51 to 75 of 138 API Development Jobs in the UK

Skills Strong commercial experience with Java (11/17+). Extensive experience with Spring Boot and Spring Framework. Microservices architecture and distributed systems. REST API design and development. SQL and relational databases such as PostgreSQL or Oracle. Automated testing using JUnit and Mockito. Git version control. Agile/Scrum ...

mixture of technical and people‐management responsibilities, guiding and developing junior team members. You will be part of a cross‐functional software development team, delivering and deploying critical software across a variety of business areas. Security Requirements All candidates must hold SC clearance and be eligible and willing … with peers on technical direction within your team Required Skills and Experience Full‐stack experience across JavaScript frameworks (React, NextJS), TypeScript, Python, 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. PostgreSQL ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, 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. PostgreSQL … testing frameworks (e.g. Mocha, Jest, Cypress) 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. ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, 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. PostgreSQL … testing frameworks (e.g. Mocha, Jest, Cypress) 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. ...

Lead the design, development, and delivery of enterprise software solutions for Public Sector customers. This role combines deep technical expertise, integration experience, and customer-facing delivery in compliance-driven environments. Qualifications Experience: 8–12 years in software engineering, preferably in regulated environments. Strong expertise in Microsoft technology stack (ASP.NET … API, SQL Server) Solid understanding of client-side scripting (TypeScript, JavaScript, jQuery) Working knowledge of Python, Azure stack Experience with GitHub, CI/CD, DevOps Expertise in design patterns and REST API development Ability to deliver software and artifacts independently Experience in complex software troubleshooting techniques Integration ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, 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. PostgreSQL ...

with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

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 ...

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 ...

BENEFITS £50-60k salary depending on experience Hybrid working - 4 days per week on-site, 1 day remote Modern technology stack and greenfield development opportunities Opportunity to mentor and lead a growing engineering team High level of ownership and influence across architecture and delivery Collaborative and ambitious engineering … .NET MAUI mobile applications - contributing from concept through to deployment. ESSENTIAL SKILLS Strong commercial experience with C#/.NET Modern .NET 8/10 development experience Blazor/Razor Components ASP.NET Core REST API development Entity Framework Core AWS infrastructure experience MySQL CI/CD pipelines using ...

systems and own their reliability Tech Stack Skills: · Language: C# on .NET (primary, and what you’ll write every day) · Frameworks: ASP.NET Core (Web API), Azure Functions (isolated worker) · Database: SQL Server, accessed via Entity Framework Core and/or Dapper (you’ll write queries, design schemas, and optimise … foundation . The Azure-specific skills can be learned on the job. Requirements: You Must Have · 7+ years professional software development experience, primarily in C#/.NET, including time leading, mentoring, or coaching other engineers · People leadership: you’ve coached, mentored, or line-managed developers, and you get satisfaction ...

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 ...

models Performing security control audits and coordinating with other teams within the organization to implement the outcomes of security controls Skills: Cloud Security and Development (AWS a prerequisite) Understanding and experience with CICD and secure CICD best practices (CircleCI) Vulnerability Mgmt tooling (code scanning, IaC) Security expertise in cryptography … exploit development Strong investigative and analytical problem solving skills. Experience with secure architecture design. Strong communication skills, both written and spoken. Penetration testing experience. Proficient in software development, auditing code and features. Experience with SQL and API development best practices is a plus. Qualifications: Bachelor ...

over the next coming weeks. We're looking for backend engineers who enjoy building scalable services, solving complex technical challenges and working with modern development practices. What we're looking for: Strong commercial experience with Go (Golang) (essential) Backend engineering and microservices RESTful API development and integration … Experience building cloud-native or distributed systems Comfortable contributing across the stack where required Experience using AI-assisted development tools (Copilot, Cursor, ChatGPT, Claude etc.) Nice to have: React experience Kubernetes, Docker or cloud platform experience (AWS, Azure or GCP) Consultancy or client-facing project experience Experience delivering large ...

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 ...

client sites, and your home; noting that you will be unable to work at home 100% of the time. Your Role: Perform hands‐on development using the latest versions of .NET, C#, and frontend technologies including React and TypeScript. Build full‐stack solutions, integrating React/TypeScript user interfaces … with .NET backend APIs. Apply strong expertise in Object‐Oriented Programming (OOP), design patterns, SOLID principles, and architectural patterns. Contribute to the development of high‐volume, high‐availability enterprise-scale applications. Work within Agile delivery methodologies, ideally with experience in SCRUM. Design, optimize, and maintain database systems, with strong ...

What you will do Reporting to the Lead Engineer (Integration), this role supports the design, development, and maintenance of custom integrations that connect A&O Shearman’s key legal systems, and which support the ingestion, time recording, and document storage of legal Matters. The role is accountable … continuous improvement of QA processes and tools. Support the Enterprise Architecture & Technology Platforms leadership team to collectively define, implement and operate the firm’s development of software solutions and tooling. Work with stakeholders from Enterprise Architecture, Data Governance and Information Security to ensure solutions are performant, compliant and secure. ...

What you will do Reporting to the Lead Engineer (Integration), this role supports the design, development, and maintenance of custom integrations that connect A&O Shearman’s key legal systems, and which support the ingestion, time recording, and document storage of legal Matters. The role is accountable … continuous improvement of QA processes and tools. Support the Enterprise Architecture & Technology Platforms leadership team to collectively define, implement and operate the firm’s development of software solutions and tooling. Work with stakeholders from Enterprise Architecture, Data Governance and Information Security to ensure solutions are performant, compliant and secure. ...

What you will do Reporting to the Lead Engineer (Integration), this role supports the design, development, and maintenance of custom integrations that connect A&O Shearman’s key legal systems, and which support the ingestion, time recording, and document storage of legal Matters. The role is accountable … continuous improvement of QA processes and tools. Support the Enterprise Architecture & Technology Platforms leadership team to collectively define, implement and operate the firm’s development of software solutions and tooling. Work with stakeholders from Enterprise Architecture, Data Governance and Information Security to ensure solutions are performant, compliant and secure. ...

banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth … business. Build Scalable Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data ...

banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth … business. Build Scalable Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data ...

life sciences and pharmaceutical organisations modernise and scale their statistical modelling capabilities. This role combines statistical expertise with modern data engineering practices, enabling the development of robust, reproducible, and production-ready analytical solutions. You'll work closely with biostatisticians, data scientists, and technical stakeholders to improve modelling approaches … complex statistical concepts into practical business and technical solutions Skills & Experience Essential Strong statistical background, ideally within Biostatistics Advanced R programming skills, including package development Experience with Git and collaborative development workflows Knowledge of CI/CD pipelines, automated testing, and software engineering best practices Strong understanding ...

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 ...