Contract OpenAPI Jobs in England

4 of 4 Contract OpenAPI Jobs in England

Senior Front End Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
FDM Group
willingness to undergo Non-Police Personnel Vetting (NPPV3) Proven experience across the full software development lifecycle Strong front-end development skills, with a particular specialism in React Experience implementing OpenAPI specifications and developing mock services Ability to lead a development team and coordinate the work of junior developers and designers Practical coding experience in live projects — ideally as a More ❯
Employment Type: Contractor
Rate: £50,000 - £60,000 per annum
Posted:

Business Systems Analyst

London, United Kingdom
Pontoon
services, payments, or fintech environment. Strong knowledge of API-based systems (REST, JSON, XML) and how to document and validate API requirements. Familiarity with tools like Postman, Swagger/OpenAPI, or similar for API analysis and testing. Experience working with Agile methodologies (SAFe preferred) and tools like Jira or Rally. Knowledge of systems development life cycles (waterfall, Agile, hybrid More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Business Systems Analyst

London, South East, England, United Kingdom
Pontoon
services, payments, or fintech environment. Strong knowledge of API-based systems (REST, JSON, XML) and how to document and validate API requirements. Familiarity with tools like Postman, Swagger/OpenAPI, or similar for API analysis and testing. Experience working with Agile methodologies (SAFe preferred) and tools like Jira or Rally. Knowledge of systems development life cycles (waterfall, Agile, hybrid More ❯
Employment Type: Contractor
Rate: £650 - £700 per day
Posted:

Integration Lead

City, London, United Kingdom
Alexander Mann Solutions - Public Sector Resourcing
in a multi-supplier environment. Key Responsibilities . Lead the design and implementation of scalable integration solutions across enterprise systems. . Define and enforce API design standards (RESTful APIs, OpenAPI) and integration best practices. . Collaborate with cross-functional teams to map data flows and ensure accurate data transformation. . Evaluate and implement integration tools (API gateways, message brokers … a focus on root cause analysis. . Continuously assess and improve integration performance, scalability, and reliability. Essential skills . In-depth knowledge of API design principles including RESTful APIs, OpenAPI, and JSON/XML schemas. . Strong understanding of data mapping techniques and transformation logic. . Hands-on experience with integration technologies such as MuleSoft, Apache Kafka, Azure Logic More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:
OpenAPI
England
10th Percentile
£413
25th Percentile
£461
Median
£530
75th Percentile
£548
90th Percentile
£663