126 to 150 of 883 Permanent API Design Jobs

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 agreeing 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. … options modeling and dependency graphs. Proficiency across architecture facets: Data: Knowledge of data modeling, real-time reporting, data migration, and reconciliation; familiarity with MongoDB. Technical: Experience with architecture and design patterns, AWS, C#/Java, Docker, Kubernetes, React, Terraform. Integration: Experience with real-time messaging, API design, batch techniques. Infrastructure and Operational: Knowledge of DevOps, CI/ 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 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: Design the architecture of modern, bespoke Energy trading systems, including 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. Act as a thought leader in the domain, advising on delivery … and design reviews. Handle business changes and manage stakeholder expectations. Manage communication across multiple teams, vendors, and consulting staff. Understand deal lifecycle processes. Qualifications and Skills: Strong understanding of physical trading, preferably Gas and/or Power, including complex contracts, optionality, and portfolio optimization. Knowledge of Options modeling and Dependency graphs. Experience in architecture facets such as: Data modeling 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 needs of 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 and documenting key design decisions and trade-offs. Gathering requirements, analysis, and design across functional, non-functional, technical, and operational domains. Serving as a thought leader and key advisor for delivery and design reviews. … portfolio optimization. Knowledge of options modeling and dependency graphs. Experience across architecture facets including: Data: Data modeling, real-time reporting, data migration, reconciliation, familiarity with MongoDB. Technical: Architecture and design patterns, AWS, coding (C#/Java), microservices (Docker, Kubernetes), web UI (React), Infrastructure as Code (Terraform). Integration: Real-time messaging, API design, batch techniques. Infrastructure and More ❯

considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design 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 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: Designing architecture of modern, bespoke energy trading systems, including documenting and agreeing on key design decisions and trade-offs with stakeholders. Gathering requirements, analysis, and design across functional, non-functional, technical, and operational domains. Acting as a thought leader and key advisor in delivery and design … complex contract optionality, portfolio, and schedule optimization, and options modeling. Experience with data modeling, real-time reporting, data migration, and reconciliation, including familiarity with MongoDB. Expertise in architecture and design patterns, AWS services, code development (C#/Java), containerization (Docker, OpenShift, Kubernetes), web UI (React), and Infrastructure as Code (Terraform). Experience with integration techniques, real-time messaging, API 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: Design the architecture of modern, bespoke energy trading systems, including 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. Act as a thought leader and key advisor in design … and dependency graphs. Experience with data modeling for transactional and analytic use cases, real-time reporting, data migration, and reconciliation. Familiarity with MongoDB. Hands-on experience with architecture and design patterns, including documentation of design trade-offs for commodity trading systems. Familiarity with AWS services, C#/Java, Docker, OpenShift, Kubernetes, React, and Infrastructure as Code (Terraform). 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 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 across stakeholders. Performing requirement gathering, analysis, and design across functional, non-functional, technical, and operational domains. Acting as a thought leader and key advisor in design reviews. … dependency graphs. Expertise in architecture facets such as: Data modeling for transactional and analytic use cases, real-time reporting, data migration, and reconciliation. Familiarity with MongoDB. Technical architecture and design patterns, including documentation and trade-offs, with experience in C#/Java, AWS, Docker, OpenShift, Kubernetes, React, Terraform. Integration techniques including real-time messaging (AMQ), API design More ❯

on our projects with our public sector clients, helping to deliver Solirius’ services to the highest standard. The role will involve working with multiple business stakeholders, helping them to design business solutions which will then be implemented by the delivery teams. As a Solution Architect, you will be expected to operate with a high degree of autonomy, using your … cross-functional working environments. Your role will require innovative thinking, applying best practices and emerging technologies to solve complex business problems in creative and pragmatic ways. Requirements Key Responsibilities: Design end-to-end solution architectures that meet business, technical, and security requirements. Translate business and technical requirements into scalable, secure, and cost-effective designs. Ensure alignment with enterprise architecture … technology strategy, and governance standards. Lead architecture reviews and technical design workshops with stakeholders and delivery teams. Support Agile delivery teams, defining MVP architecture and providing ongoing technical direction. Collaborate with stakeholders across business, product, and IT to gain buy-in and drive decisions. Define integration patterns, APIs, and data flows between systems and services. Contribute to DevOps, automation More ❯

environment: .NET 8, C#, Angular, TypeScript, HTML/CSS Azure (cloud-native apps, pipelines, ARM, Functions, DevOps CI/CD) SQL, Entity Framework, RESTful APIs Agile, DevOps, secure-by-design practices What you'll bring: A strong background in .NET engineering, ideally with 5+ years in commercial delivery Experience working across front and back end with Angular, C# and … Azure Proven Senior developer: mentoring and setting coding standards Solid grasp of API design, cloud architecture, and CI/CD pipeline tooling Ability to steer best practice, lead from the front, and improve quality across the stack If intereted please apply now or contact job poster for more information More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

chances of a successful application to this job by ensuring your CV and skills are a good match. As a Software Engineer you play an important role in the design and development of our modern private cloud MySQL offerings. You will bring your past experience to a talented group to further evolve the technical capabilities of our organization, drive … s technically feasible and what is desired by the end user. Implement solutions with an equal focus on both functional and non-functional requirements Understand/apply reusable code design, leverage application architecture/framework capabilities and functionality, and design/develop solutions that are highly reliable, scalable, and perform to meet business-defined service levels. Conduct code … reviews and ensure quality solutions are built and tested. Employ Agile practices; Pair Programming; Continuous Integration; Test Driven Development, etc. Contribute to the technical code and design documentation. Conduct solid analysis and problem solving to provide production support and L3 cover Required qualifications, capabilities, and skills Very strong experience in Python Strong knowledge of security and authentication (e.g. OIDC More ❯

to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description As a Software Engineer you play an important role in the design and development of our modern private cloud MySQL offerings. You will bring your past experience to a talented group to further evolve the technical capabilities of our organization, drive … s technically feasible and what is desired by the end user. Implement solutions with an equal focus on both functional and non-functional requirements Understand/apply reusable code design, leverage application architecture/framework capabilities and functionality, and design/develop solutions that are highly reliable, scalable, and perform to meet business-defined service levels. Conduct code … reviews and ensure quality solutions are built and tested. Employ Agile practices; Pair Programming; Continuous Integration; Test Driven Development, etc. Contribute to the technical code and design documentation. Conduct solid analysis and problem solving to provide production support and L3 cover Required qualifications, capabilities, and skills Very strong experience in Python Strong knowledge of security and authentication (e.g. OIDC More ❯

to develop their skills on real-world projects alongside experienced engineers, designers, and product managers. Whether it’s developing new user-facing features, improving system performance, or contributing to API design, you’ll have the chance to make meaningful contributions from day one while learning best practices in software engineering. What You’ll Be Doing: Designing, developing, testing … Writing clean, maintainable code across both front-end and back-end systems Participating in code reviews, stand-ups, and sprint planning Collaborating with cross-functional teams including product and design Learning and applying best practices in version control, testing, and CI/CD Debugging and resolving issues, and contributing to continuous improvement Staying up to date with emerging tools More ❯

The role We are looking for a talented software .NET developer with extensive experience in .NET/C# to join our team. In this role, you’ll design, develop, and maintain our Definely products—from rich WPF-based desktop applications to resilient backend services. This is an opportunity to lead by example, mentor junior team members, and drive the … technical excellence that defines our suite of products. Key Responsibilities Application Development Architect, design, and implement rich desktop applications using WPF. Leverage modern UI design principles and patterns (such as MVVM) to ensure clean, maintainable, and scalable code. Build and maintain robust backend services, APIs, and libraries using .NET/C#. Technical Leadership & Collaboration Participate in design … stack. About you 5+ years of professional software development with a focus on .NET/C#. Proven track record in building WPF desktop applications with a keen eye for design and usability. Solid experience designing and implementing backend services. Proficiency with both .NET Framework and .NET Core. Strong understanding of object-oriented design, design patterns, and SOLID More ❯

and improve performance, maintainability, and integration. If you enjoy working with both established and emerging technologies in a collaborative environment, we’d love to hear from you. Key Responsibilities Design, develop, and maintain scalable web applications using .NET and Vue.js. Support and enhance legacy systems built with older .NET and Vue.js versions. Collaborate with cross-functional teams to gather … Core or .NET Framework. At least 3 years of experience building modern front-end applications with Vue.js (including both Vue 2 and Vue 3). Strong understanding of RESTful API design and integration. Proficient in object-oriented programming and applying SOLID principles in real-world projects. Comfortable working in Agile or Scrum-based development environments. Hands-on experience … and Kubernetes. Experience with business process automation tools such as Camunda. Proficient in automated testing using frameworks like NUnit or Playwright. Understanding of architectural patterns such as Domain-Driven Design (DDD), event-driven systems, and microservices. Knowledge of Behavior-Driven Development (BDD) and Test-Driven Development (TDD) methodologies. What’s on Offer 4 Wellbeing days annually. Access to learning More ❯

external partners. Reporting to James David (Head of Cloud and Site Reliability Engineering); you’ll take ownership of development projects — setting priorities, managing dependencies, and seeing work through from design to deployment. You’ll be; Driving forward development standards and prioritizing best coding practices including promotion of “Software Craftmanship” at OQC Gather requirements, propose solutions, build and test prototypes … through to production. Design approaches that weigh trade-offs between performance, maintainability, and scalability. Ensure your work is robust, documented, and ready for others to use and build upon. Operate within Agile frameworks like Scrum, actively collaborating, reviewing, and delivering. Stay current with industry trends in security, QA, and tooling, and share recommendations. Mentor teammates through pair programming, knowledge … We value engineering expertise and adaptability just as much as specific language skills. You’ll be confident writing modern, maintainable code with a solid grasp of data structures and design patterns. You’ll also have experience developing and testing software using contemporary practices like TDD, BDD, and contract testing, and running it in production using containers (e.g. Docker, Kubernetes More ❯

candidate thrives in a modern development environment, brings a deep understanding of Java-based systems, and is comfortable working across the full software lifecycle. They will contribute to the design, development, and delivery of robust software solutions and will work on complex systems that leverage microservices architectures, RESTful APIs, and cloud-native technologies. Responsibilities: Design, develop, and maintain … level candidates: 14+ years of relevant experience Proficient in Java and modern Java libraries/frameworks (e.g., Spring, Guava) Strong experience with RESTful web services, microservices architecture, and enterprise API design Solid understanding of Object-Oriented Programming (OOP) principles Experience developing in Linux-based environments Familiarity with configuration and build tools such as Git, Maven, and Nexus Working More ❯

candidate thrives in a modern development environment, brings a deep understanding of Java-based systems, and is comfortable working across the full software lifecycle. They will contribute to the design, development, and delivery of robust software solutions and will work on complex systems that leverage microservices architectures, RESTful APIs, and cloud-native technologies. Responsibilities: Design, develop, and maintain … level candidates: 14+ years of relevant experience Proficient in Java and modern Java libraries/frameworks (e.g., Spring, Guava) Strong experience with RESTful web services, microservices architecture, and enterprise API design Solid understanding of Object-Oriented Programming (OOP) principles Experience developing in Linux-based environments Familiarity with configuration and build tools such as Git, Maven, and Nexus Working More ❯

to not only better yourself, but others around you. You aim to be the best that you can be and always do the right thing. What You’ll Do Design and build our SaaS Protection & Backupify products. Work with product management to develop new features that improve the Managed Service Provider (MSP) experience Design and execute software solutions … want to follow and be inspired by. Play a pivotal role in the continuous delivery and upkeep of large, multi-region, distributed systems. Manage the entire product lifecycle from design to production, ensuring excellence in quality and reliability. Skills You’ll Need Strong Back-End developer with object-oriented design and problem-solving skills 4+ years of experience … delivering reliable and maintainable software Exposure to debugging low-level Linux issues, utilizing the command line, and shell scripting (bash) Strong fundamentals in data structures, design patterns, and algorithms Experience working with public clouds (e.g., AWS, Azure, GCP) Experience working with Docker and Kubernetes Understanding of authentication and authorization frameworks/standards (e.g., OAuth) Familiarity with hypervisors (e.g., VMWare More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯

practices (code quality, CI/CD, security etc). Working within a project management/agile delivery methodology. Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation. Documentation of solutions (e.g. architecture, configuration, release, support-handover). Collaborate and liaise with other Version 1 and customer stakeholders/… practices and modern architectural patterns, including microservices and message-driven architectures. NFR/Non-Functional requirement understanding and experience developing applications with this in mind. Application/Digital Services Design experience. Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principles. Hands-on developing/coding role using the following technologies: Frontend … JavaScript/TypeScript or Angular or React or Node). Backend (Java, SpringBoot, Hibernate, Kotlin). Experience in estimation and sizing. Integration experience. API Design experience. Cloud experience. Appetite to work with emerging AI technologies. SC Eligible. Additional Information Why Version 1? At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises More ❯

other internal and external systems that utilise a range of other technologies. Key responsibilities The key responsibilities of this role include but are not limited to the following tasks: Design and code clean, efficient and testable web-based applications and services. Take ownership of projects from project kick-off through to deployment and support. Troubleshoot and resolve technical problems … team. Be adaptable and flexible in your approach to work. Have knowledge and experience of: .NET Core C#, Typescript, JavaScript and SQL. React or similar frameworks. Understanding of RESTful API design principles. Git or other version control software. Microsoft Azure (desirable) Microsoft Dynamics 365 (desirable) Microsoft Power Platform (desirable) A legal right to work in the UK. Benefits More ❯

and how it helped you build a lasting product. Key Responsibilities Collaborate with cross-functional teams to develop key features and applications, including product managers, designers, and other engineers. Design, develop, and maintain both front-end and back-end components of web applications, ensuring a seamless user experience. Benchmark, analyze, and optimize web applications for scalability, security, and responsiveness. … England, United Kingdom 6 months ago London, England, United Kingdom £65,000.00 - £85,000.00 1 month ago Manchester Area, United Kingdom 4 days ago Lead Software Engineer (Scalability and API Design) - 95% Remote - £85k - ID41216 Lead Software Engineer - 95% Remote - £85k - ID41216 Lead Software Engineer - 95% Remote - £85k - ID41216 London, England, United Kingdom 1 month ago Lead Software More ❯

Oxa's SDLC. Conduct root cause analysis from Oxa's Shield Perception deployments and actively support the team in developing solutions that address them. Develop and contribute to the design of Safety Performance Indicators for in-use monitoring of the shield components. Work collaboratively alongside other shield perception, control, and safety engineers to address novel engineering problems that arise … Oxa's SDLC. Conduct root cause analysis from Oxa's Shield Perception deployments and actively support the team in developing solutions that address them. Develop and contribute to the design of Safety Performance Indicators for in-use monitoring of the shield components. Work collaboratively alongside other shield perception, control, and safety engineers to address novel engineering problems that arise … United Kingdom 1 week ago Reading, England, United Kingdom 6 days ago Banbury, England, United Kingdom 6 days ago Senior Embedded Software Engineer (ENG012) Lead Software Engineer (Scalability and API Design) - 95% Remote - £85k - ID41216 Reading, England, United Kingdom 1 week ago Reading, England, United Kingdom 1 week ago Newbury, England, United Kingdom 3 weeks ago Oxford, England More ❯