OpenAPI Jobs in the UK

26 to 50 of 57 OpenAPI Jobs in the UK

Lead API Solution Architect

London, South East, England, United Kingdom
Venn Group
banking or regulated financial environments. Working knowledge of payments, KYC, lending, trading, or regulatory reporting. Familiarity with Open Banking standards and financial API ecosystems. Strong understanding of REST, JSON, OpenAPI, and event-driven integration. Experience with API platforms such as Azure API Management or Apigee . Knowledge of secure messaging and integration tools (e.g. Kafka, IBM MQ). Experience More ❯
Employment Type: Contractor
Rate: £650 - £1,000 per day
Posted:

Lead API Solution Architect - Financial Services / Banking

London, United Kingdom
Adecco
and cloud systems Maintain compliance with financial regulations Monitor and optimise API performance and developer experience Experience Required: Proven leadership in large-scale API programmes Expertise in REST, OAuth2, OpenAPI, and API security Familiarity with banking processes and Open Banking standards Cloud (Azure/GCP), CI/CD, and integration tools (Kafka, IBM MQ) Strong stakeholder management and strategic More ❯
Employment Type: Contract
Posted:

Lead API Solution Architect - Financial Services / Banking

London, South East, England, United Kingdom
Adecco
and cloud systems Maintain compliance with financial regulations Monitor and optimise API performance and developer experience Experience Required: Proven leadership in large-scale API programmes Expertise in REST, OAuth2, OpenAPI, and API security Familiarity with banking processes and Open Banking standards Cloud (Azure/GCP), CI/CD, and integration tools (Kafka, IBM MQ) Strong stakeholder management and strategic More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Data Analyst

United Kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Analyst

London Area, United Kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Posted:

Data Analyst

City of London, London, United Kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Posted:

Data Analyst

South East, United Kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Analyst

london, south east england, united kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Posted:

Data Analyst

slough, south east england, united kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Posted:

Data Analyst

london (city of london), south east england, united kingdom
Computappoint
data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows, and system integration. Services offered More ❯
Posted:

Microsoft Teams Developer

London, South East, England, United Kingdom
Jonothan Bosworth
Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . Experience with Microsoft Teams app development or Microsoft 365 integrations . Familiarity with OpenAPI/Swagger , Postman , and developer documentation . Exposure to Infrastructure as Code (Bicep, Terraform, ARM) . Version control and CI/CD using Azure DevOps or GitHub . Bonus More ❯
Employment Type: Contractor
Rate: £200 - £500 per day
Posted:

Integration Developer

Reading, Berkshire, England, United Kingdom
Tank Recruitment
logging, monitoring, and observability practices. Fluent in English - comfortable working with global stakeholders and clients. Bonus Skills Experience integrating with financial or ERP systems . Knowledge of Swagger/OpenAPI documentation for public APIs. Familiarity with Azure services and automation tools such as Power Automate or Zapier . Exposure to IoT or Telematics platforms . Awareness of ISO More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Data Analyst - Integrations

London, South East, England, United Kingdom
Precise Placements
architectural standards and best practices. Key Skills & Experience: Proven experience in a Data Analyst or similar technical role. Strong hands-on experience with RESTful API design , documentation (Swagger/OpenAPI), and testing tools (e.g. Postman). Proficiency in SQL and scripting languages such as Python or R . Solid understanding of data modelling, ETL processes , and system integration . More ❯
Employment Type: Full-Time
Salary: £60,000 - £65,000 per annum
Posted:

Integration Developer

Maidenhead, England, United Kingdom
MCS Rental Software
documentation. Experience with monitoring, logging , and maintaining observable integration environments. Desirable Experience Prior experience integrating with financial or ERP systems. Hands-on development of Open APIs with Swagger/OpenAPI documentation. Familiarity with Azure services and cloud-based automation tools (e.g., Power Automate, Zapier). Exposure to IoT or Telematics platforms and data handling. Awareness of standards like ISO More ❯
Posted:

Integration Developer

reading, south east england, united kingdom
MCS Rental Software
documentation. Experience with monitoring, logging , and maintaining observable integration environments. Desirable Experience Prior experience integrating with financial or ERP systems. Hands-on development of Open APIs with Swagger/OpenAPI documentation. Familiarity with Azure services and cloud-based automation tools (e.g., Power Automate, Zapier). Exposure to IoT or Telematics platforms and data handling. Awareness of standards like ISO More ❯
Posted:

Senior Data Engineer

Scotland, United Kingdom
Hybrid / WFH Options
Bright Purple Resourcing
and structured/unstructured datasets Applying your industry know-how within financial data to ensure continual product development Tech youll work with: Functional programming i.e. Ruby, Python, Elixir PostgreSQL OpenAPI integrations Various data streaming and processing tools Whats in it for you: Fully remote working Flexible hours Trust and ownership Chance to build the future of financial data platforms More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Data Engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Hybrid / WFH Options
Bright Purple Resourcing
and structured/unstructured datasets Applying your industry know-how within financial data to ensure continual product development Tech youll work with: Functional programming i.e. Ruby, Python, Elixir PostgreSQL OpenAPI integrations Various data streaming and processing tools Whats in it for you: Fully remote working Flexible hours Trust and ownership Chance to build the future of financial data platforms More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Technical Analyst

London, United Kingdom
Hybrid / WFH Options
Adecco
independently, take initiative, and deliver results in a fast-paced environment. Excellent stakeholder communication and workshop participation skills. Experience with relevant standards and technologies such as: -REST APIs, JSON, OpenAPI specifications -OBIE (Open Banking Implementation Entity) -Berlin Group Standards -ISO 20022 messaging formats Candidates will need to show evidence of the above in their CV in order to be More ❯
Employment Type: Contract
Rate: £400 - £500/day
Posted:

Technical Analyst

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
independently, take initiative, and deliver results in a fast-paced environment. Excellent stakeholder communication and workshop participation skills. Experience with relevant standards and technologies such as: -REST APIs, JSON, OpenAPI specifications -OBIE (Open Banking Implementation Entity) -Berlin Group Standards -ISO 20022 messaging formats Candidates will need to show evidence of the above in their CV in order to be More ❯
Employment Type: Contractor
Rate: £400 - £500 per day
Posted:

Senior API Engineer - AI Integration Team

Belfast, United Kingdom
Bright Software Group
Development & Integration Build production-grade APIs using C# .NET, SQL, and Azure services Develop event-driven architectures and asynchronous communication patterns where appropriate Ensure APIs are well-documented using OpenAPI/Swagger standards Build and maintain a developer portal for internal and external API consumers Quality & Operations Implement comprehensive observability including logging, monitoring, and alerting Design for reliability, fault … similar services Authentication & authorization expertise with OAuth 2.0, JWT, API keys, and modern security patterns Testing mindset - you write unit tests and understand integration testing API documentation experience using OpenAPI/Swagger and maintaining developer portals Production systems mindset covering observability, reliability, and operational excellence Architectural thinking - ability to design systems for scale, security, and evolution Desirable Skills and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Writer, Aladdin Product, Vice President

edinburgh, central scotland, united kingdom
Hybrid / WFH Options
BlackRock
and real-time data integration patterns. Design and implement content structures that scale across multiple APIs, microservices, and event channels within Aladdin Studio. Contribute to tooling and automation, using OpenAPI/AsyncAPI specs and CI/CD pipelines to generate and version developer documentation. Partner with Studio Product Marketing and Solution Architecture teamto create onboarding materials, sample code, and … Engineer focused on APIs or event-driven systems. Deep understanding of RESTful and event-streaming architectures (Kafka, Kinesis, or similar). Proven experience writing API and developer documentation using OpenAPI/Swagger or AsyncAPI specifications. Hands-on familiarity with developer tooling such as Git, Postman, Redocly, or similar platforms. Strong grasp of cloud-based integration concepts, including authentication, webhooks More ❯
Posted:

API Engineer

Belfast, United Kingdom
Bright Software Group
third-party integrations Build production-grade APIs using C# .NET, SQL, and Azure services Implement authentication and authorization using OAuth and modern security patterns Create well-documented APIs using OpenAPI/Swagger standards Contribute to building and maintaining a developer portal for API consumers Quality & Operations Write clean, maintainable, well-tested code with comprehensive documentation Implement logging, monitoring, and … Experience Experience building APIs for third-party integrations or external partners Exposure to Supabase or similar backend-as-a-service platforms Knowledge of API documentation tools like Swagger/OpenAPI Understanding of API gateways or Azure API Management Experience with event-driven patterns or message queues Familiarity with DevOps practices and CI/CD pipelines Understanding of rate limiting More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Writer, Aladdin Product, Vice President

United Kingdom
Hybrid / WFH Options
LGBT Great
and real-time data integration patterns. Design and implement content structures that scale across multiple APIs, microservices, and event channels within Aladdin Studio. Contribute to tooling and automation, using OpenAPI/AsyncAPI specs and CI/CD pipelines to generate and version developer documentation. Partner with Studio Product Marketing and Solution Architecture team to create onboarding materials, sample code … Engineer focused on APIs or event-driven systems. Deep understanding of RESTful and event-streaming architectures (Kafka, Kinesis, or similar). Proven experience writing API and developer documentation using OpenAPI/Swagger or AsyncAPI specifications. Hands-on familiarity with developer tooling such as Git, Postman, Redocly, or similar platforms. Strong grasp of cloud-based integration concepts, including authentication, webhooks More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

Milton Keynes, England, United Kingdom
Addition+
Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems, and helping engineering teams deliver More ❯
Posted:

Full Stack Engineer

northampton, midlands, united kingdom
Addition+
Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems, and helping engineering teams deliver More ❯
Posted:
OpenAPI
10th Percentile
£33,750
25th Percentile
£44,063
Median
£63,750
75th Percentile
£75,000
90th Percentile
£77,500