51 to 75 of 103 Permanent API Development Jobs

part of a cross-functional team responsible for designing, building, and evolving high-quality digital products. You'll contribute across the full development lifecycle, with a strong focus on backend services, APIs, cloud infrastructure, and performance - while continuing to grow your technical depth in a supportive engineering culture. What … engineering standards, knowledge sharing, and continuous improvement What we're looking for Experience building web applications using a modern backend stack Strong fundamentals in API development and relational databases Hands-on experience with .NET Core, C#, TypeScript , and React Exposure to cloud platforms and Infrastructure as Code Familiarity ...

Python & AI/ML with deep expertise in backend engineering, LLM-based applications, RAG architectures, and AI agent frameworks. You will lead the design, development, and deployment of production-grade AI systems built on Python, modern LLM tooling, retrieval engines, embeddings, and vector databases. This is a hands … leadership role focused on building scalable and intelligent AI products. Investment Banking and financial domain is needed. Key Responsibilities Lead the architecture and development of LLM-driven applications, AI agents, and RAG-based systems. Provide technical guidance, conduct code reviews, and mentor junior team members. Drive best practices ...

experienced Full Stack .Net (C#) Developer, with solid experience in API development , keen to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input? Are you keen to work in a full stack … building smart APIs, delivering seamless user experiences, and solving real-world customer challenges. This is your chance to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input. CLICK APPLY and send a CV through. ...

considering remote applications. This role sits outside of IR35 and has rate of £200 per day. Your day-to-day duties would include: • Development and maintenance of our web applications, including the APIs powering our systems. • Collaborating with product owners to delivery technical tasks. • Working closely with … candidate would be proficient and have experience in/with the following: • PHP • Laravel (proven experience required ) • React/NextJS (proven experience required) • RESTful API Development • MySQL • Git Additional experiences which would be beneficial but not required: • CI/CD Pipelines and automations • Agile Environment (Linear) • Laravel Forge ...

considering remote applications. This role sits outside of IR35 and has rate of £200 per day. Your day-to-day duties would include: • Development and maintenance of our web applications, including the APIs powering our systems. • Collaborating with product owners to delivery technical tasks. • Working closely with … candidate would be proficient and have experience in/with the following: • PHP • Laravel (proven experience required ) • React/NextJS (proven experience required) • RESTful API Development • MySQL • Git Additional experiences which would be beneficial but not required: • CI/CD Pipelines and automations • Agile Environment (Linear) • Laravel Forge ...

education sector looking to hire a Lead Full Stack Developer. This role will involve taking ownership of key web projects, guiding the development team, and shaping the architecture of their AWS-based platform to support the organisation's digital growth. As the Lead Full Stack Developer … ensure high-quality delivery across the stack. Skills required for the Lead Full Stack Developer are: * Strong experience with Angular (latest version) for frontend development* Experience with Node.js and backend API development* Experience with AWS serverless architecture, including Lambda, Cognito, and other cloud services* Proven ability ...

Ansible engineering team is looking for a Senior Software Engineer with a focus on backend web and API development to join our team. In this role, you will work closely with a group of talented engineers helping to improve efficiency and drive results through your contributions. The ideal … bring Significant experience with Python, Django/Django Rest Framework and tools as pytest Experience with Linux Experience with utilizing container management platforms and development environments like Kubernetes, OpenShift, Docker/Docker Compose, and Podman Experience with SQL and relational databases such as PostgreSQL Experience with CI/ ...

both languages. Technologies PHP/Laravel JavaScript/Typescript (React/Express) SQL and MongoDB. Docker Git Linux/WSL Microservices Agile (Scrum) methodology, API development Salary is up to £30K for this role. Benefits include hybrid working (after probation period), flexible working, 20 days holiday +BH, pension ...

architecture, ensuring the platform is robust and scalable. Skills required for the Full Stack Developer are: * Strong experience with Angular (latest version) for frontend development* Proficiency in Node.js and backend API development* Experience with AWS serverless architecture, including Lambda, Cognito, and other cloud services* Ability to work ...

experienced Full Stack .Net (C#) Developer, with solid experience in API development , keen to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input? Are you keen to work in a full stack ...

architecture and technologies in AWS environments. Experience with web application services such as NGINX, Apache, JBoss. Experience of Test Driven or Behaviour Driven development. API development and integration (preferably using Go but not essential). Experience with monitoring systems e.g., ELK, Nagios, New Relic, DataDog, Splunk etc. Working ...

Consultant. We’re looking for someone who can bring enthusiasm and energy with them into the existing team. Duties and Responsibilities: To perform software development of delivered Infor M3 objects or the creation of new objects using Java programming language & associated tools and frameworks To analyse and interpret client … requirements To effectively interpret functional specifications and translate into technical software applications and/or design documentation Requirements: Java development or any other programming language experience Modern Web Technologies (Angular, TypeScript, JavaScript, CSS, HTML5, Node) SQL Use of REST APIs (JSON/XML) Experience across the board with ...

earning substantial bonuses. What's in it for you: Salary to £90k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a Backend Software Engineer within the trading engine team … team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City ...

Looking For: Essential Skills Strong proficiency in .NET (C#, ASP.NET) Experience working with SQL Server Familiarity with Azure services Solid understanding of REST/API development Experience with Angular Proficiency in TypeScript, JavaScript, HTML, CSS Good unde click apply for full job details ...

Storage, Pub/Sub, and orchestrating workflows with Composer or Vertex Pipelines. Domain Knowledge: Understanding of sports-specific data types ( event, tracking, scouting, video ) API Development: Experience building data-centric APIs using FastAPI , especially in serverless environments (e.g., Google App Engine) Streaming Data: Familiarity with real-time data ...

Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: £95,000 +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design … seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture ...

VueJS framework and its ecosystem is highly desirable Competent with Git for source control. Understanding of MySQL, HTML, CSS, JavaScript Agile Methodologies Any RESTful API development useful Excellent Communication skills If this could be your next career move within an expanding employee-centric company, please drop across your ...

skills: Minimum 4 years' commercial C# .NET experience. Strong SQL/MySQL skills (including complex queries). Experience with VueJS and/or Angular. API development and third-party integrations. AWS experience. Desirable skills: AI integration experience (e.g. OpenAI). Use of AI tools (e.g. Claude) in development ...

performing international team Ideal Background – B2B SaaS experience and startup mindset – 6+ years full-stack experience, can build end-to-end features – Proven REST API development with Python – Strong React + TypeScript skills – Bonus: Production level LLM integration experience – Work independently in a small, senior team, shaping architecture ...

with monitoring, logging and alerting solutions. • Ability to design, build and optimise cloud platform solutions. • Stakeholder management skills and confidence working across multiple teams. • API development experience. • Azure Data Factory knowledge is beneficial. What They Offer • Salary between £80,000 and £85,000 plus bonus. • Comprehensive benefits package ...

with monitoring, logging and alerting solutions. * Ability to design, build and optimise cloud platform solutions. * Stakeholder management skills and confidence working across multiple teams. * API development experience. * Azure Data Factory knowledge is beneficial. What They Offer * Salary between £80,000 and £85,000 plus bonus. * Comprehensive benefits package ...

with monitoring, logging and alerting solutions. * Ability to design, build and optimise cloud platform solutions. * Stakeholder management skills and confidence working across multiple teams. * API development experience. * Azure Data Factory knowledge is beneficial. What They Offer * Salary between £80,000 and £85,000 plus bonus. * Comprehensive benefits package ...

with monitoring, logging and alerting solutions. * Ability to design, build and optimise cloud platform solutions. * Stakeholder management skills and confidence working across multiple teams. * API development experience. * Azure Data Factory knowledge is beneficial. What They Offer * Salary between £80,000 and £85,000 plus bonus. * Comprehensive benefits package ...

global marketplace meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance … personalised mobile-first shopping experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance ...

global marketplace meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance … personalised mobile-first shopping experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance ...