1 to 25 of 29 Permanent OpenAPI Jobs in England

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 ...

Solutions Architect

Hiring Organisation
XCEEDANCE LIMITED
Location
London, UK
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. Strong understanding of application security principles and best ...

Solutions Architect

Hiring Organisation
XCEEDANCE LIMITED
Location
City of London, Greater London, UK
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. Strong understanding of application security principles and best ...

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. Strong understanding of application security principles and best ...

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 ...

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

Hiring Organisation
Tenth Revolution Group
Location
Manchester, UK
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 ...

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 ...

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 ...

Senior Java Software Engineer

Hiring Organisation
Tenth Revolution Group
Location
Newcastle upon Tyne, UK
innovation and delivering high‐quality solutions Nice to have Kafka, SQS, Serverless (Lambda) Monitoring & logging tools (ELK, Dynatrace, Splunk) JPA/Hibernate, Swagger/OpenAPI, automated testing Mentoring experience Security: Willingness to obtain UK SC clearance if required If you’re passionate about modern engineering and want to make ...

Senior Java Software Engineer

Hiring Organisation
Tenth Revolution Group
Location
Newcastle Upon Tyne, England, United Kingdom
innovation and delivering high‐quality solutions Nice to have Kafka, SQS, Serverless (Lambda) Monitoring & logging tools (ELK, Dynatrace, Splunk) JPA/Hibernate, Swagger/OpenAPI, automated testing Mentoring experience 🔐 Security: Willingness to obtain UK SC clearance if required If you’re passionate about modern engineering and want to make ...

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 ...

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 ...

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 ...

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 ...

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 Developer

Hiring Organisation
mthree
Location
London, UK
Skills: SCM knowledge, preferably Git/Bitbucket Knowledge of distributed systems/service-oriented architectures Knowledge of defining a REST API using Swagger/OpenAPI Knowledge of building and deploying an application in the cloud Knowledge of Unit Testing frameworks like CPP Unit, GTest for C++ or similar Experience ...

Software Developer

Hiring Organisation
mthree
Location
London Area, United Kingdom
Skills: SCM knowledge, preferably Git/Bitbucket Knowledge of distributed systems/service-oriented architectures Knowledge of defining a REST API using Swagger/OpenAPI Knowledge of building and deploying an application in the cloud Knowledge of Unit Testing frameworks like CPP Unit, GTest for C++ or similar Experience ...

Software Developer

Hiring Organisation
mthree
Location
City of London, Greater London, UK
Skills: SCM knowledge, preferably Git/Bitbucket Knowledge of distributed systems/service-oriented architectures Knowledge of defining a REST API using Swagger/OpenAPI Knowledge of building and deploying an application in the cloud Knowledge of Unit Testing frameworks like CPP Unit, GTest for C++ or similar 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 ...

MuleSoft & Salesforce Agentic Engineer

Hiring Organisation
Arbuthnot Latham & Co., Limited
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent
hands-on experience designing and delivering MuleSoft integrations in an enterprise environment. Proven experience building and maintaining API-led architectures, including RESTful APIs and OpenAPI specifications. Solid experience working with Salesforce, including customisation, integration and automation. Knowledge of existing and emerging MuleSoft technologies such as Agent Fabric, Vibes, Gateway ...

Java Developer

Hiring Organisation
Som3
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
management (Flyway/Liquibase), indexing strategy, and query optimisation. Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation. Identify, catalogue, and systematically address technical debt in collaboration with the wider Your background and experience will include Great communication skills … design. PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase). Experience designing and documenting APIs using OpenAPI/Swagger Proficiency with build tools - Maven or Gradle - and a modern Java development workflow. Understanding of software design principles (SOLID, DRY, Clean Architecture) Familiarity ...