1 to 25 of 35 OpenAPI Jobs in the UK excluding London

Cloud technologies. Containerisation (Docker/Kubernetes) and microservice architectures. Front-end frameworks (WPF and React). Database technologies. Test automation tools such as Playwright. Common API technologies such as OpenAPI, REST/HTTP, WebSocket, SignalR. GitHub and CoPilot. CI/CD. Basic Requirements What You Bring: Strong skills in at least one object-oriented language (C# or C++ preferred More ❯

track your work. High competency in written and oral English language. Desirable Experience with issue and fault management systems. Knowledge and experience of how to integrate with and build OpenAPI/gRPC based systems. Experience building sophisticated plots/charting (Plotly, Matplotlib) and reporting systems (PowerBI). Experience of failure prediction/MTBF analysis. Experience with Manufacturing Resource Planning More ❯

track your work. High competency in written and oral English language. Desirable Experience with issue and fault management systems. Knowledge and experience of how to integrate with and build OpenAPI/gRPC based systems. Experience building sophisticated plots/charting (Plotly, Matplotlib) and reporting systems (PowerBI). Experience of failure prediction/MTBF analysis. Experience with Manufacturing Resource Planning More ❯

code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

distributed systems, and networking fundamentals * Ideally Hands-on with AWS (IAM, ECS/EKS, S3, RDS/DynamoDB, networking) and Kubernetes * Experience designing REST/gRPC APIs; protobuf/OpenAPI familiarity * Proficiency with SQL (Postgres/MySQL) and a NoSQL/Key-Value store (e.g., DynamoDB/Redis) * CI/CD (GitHub Actions/GitLab/CircleCI), automated testing More ❯

containerized deployments Required Technical Skills • 5+ years of experience with .NET development (C#, ASP.NET Core) • Strong experience with Entity Framework Core and PostgreSQL • Proficiency in RESTful API design and OpenAPI/Swagger documentation • Experience with authentication systems (OAuth2, JWT, Azure AD) • Knowledge of containerization (Docker) and Kubernetes/OpenShift • Experience with background job processing and scheduled tasks • Understanding of More ❯

improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka · Data Storage - MongoDB/Mongoose · Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS · Security More ❯

improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka · Data Storage - MongoDB/Mongoose · Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS · Security More ❯

improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka · Data Storage - MongoDB/Mongoose · Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS · Security More ❯

Experienced developer with strong Microsoft Azure skills, including Storage, Networking, App Services, Key Vault, and Scripting with Azure CLI. Proficient in C#, SQL, PowerShell, and familiar with APIs like OpenAPI, OAuth, and GraphQL. Strong problem-solving skills, proactive, and committed to building reliable, secure, and maintainable systems. Good understanding of security, compliance, and agile delivery practices. Passionate about learning More ❯

Building front-end applications with Angular and developing RESTful APIs/Web APIs Implementing Behaviour-Driven Development (BDD) using SpecFlow API testing and validation with Postman Implementing and maintaining OpenAPI specifications Database experience: MS SQL Server (SQL) MongoDB (NoSQL) Containerization and deployment using Docker Location: BuckinghamshireSalary: £65,000 - £75,000C# - .Net - Angular - CI/CD - AWS - Postman - Docker - Rest More ❯

of a Technical Lead. More senior grades - Proven leadership and coaching skills. Required Technical Skills: Java, Spring Boot, Junit Optional Technical Skills: JPA, Kibana, Maven, Mockito, AWS, GitLab, Helm, OpenAPI, SQL, Shell Scripting Working Environment: Hybrid working model with team days in the office as appropriate. Collaborative environment with opportunities to influence and improve processes. Agile principles with a More ❯

in: .NET (C#) Unit & integration testing CI/CD pipeline development (GitHub or similar) AWS services (IAM, Lambda, API Gateway) Angular, REST APIs, Web API development SpecFlow (BDD), Postman, OpenAPI MS SQL Server (SQL) & MongoDB (NoSQL) Docker Experience with CQRS and Event Bus architecture is highly desirable Responsibilities for Software Engineering Team Leader Lead, mentor, and support a team More ❯

development (ideally using Golang). This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

development (ideally using Golang). This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

development (ideally using Golang). This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas More ❯

logging and alerting tools. What We're Looking For 5+ years of AWS integration experience, including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience with event-driven patterns and AWS More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯