76 to 100 of 467 API Design Jobs

Position: Spring Boot Developer Location: NYC, NY Duration: 6+ Months The full stack role is heavy emphasis on REST api design/implementation in Spring & NoSQL capabilities. The Angular portion is in the nice-to-have so they understand who their API consumer is. SKILLS/QUALIFICATIONS Required skills: Java Web Development (Servlet/JSP), Spring Framework … least 3+ years of hands-on web application development utilizing Java for Web Development purposes Experience in the development of service oriented architecture application, good understanding of Object Oriented Design and Design Patterns Strong knowledge of Java Server Pages (JSP), DHTML and JavaScript are essential Experience with MVC patterned applications using JavaScript frameworks and working with front end … development teams, preferably in Angular Strong analytical and design skills, including the ability to understand business requirements and translate them into efficient and effective technical designs that work well within large-scale, well-structured enterprise environments Excellent troubleshooting skills, with the ability to quickly identify and document the root cause of issues, and effectively communicate possible resolutions Effective communication More ❯

ll join a high-performing cloud team supporting enterprise clients in designing and delivering secure, scalable integrations on AWS. You'll work across modern architectures, leveraging containerisation, event-driven design, and API-first principles to solve complex integration challenges. Key Responsibilities Architect and implement AWS integrations using EKS (Kubernetes) and Lambda . Design and manage secure REST …/GraphQL APIs via API Gateway , including authentication, throttling, and schema validation. Integrate with enterprise platforms such as SAP, Salesforce, Oracle ERP for both batch and real-time data flows. Build event-driven messaging architectures using SQS, SNS , and Step Functions . Apply best practices in Kubernetes and API security , including TLS, KMS, RBAC , and service-to-service … X-Ray , and container-level logging and alerting tools. What We're Looking For 5+ years of AWS integration experience, including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience 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, optimisation, 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 London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project's context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

and product owners to deliver reliable, production-grade systems. This is a 6-month contract role based in Leeds, UK , with a strong possibility of extension . Key Responsibilities: Design, develop, and deploy scalable backend microservices using Java 17 and Spring Boot . Configure and maintain DevOps pipelines on Google Cloud Platform (GCP) to support the credit decisioning engine. … and microservices architecture . Java 17: Hands-on experience is mandatory . DevOps & Cloud: Proven experience with GCP , AWS , or Azure , and familiarity with CI/CD pipelines . API Development: Expertise in RESTful API design and development. Frontend: Working knowledge of ReactJS or Angular . Testing: Strong background in automated testing , including JUnit . Mindset: Excellent More ❯

presents significant problem solving opportunities for developers who are keen to gain experience working in London’s fast growing fintech ecosystem. Revenir’s core product is a white label API, which enhances the capabilities of banking apps, automatically refunding VAT (Value Added Tax) to customers, typically within 48 hours. Banks are now collaborating with fintechs more than ever to … supporting role to our experienced technology team who have built and developed an innovative product which utilises a range of AWS services, including Lambda, SQS, Step Functions (Express & Standard), API Gateway, DynamoDB, Bedrock, and SageMaker. Responsibilities: Support API Development: Collaborate with the team to research and contribute to the design documentation of APIs, assisting in understanding requirements … to gain insight into project requirements and contribute where possible. Essentials : Educational Background: Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field. API Understanding: Awareness of RESTful API design principles and some exposure to server-side development concepts. Introduction to AI and ML: Some exposure to AI and machine learning More ❯

presents significant problem solving opportunities for developers who are keen to gain experience working in London’s fast growing fintech ecosystem. Revenir’s core product is a white label API, which enhances the capabilities of banking apps, automatically refunding VAT (Value Added Tax) to customers, typically within 48 hours. Banks are now collaborating with fintechs more than ever to … supporting role to our experienced technology team who have built and developed an innovative product which utilises a range of AWS services, including Lambda, SQS, Step Functions (Express & Standard), API Gateway, DynamoDB, Bedrock, and SageMaker. Responsibilities: Support API Development: Collaborate with the team to research and contribute to the design documentation of APIs, assisting in understanding requirements … to gain insight into project requirements and contribute where possible. Essentials : Educational Background: Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field. API Understanding: Awareness of RESTful API design principles and some exposure to server-side development concepts. Introduction to AI and ML: Some exposure to AI and machine learning More ❯

presents significant problem solving opportunities for developers who are keen to gain experience working in London’s fast growing fintech ecosystem. Revenir’s core product is a white label API, which enhances the capabilities of banking apps, automatically refunding VAT (Value Added Tax) to customers, typically within 48 hours. Banks are now collaborating with fintechs more than ever to … supporting role to our experienced technology team who have built and developed an innovative product which utilises a range of AWS services, including Lambda, SQS, Step Functions (Express & Standard), API Gateway, DynamoDB, Bedrock, and SageMaker. Responsibilities: Support API Development: Collaborate with the team to research and contribute to the design documentation of APIs, assisting in understanding requirements … to gain insight into project requirements and contribute where possible. Essentials : Educational Background: Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field. API Understanding: Awareness of RESTful API design principles and some exposure to server-side development concepts. Introduction to AI and ML: Some exposure to AI and machine learning More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯