26 to 50 of 153 Permanent API Design Jobs

sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/… Experience and expertise with the following technical stack Angular 13+ with DevExtreme UI library desirable Playwright, ReadyAPI and Specflow. Jira, Github, Confluenc Nice to have - C# and .NET6+ Rest API's and Microservice architecture SQL Server Database, NHibernate or Entity Framework Demonstrate expertise of: Building modern-web applications Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to finalise the design through to a solution Restful API Design and development fundamentals Good SQL knowledge Test case preparation and execution EDUCATION & EXPERIENCE REQUIREMENTS 8-10 years' experience designing and developing applications both individually and as part of a team Familiarity with energy or financial trading environment Strong inter-personal More ❯

expanding our platform and product. You will accomplish this by developing new features, investing/reproducing/resolving bugs, and creating helpful documentation. Partner with the Infrastructure, Product and Design teams to deliver on an iterative model where application features and server improvements are released every other week. What you will do: Identify technical requirements in product meetings and … requirements into functional, maintainable, extensible software that is in-line with company objectives Own your merchant-facing services/features from development through deployment and production monitoring Participate in design/code reviews. Partner with the Infrastructure Team to design data models to support large-scale highly available services Work with QA to develop test plans/strategies … Openshift/AWS/Google Cloud Strong knowledge of relational databases and non-relational databases likewise Cassandra/YubaByte/DB2/Oracle/SQL Experience with microservices and API design Superior problem-solving skills and debugging capabilities Knowledge of relational and multidimensional data design and development techniques including star schema, snowflake schema, cube design, ETL More ❯

and contribute to a collaborative and innovative team. We're looking for someone who is eager to push the boundaries and is committed to delivering exceptional user experiences. Responsibilities: Design, develop, and maintain full-stack applications using modern web technologies. Implement responsive and user-friendly front-end interfaces using JavaScript frameworks such as React, Angular, or Vue.js. Build and … React, Angular, or Vue.js. Strong experience with back-end technologies, including Node.js, Python, Java, or .NET. Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB). Understanding of RESTful API design, GraphQL, and microservices architecture. Experience working with cloud platforms (AWS, Azure, or GCP). Strong knowledge of Git, version control workflows, and Agile methodologies. Passion for writing More ❯

up-within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

for someone who thrives in a fast-paced, dynamic environment, takes ownership of their work, and is passionate about building high-quality software using modern engineering practices. Key Responsibilities Design, develop, and maintain high-quality integration microservices in Go, adhering to business and technical requirements. Translate complex business workflows into scalable technical implementations using a microservices-first approach. Develop … and Experience Commercial experience developing backend services using Go (Golang). Experience with Java or other object-oriented programming languages is also valuable. Strong understanding of microservices architecture, REST API design, and distributed systems principles. Experience with integration patterns, asynchronous processing, messaging queues (e.g., Kafka, RabbitMQ), and event-driven systems. Hands-on experience working with SQL databases, schema … design, and data transformation. Proficiency in containerization and orchestration tools such as Docker and Kubernetes. Familiarity with software development best practices including version control (Git), CI/CD pipelines, and Agile methodologies. Proven ability to quickly learn new technologies, understand business domains, and adapt to evolving priorities. Excellent problem-solving and debugging skills with a keen attention to detail. More ❯

to the maintenance of a clean, efficient codebase. Build across the stack: from low-code automations to polished React applications. Collaborate with business stakeholders to deeply understand problems and design solutions that improve efficiency. Explore and apply modern automation approaches, including LLM-powered agents. Contribute to the full software lifecycle: design, build, deploy, and support. Champion a mindset … of "improving how we build," both for team practices and developer experience. API Design and Development: Design and develop robust APIs with a strong emphasis on GraphQL. The right candidate: Adaptability in a Fast-Paced Environment: Thrives in dynamic settings and can quickly adapt to the evolving needs of the business. Comfortable with rapid changes and able … Experience with relational databases. Experience with Containers, Kubernetes, CI/CD, IaaC tooling, and Public Cloud platforms. Experience with graph databases and low & no-code tools. Familiarity with digital design tools such as Figma. Familiarity with schema first database development, especially with Prisma ORM. Experience with graph databases, such as Neo4j We believe in taking care of our staff More ❯

end systems and abstractions Implement performance improvements and engineering best practices Collaborate across multi-disciplinary teams to refine features and user journeys Participate in code reviews, architecture discussions, and design decisions Develop APIs and microservices to enable secure and high-performing functionality Play a key role in the ongoing journey to cloud-based infrastructure and deployment Writing modular, well … deep back-end development experience, ideally in large-scale environments Strong experience with Java and Spring Boot Familiarity with Node.js and React/AngularJS is beneficial Experience with microservices, API design, and event-driven architecture Strong knowledge of RESTful APIs, web services, and Git version control Solid experience with Docker or other containerisation tools Proven track record using More ❯

makes sense once processes are sound. Key responsibilities: Build across the stack: from low-code automations to polished React applications. Collaborate with business stakeholders to deeply understand problems and design solutions that improve efficiency. Explore and apply modern automation approaches, including LLM-powered agents. Contribute to the full software lifecycle: design, build, deploy, and support. Champion a mindset … of "improving how we build," both for team practices and developer experience. API Design and Development: Design and develop robust APIs with a strong emphasis on GraphQL. The right candidate: Adaptability in a Fast-Paced Environment: Thrives in dynamic settings and can quickly adapt to the evolving needs of the business. Comfortable with rapid changes and able … Experience with relational databases. Experience with Containers, Kubernetes, CI/CD, IaaC tooling, and Public Cloud platforms. Experience with graph databases and low & no-code tools. Familiarity with digital design tools such as Figma. Familiarity with schema first database development, especially with Prisma ORM. Experience with graph databases, such as Neo4j We believe in taking care of our staff More ❯

client, a leading global asset manager, is growing a product engineering team supporting credit and portfolio platforms. You’ll join a collaborative, inclusive group that values clear thinking, good design, and shipping well-tested software. Hybrid working is available. What you’ll do Design and ship user-friendly web apps and services with React/Next.js and Node.js. … Turn business needs into scalable features with Product and Engineering leads. Build clean, accessible UIs (Material Design/MUI or similar). Create wireframes, prototypes, and high-fidelity mock-ups when useful. Develop APIs (REST/GraphQL) and microservices; containerise with Docker. Work in AWS (CLI/local sandbox), automate tests (unit/integration/E2E), and own quality. … What you’ll bring 5+ years’ full-stack experience with React/Next.js, Node.js, and TypeScript. Strong HTML/CSS/JavaScript fundamentals; CSS Modules/SASS; component libraries. API design with REST/GraphQL; microservice architecture. Databases: PostgreSQL plus NoSQL/graph exposure. CI/CD and Git; solid testing mindset (Vitest/Jest, Cypress, Testcontainers). More ❯

Solution Architect - TOGAF, Network and Security Design Exp at N Consulting Ltd About the Role We are seeking a highly skilled Solution Architect with strong expertise in solution design, system integration, and technical leadership. The role involves defining end-to-end architectures, leading complex projects, and ensuring alignment with business and technical requirements. The ideal candidate will have … strong stakeholder management skills, deep knowledge of industry standards, and a solid understanding of security and cloud technologies. Key Responsibilities Lead solution architecture and high-level design for complex, large-scale projects. Design and integrate APIs and system components ensuring scalability, reliability, and security. Provide technical leadership across cross-functional teams to drive system integration initiatives. Collaborate with … analysis for new and existing solutions. Ensure adherence to formal architecture frameworks and standards (e.g., TMF, TOGAF). Evaluate and recommend cloud-based solutions and emerging technologies. Apply security design principles to ensure compliance and risk mitigation. Support project delivery teams by providing architecture guidance throughout the solution lifecycle. Key Skills & Experience Proven experience in Solution Architecture and System More ❯

a Top Secret (TS/SCI) Clearance with a Polygraph. 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 ❯

development experience with a strong Java and integration background. Minimum 10 plus years extensive experience in MuleSoft Runtime Fabric (RTF), AWS, GIT, and Jenkins Experience in Core Java, Web API (SOAP, REST), and various data formats (XML, JSON, etc. Role: Tech Lead MuleSoft Employment Type: Contract Work location: Clinton, Nj Work mode: Hybrid - 2 Days Work from Office Clinton … critical applications. This position requires excellent technical and analytical skills. What You'll Be Doing: Spearhead the development and deployment of robust integration solutions. You will architect and manage API-driven solutions on MuleSoft RTF, leverage AWS for scalable cloud infrastructure, and ensure seamless version control and automation using GIT and Jenkins. Demonstrates excellent communication skills and a deep … CD pipelines, and integration architecture is essential. Leadership skills and the ability to collaborate across teams are key to driving innovation and delivering high-quality solutions. Strong understanding of API design and development. Knowledge of integration design patterns and security protocols (e.g., OAuth2 Experience with microservices architecture and DevOps practices. Minimum 10 plus years extensive experience in More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯

p.m. with time zone flexibility Base Salary: $95,000 - $115,000 per year Responsibilities: Collaborate with cross-functional teams to gather and refine requirements, ensuring alignment with business needs. Design, develop, test, deploy, and maintain scalable, high-performance software applications. Develop and enhance internal tools and applications to improve company operations. Ensure system reliability, optimize application performance, and implement … a proven track record of delivering high-quality software. Back-End Skills: Proficiency in Java and experience with back-end frameworks like Spring Boot . Strong understanding of database design, RDBMS concepts, and experience with SQL . Knowledge of RESTful API design and integration. Development Lifecycle: Proven ability to contribute across the entire software development lifecycle, including … planning, design, coding, testing, deployment, and maintenance. Tools & Practices: Familiarity with version control systems, like Git, and CI/CD pipelines. Experience with agile development methodologies. Additional Skills: Strong problem-solving and debugging capabilities. Ability to create reusable code libraries and write clean, maintainable code. Strong communication and collaboration skills to work effectively within a team and across departments. More ❯

you to join us. Tech stack used by this team : Java 17 , Spring (Spring Boot, Spring Web Stack, Spring Data or Spring JDBC) , RESTful webservices , Apache Camel , AWS, Terraform, API, Oracle, Postgres, NoSQL DB, PL/SQL, JMeter, Jenkins, Sonar, Maven, Git, Docker/Containerization , Open Search, Kafka, Lambda . What we can offer you: An opportunity to work … with distributed development team continuously delivering solutions that will enhance our SaaS platform capability. An opportunity to partner with our business team and be part of the design discussions/decisions as well as implementing the designs. An opportunity to contribute to sprint planning & backlog refinement sessions, daily stand-ups and retrospectives with our technology teams (Dev, Automated QA … An opportunity to work with our DevOps and Architecture teams to move to a continuous deployment model. The skills you will bring: You have 5+ years experience with application design and development in enterprise applications with the following: Java, Sprin g (Spring Boot) , AWS , REACT You are familiar with RESTful as an API design and common Batch More ❯

processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and batch data from … a startup or SaaS environment). Proficient in .Net, Core 8, Razor Pages and Bootstrap 5 for UI. Experience with databases such as MongoDB and SQL Server, including schema design, indexing, and performance tuning. Familiarity with cloud platforms like Azure (we use Azure). Experience with containerization tools (Docker, Docker Compose) and deployment pipelines. Strong understanding of API design, versioning, and security (OAuth, JWT, API tokens). Comfortable working with Git, agile methodologies, and CI/CD practices. A good understanding of data protection, GDPR, and fintech security requirements. Nice to Have Exposure to event-driven architecture or message queues (e.g. Kafka). Experience integrating payment platforms like Stripe, PayPal, Plaid, or Open Banking. Exposure More ❯

processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and batch data from … a startup or SaaS environment). Proficient in .Net, Core 8, Razor Pages and Bootstrap 5 for UI. Experience with databases such as MongoDB and SQL Server, including schema design, indexing, and performance tuning. Familiarity with cloud platforms like Azure (we use Azure). Experience with containerization tools (Docker, Docker Compose) and deployment pipelines. Strong understanding of API design, versioning, and security (OAuth, JWT, API tokens). Comfortable working with Git, agile methodologies, and CI/CD practices. A good understanding of data protection, GDPR, and fintech security requirements. Nice to Have Exposure to event-driven architecture or message queues (e.g. Kafka). Experience integrating payment platforms like Stripe, PayPal, Plaid, or Open Banking. Exposure More ❯

their goals. For more information about ECCO Select, visit us at . Position Title: Full Stack Engineer Location Information: Leawood, KS (hybrid) or Alexandria, VA (mostly remote) Position Responsibilities: - Design, develop, and maintain full-stack web applications using frameworks such as React, Vue, Angular, Node.js, Python, or Java. - Implement secure, scalable RESTful APIs and microservices. - Develop responsive user interfaces … degree in Computer Science, Technology, Engineering, or relevant field. - 3-6 years of professional software engineering experience, including React, Node.js, Vue, Python, or Java. - Strong understanding of RESTful services, API design, and architectural patterns. - Experience deploying applications to cloud platforms (e.g., AWS, GCP, Azure). - Proficiency in SQL and NoSQL databases (e.g., PostgreSQL, MongoDB). - Familiarity with Docker More ❯