26 to 50 of 86 API Development Jobs in the UK excluding London

develop new functionality and make non-functional improvements to our products and services. Understand business requirements and how they translate into technical design and development projects and tasks. Participate in architectural and design discussions and diagnose and troubleshoot complex technical issues Work with stakeholders to progress and report … projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing "Tools" (Function Calling) that allow LLMs to interact with ...

develop new functionality and make non-functional improvements to our products and services. Understand business requirements and how they translate into technical design and development projects and tasks. Participate in architectural and design discussions and diagnose and troubleshoot complex technical issues Work with stakeholders to progress and report … projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing "Tools" (Function Calling) that allow LLMs to interact with ...

refine existing applications to improve reliability and user experience - Collaborate with clinical, firmware and engineering teams to deliver user-centric solutions - Lead the development of new features and enhance existing functionality - Contribute to architectural decisions and help shape the broader technical strategy Requirements: - 5+ years of full-stack development … years working with React/Vue, Nuxt/Next, Node.js, TypeScript, PostgreSQL and Redis - 5+ years developing mobile applications using Ionic - Strong experience in API development, authentication and database design (DynamoDB and PostgreSQL) - Demonstrable technical excellence via public demos, project pages, open-source contributions, etc. - Strong problem-solving ...

office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design … collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure ...

networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login, MFA, and client authentication Proficient with IaC, CI/CD (CloudFormation ...

networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login, MFA, and client authentication Proficient with IaC, CI/CD (CloudFormation ...

their search for a Senior Full Stack Developer to join their team on a permanent basis. The successful candidate will have strong full-stack development experience, including system integrations, and will be capable of designing, developing, and implementing technical solutions that enhance business processes. Key Skills & Experience Proven experience … full-stack development (Front End and Back End) Strong proficiency in JavaScript, React, Node.js, HTML, CSS, and SQL Experience with API development and cloud-based systems , preferably AWS (Lambda, S3, Redshift) Python programming experience Excellent analytical and problem-solving skills Strong communication and collaboration abilities Degree ...

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. ...

basis. The successful candidate will work on an Electronic Trading Platform for the FIC business. This is an exciting opportunity to contribute to the development and integration of advanced trading technologies in a prestigious and fast-paced environment. Our client are in the process of a large multi year … Experience developing, maintaining, or supporting electronic foreign exchange (E-FX) trading platforms. Messaging Protocols: Familiarity with FIX protocol, MQ, JMS, or similar messaging solutions. API Development: Experience with RESTful and/or SOAP web services. Low Latency Programming: Understanding of techniques for minimizing latency in trading applications. Spring ...

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 ...

What You'll Work On You'll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency ...

focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product … London office (close to Waterloo) with flexibility to work from home twice a week. About you: You have strong backend Python coding skills, including API development You have full stack experience, including TypeScript and React (or another framework) You have a good understanding of system design and scalability ...

focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product … London office (close to Waterloo) with flexibility to work from home twice a week. About you: You have strong backend Python coding skills, including API development You have full stack experience, including TypeScript and React (or another framework) You have a good understanding of system design and scalability ...

infrastructure specialist your ideas wont just be heard, theyll shape the future. Tech-Forward Culture : Embrace AI-assisted coding and testing tools to accelerate development, testing and deployment. A Breadth of Exciting Projects : From AI-powered analytics and Bluetooth tracking to route optimization and custom API development … maintenance) Strong experience with RESTful APIs, JSON and app integrations Git version control (or similar) HTML & CSS PowerBI reporting What You Bring Full software development lifecycle experience, including testing and documentation Strong debugging skills and a commitment to clean, maintainable code Effective communicator, with both technical and non-technical ...

going to the office 1-2 days per week, therefore applicants must be within a commutable distance. Technical Requirements C#/.NET Blazor Azure API Development Entity Framework SQL TDD/BDD Desirables SaaS/multi-tenancy experience Azure DevOps and CI/CD pipelines Please apply ...

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 ...

researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities to own projects, lead development … Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure, Transformers, Reinforcement Learning, Vector Databases, Pinecone, Weaviate, Semantic Search, API Development, AI Deployment, Model Serving, AI Automation, Early Stage Startup, AI Startups, Tech Startup, Machine Intelligence, Applied AI, AI Applications, AI Innovation ...

flexible environment for an experienced technical leader. As Head of Engineering, you'll guide a talented, fast-moving team building a cloud-native, API-driven platform that's transforming global healthcare. This is a rare opportunity to remain hands-on in Java code (around 20%) while shaping engineering direction … platform. Collaborate with product leadership to design and implement solutions that align to business goals and customer needs. Drive engineering excellence through modern development practicesclean code, TDD, automation, and cloud-native deployment. Introduce and evaluate emerging technologies that strengthen the platform's reliability and innovation. Essential skills Proven experience ...

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 ...

Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship support. Research ...

will be a Front End Developer (Blazor) with a good eye for detail and an appreciation for UI/UX. Exposure to Back End development is beneficial but not essential for this role. The company are growing and this role offers scope to take on more responsibility with … development in the future. The role is hybrid working, going to the office 1-2 days per week, therefore applicants must be within a commutable distance. Essential Requirements: Commercial exposure with Blazor (1-2 years+) Proven experience collaborating with UX/UI Designers, Software Engineers, Testers and Product Managers ...

Experience: 8+ years Job Summary: We are seeking a highly skilled and experienced Senior Data Engineer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. … strong understanding of data engineering principles, big data technologies, cloud computing (specifically Azure), and experience working with large datasets. Key Responsibilities: Data Pipeline Development & Optimisation: Design, develop, and maintain robust and scalable data pipelines for ingesting, transforming, and loading data from various sources (e.g., APIs, databases, financial data providers ...

Multi-Tenant Architecture within a B2B environment. Technical Requirements C#/.NET/.Net Core 8 Angular Or Razor pages/Blazor AWS - essential API Development Entity Framework Additional & Beneficial Skills: Mentoring or leadership experience Experience working with off-shore teams Experience within Engineering/Automotive sectors Please ...

with a talented engineering team to deliver high-quality solutions in a fast-paced environment. Requirements: Strong experience with Ruby on Rails Familiarity with API development and microservices architecture Exposure to data-intensive applications If this sounds like a good fit, please apply, or feel free to reach ...

About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection … architecture, coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering ...