76 to 100 of 498 API Development Jobs

Responsibilities: Design, develop, and maintain high-quality Java applications and microservices. Collaborate with cross-functional teams including product, UX, and QA to deliver innovative solutions. Participate in full software development lifecycle: analysis, design, development, testing, deployment, and support. Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance … programming and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and integration. Familiarity with version control systems, preferably Git . Understanding of Agile/Scrum methodologies. Desirable Skills: Experience with cloud platforms (AWS, Azure, or GCP). … to £80,000. Hybrid working with 3 days in the London office. Opportunity to work on innovative projects in the travel industry. Collaborative and supportive team environment. Learning and development opportunities to grow your career. More ❯

Responsibilities: Design, develop, and maintain high-quality Java applications and microservices. Collaborate with cross-functional teams including product, UX, and QA to deliver innovative solutions. Participate in full software development lifecycle: analysis, design, development, testing, deployment, and support. Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance … programming and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and integration. Familiarity with version control systems, preferably Git . Understanding of Agile/Scrum methodologies. Desirable Skills: Experience with cloud platforms (AWS, Azure, or GCP). … to £80,000. Hybrid working with 3 days in the London office. Opportunity to work on innovative projects in the travel industry. Collaborative and supportive team environment. Learning and development opportunities to grow your career. More ❯

processing, and system design. The ideal candidate will be responsible for building scalable, high-performance applications and integrating complex systems. This role requires deep hands-on expertise in Python development, modern frameworks, and experience leading or mentoring other developers in enterprise environments.Key ResponsibilitiesDesign, develop, and maintain robust, efficient, and scalable Python-based applications and services.Collaborate with architects, data engineers … teams to design and implement system integrations and APIs.Write clean, reusable, and testable code following best practices and coding standards.Develop and optimize back-end logic, data processing pipelines, and API layers.Implement secure, high-performance solutions for data-driven applications.Participate in system design discussions, architecture reviews, and performance optimization efforts.Mentor junior developers and contribute to code reviews and technical documentation.Troubleshoot … technologies and propose improvements to enhance system performance and maintainability.Required Skills & QualificationsBachelors or Masters degree in Computer Science, Engineering, or a related field.1015 years of professional experience in software development with a strong focus on Python.Expertise in Python frameworks such as Django, Flask, or FastAPI.Strong understanding of object-oriented programming (OOP) and design patterns.Proficiency in RESTful API development More ❯

world-class cloud solutions used by clients around the globe. As part of their continued growth, theyre looking for a Fullstack TypeScript Developer to join their cross-functional, agile development team. The Role As a Fullstack Developer, youll play a key role in designing and building intuitive, data-rich, and user-friendly applications. Youll work across the full stack … with a particular focus on Node.js backend development , while also creating high-quality front-end interfaces in React . Core Responsibilities for this Developer role: Develop, maintain, and enhance cloud-based applications and services . Focus on Node.js backend development and RESTful API design. Collaborate with designers, product owners, and fellow developers in an agile environment . … Build and optimise front-end features using React. Apply Test-Driven Development (TDD) principles to deliver reliable, maintainable code. Use Git for version control and Azure DevOps for tracking progress and estimations. Core Skills & Experience 5+ years experience developing commercial software and web applications . Strong proficiency in TypeScript for building data-heavy applications. Skilled in Node.js backend and More ❯

processing, and system design. The ideal candidate will be responsible for building scalable, high-performance applications and integrating complex systems. This role requires deep hands-on expertise in Python development, modern frameworks, and experience leading or mentoring other developers in enterprise environments. Key Responsibilities Design, develop, and maintain robust, efficient, and scalable Python-based applications and services.Collaborate with architects … teams to design and implement system integrations and APIs.Write clean, reusable, and testable code following best practices and coding standards.Develop and optimize back-end logic, data processing pipelines, and API layers.Implement secure, high-performance solutions for data-driven applications.Participate in system design discussions, architecture reviews, and performance optimization efforts.Mentor junior developers and contribute to code reviews and technical documentation.Troubleshoot … propose improvements to enhance system performance and maintainability. Required Skills & Qualifications Bachelors or Masters degree in Computer Science, Engineering, or a related field.1015 years of professional experience in software development with a strong focus on Python.Expertise in Python frameworks such as Django, Flask, or FastAPI.Strong understanding of object-oriented programming (OOP) and design patterns.Proficiency in RESTful API development More ❯

Developer IV.VP Information Technology Location: New Orleans, LA Summary As a member of an agile Development Team, the Developer IV develops application solutions for Tulane University with a primary focus on student information and learning management systems and system interfaces.Responsibilities include developing and implementing large-scale database applications using standard-based methodologies and tools; researching, designing, developing, configuring, integrating … databases, reports, web applications, mobile applications, interfaces, and 3rd party integrations. The position also gathers business requirements, writes code, writes documentation, performs testing and maintenance while adhering to agile development principles; and provides support and mentoring to other members of the Development Team. Required Qualifications High School Diploma/Equivalent and six (6) years' software applications development experience to include all of the following areas:developing with a relational database such as SQL Server, Oracle or MYSQ, rapid web-based development, using HTML5, JavaScript and CSS3., server-side coding in Microsoft .NET based web technologies (e.g. C#, ASP.NET MVC, CORE, Entity Framework, Web API, Razor), AND at least five years' experience in web API More ❯

Senior PHP Software Engineer Annual Salary: Competitive Location: Swindon (hybrid) Job Type: Full-time Our client is looking for a PHP Software Engineer to join our in-house development team. This role offers the chance to take ownership of key technical components within our modern software ecosystem, which is crucial for our core business operations and client solutions. Day … to-day of the role: Lead the design and development of new features and modules within our Laravel-based applications. Refactor and optimise existing codebases for performance, scalability, and maintainability. Implement and maintain RESTful APIs and integrations with internal and third-party systems. Write clean, well-documented, and testable code following modern PHP standards. Contribute to architectural planning, sprint … with DevOps and front-end teams to deliver seamless end-to-end solutions. Provide technical guidance and mentoring to other developers. Required Skills & Qualifications: 7+ years of professional PHP development experience, including Laravel. Strong understanding of object-oriented programming, design patterns, and application architecture. Proficiency with MySQL and SQL Server. Hands-on experience with Docker and containerised development More ❯

software ecosystem. You’ll design, develop, and maintain scalable, secure applications while mentoring junior developers and collaborating closely with teams across the business. Key Responsibilities: Lead the design and development of new features and modules within Laravel-based applications. Refactor and optimise existing codebases to enhance performance, scalability, and reliability. Develop and maintain RESTful APIs and integrations with internal … front-end teams to deliver seamless end-to-end solutions. Provide technical leadership and mentoring to other developers. Requirements About You Essential Skills & Experience: 7+ years of professional PHP development experience, including strong knowledge of Laravel. Strong understanding of object-oriented programming, design patterns, and application architecture. Proficiency with MySQL and SQL Server. Hands-on experience with Docker and … containerised development environments. Proven experience in API development and third-party integrations. Strong understanding of testing practices and CI/CD workflows using Git. Excellent problem-solving, debugging, and communication skills. Desirable Skills: Experience deploying applications to AWS or other cloud platforms. Familiarity with microservices or event-driven architectures. Exposure to front-end frameworks such as React More ❯

Senior Software Engineer - Building APIs - RESTful API - AI Services - C# .Net - SQL - Azure We are seeking an experienced Senior API Developer with solid experience in designing and implementing API Infrastructure. This is an opportunity to work on cutting-edge AI infrastructure, make a significant impact on how to leverages AI technology at scale. The role suits a … technically strong Senior Software API Developer who enjoys building new solutions, solving complex integration challenges. Working with autonomy and technical ownership, you'll architect scalable, secure APIs that handle sensitive data while enabling rapid deployment of AI capabilities across the business. As a senior member of the team, you'll set architectural direction, establish API standards, and mentor … other engineers while building production-grade integrations that power real customer value. Key Responsibilities API Architecture & Design Design and implement RESTful APIs that expose the product capabilities to AI services and third-party integrations Architect scalable, secure API infrastructure serving multiple products and consumers Establish API design standards, patterns, and best practices across the engineering organization Design More ❯

Senior Software Engineer - Building APIs - RESTful API - AI Services - C# .Net - SQL - Azure We are seeking an experienced Senior API Developer with solid experience in designing and implementing API Infrastructure. This is an opportunity to work on cutting-edge AI infrastructure, make a significant impact on how to leverages AI technology at scale. The role suits a … technically strong Senior Software API Developer who enjoys building new solutions, solving complex integration challenges. Working with autonomy and technical ownership, you'll architect scalable, secure APIs that handle sensitive data while enabling rapid deployment of AI capabilities across the business. As a senior member of the team, you'll set architectural direction, establish API standards, and mentor … other engineers while building production-grade integrations that power real customer value. Key Responsibilities API Architecture & Design Design and implement RESTful APIs that expose the product capabilities to AI services and third-party integrations Architect scalable, secure API infrastructure serving multiple products and consumers Establish API design standards, patterns, and best practices across the engineering organization Design More ❯

Greater Manchester My client is hiring for a .NET Developer to work on new and evolving products used by major UK brands. You will be involved in the full development lifecycle, from system design and implementation to deployment and optimisation. This is a hands-on technical role focused on scalable API development, cloud integration, and continuous delivery. … Building and maintaining services using ASP.NET Core, C#, MVC, and Razor Designing and integrating RESTful APIs for both internal and third-party systems Writing tested, maintainable code using modern development practices Working across SQL Server for data design and access Collaborating within Agile teams using sprints or Kanban Deploying to cloud platforms (primarily Azure ) using CI/CD pipelines … Requirements 5+ years of .NET development experience , with full-stack exposure Practical experience with ASP.NET Core, C#, Web API, HTML/CSS/JavaScript Strong understanding of software design principles (SOLID, design patterns) Experience with Git , version control workflows, and CI tools Exposure to cloud technologies , ideally Azure (App Services, DevOps, etc.) Bonus if you’ve worked with More ❯

Work With: Our client is a leading global technology and engineering solutions company, delivering next-generation digital transformation initiatives. You will work as part of a high-performing Agile development team focused on building a credit decisioning engine powered by scalable microservices and cloud-native solutions. About the Role: As a Java Fullstack Engineer , you will play a pivotal … and frontend features focused on performance and reliability. Work closely with architects and product owners to define and implement technical solutions aligned with business goals. Required Skills & Experience: Backend Development: 8–15 years of experience with Java, Spring Boot , 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 communication skills and a commitment to continuous learning in a collaborative Agile environment. Good to Have: Experience with GCP Data 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 ❯

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 ❯

Title: Sr. Java full stack developer with Drools/Rules Engine and API Development (Node.JS, Java, Drools) Location: Nashville, TN (Hybrid 3 days a week) Duration: 6 months C2H Position type: W2 contract Mandatory skills: Node.js, Java, Javafull stack, Drools, Rules enginer, React, SQL, Oracle, Aurora, AWS, Docker, GraphDB, Serverless Architecture. Role Overview: We are looking for a … highly skilled and motivated Senior Full Stack Engineer specializing in Rule Engine and API development. In this pivotal role, you will be responsible for designing, developing, and maintaining robust, secure, and scalable applications that deliver exceptional user experiences. Key Responsibilities: Develop efficient, maintainable, and high-quality code within established timelines. Lead and mentor a cross-functional team of analysts … coding standards and architectural best practices. Collaborate closely with product owners, UX designers, and system architects to ensure developed solutions meet business requirements. Drive innovation and continuous improvement across development methodologies and processes. Maintain expertise in the latest technologies, tools, and frameworks relevant to our tech stack. Communicate technical challenges, feasibility, and timelines clearly to stakeholders. Required Skills and More ❯