Java – High-level proficiency Familiarity with relational SQL databases, ideally PostgreSQL Docker TDD – Junit/Mockito or similar testing libraries MUST have transferrable DV clearance Desirable Skills: API Spec (SwaggerOpenAPI) Gradle Liquibase Kafka React Typescript Previous government project experience with HMRC, HMPO or Home Office More ❯
+Practical experience working with AWS cloud environments (e.g., EC2) and a solid understanding of container orchestration using Kubernetes (K8s). +Extensive background in developing RESTful APIs, including OpenAPI/Swagger-driven interface design and implementation. +Familiar with CI/CD practices, pipeline automation, and test-driven development approaches. +Strong command of SQL databases, including schema migrations (e.g., Flyway), data More ❯
software development of complex software systems Expertise with Python for webservices (django) and scripting Expertise in Linux (Ubuntu, RHEL, CENTOS/AL3) Expertise with API concepts like REST/SWAGGER/JSON/YAML Experience with build and deploy technologies like K8S, docker, jenkins, helm, terraform Experience with test automation languages/frameworks: Cucumber, Gherkin, Behave Computer Science or More ❯
cross-browser automation libraries Experience with JSforce or other Salesforce API libraries Experience in SOQL language is a plus Experience with market tools: REST-assured, Postman, SoapUI, CA DevTest Swagger Hub > SoapUI Pr Experience automating API testing and extensive knowledge of creating and leveraging mocks, stubs, and virtual services to fulfill test automation requirement Major plus with direct experience More ❯
cross-browser automation libraries Experience with JSforce or other Salesforce API libraries Experience in SOQL language is a plus Experience with market tools: REST-assured, Postman, SoapUI, CA DevTest Swagger Hub > SoapUI Pr Experience automating API testing and extensive knowledge of creating and leveraging mocks, stubs, and virtual services to fulfill test automation requirement Major plus with direct experience More ❯
acting as a technical lead Proficiency in Azure App Service, Container Services, and CI/CD pipelines Solid understanding of REST APIs, JSON, and microservice architecture Familiarity with Docker, Swagger/OpenAPI, and modern development practices Excellent communication and stakeholder management skills You'll join an environment that values autonomy, innovation and technical excellence, with the freedom to influence More ❯
understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker Strong analytical skills Self-starter, fast learner, and great interpersonal skills Excellent English communication skills – spoken and written Financial affinity is More ❯
understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker Strong analytical skills Self-starter, fast learner, and great interpersonal skills Excellent English communication skills – spoken and written Financial affinity is More ❯
and Kubernetes. Implementation experience with Microservices using Spring Boot and CI/CD tools Jenkins, Kubernetes Proficiency in SQL and experience with RDBMS like Oracle or MySQL Experience in Swagger, Maven, Eclipse, GIT, Postman/Newman Experience with Google Cloud Platform (GCP) infrastructure Hands-on experience with GCP products: Cloud Run, Terraform, Big Data, BigQuery Knowledge of JWT mechanisms More ❯
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 SOLID principles More ❯
experience delivering secure, scalable, high-quality services in production. Hands-on with JPA2, Hibernate, and MySQL 8 (InnoDB). Strong understanding of REST API design (JAX-RS, RESTEasy, OpenAPI, Swagger). Experience building fault-tolerant, multi-threaded systems and working with load balancing concepts. Familiarity with CI/CD, automation, and Behavioural Driven Development (BDD). Comfortable deploying applications More ❯
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 like Terraform More ❯
mocking frameworks and integration testing Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway Experience of deploying and using industry standard development tools including Swagger, Jenkins About You You will have a strong desire to work in a start-up/scale-up environment with a delivery focused approach to problem solving. You will More ❯
City of London, London, United Kingdom Hybrid/Remote Options
My Finance Club
mocking frameworks and integration testing Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway Experience of deploying and using industry standard development tools including Swagger, Jenkins About You You will have a strong desire to work in a start-up/scale-up environment with a delivery focused approach to problem solving. You will More ❯
edinburgh, central scotland, united kingdom Hybrid/Remote Options
BlackRock
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, and event More ❯
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, and event More ❯
agile environment with others Experience with JavaScript, Python, Go or other server-side scripting languages Front-end web development concepts including calling and testing APIs and implementations such as swagger and JSON/XML serialization. Full stack web development and deployment of modern application using Vue.js, React or related frameworks. Candidate should have hands on experience in UI components More ❯
IBAM Consulting ★ A Sunday Times 100 Best Small Company
knowledge and experience of developing and consuming RESTful web services including GraphQL as well as knowledge of API Security, Azure Functions and experience with tools such as Postman and Swagger Familiarity of Content Management System design principles and best practices, preferably using Sitecore CMS Experience with Azure native architectures, Microservice architecture, Message Queuing and Integration Services e.g. APIM Solid More ❯
Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking More ❯
Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking More ❯
and quality (e.g. ISO 9001, ISO 13485, IEC 62304). Strong written communication and analytical reasoning skills. Nice to Have Experience with DICOM/DICOMWeb imaging workflows. Familiarity with Swagger, OAuth2/OpenID, and containerised environments. Experience with headless testing frameworks such as Selenium, Puppeteer, or Playwright. Experience with CI/CD test automation, Git, and Atlassian tools (Jira More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Motilent
and quality (e.g. ISO 9001, ISO 13485, IEC 62304). Strong written communication and analytical reasoning skills. Nice to Have Experience with DICOM/DICOMWeb imaging workflows. Familiarity with Swagger, OAuth2/OpenID, and containerised environments. Experience with headless testing frameworks such as Selenium, Puppeteer, or Playwright. Experience with CI/CD test automation, Git, and Atlassian tools (Jira More ❯
Telford, Shropshire, England, United Kingdom Hybrid/Remote Options
TXP Technology x People
Java Developer - Inside IR35 (2 Days On-site, Telford) Contract | Central Government Project | Hybrid Working Must be able to obtain SC We're seeking an experienced Java Developer to join a high-performing delivery team within a large-scale central More ❯
and CI/CD pipelines Familiarity with OAuth, JWT, and API security principles Nice to Have: Knowledge of event-driven architectures, API gateways, or Azure API Management Experience with Swagger/OpenAPI Understanding of AI or automation integrations Join a company where engineering excellence drives innovation in the Fintech space. More ❯
and observability improvements - Mentor engineers and influence architecture across multiple teams What you bring: - Deep C#/.NET experience in production systems - Strong REST API design + OpenAPI/Swagger knowledge - SQL expertise + cloud experience with Azure services - Security-first engineering mindset (sensitive data handling) - Ownership across the lifecycle — design → build → deploy → run If this sounds like the More ❯