API Development Jobs in the UK

1 to 25 of 136 API Development Jobs in the UK

Mulesoft Integration Engineer

Glasgow, Scotland, United Kingdom
ACCA
some but not all of the criteria listed below. Are you a skilled and motivated IT professional with a background in application or integration development who is looking to work for a global organisation and help us deliver strategically aligned system integrations? We're currently looking for an Integration … integration delivery within ACCA. We have an established integration platform which has been developed on MuleSoft. The role will be involved in the strategic development of the platform as well as delivering integration design and development of APIs both to internal and 3rd party systems. This is development … as an Integration Engineer will require you to: Design and develop integration solutions aligning with best practise Enterprise Application Integration patterns and MuleSoft's API-Led Connectivity approach. Maintain & develop CICD automation pipelines. Provide technical quality assurance for API development. Provide input into API governance. Provide 3rd more »
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Azure Cloud Engineer (AI)

United Kingdom
Hybrid / WFH Options
Experis UK
of the customer within our organization and helping to shape their customer support strategy. Product Improvement Liaison: Act as a bridge to our internal development organizations, advocating for product enhancements that can alleviate customer pain points and improve their overall experience with our products. Most Important things they are … frameworks that help advance the field of AI Relevant Networking and Security knowledge, for both private and public networks, along with expertise in RESTful API development and integration. Solid foundation in Data Engineering, including understanding of databases, data retrieval via query languages like SQL or Kusto, and experience more »
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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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C# Developer .Net API SQL - Smart Energy

United Kingdom
Hybrid / WFH Options
Client Server
C# Developer/Software Engineer (.Net API SQL) Nottingham/WFH to £50k Opportunity to progress your career at a tech company that provides a range of software solutions to energy suppliers from small start-ups through to major household names, covering everything from connecting to the grid through … connectivity and compliance systems for smart meter technology. You'll be working with a modern tech stack, with a focus on C# .Net and API development; you'll be able to pick up new skills and knowledge on other technologies in the stack such as AWS and Docker … of the time, meeting up with the team for constructive meetings once a month in the Nottingham office. About you: You have C# .Net development skills You have a good understanding of databases with SQL skills You have a good understanding of APIs You're familiar with AWS, keen more »
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R&D Engineer II

England, United Kingdom
Ansys
and using multiple technologies, are proficient with C#, and have a proven track record of working on large .NET applications You understand the full development stack, from UIs through to database engines. (Experience of web and API development would be useful, as would a knowledge of SQL more »
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R&D Engineer II

Cambridge, England, United Kingdom
Ansys
and using multiple technologies, are proficient with C#, and have a proven track record of working on large .NET applications You understand the full development stack, from UIs through to database engines. (Experience of web and API development would be useful, as would a knowledge of SQL more »
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Technical Lead

London Area, United Kingdom
Mastek
digitization programs. We partner with enterprises to unlock their power of data, modernize applications to the cloud, and accelerate digital advantage for all stakeholders. API Technical Lead – (Work Location – London, United Kingdom Detailed Job Description: Scope of Services :- As the API Technical Lead, you will spearhead the technology … division, driving the development and execution of the API and event-driven architecture (EDA) strategy and capabilities. Your responsibilities include overseeing the design, architecture, and maintenance of our platform, setting API and event design standards, managing the developer portal, and ensuring compliance across Technology teams for building … and deploying APIs. Key Accountabilities: Lead and mentor API and event-driven architecture development across diverse teams of software engineering professionals Design and architect advanced API solutions, encouraging continuous improvement. Design and architect loosely coupled event-driven asynchronous solutions. Engage in extensive internal and external stakeholder management 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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Full-stack Developer

Coventry, England, United Kingdom
Hybrid / WFH Options
ZPN Energy
site role for a Full-stack Developer located in Coventry. The Full-stack Developer will be responsible for back-end and front-end web development, software development, and cascading style sheets (CSS). Daily tasks include coding, debugging, testing, and maintaining applications and websites, collaborating with cross-functional … teams, and ensuring high-performance and responsiveness of applications. Experience of battery management, EV charging and renewable hardware systems are essential. Qualifications Full-Stack Development, Back-End Web Development, and Front-End Development skills Proficiency in software development and building scalable applications Strong knowledge of HTML … CSS, and JavaScript Experience with web frameworks (e.g., Angular, React, Django) Experience with C# Knowledge of API design and development Experience with databases (e.g., MySQL, MongoDB, Azure) Understanding of code versioning tools (e.g. Git, SVN) Excellent problem-solving and analytical skills Ability to work independently and collaboratively in more »
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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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Full Stack Engineer - Python, Django, Microservices, DevOps

Greater London, England, United Kingdom
Hybrid / WFH Options
Global Resourcing
for a Full Stack Engineer to be part of a skilled group of engineers, data modellers and quants. The role will focus on the development and maintenance of cutting-edge digital platforms, powering multiple applications like settlement tools, forecasting systems, calculation engines, data portals and more. Skills & Experience Extensive … a front-end capacity (preferably React) Microservices and related tools - Docker, Docker Compose, Kubernetes, logstash and messaging tools e.g. Rabbit MQ, Apache Kafka. RESTful API development and management. Databases - e.g. SQL, PostgreSQL, MongoDB and Linux OS. Performance Tuning. Solid understanding of DevOps tooling, GitLab, CI/CD, Jenkins more »
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Application Support Developer

London Area, United Kingdom
Hybrid / WFH Options
Kantar
developments and approaches relating to the ongoing project on the redevelopment of our Shop and Scan website. Responsibilities will also include BAU support and development of multiple bespoke internally developed applications, liaising directly with the Operations team on support and development matters, and collaborating with the wider System … provide the most intuitive and efficient way to analyse our shopper behaviour’s data. What you’ll be doing Assist the Application Manager in development projects and business-as-usual (BAU) support. Take ownership of development requests, actively progress them, and proactively triage and resolve support tickets. Collaboratively … s or Master’s Degree) in Computer Science, Software Engineering or equivalent fields. Minimum of 3-4 years of previous experience in full-stack development roles – preferably in application development. Proficiency in Front-End web development primarily with JS, HTML5 and CSS. Proficiency in Back-End development more »
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Product Software Engineer (PHP, Symfony)

Greater London, England, United Kingdom
Hybrid / WFH Options
Coders Connect
solving problems like the above Recent experience in Symfony and PHP It’s nice if you’re familiar with: web interface and database-driven API development, particularly for B2B products dynamic and rich front-end experiences agile software development DevOps tools and practices – they use DigitalOcean, GitLab more »
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Full Stack Engineer

London Area, United Kingdom
JABS Medtech
knack for designing intuitive user interfaces. The ideal candidate will be passionate about adopting the latest technology trends and have a strong background in API development and integration. Responsibilities: Develop high-quality, scalable, and reusable code using React with TypeScript. Lead the frontend development team in implementing … robust web applications and interfaces. Integrate front-end applications with back-end services via API connections, ensuring seamless data exchange. Optimise applications for maximum speed and scalability while ensuring security and data protection. Collaborate with cross-functional teams to define, design, and ship new features. Stay up-to-date … with emerging trends and technologies in frontend development and incorporate them into projects. Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field. 5+ years of experience in frontend development with a strong portfolio in React and TypeScript projects. Proficiency in Node.js, Python and understanding of more »
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Data Product Manager

Chiswick, England, United Kingdom
Hybrid / WFH Options
4GLOBAL PLC
highest data quality in our database, generating data logic for key performance indicator (KPI) calculations for our core products and services, and overseeing the development of APIs by the technical team. This position demands a blend of technical acumen, project management skills, and a deep understanding of data's … role in product development and enhancement. Responsibilities: • Data Integration Management: Oversee the integration process with data provider companies, ensuring accurate data matching and seamless setup of new integrations. • Quality Assurance and Data Logic Development: Ensure the integrity and accuracy of data within our database. Develop and maintain the … logic for KPI calculations that underpin our core products and services, working closely with the technical team to implement these via API development. • Technical Liaison and Support Coordination: Serve as a bridge between the technical team and data providers to facilitate the development and implementation of integrations. Assist more »
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Lead IOT Product manager

London Area, United Kingdom
Hybrid / WFH Options
X4 Technology
Lead IOT Product manager opportunity to work on next gen wearable development through use of cutting-edge micro tracking devices, anchored by a network of fixed beacons, The business partner with some of the largest international brands and are currently completing series B. You will be part of the … for the following experience to join the senior leadership team for the next chapter of the business; Experience as product manager Good experience with API development Experience with embedded systems, and technical background. The client are looking for an energetic, passionate and experienced Lead Technical Product Manager to … and data science that brings it to life. You will collaborate closely with cross-functional teams, including software, data science, hardware, product, and business development, to deliver world-class solutions that revolutionize the industry! Lead Hardware IOT Product manager Responsibilities Define and prioritize technical product specifications based on market more »
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Cloud Support Engineer

England, United Kingdom
People Source Consulting
frameworks that help advance the field of A Relevant Networking and Security knowledge, for both private and public networks, along with expertise in RESTful API development and integration. Solid foundation in Data Engineering, including understanding of databases, data retrieval via query languages like SQL or Kusto, and experience … of the customer within our organization and helping to shape the customer support strategy. Product Improvement Liaison: Act as a bridge to our internal development organizations, advocating for product enhancements that can alleviate customer pain points and improve their overall experience with our products. How To Apply Please send more »
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Applications Developer - London/hybrid - 50k per annum

City, London, United Kingdom
Hybrid / WFH Options
DGH Recruitment Ltd
/hybrid 3 days per week in Office- 50k per annum. My prestigious legal client is looking for an Application Developer to join their development team in London. The successful candidate will be joining a team made up of experienced Developers and will be working on a wide range … of projects focusing on Web and API development. The Application Developer will be involved in the full development life cycle from reviewing system analysis all the way through to Implementation and documentation. It is important that you have excellent communication and stakeholder management skills as you will be … solutions and liaising closely with other areas within the IT Department and wider business. Key Skills and experience required. * Excellent understanding and knowledge of development principles and methodologies. * JavaScript * Angular * ASP.NET * Web API * TypeScript * C#, .NET * Azure DevOps * GIT * RESTful web services * HTML * CSS * Entity Framework Core Applications more »
Employment Type: Permanent
Salary: GBP 50,000 Annual
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Senior JavaScript Developer

Manchester, Lancashire, United Kingdom
Hybrid / WFH Options
Lorien
you will be leading initiatives to stabilise and optimise the existing system, participate in the standardisation of the databases, and work on new feature development such as stock control modules, SSO and the overhauling of the analysis and insights functionality. Following the continued expansion of the client base here … into new countries in 2025 which will bring with it a whole new set of projects and challenges. There will also be business-related development projects including CRM integration, supporting sales and customer success teams and maintaining integrations with APIs such as Airtable, Groupcall and Wonde. DUTIES: Lead and … contribute to the end-to-end development of SaaS applications using JavaScript (Node.js, React or similar frameworks) Design and develop APIs with NoSQL and GraphQL, using best practices and with a keen eye on security. Collaborate with cross-functional teams, including stakeholders, product owners, designers, and other engineers, to more »
Employment Type: Permanent
Salary: GBP 75,000 Annual
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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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MLOps Engineer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown Asset Management Limited
cutting-edge machine learning models and providing comprehensive support to ensure seamless integration into production environments Taking ownership of our MLOps platform, spearheading its development, optimisation, and growth Driving the implementation of CI/CD (continuous integration and continuous delivery/deployment) pipelines to streamline the development, testing … of quality and efficiency Implement and enforce rigorous security measures and ensure compliance with industry regulations, safeguarding our platform and data against potential threats API Development and Deployment Collaborating with Data Science and Engineering Teams to drive innovation and excellence About you Ability to Design and implement MLOps more »
Employment Type: Permanent, Part Time, Work From Home
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Technical Architect

Cardiff, South Glamorgan, Wales, United Kingdom
Hybrid / WFH Options
Reed Technology
effectively communicating these to both technical and non-technical stakeholders. Establish and maintain architectural principles, strategy, governance, and technical direction. Work closely with the development & architecture team to ensure designs are consistent and fit for purpose. Stay abreast of new technologies and processes, applying this knowledge to improve our … services. Collaborate with development teams to ensure their output adheres to architectural designs. Requirements Technical Architecture Experience. Experience as a Technical Lead or Lead Developer or Architect Experience integrating third-party and in-house developed systems. Proven commercial experience with Microservices Architectures, API Development, Cloud Computing Platforms more »
Employment Type: Permanent, Work From Home
Salary: £45,000
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Data Engineer

London Area, United Kingdom
Hybrid / WFH Options
Janus Henderson Investors
well as provide suggestions for new standards and procedures as the move toward cloud technologies matures. Participate in all phases of the agile systems development life cycle, including requirements analysis, design (including code design and code reviews), development, testing and deployment, picking up data development tasks within … benefits including corporate membership to ClassPass Paid volunteer time to step away from your desk and into the community Support to grow through professional development courses, tuition/qualification reimbursement and more All-inclusive approach to Diversity, Equity and Inclusion Maternal/paternal leave benefits and family services Complimentary … articulating complex technical concepts to non-technical audiences. Experience with modern technology stacks, agile methodologies, and cloud computing Experience of working with geographically disperse development teams Strong knowledge of Asset Management data Nice to have skills Experience of micro-service development and API development Degree educated more »
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Senior Automation Engineer

United Kingdom
Vallum Associates
/CD pipelines and a comprehensive understanding of DevOps practices. The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Responsibilities • CI/CD Pipeline … Development: Create and implement new, customized CI/CD pipelines tailored for specific project use cases, ensuring efficient, automated workflows • Pipeline Maintenance: Regularly update and maintain existing CI/CD pipelines to ensure they are efficient, secure, and up-to-date with the latest technology standards • Integration of Solutions … and maintain Infrastructure as Code (IaC) manifests, predominantly using Terraform, to manage and provision IT infrastructure in a consistent and repeatable manner • Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc • Tool more »
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Software Developer

London Area, United Kingdom
Hybrid / WFH Options
Janus Henderson Investors
The Global Technology department has 400+ employees, running numerous change projects across all areas of the firm, including vendor implementations, regulatory change, in-house development, as well as overseeing change delivery from third party suppliers. The Fixed Income Quant Platform Team sits within the Fixed Income Technology department and … on role, and you will be expected to take ownership of key initiatives from design to delivery and to contribute to the architecture and development practices. This role is closely integrated with the investment team. It is therefore important that you can communicate and collaborate effectively across all areas … and reasonable accommodations. Generous Holiday policies Paid volunteer time to step away from your desk and into the community. Support to grow through professional development courses, tuition/qualification reimbursement and more. All-inclusive approach to Diversity, Equity, and Inclusion Maternal/paternal leave benefits and family services Complimentary 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