1 to 25 of 31 OpenAPI Jobs in England

Senior Java Software Engineer

Hiring Organisation
Synechron
Location
Sheffield, England, United Kingdom
Spring Cloud Function/Spring Cloud Stream for functional reactive pipelines Spring Retry, Spring Batch (desirable) RESTful API Development REST design principles, versioning, HATEOAS OpenAPI/Swagger specification and documentation API security: OAuth2, JWT, token verification Secure Coding Input validation, SQL injection prevention, XSS prevention Secrets management (Jasypt, Vault ...

Java Backend Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Experience working in Agile environments Current SC clearance , or willingness and eligibility to obtain it Desirable Skills OpenAPI/Swagger Kafka Kubernetes Liquibase or Flyway Observability and monitoring tools Gradle Exposure to React or TypeScript Candidate Profile Demonstrable experience building backend services ...

Software engineer

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
. Experience working in SCRUM/agile ways of working . Required Knowledge API standards and industry best practices , including: RESTful API design and OpenAPI specifications API security (OAuth 2.0, OpenID Connect, mTLS) Secure-by-design, zero-trust, resilience, and fault-tolerant patterns MCP, A2A, and AP2 protocols , including ...

Junior Software Engineer

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
support these applications, such as Docker, Kubernetes,ElasticSearch, log management systems, and Datadog APM, to name but a few API specifications, conforming to the OpenAPI (Swagger) standard, provide a clean boundary both externally between our customers and our product, and internally between our microservices SQL, and large SQL databases ...

Software Engineer

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
support these applications, such as Docker, Kubernetes,ElasticSearch, log management systems, and Datadog APM, to name but a few API specifications, conforming to the OpenAPI (Swagger) standard, provide a clean boundary both externally between our customers and our product, and internally between our microservices SQL, and large SQL databases ...

Senior Backend Java Engineer

Hiring Organisation
Sanderson
Location
London, UK
Employment Type
Full-time
Azure DevOps) Comfortable working in agile, cross-functional teams Has current SC clearance, or is willing and eligible to undergo SC clearance Desirable OpenAPI/Swagger Liquibase or Flyway Gradle Kafka Observability/monitoring experience Exposure to Kubernetes Some awareness of React/TypeScript What we need from candidates ...

Senior Backend Java Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £575 per day
Azure DevOps) Comfortable working in agile, cross-functional teams Has current SC clearance, or is willing and eligible to undergo SC clearance Desirable OpenAPI/Swagger Liquibase or Flyway Gradle Kafka Observability/monitoring experience Exposure to Kubernetes Some awareness of React/TypeScript What we need from candidates ...

Full Stack Developer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Power Platform (Power Apps, Power Automate, Power Pages, Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure ...

Senior Java Developer

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Kafka, SQS) Serverless technologies (e.g., AWS Lambda) Monitoring/logging tools (ELK, Splunk, Dynatrace) ORM technologies (JPA, Hibernate) API documentation tools (e.g., Swagger/OpenAPI) Test tools (Postman, Selenium, Axe) Exposure to AI-assisted development tools (e.g., GitHub Copilot) In return, you will be rewarded with a market leading ...

Backend Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
Employment Type
Full-time
have: Active Security Clearance (SC) Experience in coding-intensive environments (fintech, payments, digital banking, capital markets/trading) API specification using Swagger/OpenAPI Gradle build systems Liquibase (or similar) for database migrations/versioning Kafka or other event-streaming platforms React and TypeScript If you're interested ...

Backend Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
have: Active Security Clearance (SC) Experience in coding-intensive environments (fintech, payments, digital banking, capital markets/trading) API specification using Swagger/OpenAPI Gradle build systems Liquibase (or similar) for database migrations/versioning Kafka or other event-streaming platforms React and TypeScript If you're interested ...

Solutions Architect

Hiring Organisation
XCEEDANCE LIMITED
Location
City of London, London, United Kingdom
strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure to authentication frameworks like OIDC (Open Id Connect) and Authorisation frameworks OAuth2. Experience using Agile development methodologies. Desirable Skills Understanding ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
London, UK
Employment Type
Full-time
containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database Response Maintain and publish API documentation via Swagger/OpenAPI Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS) Collaborate with database, infrastructure, and QA teams for portal ...

Manchester or Leeds hybrid - Senior/Lead Java Consultant or Fullstack

Hiring Organisation
Tenth Revolution Group
Location
Manchester Area, United Kingdom
Leeds Nice to have Message queueing systems (Kafka, SQS) Serverless technologies (e.g., AWS Lambda) Monitoring tools (Dynatrace, ELK, Splunk) JPA/Hibernate Swagger/OpenAPI Testing tools (Selenium, Postman, etc.) Experience delivering end-to-end projects Benefits Annual bonus: approx. 5% Work from abroad: up to 4 weeks ...

Full Stack Software Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal supervision Experience building internal ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal supervision Experience building internal ...

Senior Python Developer

Hiring Organisation
Spencer Rose Ltd
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
performance, reliability, and maintainability. Python Back End development, primarily using FastAPI and modern API patterns. Strong understanding of RESTful API design, schema validation, and OpenAPI/Swagger. Experience working with messaging and eventing platforms such as Kafka, RabbitMQ, Azure Service Bus, MQTT, or similar. Cloud-native development experience ...

Senior Full Stack Developer

Hiring Organisation
Charles Jenson Recruitment Ltd
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
know when to use a relational schema and when to lean on NoSQL for speed and flexibility. Collaborator: You can design clean, documented APIs (OpenAPI/Swagger) that make life easy for your front-end partner. Agile Mindset: You enjoy a fast-paced environment where you can influence ...

Senior .NET Developer

Hiring Organisation
Charles Jenson Recruitment Ltd
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
know when to use a relational schema and when to lean on NoSQL for speed and flexibility. Collaborator: You can design clean, documented APIs (OpenAPI/Swagger) that make life easy for your front-end partner. Agile Mindset: You enjoy a fast-paced environment where you can influence ...

AWS Solution Architect - Integration Specialist

Hiring Organisation
Anson Mccade
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
They're Looking For Essential: Strong experience designing and delivering AWS-based integration solutions Expertise in API design and security (API Gateway, OAuth2, JWT, OpenAPI) Experience with event-driven architectures (SQS, SNS, Step Functions) Strong understanding of cloud-native development frameworks (e.g. Flask, FastAPI) Experience with Kubernetes ...

Lead Mulesoft Developer

Hiring Organisation
Hydrogen Group
Location
England, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 70,000 Annual
with MuleSoft Anypoint Platform and Mule 4 Expertise in DataWeave 2.0 Experience with API-led connectivity and building APIs using RAML and/or OpenAPI Background in enterprise integration projects (multi-system environments) Experience with integration patterns (event-driven, batch, streaming, orchestration) Knowledge of CloudHub (v2.0 preferred) and/ ...

AWS Solution Architect - Associate Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Hands-on experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling ...

Principal Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical foundation, including: Knowledge of blockchain data structures, networking principles, Layer 1/Layer 2, and interoperability protocols. Experience designing and integrating RESTful APIs, OpenAPI specifications, and cloud‐based architectures. Familiarity with IT and security protocols (TLS/SSL) and experience with data compliance, governance, and auditability. Proficiency ...