176 to 200 of 388 API Development Jobs in England

BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development (primary focus), Python experience desirable Experience across multiple services, particularly data services Docker, Kubernetes, Git/version control API development and integration Agile working practices and adherence … to technical standards Approach: Pride in producing high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Ruby-based applications and data services Build and maintain APIs and open data platforms Ensure code is high-quality and well-documented Work … For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience in public sector or government projects Knowledge of search technologies and open data platforms Active SC clearance More ❯

in Northampton in their search for a Full Stack Developer to join the team on a permanent basis. The ideal candidate will have strong experience working in full stack development and Integrations with the ability to design, develop, and implement technical solutions that enhance business processes. Tech Stack: Proven experience in full stack development (frontend and backend). … Proficient in JavaScript, React, Node, HTML, CSS, and SQL . Experience with API development and cloud-based systems (preferably AWS) Excellent analytical and problem-solving skills. Strong communication and collaboration abilities. Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for More ❯

government in their search for a Cloud Java Developer to work out of either Manchester or Cheltenham. This client, aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python backend languages, and cloud experience would also be … or Java, React, Go Familiarity with deploying applications to cloud architecture and technologies in AWS environments. Experience with web application services Experience of Test Driven or Behaviour Driven development. API development and integration Experience with monitoring systems Working knowledge of digital delivery processes and methodologies. Working knowledge of Atlassian Toolset. Knowledge of JavaScript frontend frameworks. Understanding of front More ❯

BPSS to start; active SC required due to timsecale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Python development (primary focus), Ruby experience desirable Experience across multiple services, particularly data services Docker, Kubernetes, Git/version control API development and integration Agile working practices and adherence … to technical standards Approach: Pride in writing high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Python-based applications and data services Build and maintain APIs and open data platforms Ensure code is of high quality and well-documented 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 ❯

Senior Full Stack Developer - Hybrid - £650/day Outside IR35 React .NET Python AWS API Asset Management Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/Lead Full … Stack Developer. Details 3 days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid -  …/day Outside IR35 React .NET Python AWS API Asset Management Wealth Management More ❯

will play a pivotal role in helping to shape our data strategy. The Senior Data Analyst will lead on designing and delivering data solutions while remaining hands-on with development, demonstrating effective project management capabilities and the ability to juggle multiple priorities successfully. This role requires strong expertise in developing robust data solutions and interactive dashboards using Power BI … leadership on best practices, emerging technologies, and opportunities for innovation. Lead complex data transformation initiatives from inception to delivery, ensuring alignment with business objectives and regulatory requirements. Drive the development of existing and new advanced Power BI dashboards and reports. Assume ownership of data within Microsoft Dynamics 365, including cleansing, validation, and reconciliation. Design scalable data models and implement … experience in data analytics or engineering, within the financial services sector. Advanced proficiency in Power BI and Microsoft Dynamics 365 (including marketing and sales modules). Demonstrable full-stack development skills in SQL, Turbo C and Python, with proven experience in API development and data integration. Experience designing scalable data architectures and ETL pipelines. Proven ability to More ❯

will play a pivotal role in helping to shape our data strategy. The Senior Data Analyst will lead on designing and delivering data solutions while remaining hands-on with development, demonstrating effective project management capabilities and the ability to juggle multiple priorities successfully. This role requires strong expertise in developing robust data solutions and interactive dashboards using Power BI … leadership on best practices, emerging technologies, and opportunities for innovation. Lead complex data transformation initiatives from inception to delivery, ensuring alignment with business objectives and regulatory requirements. Drive the development of existing and new advanced Power BI dashboards and reports. Assume ownership of data within Microsoft Dynamics 365, including cleansing, validation, and reconciliation. Design scalable data models and implement … experience in data analytics or engineering, within the financial services sector. Advanced proficiency in Power BI and Microsoft Dynamics 365 (including marketing and sales modules). Demonstrable full-stack development skills in SQL, Turbo C and Python, with proven experience in API development and data integration. Experience designing scalable data architectures and ETL pipelines. Proven ability to More ❯

will play a pivotal role in helping to shape our data strategy. The Senior Data Analyst will lead on designing and delivering data solutions while remaining hands-on with development, demonstrating effective project management capabilities and the ability to juggle multiple priorities successfully. This role requires strong expertise in developing robust data solutions and interactive dashboards using Power BI … leadership on best practices, emerging technologies, and opportunities for innovation. Lead complex data transformation initiatives from inception to delivery, ensuring alignment with business objectives and regulatory requirements. Drive the development of existing and new advanced Power BI dashboards and reports. Assume ownership of data within Microsoft Dynamics 365, including cleansing, validation, and reconciliation. Design scalable data models and implement … experience in data analytics or engineering, within the financial services sector. Advanced proficiency in Power BI and Microsoft Dynamics 365 (including marketing and sales modules). Demonstrable full-stack development skills in SQL, Turbo C and Python, with proven experience in API development and data integration. Experience designing scalable data architectures and ETL pipelines. Proven ability to More ❯

will play a pivotal role in helping to shape our data strategy. The Senior Data Analyst will lead on designing and delivering data solutions while remaining hands-on with development, demonstrating effective project management capabilities and the ability to juggle multiple priorities successfully. This role requires strong expertise in developing robust data solutions and interactive dashboards using Power BI … leadership on best practices, emerging technologies, and opportunities for innovation. Lead complex data transformation initiatives from inception to delivery, ensuring alignment with business objectives and regulatory requirements. Drive the development of existing and new advanced Power BI dashboards and reports. Assume ownership of data within Microsoft Dynamics 365, including cleansing, validation, and reconciliation. Design scalable data models and implement … experience in data analytics or engineering, within the financial services sector. Advanced proficiency in Power BI and Microsoft Dynamics 365 (including marketing and sales modules). Demonstrable full-stack development skills in SQL, Turbo C and Python, with proven experience in API development and data integration. Experience designing scalable data architectures and ETL pipelines. Proven ability to More ❯

will play a pivotal role in helping to shape our data strategy. The Senior Data Analyst will lead on designing and delivering data solutions while remaining hands-on with development, demonstrating effective project management capabilities and the ability to juggle multiple priorities successfully. This role requires strong expertise in developing robust data solutions and interactive dashboards using Power BI … leadership on best practices, emerging technologies, and opportunities for innovation. Lead complex data transformation initiatives from inception to delivery, ensuring alignment with business objectives and regulatory requirements. Drive the development of existing and new advanced Power BI dashboards and reports. Assume ownership of data within Microsoft Dynamics 365, including cleansing, validation, and reconciliation. Design scalable data models and implement … experience in data analytics or engineering, within the financial services sector. Advanced proficiency in Power BI and Microsoft Dynamics 365 (including marketing and sales modules). Demonstrable full-stack development skills in SQL, Turbo C and Python, with proven experience in API development and data integration. Experience designing scalable data architectures and ETL pipelines. Proven ability to More ❯

developer) and an infrastructure specialist – your ideas won’t just be heard, they’ll shape the future. Tech-Forward Culture: Embrace AI-assisted coding and testing tools to accelerate development, testing and deployment. A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, you’ll be solving real … on, stored procedures, DB design & maintenance) Strong experience with RESTful APIs, JSON and app integrations Git version control (or similar) HTML & CSS PowerBI reporting What You Bring Full software development lifecycle experience, including testing and documentation Strong debugging skills and a commitment to clean, maintainable code Effective communicator, with both technical and non-technical audiences Ability to work independently … support experience Salary & Benefits -Salary: £40–51K basic + annual bonus (currently £4.5–6K), based on company performance -28 Days Annual Leave -Life Assurance & Stakeholder Pension -Ongoing technical & personal development training -Flexible Working Hours (start from 7am if you wish) -They plan to move to a 4-day week, every other week, from next year -A Purpose-Driven Culture More ❯

developer) and an infrastructure specialist - your ideas won’t just be heard, they’ll shape the future. Tech-Forward Culture: Embrace AI-assisted coding and testing tools to accelerate development, testing and deployment. A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, you’ll be solving real … on, stored procedures, DB design & maintenance) Strong experience with RESTful APIs, JSON and app integrations Git version control (or similar) HTML & CSS PowerBI reporting What You Bring Full software development lifecycle experience, including testing and documentation Strong debugging skills and a commitment to clean, maintainable code Effective communicator, with both technical and non-technical audiences Ability to work independently … support experience Salary & Benefits Salary: £40–51K basic + annual bonus (currently £4.5–6K), based on company performance 28 Days Annual Leave Life Assurance & Stakeholder Pension Ongoing technical & personal development training Flexible Working Hours (start from 7am if you wish) They plan to move to a 4-day week, every other week, from next year A Purpose-Driven Culture More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 – 18 months. They’re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in PHP Experience with Laravel or similar frameworks Confident in JavaScript, ideally Vue.js Knowledge of API development Experience with containerisation – Docker or Kubernetes Knowledge of system design and Architecture Understanding More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 – 18 months. They’re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in PHP Experience with Laravel or similar frameworks Confident in JavaScript, ideally Vue.js Knowledge of API development Experience with containerisation – Docker or Kubernetes Knowledge of system design and Architecture Understanding More ❯

PV, BESS, and SCADA/ModbAbout the Role My client is seeking a talented and innovative Software Engineer to join our growing renewable energy technology team, focused on the development, deployment, and maintenance of advanced software and hardware monitoring systems for our portfolio of large-scale solar PV and Battery Energy Storage System (BESS) projects across Southern Africa and … monitoring solutions. · Knowledge of renewable energy systems (solar PV, BESS, grid interconnection) and related data flows. · Familiarity with database design, real-time data processing, and analytics platforms. · Experience with API development and integration for third-party devices and systems. · Understanding of cybersecurity principles and secure software design. · Ability to work collaboratively with multidisciplinary teams and coordinate with on More ❯

across the team. You’ll Need: Proven experience with C# and/or Go in production environments Strong experience with SQL Server and modern database architecture RESTful and GraphQL API development Experience with distributed cloud systems – we use Kubernetes in GCP Deep understanding of software design patterns and architecture best practices Prior experience acting as a technical lead More ❯

across the team. You’ll Need: Proven experience with C# and/or Go in production environments Strong experience with SQL Server and modern database architecture RESTful and GraphQL API development Experience with distributed cloud systems – we use Kubernetes in GCP Deep understanding of software design patterns and architecture best practices Prior experience acting as a technical lead More ❯

across the team. You’ll Need: Proven experience with C# and/or Go in production environments Strong experience with SQL Server and modern database architecture RESTful and GraphQL API development Experience with distributed cloud systems – we use Kubernetes in GCP Deep understanding of software design patterns and architecture best practices Prior experience acting as a technical lead More ❯

TFS/Azure DevOps We are looking for an experienced Software Developer for a growing Software house. You’ll have the opportunity to work in a close-knit, collaborative Development Team, working on some complex projects, where problem solving is of high importance. To be considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and More ❯

TFS/Azure DevOps We are looking for an experienced Software Developer for a growing Software house. You’ll have the opportunity to work in a close-knit, collaborative Development Team, working on some complex projects, where problem solving is of high importance. To be considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design/development of user-facing applications Building reusable code libraries Testing, validation and More ❯

of cloud services Drive continuous improvement in technical standards, tools, and processes Translate business needs into technical requirements in collaboration with the Product Owner Oversee deployment and operations across development, testing, and production environments Collaborate with global teams in Australia and the U.S. to share insights and best practices Required Qualifications Strong expertise in cloud computing and services (AWS … experience preferred) Proficiency in TypeScript and REST API development (NestJS experience preferred) Deep understanding of cloud security principles, including IAM, networking, and encryption Experience with web services and microservices-based architectures Excellent communication skills, capable of bridging technical and non-technical stakeholders Familiarity with agile development methodologies; experience with Scrum is a plus Passion for continuous learning … and professional development Why Join Us? Work on cutting-edge cloud security solutions Collaborate with a diverse, global team Enjoy flexible working arrangements Be part of a culture that values innovation, growth, and impact Special Factors Vanguard is not offering sponsorship for this position This is a hybrid position and would require you to work in the London office More ❯

experienced Technical Lead (Java) to join a large-scale central government programme , supporting the delivery of high-quality, secure, and scalable digital services. You'll lead technical direction across development teams, ensuring best practice in software engineering, architecture, and delivery. This role requires hands-on Java expertise alongside the ability to mentor engineers and influence technical decisions across multiple … workstreams. Key Responsibilities Provide technical leadership and guidance to software engineering teams Define and implement best practices in software design, coding, testing, and deployment Lead the development of secure and scalable Java-based applications Collaborate closely with Product Managers, Architects, and Delivery Leads to ensure technical alignment Contribute to continuous improvement and innovation within a complex, multi-team environment … with experience designing and building enterprise-scale applications Proven experience as a Tech Lead or Senior Engineer in central government or large public sector programmes Solid understanding of microservices , API development , and integration patterns Experience with cloud environments (AWS, Azure, or similar) Knowledge of CI/CD pipelines , containerisation , and infrastructure as code principles Strong communication and stakeholder More ❯

products. Work with frontend engineers to integrate backend systems into user-facing applications. Lead architectural decisions and contribute to the evolution of AI infrastructure. Participate in the full software development lifecycle, from design through deployment and support. Mentor junior engineers and contribute to a culture of technical excellence. Support critical infrastructure through on-call rotations and incident response. Requirements … have expertise in Knowledge Graphs and Graph Databases (Neo4j preferred) Advanced proficiency in Python, including ML libraries (e.g., PyTorch, scikit-learn) Strong experience with distributed systems, data engineering, and API development Proficiency in both SQL and NoSQL databases Familiarity with Docker, Kubernetes, and CI/CD pipelines Experience integrating LLMs and RAG systems into production environments Familiarity with More ❯

clients. Youll work hands-on with Python, FastAPI, SQL, and orchestration tools, taking automation-generated code and making it production-ready. Youll also be a champion of AI-assisted development, helping to embed LLM-based workflows into day-to-day engineering processes. Key Responsibilities Build and enhance backend features and integrations (Python, FastAPI, gRPC, SQL). Extend auto-generated … and monitoring practices. Lead best practices for AI-assisted coding tools Collaborate closely with cross-functional teams including Data and Platforms About You Strong experience with Python backend and API development Skilled in SQL, data modelling, and workflow orchestration tools Daily user of AI-powered coding assistants, with a focus on efficiency and code quality Proven experience building More ❯