API Development Jobs in the UK

26 to 50 of 134 API Development Jobs in the UK

Realtime Risk Java Developer

London Area, United Kingdom
CRISIL Limited
code for the Risk Tech. Primary task would be to help the bank design and enhance the rates trading infrastructure right from design to development and testing. Develop technical specifications, high level/detailed design, testing strategies, and implementation plans from business requirement As the successful applicant you will … be responsible for supporting modern agile software development methods; including educating & mentoring less experienced OOP team members. Overall the work will be flexible based on client requirements. Core Skills: Good grasp of core concepts of computer science such as algorithmic thinking, data structures, and their application to enhance program … efficiency. Distributed and low latency application architecture development and maintenance Engaging in projects involving cutting-edge technologies with a primary emphasis on performance, handling large datasets, and transitioning towards event-driven architecture Utilizing Java 17+ with Spring/Spring Boot 3+, SQL/Oracle Effective experience with Redis, Apache more »
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Senior Software Developer

Edinburgh, City of Edinburgh, United Kingdom
Hays Technology
in Edinburgh. The team is currently looking for an experienced full-stack .NET developer to join their established team and contribute to the further development of existing services. What you'll need to succeed The successful applicant must possess relevant and demonstrable experience in the following areas: Develop, maintain … high quality code that meets business, architectural and security requirements. Design and conduct unit test plans to ensure high quality levels. Create and maintain development artefacts and documentation for existing services. Create detailed technical and design specifications in response to new business concepts/outline specifications. Provide accurate estimates … for all development activities to assist the Technical Leads with estimating project costs/timescales. Assist in the delivery of all development activities to the budget, timescales and quality criteria of the relevant development project. Ensure ongoing awareness of current and emerging technologies and suggest how these more »
Employment Type: Permanent
Salary: £60000 - £70000/annum Up to £70000
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API Developer

United Kingdom
Hybrid / WFH Options
SSCL
Are you an experienced API Developer? Join the Frontline of Innovation, supporting government departments and agencies. Welcome to the forefront of technological innovation! Are you a seasoned API Developer seeking an opportunity to shape the future of government services? Look no further! We are on the hunt for … a tech-savvy trailblazer like yourself, ready to utilise your WebMethods and API development skills in a dynamic environment. As a key player in our vibrant team, you'll be at the epicenter of developing cutting-edge solutions that not only propel businesses forward, but also empower individuals … developing, and implementing robust APIs to fortify our clients' systems. Collaborate with cross-functional teams to understand business requirements and translate them into effective API solutions. Ensure the scalability, performance, and reliability of API integrations. Stay ahead of industry trends and incorporate best practices to continually improve our more »
Employment Type: Permanent
Salary: £45,000
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Python Developer

London Area, United Kingdom
Hybrid / WFH Options
Stealth Startup
on an AI Tech solution for employees. Coming in a building out product APIs to create scalable highly performant services using Python/Fast API/AWS Lambda on AWS related services. Requirements: Experience using AWS cloud services 3+ years Python Development (Flask or Similar framework) API development using FAST API Bonus Points Experience working in an LLMs/ML environments Flask/Python/Software Engineer/Fast.API/LLM/AI/Flask more »
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Frontend Developer

London Area, United Kingdom
Omni
to develop and lead building of dashboards in various areas. Key responsibilities collaboratively with colleagues and to lead and projects. and lead full software development life cycle from taking user inputs to producing requirements documents and development, deployment and monitoring. single-page web applications using modern Javascript frameworks … React etc. well-designed, testable code using principals of OOP and design patterns. projects through to productions where appropriate. appropriate UX requirements and software development documentation. Dashboards or other Single page applications on Azure or some other cloud platform. Automated tests and unit testing to ensure quality and robustness. … collaboratively with the server side engineers on relevant API development and give the appropriate API requirements. debug and upgrade existing systems, do code review and maintain git repositories. as knowledge source and mentor to advise less experienced engineers across the wider team during implementation/experimentation phases. more »
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Sitecore Lead Developer

London Area, United Kingdom
Zensar Technologies
opportunity to design new systems or re-design current applications. Here's how you'll contribute: Leading, Managing and owning all aspects of technical development and delivery Understanding requirements and writing technical architecture documents Ensuring the code reviews and development best practices/processes to be followed Planning … Hands on Experience on Sitecore Version Used 10.X version & above. Knowledge of Sitecore Helix & Habitat Framework Sitecore SXA, Sitecore JSS, Sitecore XM Cloud Experience (Development and Migration) Resolve user-identified functional and technical issues relating to Sitecore Backend Layer (Sitecore API/Personalization/Marketing Module etc.. ) Back … end, and API development using the .Net framework + Sitecore API and the C# language. Build and Apply Personalization Rule. Build Sitecore Pipeline + Extend Sitecore Core functionality using Sitecore API PowerShell Scripting (Read Sitecore Items) Import and Export Content Multisite Solution Implementation using Sitecore Platform more »
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Software Engineer

Glasgow, Scotland, United Kingdom
Bigtincan
Architecture, design, development, testing and rollout of features on the distributed platform Contribute to green-field projects as well as modernising the existing stack Support the products built through their entire life cycle, including testing, production and incident management Contribute to key technical decisions through collaboration/feedback with … Gain exposure to complex, distributed systems of our sales enablement platform Qualifications: Excellent communication, problem solving and organisation skills. Commercial .Net, C# and Restful API development experience Deep experience with multiple development frameworks, design patterns, build, deployment and automated testing tools Knowledge of at least one JavaScript … based development framework Understanding of CI/CD toolchain and Azure cloud development Our Tech Stack for this role includes: ASP.NET, C#, MS SQL Server; Microsoft Azure Cloud Services,Angular 14 with Typescript, Redux, Ionic; Redis; Jenkins, Jira, Octopus, Bitbucket more »
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PHP Developer

Southport, Merseyside, North West, United Kingdom
Crowd Link Consulting Ltd
creating their products. They also work with several industry leading technology partners who keep them on top of their game. They are expanding their development team and are looking for a passionate and creative PHP Developer to join their existing development team. You will be required to make … changes to their platform within their development environment as per the teams development timeline. Technical Skills PHP 8.0+ MySQL/MariaDB Strong Laravel Knowledge Vue 3, jQuery RESTful API Development HTML/CSS (Bootstrap) AWS Git Linux (CentOS/Fedora/RHEL or other associated sources … Agile (XP) Development Desirable skills Cordova/Ionic/PhoneGap/App experience desirable. The role requires that you are an excellent team player and can work closely with other developers. This position presents an excellent opportunity for a talented developer who wants to stretch their abilities to the more »
Employment Type: Permanent
Salary: £45,000
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Senior C# Engineer (Full Stack) – .Net 6 (or later), Blazor, RabbitMQ, PaaS, Azure, Docker, Swagger - Global

Greater London, England, United Kingdom
Smart Sourcer
and Executive Technology Stakeholders to shape and deliver disruptive technology solutions. You’ll require the following skills and experience: Extensive experience operating in senior development & engineering positions following industry best practices Extensive experience of up-to-date C# and the .Net ecosystem (.Net 6 or later) within Azure environments … of immutability & idempotence Experience authoring and maintaining CI/CD pipelines Experience with a variety of database technologies (inc. SQL Server) Experience of modern API development e.g. Swagger Experience of UI development with Blazor In depth knowledge of scalable, secure & high performance cloud engineering platforms Exposure to more »
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C# Software Developer

Manchester Area, United Kingdom
Element Materials Technology
Azure DevOps for backlog management and sprints, repository management and solution delivery including use of GIT and Azure Pipelines. Help to implement best practice development processes within the team whilst also helping to up-skill existing staff. Ensure that applications, data, and integrations solutions are aligned with development/architectural principles. Key Skills Microsoft .Net development background including significant experience using C#, .Net, Entity Framework, MS SQL Server, and JavaScript framework(s) both online and offline. Strong experience of using Azure Cloud Services including Azure Web Apps, Azure SQL or similar. Excellent experience with Microsoft development tools including Visual Studio, Azure Dev Ops, Azure Pipelines and GIT. API development experience including use of integration platforms such as Mulesoft/BizTalk or similar. Strong knowledge of the software development lifecycle including ITIL concepts such as change advisory board (CAB). Business/Technical more »
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Software Developer

Salford, England, United Kingdom
Hybrid / WFH Options
MoneyPlus
free services, then you may have what it takes to join our team. Why do we need you? The Software Developer will support the development of a wide range of both Internally and externally facing systems. Working across all verticals within the Group, this role will be key to … and ensure design, security and coding standards best practice is considered and applied where required. You will be responsible for supporting the Head of Development in estimating, planning, and managing the development teams’ sprints and workloads. You will participate in the daily stand-up ensuring progress is being … made on time and any blockers are reported. The role will have key involvement and a voice in shaping the Development team and its methodologies and practices. This is a hybrid role with a mix of office and home working. What’s in it for you? We believe our more »
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Software Engineer (DV Security Clearance)

Glocuester, England - South West, United Kingdom
CGI
Job order - J0424-1683 - Permanent Full Time Title Software Engineer (DV Security Clearance) Category Software Development/Engineering City Glocuester, England - South West, United Kingdom Job Description Software Engineer (DV Security Clearance) Position Description Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized … As a minimum, candidates must have proven technical skills in at least one (ideally several) of the following: Containerisation/Container Security; Microservice Architectures; API Development, REST, Swagger, OpenAPI, gRPC; Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); Cloud native … Spark; RedHat Enterprise Linux, CentOS, Debian or Ubuntu. Java 8, Spring framework (preferably Spring boot), AMQP RabbitMQ, Open source technologies; Experience of Agile software development (SAFe, Scrum, Kanban, etc) Experience writing technical documentation such as LLDs, user guides, release notes etc All applicants must hold or be prepared to more »
Employment Type: Full Time
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AI / ML Engineer

London Area, United Kingdom
AWTG Ltd
advanced neural network models to meet specific functional requirements. Deployment and Integration : Efficiently deploy these neural networks on servers, ensuring optimal performance and scalability. API Development : Create robust API endpoints for model access, enabling seamless integration with external systems or applications. Platform Development : Architect and develop … a user-friendly platform where multiple AI models are accessible and can be utilized through API calls, facilitating a broad range of AI capabilities. Continuous Improvement : Continuously monitor, update, and improve the models and the platform based on user feedback and evolving technological trends. Skills and Qualifications: Minimum … neural network algorithms. Proficient in programming languages like Python, and frameworks such as TensorFlow or PyTorch. Experience with server deployment, cloud computing environments, and API development. Good understanding of software engineering best practices. Excellent problem-solving abilities and a keen eye for detail. Strong communication skills to collaborate effectively more »
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Full Stack Engineer (.NET/React) | £80,000

Manchester Area, United Kingdom
Venchr
Here at Venchr, We're seeking a motivated full-stack software engineer with a passion for AI technology to join our innovative software development team. In this role, you'll play a pivotal part in shaping the future of our technology using cutting-edge Azure technologies, offering significant opportunities … for career growth and leadership positions. Working closely with the Product Director, you'll refine and size the development backlog, elevate our technology platform, and deliver an unparalleled customer experience. If you thrive in collaborative, creative teams, and have a track record in similar environments, we'd love to … Agile methodology (preferably Scrum). Proficiency with Visual Studio, Visual Studio Code. Azure DevOps and/or Azure GitHub CI/CD Pipeline. REST API development and Integration expertise. Strong understanding of Azure system architecture, performance, and security. Previous involvement in team projects of varying complexity. Desirable Skills more »
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PHP Developer

Manchester Area, United Kingdom
Sherborne Talent Solutions
My client is seeking a skilled Software Developer to contribute to the development of a diverse range of both internal and external systems. This role will play a crucial part in their business's success by delivering new systems and implementing changes in an Agile manner across all verticals … other developers, participate in architecture and design sessions, and ensure adherence to design, security, and coding standards. Additionally, you will assist the Head of Development in estimating, planning, and managing the development teams' sprints and workloads. Your responsibilities will include actively participating in daily stand-up meetings to … the business to gather requirements and propose solutions. Managing features from backlog to deployment and beyond. Provides the opportunity to contribute to shaping the Development team and its methodologies and practices. Ensuring the smooth operation and support of the solutions you develop. Engaging in daily stand-up meetings. Exploring more »
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Software Developer

M3, Manchester, United Kingdom
Sherborne Talent Solutions
My client is seeking a skilled Software Developer to contribute to the development of a diverse range of both internal and external systems. This role will play a crucial part in their business's success by delivering new systems and implementing changes in an Agile manner across all verticals … other developers, participate in architecture and design sessions, and ensure adherence to design, security, and coding standards. Additionally, you will assist the Head of Development in estimating, planning, and managing the development teams' sprints and workloads. Your responsibilities will include actively participating in daily stand-up meetings to … the business to gather requirements and propose solutions. Managing features from backlog to deployment and beyond. Provides the opportunity to contribute to shaping the Development team and its methodologies and practices. Ensuring the smooth operation and support of the solutions you develop. Engaging in daily stand-up meetings. Exploring more »
Employment Type: Permanent
Salary: £40000 - £50000/annum
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Senior Full Stack Python Developer

London Area, United Kingdom
Service Care Solutions
experienced Full-Stack Developer to coma and join an exceptional team based in Canary Wharf. Working for a passionate company that is driving the development and engineering of engineering platforms across the UK. They are an eco-focused, lo-carbon business that has made an amazing impact across the … and using related tools – e.g., Docker, Docker Compose, Kubernetes, logstash and using messaging tools e.g. Rabbit MQ, Apache Kafka. Databases – e.g., SQL, PostgreSQL. RESTful API development and management. Performance Tuning. Solid understanding of design patterns and relevant implementation models. Solid understanding of DevOps tooling, GitLab, CI/CD more »
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Software Developer- C#.NET

Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Hybrid / WFH Options
Reed Technology
instrumental in advancing our technological capabilities and ensuring the delivery of high-quality services. Day to Day of the role: Collaborate within an Agile development team to design, develop, test, and maintain innovative software solutions using the Microsoft .NET framework and deploying applications to Azure. Review user requirements and … them into technical specifications and robust software solutions. Assess existing systems, providing technical architecture and data system specifications, and contribute to the wider software development lifecycle. Write effective unit tests and work with relational data stores (SQL/NoSQL) to optimize query performance. Engage in pair-programming and lead … improvement. Required Skills & Qualifications: Degree level education or equivalent experience, potentially supplemented by post-graduate diploma knowledge. Proficiency in C# .NET (MVC/Core), API development, and a deep understanding of the software development lifecycle. Experience in software development within a formal environment. Ability to write more »
Employment Type: Permanent, Work From Home
Salary: £40,000
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Software Engineer - .Net, SQL, Javascript

Brighton, England, United Kingdom
Hybrid / WFH Options
WRK digital
your career to the next level. We are shortlisting for a Software Developer to join their expanding team and be responsible for the design, development and maintenance of their core systems. You would be working with an incredibly talented CTO and Head of Engineering, alongside other .net Developers, Testers … remote position but all applicants must be based in the UK. As a mid level Software Developer you will be responsible for: - Delivering ongoing development & maintenance of their core business platform. - Participating in change boards, planning, design, and Agile ceremonies. - Providing expert assistance to IT service desk staff on … Server, Azure DevOps workflow and the Azure Platform. - Knowledge of modern front end JavaScript frameworks such as Angular and Vue along with experience of API development and integrating with 3rd party API's. - Experience of working in an agile environment. - Excellent communication skills, able to speak in more »
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Frontend Developer

London, England, United Kingdom
Arrows
Full Stack Developer - React.JS - Python - Rest API - SQL - 6 Months - Paying up to £615 (Inside IR35) - Hybrid As a Full-Stack Engineer you will collaborate with a cross functional team to design and develop systems that operate on a wide range of data sets. You will work closely with … them into technical specifications and solutions. Utilize AWS Gateway to build, deploy, and manage APIs securely and efficiently. Develop server-side logic using FAST API and other relevant technologies to ensure robust and scalable backend systems. Ensure the performance, reliability, and scalability of applications and APIs through thorough testing … the entire stack, from front-end to back-end. Requirements: Proven experience working as a Full Stack Engineer, with a focus on React JS development and API design and development. Strong proficiency in React JS and its core principles, with a deep understanding of component-based architecture, state more »
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Senior C# Developer (Full Stack) – C#, Javascript, IaC, CI/CD, Swagger

E1, Whitechapel, Greater London, Spitalfields, United Kingdom
Smart Sourcer Ltd
and Executive Technology Stakeholders to shape and deliver disruptive technology solutions. You’ll require the following skills and experience: Prior experience operating in senior development & engineering positions within large technology teams in global, enterprise scale settings Extensive experience of C# and the .Net ecosystem Strong front end skills inc. … testing and debugging Experience authoring and maintain CI/CD pipelines Experience with a variety of database technologies (inc. SQL Server) Experience of modern API development e.g. Swagger Basic exposure to Artificial Intelligence and Machine Learning technologies with a desire to develops skills in this field In depth more »
Employment Type: Permanent
Salary: £80000 - £100000/annum
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Java Software Engineer

London Area, United Kingdom
HCLTech
Tomcat/Kafka, SAML IAM workflows memory optimization and its relevant tools. From a technology perspective, we require 10+ years of experience in software development as an lead developer. The candidate should be able to demonstrate experience with: •Minimum 7 year experience with strong application development on Java … like GCP/AWS/Azure •Exposure and knowledge on Docker, Google Kubernetes environment is preferred. •Experience in spring framework, spring boot and REST API development with data processing and storage solutions on GCP/AWS/Azure •Hands on experience on application security implementation, SAML, OAuth 2.0 … API Security and fair understanding of deployments on POD. · Fair understanding of web frameworks, java script technologies is good to have and libraries •Good in communication (Interaction with global teams/business is very important) •Steep learning curve – ability to learn and apply new technology in development. •Strong problem more »
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Liferay Front End Developer

London
Nexus Jobs Limited
Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years' work experience in Software Development Experience with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM message … experience in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT Solid understanding of integration & design patterns Gain adoption of platform delivery … processes, standards and procedures Provide hands-on technical leadership throughout software development lifecycle (requirements gathering, Proof of Concept (POC) development, RFP creation and evaluation, design, development, implementation and close out) Experience in Database SQL Queries in Oracle Experience in Tomcat or WebLogic or Web sphere Ability to more »
Employment Type: Permanent
Salary: £300 - £400
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Java Middleware Software Developer

Stratford London, Greater London, England
Nexus Jobs Limited
Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years' work experience in Software Development Experience with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM message … experience in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT Solid understanding of integration & design patterns Gain adoption of platform delivery … processes, standards and procedures Provide hands-on technical leadership throughout software development lifecycle (requirements gathering, Proof of Concept (POC) development, RFP creation and evaluation, design, development, implementation and close out) Experience in Database SQL Queries in Oracle Experience in Tomcat or WebLogic or Web sphere Ability to more »
Employment Type: Permanent
Salary: £45,000 - £60,000
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Data Engineer

Walsall, England, United Kingdom
Crimson
Data Engineer – Middleware/API £40,000 - £45,000 P/A X1 day per week on-site in Walsall We are seeking a talented and experienced Data Engineer with expertise in Middleware and API development to join our clients team. As a Data Engineer, you will … estimates, and develop solutions that adhere to Middleware best practices. Responsibilities: Work with the Business and Solutions Team to scope out work requests and development requirements. Analyse business requirements, provide accurate estimates, and present solutions clearly. Evaluate, assess, and recommend solutions that fit with Middleware best practice. Develop all … required documentation, prototypes, and software, working with your Peers in the Development and Solutions team. Lead integration development activities, working with the Solutions Team to turn the vision into reality. Manage development implementation, ensuring work assigned to you is completed on schedule adhering to department quality standards more »
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API Development
10th Percentile
£39,000
25th Percentile
£48,750
Median
£60,000
75th Percentile
£75,000
90th Percentile
£87,125