1 to 25 of 26 OpenAPI Jobs in the South East

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 ❯

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 ❯

environments Proven experience building complex SPAs with modern routing and state management Deep understanding of browser APIs, performance optimization, and responsive design Familiarity with Vite, pnpm, Git workflows, and OpenAPI integration via tools like Orval Experience with WebSockets, real-time data handling, and secure API communication Strong communication skills and ability to mentor and influence frontend standards This role More ❯

/Server) - highly preferred Preferred Qualifications • Knowledge of SignalR for real-time web applications • Experience with Azure cloud services and deployment pipelines • Familiarity with enterprise-scale applications • Experience with OpenAPI code generation tools • Knowledge of accessibility standards (WCAG) Business Domain Knowledge • Understanding of trading platforms and financial dashboards • Experience with data-heavy applications and reporting interfaces • Knowledge of compliance More ❯

/Server) - highly preferred Preferred Qualifications • Knowledge of SignalR for real-time web applications • Experience with Azure cloud services and deployment pipelines • Familiarity with enterprise-scale applications • Experience with OpenAPI code generation tools • Knowledge of accessibility standards (WCAG) Business Domain Knowledge • Understanding of trading platforms and financial dashboards • Experience with data-heavy applications and reporting interfaces • Knowledge of compliance More ❯

/Server) - highly preferred Preferred Qualifications • Knowledge of SignalR for real-time web applications • Experience with Azure cloud services and deployment pipelines • Familiarity with enterprise-scale applications • Experience with OpenAPI code generation tools • Knowledge of accessibility standards (WCAG) Business Domain Knowledge • Understanding of trading platforms and financial dashboards • Experience with data-heavy applications and reporting interfaces • Knowledge of compliance 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 ❯

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 ❯

Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL databases , including partitioning, indexing, and horizontal scaling strategies Secure and optimise infrastructure using Docker, AWS, and infrastructure-as-code (IaC) tools More ❯

Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL databases , including partitioning, indexing, and horizontal scaling strategies Secure and optimise infrastructure using Docker, AWS, and infrastructure-as-code (IaC) tools 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯