1 to 25 of 993 API Development Jobs in the UK excluding London

protected veteran status. We are committed to building a supportive and inclusive environment for all employees. This is an office-based position. Responsibilities An API Architect leads the design of complex integration solutions, using deep technical expertise to shape high-performance systems. They play a key role in developing … with broader organizational objectives. This role requires significant leadership in driving integration strategy across the enterprise. Job Responsibilities : Strategic Alignment: Design and lead the development of enterprise API architectures that align with business goals and objectives. Work with leadership and stakeholders to ensure APIs align with organizational strategies … and meet evolving business needs. API Design & Development: Lead the design of robust, scalable, and high-performance APIs that integrate multiple internal systems. Establish API development best practices, including design patterns, error handling, authentication, and security mechanisms. Drive the adoption of API-first design principles More ❯

skilled AI Developer with expertise in .NET, C#, Python, Data Science, and Data Engineering. This role requires hands-on experience in AI solution integration, API development, data processing, and cloud-based data pipelines. A deep understanding of Microsoft's Semantic Kernel and enterprise-grade AI-powered application development … an innovative and collaborative new team. Gain continuous learning and career growth opportunities. Competitive compensation and benefits package. What you'll do: AI & Software Development: Design and maintain AI applications using .NET, C#, Python, and Microsoft's Semantic Kernel, ensuring high performance and scalability. Data Science & Engineering: Handle large … processing to support AI solutions. AI Solution Integration: Enhance enterprise applications with AI services like Azure OpenAI and Cognitive Services for automation and analytics. API Development: Create secure and efficient RESTful APIs for AI and enterprise applications, deploying solutions using Azure services (AKS, Azure Container Apps). Version More ❯

responsible for developing and maintaining Neuronetics product and non-product software. The position requires working with a team of both contract and in-house development and test personnel. Job duties include the development of new features, writing unit and automation tests, debugging software issues reported from the field … and assisting with the creation of requirement and design documentation. Essential Duties/Responsibilities: Development of new product software features. This can involve UI/UX development, API development, and/or backend framework updates. Analyze field reported issues and troubleshoot complex software issues. Development … Excellent knowledge of software and application design and architecture. Strong experience with C# and the .NET framework. Strong knowledge/experience with Windows Desktop Development (WPF) using the .NET platform. Experience with Microsoft SQL Server. Ability to prototype development for new technologies. Strong interpersonal skills. Ability to work More ❯

help us create some awesome digital experiences for our customers. You should be an experienced developer who is comfortable with MVC, ASP.NET Core, Microservices, API Development and be familiar with associated front-end aspects of HTML, JavaScript, and CSS. You should have exposure working in an agile team … What Do You Need To Bring To The Table: Must Have: Commercial experience developing web applications with C# and ASP.NET Core Commercial experience of API development Commercial experience of integrating with Microservices Competency with version control (e.g. BitBucket) Competency with Deployment tools (e.g. Octopus Deploy, Azure DevOps or … similar CI/CD tools) Nice To Have: Experience working in an agile environment Ideally some full-stack development using HTML, JavaScript, CSS Experience in Cloud (Azure or AWS) development Experience in writing Microservices Competency with either Monolithic or Headless CMS (e.g. Kentico Xperience/Kontent, Umbraco, Sanity More ❯

Job summary Are you passionate about automation, low-code development, and digital transformation ? Do you want to develop innovative solutions that improve efficiency and user experience? We are looking for a Digital Automation & Low-Code Developer to join our People Scaling team , focusing on automating HR and workforce processes … . You will be responsible for designing, developing, and maintaining workflow automation, RPA (Robotic Process Automation), API integrations, and AI-powered solutions using Microsoft Power Automate, Power Apps, and related technologies . This role is hands-on and technical , perfect for someone who thrives in problem-solving, solution development … of the job Key Responsibilitieso Develop automation workflows using Microsoft Power Automateo Build low-code applications with Power Apps for HR & workforce processeso Design API integrations for seamless system connectivity (ESR, ATS, LMS, payroll)o Implement AI-driven automation to enhance efficiencyo Create self-service portals, digital forms, and More ❯

+ Bonus + Excellent Benefits Hybrid/West Yorkshire Looking for your next step as a Senior Developer with strong API expertise? This well-established organisation is investing heavily in tech and needs a confident engineer to help lead the way with their cloud-first, microservices-based systems. You … ll be involved in shaping development standards, mentoring others, supporting third-line issues, and leading the design of scalable, secure APIs using .NET and Azure. What you'll be doing: Leading API development and integration work in a microservices environment Designing and delivering .NET-based services that … are reliable, secure, and scalable Setting and maintaining development standards across the team Working closely with stakeholders to understand requirements and troubleshoot issues Taking ownership of solution design, technical documentation, and governance Keeping an eye on innovation and emerging tech to improve systems and services Tech stack and experience More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯

Data Architecture: Design and implement data solutions using Azure SQL, Synapse, Data Lake, and Data Factory (ADFv2). System Integration: Lead the migration and development of scalable integration frameworks; build robust ETL/ELT pipelines. Infrastructure: Ensure data infrastructure is high-performing, secure, and future-proof using native Azure … services. API Development: Develop APIs and web services (.NET/C#) to support secure data exchange and third-party connectivity. Customer-Facing Collaboration: Engage directly with customers to scope, define, and deliver integration solutions. Performance & Optimisation: Continuously improve reliability, speed, and observability of existing data pipelines. Documentation: Maintain … roles, ideally within SaaS or cloud-native environments. Strong Azure background: Data Factory, Synapse, SQL, Data Lake, Event Grid, etc. Hands-on with modern API development (REST, SOAP) and data formats (JSON, XML). Experience building and scaling system integrations. Proficient in .NET/C# (desirable). Familiarity More ❯