26 to 50 of 58 API Development Jobs in the UK excluding London

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

Python Developer to join their data governance function, sitting within a technology risk and controls team. We are looking for candidates with strong Python development experience, alongside hands-on Collibra metadata management expertise. Experience in data modelling, governance, APIs, SQL and financial services would be particularly relevant. You will … attributes, domains and workflows. Develop high-quality Python solutions for data modelling and governance use cases, using Pydantic for schema definition, validation, serialisation and API-ready data structures. Build reusable Python libraries and automation patterns supporting data ingestion, governance workflows, data quality, lineage and reporting at enterprise scale. Design ...

Tier 1 Financial Services Company Development Lead (Kotlin/Java) Location: Sheffield (2 days per week in the office) Contract Type: Contract Working Pattern: Full Time About the Project The Developer Platforms, Standards and Controls team is building a platform that enables control owners and development teams … manage and view their compliance with a range of software development standards and controls. You will work across Kotlin and Java-based in-house web applications and APIs. We are hiring across 2-3 applications and proof-of-concepts, with allocation depending on experience and fit. The solutions include ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

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 ...

seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … integrate secure APIs and Back End services. Participate in solution design and technical discussions. Support testing, deployment and operational activities. Follow secure software development and DevOps practices. Essential Skills & Experience (Must Have) Java Spring Boot Kafka MongoDB API development and integration Basic understanding of Docker images ...

from early in the assignment. The environment is Microsoft and Azure-led, with a backend platform built around C#/.NET, Azure Functions, Azure API Management, Azure SQL, Service Bus and Azure DevOps. What you'll be doing You'll be responsible for building, enhancing and supporting backend services … shaping the technical approach through to build, test, deployment and operational support. Key skills we're looking for Strong C#/.NET backend development experience Azure Functions experience Azure API Management Azure Service Bus Azure SQL, including stored procedures, schema changes and performance awareness Azure DevOps, CI/ ...

architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

They're looking for an experienced Software Engineer who enjoys ownership and solving complex engineering challenges. You'll likely have experience with: Python REST API development Distributed systems or microservices SQL databases Cloud platforms (ideally Azure) CI/CD pipelines Test-driven development and automated testing Building … more. What's in it for you? Equity options Hybrid working 25 days holiday (as well as bank holidays) Private pension Dedicated learning & development budget Modern engineering culture with genuine technical ownership Cycle to Work & Green Car schemes Subsidised gym membership Employee rewards platform Annual volunteering day Life assurance ...

building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

production efficiency, and customer experience. Software Engineer – CNC & Connected Manufacturing Solutions We are seeking an experienced and motivated Software Engineer to join a specialist development team delivering innovative digital solutions for the CNC machining and manufacturing sector. Working closely with machine tool experts, customers, and fellow developers, you will … that enables connected manufacturing, machine monitoring, data integration, and operational optimisation. This is a hands-on role where you will contribute throughout the software development lifecycle, from concept and design through to deployment and customer support. Experience within a CNC machining, machine tool, precision engineering, or manufacturing environment ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...

Inside IR35) Contract: Initial 6 Months- Likely extensions We're working with a leading organisation that is investing heavily in the development and enhancement of its digital platforms. As part of this growth, we're looking for an experienced .NET Developer to join a collaborative engineering team and contribute … delivery of modern, scalable applications used across the business. This is an excellent opportunity for a developer who enjoys working across the full software development lifecycle, from designing and building new features through to maintaining and improving existing applications. You'll work closely with developers, architects, product teams ...

engineering deliverables, ensuring quality, scalability and adherence to best practices Design and develop distributed, event driven, cloud native systems across the full software development lifecycle Build and maintain REST and GraphQL APIs to a high standard Drive continuous improvement by exploring new technologies, tools and methodologies Mentor and support … developing and maintaining distributed, event driven, cloud native systems Expertise in modern .NET technologies (.NET Framework and .NET Core) using C# Strong experience in API design and development across REST and GraphQL Solid understanding of relational database design and optimisation with MSSQL or MySQL Hands on experience deploying ...

technology stack with ongoing investment, The opportunity to influence technical direction and architecture, A collaborative and supportive engineering culture and Excellent opportunities for career development and progression! Modern Tech. Real Ownership. Genuine Career Progression. Our client is investing heavily in the future of its software platform and is looking … RESTful APIs Improving application performance, scalability and security Troubleshooting issues and delivering high-quality software solutions Collaborating with fellow developers throughout the full software development lifecycle Technical Skills Experience with some or all of the following: JavaScript TypeScript Node.js React Express (or a similar backend framework) REST API ...

engaging directly with business stakeholders to gather and validate requirements. Strong understanding of enterprise data architecture and data modelling principles. Advanced SQL. Strong Python development experience. ETL/ELT development. Experience with Snowflake or an equivalent cloud data platform. Experience using Azure Data Factory, Precog or similar integration technologies. … API development and systems integration. Git and DevOps practices. Ability to communicate effectively with both technical and non-technical stakeholders. Desirable Skills & Experience SAP and/or SAP Ariba. Procurement, Supply Chain or Asset Management data domains. Power BI. Data Governance and Master Data Management. Experience working within ...

technical audiences Support adoption and continual improvement of automation best practices Essential Skills & Experience Strong knowledge of JavaScript (particularly for rules engine API development) Understanding of SQL for database queries Experience working with JSON data structures Rudimentary knowledge of Java , particularly for data type definitions within ODM tools ...

suited to an experienced Lead Developer, Technical Lead or Engineering Manager who enjoys developing people, solving complex technical problems and contributing directly to the development of modern software products. You will lead a team of Software Engineers, provide technical direction and work closely with Product, Architecture and other stakeholders … high-quality solutions. What you'll be doing Lead, coach and support a team of Software Engineers through regular one-to-ones, feedback and development planning. Remain hands-on, contributing to software design, coding, testing and technical problem-solving. Provide technical leadership across applications built using Java and modern ...

Overview: We are seeking an experienced Full Stack Developer with strong expertise in Camunda 8, Java, Spring Boot, and React to support the development of lending origination workflows for a leading financial services client. You will be responsible for building scalable workflow solutions, integrating backend services, developing user-facing … applications, and contributing to a modern CI/CD-driven development environment within an Agile team. Location: London (Hybrid - 2 to 3 days onsite per week) Daily Rate: £542 per day (via Umbrella) Contract Length: 06/2027 Start Date: ASAP Key Responsibilities: · Develop lending origination workflows using Camunda ...

suited to an experienced Lead Developer, Technical Lead or Engineering Manager who enjoys developing people, solving complex technical problems and contributing directly to the development of modern software products. You will lead a team of Software Engineers, provide technical direction and work closely with Product, Architecture and other stakeholders … high-quality solutions. What you'll be doing Lead, coach and support a team of Software Engineers through regular one-to-ones, feedback and development planning. Remain hands-on, contributing to software design, coding, testing and technical problem-solving. Provide technical leadership across applications built using Java and modern ...