1 to 25 of 242 API Development Jobs in the North of England

+ 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 ❯

and industry trends. Ensure compliance with UK regulations (UK-GDPR, PCI-DSS, FCA Conduct Rules). Key Skills: 10+ years of experience in software development, with at least 3 years in an architect or technical lead role. Proven expertise in designing and building high-traffic, transactional E-Commerce platforms. … Strong experience with C#, .NET, Java, JavaScript frameworks (AngularJS, jQuery). Proficiency in API development (REST, SOAP, LDAP) with data formats like JSON & XML. Knowledge of relational (MS SQL Server) and document-oriented databases (Oracle Endeca). Experience in secure web and API development, including OWASP 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 ❯