26 to 50 of 81 API Development Jobs in the UK excluding London

to agile ceremonies, code reviews, and DevOps pipelines. Ensure applications meet performance, security, and compliance standards. Support deployment and maintenance of services in secure environments. Key Skills & Experience Frontend & API Development: Node.js, React, Next.js TypeScript Express.js Docker Azure Web Apps Backend Development: Azure Function Apps (Node.js, TypeScript) Elasticsearch Kubernetes (AKS) Infrastructure & DevOps: Microsoft Azure: Cosmos DB, API … . What's on Offer £70,000 - £85,000 base salary Performance-based bonus Flexible working options Secure project environments Inclusive culture with access to DEI networks and continuous development This is a unique opportunity to contribute to national security through cutting-edge software engineering. If you're passionate about solving real-world problems in secure environments and want More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at or drop me a call for a confidential chat at . Senior Software Engineer | £55,000 - £65,000 | Cambridge | Python More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

that integrate with AI-driven applications. Database Architecture & Scaling: Architect schemas and manage diverse data systems (SQL, NoSQL, Vector DBs, and others) for optimal performance and scalability. Backend Systems Development: Drive the implementation of backend services, focusing on performance, maintainability, and reliability. Performance & Reliability: Diagnose and optimize system bottlenecks, ensuring high availability and low-latency performance across large-scale … scale systems in production. Expertise in Databases: Strong experience with SQL, NoSQL, and emerging database technologies (e.g., Vector DBs); proven track record in schema design, indexing, and query optimization. API Development: Proven ability to design and scale RESTful or GraphQL APIs with a focus on reliability and performance. Python Expertise: Strong experience with Python for backend services (e.g. … with Latest AI Tools: Exposure to AI technologies such as Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), or agentic frameworks, as well as experience leveraging AI to improve development performance. Scientific or Data-Intensive Domains: Experience working with life sciences, material sciences, or other research-heavy fields. Leadership & Mentorship: Experience guiding peers in backend best practices, performance optimization More ❯

/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What You Bring 5+ years of backend development experience Expertise in C#, .NET (preferably .NET 6+), and SQL Server Deep understanding of SOLID and OOP … principles Skilled in Git, Unit Testing (NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication and problem-solving skills Desire to grow within a dynamic and evolving team Why Join? This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be … part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters. Ready to build something that helps others-and builds your career in the process? Apply today. 48954MSR1 INDMANS More ❯

excellent technical competencies with a desire to improve and mentor junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. Role Responsibilities: Be … OR Node.js (.Net 8+) in a professional environment. Worked within an Agile Cross-functional delivery team. Developing well tested software into low latency event driven production environments. Full software development lifecycle in a technical role. Pub/Sub patterns with Messaging technologies (such as RabbitMQ/SOLACE/AMQP) API Development using REST and GraphQL practices. Worked More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

join our team and contribute to this exciting journey. Role Overview As a Software Engineer, you will be pivotal in supporting and modernizing our existing systems and driving the development of our new platform(s). As a successful candidate and working in a team, you will be given the freedom to lean as explore new technologies that best … Familiarization : Quickly get up to speed with the current system to provide immediate support and understand its architecture. Modernisation : Assist with the modernisation of existing systems to new platforms. API Development : Collaborate with stake holders to design and develop robust APIs critical for the system transition. AI : Help find opportunities to implement systems that bring efficiencies using AI … Portal Development : Contribute to the design and development of portals to enhance client and partnership experiences. Skills and Experience Required Proficient in .Net, C# and ReactJS , with hands-on experience (3-5 Years) in building robust applications. Strong knowledge of SQL Server , including database design and query optimization. Experience in developing and consuming APIs . Beneficial to have More ❯

for developing and mentoring our junior talent within our various project teams and continue to ensure all software meets our quality benchmarks. What you will be doing: Design and development of features and platform enhancements in adherence to Edenred development standards and best practice Ensure good maintenance through documentation, knowledge sharing, and reducing complexity Ensuring that agreed development … engineers and take the technical lead on projects What we want from you: Solid commercial experience with Java 11, and above SQL Spring boot, Hibernate Micro-service and RESTful API development TDD and BDD OO analysis and design DevOps culture and practices Beneficial Experience AWS Services Junit XML/JSON System architecture and Design Patterns Unix & shell scripting More ❯

About the job A technology led organisation in Chester are growing their development team. They are seeking passionate Java Developers to join their team to help create secure, scalable and customer first solutions. Paying up to £80k package per annum you will be based out of their Chester offices 2 days a week. They are looking ideally for Backend … to join their collaborative working environment. If you want to make a real impact - this could be the perfect team for you! Key skills: Strong Java programming with RESTful API development Spring Boot framework experience Cloud based technologies, GCP preferred (Azure or AWS welcome) Build and deploy containerized applications with Docker and Kubernetes CI/CD tools (GitHub More ❯

teams on new features. Influence architecture and technical strategy. Ensure reliability and performance in production. Lead code reviews, improve processes and mentor juniors. Skills & experience 5+ years’ full stack development experience. Strong React and modern JavaScript/TypeScript. Backend API development (Python preferred, Node considered). Cloud deployment (AWS or similar) and database knowledge (MySQL). Strong More ❯

and technical excellence. What they offer: Work with an advanced core platform built on MS .NET C# and hosted in the public cloud using MS Azure. Engage with modern API development using Node.js with TypeScript and create dynamic web experiences with Angular. Gain experience with Infrastructure as Code via Terraform, streamline development using CI/CD with More ❯

Responsibilities Develop and maintain full stack solutions using Oracle DB Support legacy system migration and ERP integration efforts Build and consume APIs to enhance application functionality Collaborate with offshore development teams to ensure smooth delivery and coordination Contribute to front-end development using modern technologies (e.g., HTML5, CSS3, JavaScript frameworks) Participate in code reviews, testing, and deployment processes … Skills & Experience Required Proven experience in back-end development with Oracle PL/SQL Exposure to ColdFusion or willingness to learn quickly Experience of front-end technologies and frameworks Experience with API development and integration (RESTful services) Familiarity with legacy systems and migration projects Ability to coordinate and communicate effectively with offshore teams The following benefits … employer pension contribution 25 Days annual leave, plus public holidays Life assurance 4x annual salary Flexi-time. Paid volunteering leave Excellent continuous professional development - they cover 100% of new, approved qualifications up to a value of 2800 USD per year, and then cover 75% of qualifications up to a value of 5000 USD per year Flexible benefits allowance at More ❯

and performance across multi-tenant systems. Troubleshoot production issues in AWS cloud infrastructure. Participate in code reviews and mentor junior developers. What You'll Need 5+ years' back-end development experience, with a strong focus on Laravel. Expert-level PHP and Laravel knowledge. Proven experience with complex MySQL database design and optimisation. Shopify API and app ecosystem experience. … Familiarity with payment gateway integrations (Stripe, Recharge, etc.). AWS experience (SQS, S3, Lambda, EC2). Solid understanding of multi-tenant SaaS architecture. Experience with API development, webhooks, and third-party integrations. Knowledge of Laravel Livewire, modern PHP practices, and Git workflows. Desirable Experience Experience with subscription billing platforms, marketing automation tools, and e-commerce analytics. Familiarity with … time features. Contributions to open-source Laravel or Shopify projects. Tech Stack Backend: Laravel, PHP, MySQL Frontend: Livewire, Alpine.js, Tailwind CSS Cloud: AWS (SQS, S3, Lambda, EC2) Integrations: Shopify API, Stripe, Recharge, Klaviyo, Gorgias Tools: Laravel Horizon, Telescope, Sanctum, Cashier Queue: Redis/SQS for background jobs Benefits Monday to Friday, 9am - 5pm 25 days holiday plus bank holidays More ❯

points. Required skills & experience: Experience with Node.js. Strong knowledge of JavaScript and TypeScript. Microservices, Event Driven Architecture. Experience with Vue.js/Nuxt.js (preferential) or similar frontend frameworks and libraries. API development experience. Proficient experience with the AWS cloud platform. Excellent written and verbal communication skills. Strong problem-solving skills and attention to detail. Good organisational skills. The interview More ❯

greenfield solution that will drive huge business growth. In return this Software Engineer can expect an autonomous, knowledge share driven culture with a team of seven alongside excellent career development and training opportunities within this market leading organization. This Software Engineer should have most of the following key skills: - Solid commercial node.js - Strong Typescript skills - Understanding of cloud deployment … ideally AWS) - PostgreSQL database knowledge would be useful - Strong Test driven development skills with the ability to write unit tests - Third party API development skills - Solid system design understanding - Serverless, Headless, microservices etc - Any automation skills would be useful - Docker, Kubernetes etc - Any experience working with ERP solutions would be a real plus - A positive, engaging personality … they are writing This software Engineer will receive: - Starting salary of up to £65,000 - Long term remote working with one day a month in the office - Extensive personal development scheme - 25 days holiday - Private pension & healthcare - Fast paced, autonomous culture with extensive growth potential - Regular remuneration reviews So if you are a Software Engineer who wants to join More ❯

high-performance systems at scale. The Role: We’re seeking a talented Full-Stack Developer with strong experience in Golang and .NET to play a central role in our development team. You’ll be building real-time APIs, WebSocket systems, and large-scale distributed applications, as well as contributing to frontend projects using React and Next.js. The role also … and developing your expertise in Golang within a collaborative environment. Key Skills: Essential Strong experience with Golang Solid background in .NET/C# WebSockets and real-time data processing API development and strong problem-solving ability Remote working experience with excellent communication skills Desirable Node.js React/Next.js AWS and Kubernetes PostgreSQL, Redis (caching) Candidate Profile Mid-level More ❯

pair programming and Agile ceremonies Contribute to second-line support and occasional out-of-hours support Communicate technical concepts clearly to non-technical stakeholders Stay engaged with the wider development community and share best practices Essential Skills Strong experience with Java 21 or later Deep understanding of TDD and BDD Proven experience with large-scale microservice architectures Agile development experience Familiarity with Unix-like systems (Linux/Mac OS X) Responsive Web Design principles API development and CI/CD pipelines Ability to quickly learn new tools and techniques Desirable Skills Jackson, JAX-RS, Mockito Messaging platforms: ActiveMQ, Kafka MongoDB or other document databases Experience with high-traffic websites and large datasets Ideal Candidate Traits Flexible More ❯

/week onsite) Salary: £60,000 - £70,000 (depending on experience) Employment Type: Full-Time, Permanent Overview A dynamic consultancy is seeking a Senior Analytics Engineer to lead the development of scalable data solutions across a range of high-impact projects. This role offers the opportunity to work at the intersection of data engineering, analytics, and software development … Airflow . Collaborate with clients to understand business challenges and deliver tailored data solutions. Transform raw data into structured, actionable datasets for use in AI , predictive modelling , and platform development . Promote engineering best practices including automation, testing, and code quality. Mentor junior team members and lead technical workstreams to elevate team capability. Essential Skills & Experience Proven experience in … analytics engineering , data engineering , or model development roles. Advanced proficiency in Python (including libraries such as NumPy and Pandas) and SQL . Demonstrated ability to deliver production-ready solutions in a commercial environment. Strong communication skills with the ability to engage stakeholders and translate technical work into business outcomes. Hands-on experience with cloud platforms (preferably AWS or Snowflake More ❯