to build scalable backend systems that support our AI products. You’ll focus on microservice architecture, API development, and integrating machine learning outputs into robust backend services. Tech You'll Work With: Java 17+ Spring Boot, Spring Cloud RESTful APIs & Microservices Docker, Kubernetes AWS or GCP … GitHub Actions, Jenkins (CI/CD) Responsibilities: Design, develop, and maintain high-performance backend applications Build and evolve RESTful APIs and service-to-service integrations Collaborate with AI/ML teams to productionise models Contribute to architectural decisions and performance optimisations Write clean, maintainable, and testable code Participate in code reviews and agile ceremonies What We're Looking For … 3+ years of Java development experience (Spring Boot a must) Solid understanding of microservices and API design Comfortable working in cloud-based environments (AWS/GCP) Experience with containerisation (Docker, Kubernetes) Self-motivated with excellent communication skills Based in the UK or eligible to work in the UK (remote within UK hours) Please apply for immediate consideration, this More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, product owners, designers, technical leads, and other architects to re-architect and design the next-generation Gas and Power trading platform using modern technologies, aligned with business and technology strategies. Deep knowledge of energy trading and risk management processes across front, middle … and back-office functions, with an emphasis on physical trading. Responsibilities: Design the architecture of modern, bespoke energy trading systems, documenting and agreeing on key design decisions and trade-offs with stakeholders. Gather requirements, analyze, and design across functional, non-functional, technical, and operational domains. Serve as a thought leader and key advisor for delivery and design … and dependency graphs. Experience across architecture facets: Data: Data modeling for transactional and analytic use cases, real-time reporting, data migration, reconciliation, and familiarity with MongoDB. Technical: Architecture and design patterns, AWS services, programming (C#/Java), microservices (Docker, OpenShift, Kubernetes), web UI (React), Infrastructure as Code (Terraform). Integration: Real-time messaging (AMQ), API design (JSON More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, product owners, designers, technical leads, and other architects to re-architect and design the next-generation Gas and Power trading platform using modern technologies, aligned with business and technology strategies. Deep knowledge of energy trading and risk management processes across front, middle … and back-office functionalities, with an emphasis on physical trading. Responsibilities include: Designing architecture of modern, bespoke energy trading systems, documenting and agreeing on key design decisions and trade-offs with stakeholders. Gathering requirements, analysis, and design across functional, non-functional, technical, and operational areas. Serving as a thought leader and advisor for delivery and design reviews. … in architecture facets such as: Data: Data modeling for transactional and analytic use cases, real-time reporting, data migration, and reconciliation. Familiarity with MongoDB. Technical: Experience in architecture and design patterns, AWS services, programming (C#/Java), microservices (Docker, OpenShift, Kubernetes), web UI (React), Infrastructure as Code (Terraform). Integration: Real-time messaging, API design (JSON, Swagger More ❯

possibility of extension Working hours: 40 hrs/week Role Overview: Work directly with subject matter experts, product owners, designers, technical leads, and other architects to re-architect and design the next-generation Gas and Power trading platform using modern technologies, aligned with business and technology strategies. Deep knowledge of energy trading and risk management processes across front, middle … and back-office functionalities, with an emphasis on physical trading. Responsibilities include: Designing the architecture of modern, bespoke energy trading systems, documenting and aligning on key design decisions and trade-offs with stakeholders. Gathering requirements, analysis, and design across functional, non-functional, technical, and operational domains. Serving as a thought leader and key advisor in design reviews … modeling and dependency graphs. Expertise in architecture facets: Data: Deep knowledge of data modeling, real-time reporting, data migration, and reconciliation. Familiarity with MongoDB. Technical: Experience with architecture and design patterns, AWS services, coding (C#/Java), microservices (Docker, OpenShift, Kubernetes), web UI (React), and Infrastructure as Code (Terraform). Integration: Experience with real-time messaging (AMQ), API More ❯

/SCI) Clearance with a Polygraph. The CIT Program is seeking a highly motivated, self-directed full-stack Software Developer in Chantilly, VA. The successful candidate will support the design and development of a web-based application for creating and managing tasking requests and approval workflows. The application will streamline tasking to provide better information to users, provide a … all taskings, resolve duplication in requests, integrate with other tools, and provide metrics and reporting capabilities. The program is specifically seeking candidates with OpenTable format/PySpark experience, backend API technology such as Python (FastAPI), Java, SpringBoot, and RESTful design patterns best practices. Experience with JavaScript + UI framework (Angular, React, Vue, etc), Docker, AWS, and Terraform. Additionally … in Computer Science, Information Systems, Engineering, or additional years of specialized experience in a scientific or technical discipline. • Proven experience with OpenTable formats and PySpark. • Demonstrated experience with backend API technology such as Python, Java, and SpringBoot, and experience using RESTful API design patterns, standards, and best practices. • Experience in client-side technologies (JavaScript, UI Framework, Angular More ❯

/SCI) Clearance with a Polygraph. The CIT Program is seeking a highly motivated, self-directed full-stack Software Developer in Chantilly, VA. The successful candidate will support the design and development of a web-based application for creating and managing tasking requests and approval workflows. The application will streamline tasking to provide better information to users, provide a … all taskings, resolve duplication in requests, integrate with other tools, and provide metrics and reporting capabilities. The program is specifically seeking candidates with OpenTable format/PySpark experience, backend API technology such as Python (FastAPI), Java, SpringBoot, and RESTful design patterns best practices. Experience with JavaScript + UI framework (Angular, React, Vue, etc), Docker, AWS, and Terraform. Additionally … degree in Computer Science, Information Systems, Engineering, or additional years ofspecialized experience in a scientific or technical discipline. • Proven experience with OpenTable formats and PySpark. • Demonstrated experience with backend API technology such as Python, Java, and SpringBoot, andexperience using RESTful API design patterns, standards, and best practices. • Experience in client-side technologies (JavaScript, UI Framework, Angular, React More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Numerate degree Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯

possibility of extension Working hours: 40 hrs/week Role Overview Work directly with subject matter experts, Product owners. designers, technical leads and other architects to re-architect/design needs of next generation Gas and Power trading platform with modern technologies, consistent with business and technology strategies. Deep knowledge of energy trading and risk management processes across front … middle and back-office functionalities with an emphasis on physical trading. 1) Expert in designing the architecture of modern, bespoke Energy trading systems, including documenting and agreeing key design decisions and trade-offs across diverse stakeholders. 2) Perform requirement gathering, analysis and design across functional, non-functional technical, and operational domains. 3) Thought leader in respective domain, will … be the key advisor to delivery and design reviews. 4) Handling business changes and managing stakeholder expectations 5) Manage communication across multiple teams, vendors, and consulting staff 6) Knowledge of deal lifecycle Qualifications Key Skills 1) Strong functional understanding of physical trading preferably Gas and/or Power, ideally including complex contract optionality and portfolio and schedule optimization, Knowledge More ❯