1 to 25 of 33 OpenAPI Jobs in England

Apigee Developer

Hiring Organisation
ARM
Location
Slough, Berkshire, United Kingdom
Employment Type
Contract
deployments Required Skills & Experience: Proven experience working with Apigee (Edge or Apigee X/Hybrid) Strong understanding of API design principles (RESTful services, OpenAPI/Swagger) Experience implementing API security (OAuth2, JWT, SAML, TLS) Hands-on experience with JavaScript (for Apigee policies) and API policy configuration Familiarity with microservices ...

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 ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
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 ...

Senior Java Developer

Hiring Organisation
Hays Technology
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum £50,000-£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 ...

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 ...

Software Engineer - Android Developer

Hiring Organisation
Talent Locker
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530 per day
Kotlin, Jetpack Compose) Backend development (Rust, Python or Go) Git and modern development workflows Docker + CI/CD pipelines API design (REST/OpenAPI) Working in secure or controlled environments Nice to have: AWS or Azure experience Kubernetes Agile delivery experience Secure coding awareness If you like building ...

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 ...

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 ...

Informatics Specialist

Hiring Organisation
Pure Resourcing Solutions Limited
Location
Cambridge, Great Abington, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
data Resolving bottlenecks in data retrieval through indexing strategies, ORM-generated SQL optimisation and caching Establishing and enforcing API standards across the team, including OpenAPI/Swagger documentation Building connectors to integrate third-party scientific tools such as Dotmatics, Revvity Signals or Titian Mosaic with internal data stores Designing ...

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 ...

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 ...

Manager - Lead AI Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
knowledge-sharing initiatives Skills & Experience Required Significant senior backend development experience with strong Python proficiency (async programming, concurrency, multithreading) Expertise in RESTful API design, OpenAPI/Swagger documentation and API lifecycle best practices Hands-on experience with ML libraries: PyTorch, PySpark, scikit-learn, Hugging Face Transformers Proficiency ...

Lead Java Developer

Hiring Organisation
TXP Technology x People
Location
Telford, Shropshire, England, United Kingdom
Employment Type
Full-Time
Salary
£550 - £600 per day
ensure quality delivery. Required Skills Java, Spring Boot, JUnit, Kubernetes. Desirable Skills JPA, Maven, Mockito, AWS, GitLab CI/CD, Helm, OpenAPI, SQL, Kibana, Shell scripting. Clearance BPSS eligibility Mandatory SC Clearance preferred, alternatively must be eligibleLocation: Telford - once a week ...

Lead Java Developer

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
ensure quality delivery. Required Skills Java, Spring Boot, JUnit, Kubernetes. Desirable Skills JPA, Maven, Mockito, AWS, GitLab CI/CD, Helm, OpenAPI, SQL, Kibana, Shell scripting. Clearance BPSS eligibility Mandatory SC Clearance preferred, alternatively must be eligible Location: Telford - once a week ...

Mulesoft Developer - Fully Remote

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 315 Daily
enterprise API design standards. Create reusable connectors, templates, and integration patterns to accelerate delivery across teams. Produce thorough API documentation using RAML or OAS (OpenAPI Specification). Deploy, configure, and monitor Mule applications on CloudHub and Runtime Fabric. Implement robust error handling, alerting, and logging strategies to support operational ...

Senior Front End Developer (React/ TypeScript/ Python/ Azure)

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
JSON data sets. Create reusable, component-driven UI patterns within modular, portal-style architectures. Work with backend teams to define API contracts using an OpenAPI-first approach. Support Azure deployments across App Services and Functions, with CI/CD via GitHub Actions. Apply secure authentication patterns using Entra ...

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 ...

Software Engineer

Hiring Organisation
IMServ Europe Ltd
Location
MK14, Great Linford, Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
deadlines Commitment to continuous learning and improvement Experience (Desirable) Experience with Azure services (e.g. Functions, Service Bus, API Management) Experience building APIs (Swagger/OpenAPI) Knowledge of CI/CD pipelines and DevOps practices Experience with automated testing tools Benefits 28 days' holiday plus Bank Holidays Buy & sell annual ...

Software Engineer

Hiring Organisation
CND
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Permanent
with backend development languages such as Rust, Python, or Go Solid understanding of software development principles, including MVVM, UDF, web APIs, standards such as OpenAPI, and data structures Experience with Docker for containerisation and deployment Knowledge of DevOps processes, including CI/CD pipelines and automated testing frameworks Strong ...

Test Automation Engineer / Software Tester

Hiring Organisation
Matchtech
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£410/day
with: Behaviour Driven Development (BDD) Test Driven Development (TDD) Strong coding skills in: C# (essential) Python (highly desirable) Experience testing: RESTful APIs Swagger/OpenAPI services SOAP services Web applications and user interfaces Experience with source control and CI/CD tooling: GitHub GitHub Actions Strong defect management ...

Software Architect - C#

Hiring Organisation
Jobleads-UK
Location
Basingstoke, England, United Kingdom
scale Experience defining architecture principles, standards, and best practices Strong understanding of modern development and deployment practices Experience with specification tools such as AsyncAPI, OpenAPI, and JSON Schema Familiarity with containerised environments and cloud platforms Experience with technologies such as MongoDB, PostgreSQL, Redis, and RabbitMQ Strong analytical, problem-solving ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
operator environments - TMF standards: Product Ordering (TMF641), Service Ordering, Service Activation, Service Inventory (TMF638) API Development & Integration - Strong expertise in API lifecycle design using OpenAPI specifications (OAS) - can read and write API specs - Hands-on with TMF/ODA frameworks for product and service APIs - Expertise in integration patterns … OpenAPI , REST, gRPC , GraphQL ) - Strong background in pub/sub and event brokers (Kafka, RabbitMQ) including security (TLS/SASL), scaling and schema evolution - Knowledge of headers, correlation/tracking IDs, authentication/authorisation and versioning Product, Data & Application Foundations - Product and data modelling: can actually do BSS/ ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained … experience, with a strong focus on backend development in Python and with event-driven architectures. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience ...