26 to 50 of 55 Permanent OpenAPI Jobs

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 ❯

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 ❯

are looking for the following experience: 5+ years' AWS integration experience, including secure deployments on Lambda and Kubernetes (EKS). Expertise in API design and security using API Gateway, OpenAPI, OAuth2, JWT, and service policies. Strong integration background with platforms like SAP, Salesforce, and Oracle ERP. Proficiency in Flask, FastAPI, or similar frameworks, deployed in cloud-native environments. Experience More ❯

developer experience across different industries Good understanding of GitOps Good understanding of Container deployments Good understating of CI/CD pipelines Demonstratable knowledge of the Public Cloud Working with OpenAPI specifications and APIs generally Linux system admin and network operations Desirable Good understanding of IP Networking IPv4 and IPv6 stack Awareness of Telco/ISP networking IP stack e.g. More ❯

develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an More ❯

develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an More ❯

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 (eg Swagger/OpenAPI), and testing tools (eg 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 ❯

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 ❯

years of professional software development experience. * Proficiency with C#, ASP.NET, JavaScript, HTMLS, WPF, Kendo UI, and Blazer. * Experience with Entity Framework and SQL Server. * Familiarity with Swagger/OpenAPI and Python/Dash. * Strong attention to detail and ability to follow technical direction. *Desirable Qualifications* * Experience with dashboards, reporting tools, or business analytics. * Exposure to cloud-hosted environments and 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 ❯

Fastify/NestJS) with clean, testable code. Architect greenfield systems: service boundaries, data models, REST APIs, event streams, CI/CD, observability, and runtime topology. Set API standards: versioning, OpenAPI/Swagger, pagination, error contracts, resiliency patterns (timeouts, retries, circuit breakers Own production readiness: SLOs, dashboards, alerting, runbooks; lead incidenttriage/bridge calls and drive blameless RCAs. Collaborate across … cases, scaling, operability, and cost; recommend pragmatic sequencing and trade-offs. Tech Stack You ll Work With Languages/Frameworks: Node.js, TypeScript, Express/Fastify/NestJS APIs: REST, OpenAPI/Swagger, OAuth2/OIDC, JWT Data: PostgreSQL/MySQL, NoSQL (MongoDB/DynamoDB), Redis cache Messaging/Streaming: Kafka/RabbitMQ (sagas, outbox, idempotency) Cloud & Platform: One major More ❯

Lead API strategy, design, development, and integration (REST/SOAP), including secure data exchange and governance. · Utilize integration/API management platforms (e.g., MuleSoft Anypoint), documentation tools (Swagger/OpenAPI), and validation tools (Postman); development experience with GitHub, PHP, Java, SQL, and Lucee ColdFusion preferred. · Analyze complex business processing problems; propose and implement systems integration solutions and automation of … modeling, security-by-design. · API & Integration Engineering: REST/SOAP, OAuth2/OpenID Connect, eventing, webhooks, schema versioning, error handling. · Platforms & Tools: MuleSoft (preferred) or similar iPaaS, Swagger/OpenAPI, Postman; Git/GitHub; CI/CD fundamentals. · Engineering Foundations: proficiency with one or more of PHP, Java, SQL; familiarity with Lucee ColdFusion a plus. · Cloud & Infra: experience across More ❯

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 ❯

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 ❯

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 ❯

and maintain AWS components and integrations to support our API services. Work extensively with API Gateway technologies, with a strong emphasis on Apigee . Develop and define APIs using OpenAPI specifications . Collaborate with platform architects and engineering teams to deliver seamless integration solutions. Utilise Git for source control and Jenkins/GitHub Actions for CI/CD pipelines. … re Looking For (Must-Haves): Strong development experience in Java and Node.js . Hands-on, professional experience with API Gateway technologies, especially Apigee . Proficiency in creating and managing OpenAPI specifications . Strong recent experience with Git and familiarity with Jenkins and/or GitHub Actions . Relevant database experience with MySQL and DynamoDB . Excellent collaboration and verbal More ❯

and maintain AWS components and integrations to support our API services. Work extensively with API Gateway technologies, with a strong emphasis on Apigee . Develop and define APIs using OpenAPI specifications . Collaborate with platform architects and engineering teams to deliver seamless integration solutions. Utilise Git for source control and Jenkins/GitHub Actions for CI/CD pipelines. … re Looking For (Must-Haves): Strong development experience in Java and Node.js . Hands-on, professional experience with API Gateway technologies, especially Apigee . Proficiency in creating and managing OpenAPI specifications . Strong recent experience with Git and familiarity with Jenkins and/or GitHub Actions . Relevant database experience with MySQL and DynamoDB . Excellent collaboration and verbal More ❯