76 to 89 of 89 API Development Jobs in the South East

professionals who thrive in high-impact, evolutionary environments. Their innovative systems optimize energy efficiency and sustainability across sectors like laundry, manufacturing, and HVAC You will lead end-to-end development of scalable web applications using ReactJS, React Native, .NET, and Azure, including API design and IoT integrations. You will drive DevOps best practices with CI/CD, monitoring … APIs, ensuring clean contracts for internal systems, third-party services, and IoT devices. SKILLS: Fullstack expertise: .NET/C# and ReactJS. Cloud platforms (Azure preferred). REST/GraphQL API development. SQL/NoSQL or ADX databases. CI/CD and automated testing. Secure coding, OAuth2, Entra ID/B2C, RBAC. You'll join the company that focus on More ❯

Hybrid Type: Full-time | Permanent Level: Junior to Mid UK based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be responsible for designing, developing, and maintaining high-performance, scalable, and reliable Java-based applications. You'll collaborate with cross-functional teams … to deliver robust software solutions that meet business requirements. Key Responsibilities: Design, implement, and maintain Java applications across the full software development lifecycle. Write well-designed, efficient, and testable code. Analyze user requirements to inform application design. Participate in code reviews, debugging, and performance tuning. Collaborate with UI/UX designers, product managers, and other developers. Integrate applications with … databases, APIs, and third-party services. Follow best practices in coding, testing, and deployment. Maintain documentation for software functionality, development processes, and code changes. Stay updated with the latest industry trends, technologies, and best practices. Requirements: Essential requirements: Strong experience developing with Java. Proficiency with frameworks such as Spring Boot, Spring Cloud, Hibernate. Experience in microservices architecture and RESTful More ❯

for someone eager to learn, be proactive, energetic, and understand the importance of making an impact. The Lead Full Stack Engineer will be responsible for both frontend and backend development, ensuring seamless integration and high performance of web applications. Responsibilities Lead technical initiatives and projects, ensuring high-quality delivery. Design and implement complex software applications, emphasizing robust and scalable … performance of web applications. Strong knowledge of software engineering principles and design patterns. Understanding of backend technologies, including Node.js, Express, or similar frameworks. 5+ years preferred. Experience with RESTful API design and development. Familiarity with database management systems such as PostgreSQL, MySQL, etc. Working with Manatal This role is based at our Bangkok office in the heart of the … will be collaborating with talented individuals in the industry Join a lively and highly international team Indulge in a challenging and innovative working culture Attractive medical healthcare plan Personal development allowance 2 weeks of work from anywhere per year Regular fun team-building activities Company trip Our Tech Stack Our engineering team leverages a variety of modern technologies. While More ❯

for someone eager to learn, be proactive, energetic, and understand the importance of making an impact. The Lead Full Stack Engineer will be responsible for both frontend and backend development, ensuring seamless integration and high performance of web applications. Responsibilities Lead technical initiatives and projects, ensuring high-quality delivery. Design and implement complex software applications, emphasizing robust and scalable … performance of web applications. Strong knowledge of software engineering principles and design patterns. Understanding of backend technologies, including Node.js, Express, or similar frameworks. 5+ years preferred. Experience with RESTful API design and development. Familiarity with database management systems such as PostgreSQL, MySQL, etc. Working with Manatal This role is based at our Bangkok office in the heart of the … will be collaborating with talented individuals in the industry Join a lively and highly international team Indulge in a challenging and innovative working culture Attractive medical healthcare plan Personal development allowance 2 weeks of work from anywhere per year Regular fun team-building activities Company trip Our Tech Stack Our engineering team leverages a variety of modern technologies. While More ❯

for someone eager to learn, be proactive, energetic, and understand the importance of making an impact. The Lead Full Stack Engineer will be responsible for both frontend and backend development, ensuring seamless integration and high performance of web applications. Responsibilities Lead technical initiatives and projects, ensuring high-quality delivery. Design and implement complex software applications, emphasizing robust and scalable … performance of web applications. Strong knowledge of software engineering principles and design patterns. Understanding of backend technologies, including Node.js, Express, or similar frameworks. 5+ years preferred. Experience with RESTful API design and development. Familiarity with database management systems such as PostgreSQL, MySQL, etc. Working with Manatal This role is based at our Bangkok office in the heart of the … will be collaborating with talented individuals in the industry Join a lively and highly international team Indulge in a challenging and innovative working culture Attractive medical healthcare plan Personal development allowance 2 weeks of work from anywhere per year Regular fun team-building activities Company trip Our Tech Stack Our engineering team leverages a variety of modern technologies. While More ❯

Security Check clearance ("SC Clearance"). This Full Stack Software Engineer position is fully remote, with occasional visits to Basingstoke as needed. Qualifications & Skills required: 5+ years of Python development Strong understanding of database systems (e.g. PostgreSQL) 5+ years of front-end development and deployment RESTful API design and development Demonstrable clean, maintainable code practices What More ❯

a Front End Software Engineer to join our team! We're particularly looking for someone with strong front end engineering and Typescript experience and with some experience of backend development (ideally in Golang ). In this role, you'll be a key contributor to the development and operation of our cutting-edge cloud-based platform. You should have … London (Hammersmith). We're excited to have you contribute to our mission! Responsibilities: As a Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating … Machine Learning systems with an eye to scalability, and asynchronous interactions. Interface with Golang-based cloud backend systems, focusing on API interactions and integration. Work proficiently across the entire stack to develop and integrate new features related to model versioning, dataset management, verification workflows, and result/metric aggregations. Requirements: The technical requirements for the role are: Must have More ❯

a Front End Software Engineer to join our team! We're particularly looking for someone with strong front end engineering and Typescript experience and with some experience of backend development (ideally in Golang ). In this role, you'll be a key contributor to the development and operation of our cutting-edge cloud-based platform. You should have … London (Hammersmith). We're excited to have you contribute to our mission! Responsibilities: As a Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating … Machine Learning systems with an eye to scalability, and asynchronous interactions. Interface with Golang-based cloud backend systems, focusing on API interactions and integration. Work proficiently across the entire stack to develop and integrate new features related to model versioning, dataset management, verification workflows, and result/metric aggregations. Requirements: The technical requirements for the role are: Must have More ❯

a Front End Software Engineer to join our team! We're particularly looking for someone with strong front end engineering and Typescript experience and with some experience of backend development (ideally in Golang ). In this role, you'll be a key contributor to the development and operation of our cutting-edge cloud-based platform. You should have … London (Hammersmith). We're excited to have you contribute to our mission! Responsibilities: As a Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating … Machine Learning systems with an eye to scalability, and asynchronous interactions. Interface with Golang-based cloud backend systems, focusing on API interactions and integration. Work proficiently across the entire stack to develop and integrate new features related to model versioning, dataset management, verification workflows, and result/metric aggregations. Requirements: The technical requirements for the role are: Must have More ❯

Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯

SaaS platform operating in a regulated industry. Work primarily with Python to build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. Collaborate with cross-functional teams including product, DevOps, and data engineering to deliver end-to-end functionality that meets regulatory and business requirements. Leverage modern cloud services (AWS … standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their development skills over time. Strong foundations in object-oriented programming. Location: London Hybrid work policy: 4/1 Please More ❯

SaaS platform operating in a regulated industry. Work primarily with Python to build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. Collaborate with cross-functional teams including product, DevOps, and data engineering to deliver end-to-end functionality that meets regulatory and business requirements. Leverage modern cloud services (AWS … standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their development skills over time. Strong foundations in object-oriented programming. Location: London Hybrid work policy: 4/1 Please More ❯

SaaS platform operating in a regulated industry. Work primarily with Python to build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. Collaborate with cross-functional teams including product, DevOps, and data engineering to deliver end-to-end functionality that meets regulatory and business requirements. Leverage modern cloud services (AWS … standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their development skills over time. Strong foundations in object-oriented programming. Location: London Hybrid work policy: 4/1 Please More ❯

from day one of employment- Enhanced paid sick leave and paid family leave provisions- Eye care and winter flu jabs vouchers- Cycle to work scheme- Investing in your professional development with ongoing quality training and career development opportunitiesThis is a brilliant opportunity for a talented software engineer who’s confident working with Node.js, TypeScript, and PostgreSQL to join … our services to ensure they are world-class and contribute to supporting the hundreds of thousands of people we serve.In this critical role, you’ll develop and maintain REST API over serverless functions using TypeScript; you’ll also design and implement scalable PostgreSQL schemas and data models.The integrations you’ll be involved with will connect us to external services … date for this role is Sunday 9th November 2025.Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.Our commitment to Equality, Diversity & Inclusion:We are happy to consider any reasonable adjustments that candidates may need during the recruitment process and you will be asked whether you More ❯