1 to 25 of 43 OpenAPI Jobs in England

Developer Enablement, Technical Architect – Release on Demand (SVP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tooling, release management platforms, or CI/CD pipeline architecture* Familiarity with ServiceNow integrations or ITSM workflow automation* Contract-first API design, such as OpenAPI/Swagger* Understanding of containerisation (Docker) and orchestration (Kubernetes)* Familiarity with CI/CD tools and automated deployments: Tekton, Harness or equivalent* Familiarity with ...

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
throughput and low latency. Knowledge of scalability patterns including horizontal scaling, load balancing, and auto-scaling. API & Integration RESTful API design GraphQL gRPC WebSockets OpenAPI/Swagger API versioning strategies Third-party system integrations Databases Experience with both SQL and NoSQL databases: PostgreSQL MySQL MongoDB Redis Elasticsearch Strong understanding ...

Principal Java Engineer

Hiring Organisation
Jobleads-UK
Location
Wallingford, England, United Kingdom
Framework 6/Spring Boot 3.5 Hibernate ORM 6.6+, JPA Apache Tomcat 11, IntelliJ IDEA AI Tooling (Claude, Codex, Gitlab Duo, etc) REST APIs, OpenAPI, Microservices, Event-driven architecture (RabbitMQ) Containers, Docker, AWS, Linux CI/CD with GitLab Pipelines & Jenkins Observability: logging, metrics and monitoring MySQL, Apache Solr ...

Software Engineer (DV Security Clearance)

Hiring Organisation
CGI
Location
Manchester, United Kingdom
Employment Type
Full Time
must have proven technical skills in at least one (ideally several) of the following: • Containerisation/Container Security; • Microservice Architectures; • API Development, REST, Swagger, OpenAPI, gRPC; • Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); • Cloud native Apps, Kubernetes, OpenShift, MicroK8s; • Infrastructure ...

Software Engineers (DV Security Clearance)

Hiring Organisation
CGI
Location
Gloucestershire, United Kingdom
Employment Type
Full Time
must have proven technical skills in at least one (ideally several) of the following: • Containerisation/Container Security; • Microservice Architectures; • API Development, REST, Swagger, OpenAPI, gRPC; • Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); • Cloud native Apps, Kubernetes, OpenShift, MicroK8s; • Infrastructure ...

Principal Java Engineer

Hiring Organisation
Jobleads-UK
Location
Wallingford, England, United Kingdom
Framework 6/Spring Boot 3.5 Hibernate ORM 6.6+, JPA Apache Tomcat 11, IntelliJ IDEA AI Tooling (Claude, Codex, GitLab Duo, etc.) REST APIs, OpenAPI, Microservices, Event‐driven architecture (RabbitMQ) Containers, Docker, AWS, Linux CI/CD with GitLab Pipelines & Jenkins Observability: logging, metrics and monitoring MySQL, Apache Solr ...

Senior Data Engineer (SC Cleared)

Hiring Organisation
TechNET IT Recruitment Ltd
Location
England, United Kingdom
pipeline, performance and reliability issues Active SC clearance OR BPSS Desirable Skills Experience working in DDaT-aligned digital delivery environments Experience with Swagger/OpenAPI Understanding of API security, including tokens, API keys and OAuth Experience with Git and modern engineering workflows Experience improving data quality, observability and monitoring ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search Technologies Relational Databases ...

Senior Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search Technologies Relational Databases ...

Software Engineer

Hiring Organisation
Searchability NS&D
Location
Cheltenham, England, United Kingdom
more backend programming languages such as Rust, Python, or Go. A solid understanding of software engineering principles, including MVVM, UDF, RESTful APIs, OpenAPI, and common data structures. Experience using Docker for containerisation. Knowledge of DevOps practices, including CI/CD pipelines and automated testing. Strong communication and teamwork skills. ...

Java Engineers & Consultants

Hiring Organisation
Hays Technology
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum £45,000-£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 ...

Sr. Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tools (Terraform, Docker, Kubernetes, etc.). Experience working with data exports, reporting systems, or data streaming. Experience improving developer experience around APIs (e.g. OpenAPI, Swagger, static site generators). Familiarity with authentication, API gateways, and rate limiting strategies. Experience in compliance standards for APIs and data handling. Experience with ...

Full Stack Software Engineer (Golang/Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
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 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Junior Data Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
London Area, United Kingdom
Aurora PostgreSQL Basic understanding of data modelling techniques Familiarity with data warehousing concepts Experience integrating third-party or internal APIs Familiarity with Swagger/OpenAPI Awareness of API security, including tokens, API keys and OAuth Exposure to Git Understanding of Agile delivery principles Experience Required 3+ years’ experience ...

Junior Data Engineer (SC Cleared)

Hiring Organisation
TechNET IT Recruitment Ltd
Location
England, United Kingdom
Aurora PostgreSQL Basic understanding of data modelling techniques Familiarity with data warehousing concepts Experience integrating third-party or internal APIs Familiarity with Swagger/OpenAPI Awareness of API security, including tokens, API keys and OAuth Exposure to Git Understanding of Agile delivery principles Experience Required 3+ years’ experience ...

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
technical direction within your team Required Skills and Experience Full‐stack experience across JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & orchestration (Docker, Kubernetes, OpenShift) Infrastructure as code (Terraform, Ansible) Relational databases (e.g. PostgreSQL) Elasticsearch/OpenSearch Unit ...

Senior Solutions Engineer

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer-facing ...

Python Software Engineer

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 Product Engineer - Partner Experience

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
architecture, and microservices patterns. You think in terms of domain boundaries, aggregates, and service responsibilities. • Experience designing and maintaining RESTful APIs commercially. Comfort with OpenAPI/Swagger, OAuth2, and versioning strategies. • Ability to design and maintain relational databases (MySQL, PostgreSQL), including query performance, indexing, and data modelling. • You enjoy ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Provide deep technical expertise in distributed systems, data architecture, and scalable platform design. Design, implement, and maintain Java‐based APIs and microservices, including REST, OpenAPI, GraphQL, and gRPC services. Work with modern data technologies including PostgreSQL, MongoDB, and Amazon Redshift. Deliver reliable, performant, and responsive user interfaces aligned … resilient systems. Hands‐on experience with Kafka or similar event streaming technologies. Strong understanding of API design and service integration patterns, including REST, OpenAPI, GraphQL, and gRPC. Practical experience with relational and NoSQL data platforms, including PostgreSQL, MongoDB, and Redshift. Frontend development experience using Angular or React, with ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
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 ...

Quality Engineer

Hiring Organisation
Hays Technology
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract, Temporary
Salary
£450 - £500/day Up to £500 p/d Inside IR35
Gherkin Gatling performance testing OWASP ZAP security testing SonarQube GitHub Copilot WireMock Accessibility testing tools such as Axe or Wave Kubernetes and Docker AWS OpenAPI specifications If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or send ...