1 to 25 of 30 OpenAPI Jobs in the UK excluding London

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ...

Senior Software Engineer

Hiring Organisation
Tech Talent House LTD
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum 25 days’ holiday + B/H & Healthcar
software engineering practices. The ideal candidate will bring experience across the following technologies: Java 17+ and Spring Boot for backend application development. REST APIs, OpenAPI, JSON and microservices architecture. PostgreSQL, Spring Data JPA/Hibernate and Flyway. Apache Kafka, Amazon MSK and event-driven architectures. AWS cloud services, including ...

Snr Java Developer (API Development)

Hiring Organisation
TXP Technology x People
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £551.00 per day
/CD - Version control and automated build and deployment pipelines. Desirable Skills JPA/Hibernate Kibana Maven/Gradle Mockito AWS GitLab Helm OpenAPI/Swagger SQL Shell scripting AI-Assisted Development The programme is actively embracing modern AI-assisted development practices. Candidates should be comfortable using approved ...

Snr Java Developer (API Development)

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day Inside IR35
/CD - Version control and automated build and deployment pipelines. Desirable Skills JPA/Hibernate Kibana Maven/Gradle Mockito AWS GitLab Helm OpenAPI/Swagger SQL Shell scripting AI-Assisted Development The programme is actively embracing modern AI-assisted development practices. Candidates should be comfortable using approved ...

Senior Software Engineer

Hiring Organisation
Raytheon UK Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or 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 ...

Java Tech Lead

Hiring Organisation
TXP Technology x People
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £600.00 per day
architectural requirements into technical designs, managing technical dependencies and supporting delivery planning. Desirable Skills AWS JPA/Hibernate Maven/Gradle Mockito GitLab Helm OpenAPI/Swagger SQL Kibana Observability and performance monitoring Event-driven architecture/messaging Shell scripting AI-Assisted Development & Leadership Willingness to actively embrace ...

Java Tech Lead

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
architectural requirements into technical designs, managing technical dependencies and supporting delivery planning. Desirable Skills AWS JPA/Hibernate Maven/Gradle Mockito GitLab Helm OpenAPI/Swagger SQL Kibana Observability and performance monitoring Event-driven architecture/messaging Shell scripting AI-Assisted Development & Leadership Willingness to actively embrace ...

Senior Technical Architect - Custody & Securities Services

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £850.00 per day
Domain-driven designs Distributed platforms Experience with Kafka, IBM MQ, Solace or similar messaging technologies. Strong API and integration architecture experience, including REST and OpenAPI standards. Exposure to AWS and modern cloud-native architectures. Experience within architecture governance frameworks and technical review boards. Desirable Experience Knowledge of SWIFT Messaging ...

Software Engineer

Hiring Organisation
Raytheon UK Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or 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 UK Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or 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 - Python

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 AI & Integration Engineer – C# / .NET / Azure

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
include: Strong C# and modern .NET development, including ASP.NET Core Web APIs and backend services. Azure development, including Azure Functions. REST APIs, HTTP, JSON, OpenAPI/Swagger and webhooks. Integration patterns covering authentication, pagination, rate limits, retries and exception handling. Microsoft Entra ID, OAuth 2.0, application permissions and secure ...

Principal Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or 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 ...

Java Software Engineer

Hiring Organisation
CGI
Location
Surrey, United Kingdom
Employment Type
Full Time
frameworks such as Jest. •Experience with JUnit and integration testing tools such as ReadyAPI. •Strong working knowledge of Git. •Experience developing RESTful APIs using OpenAPI and JSON. •SQL and PL/SQL experience, including scripts that interrogate Oracle databases. •Experience with CI/CD platforms such as GitLab Runner ...

Software Engineer

Hiring Organisation
Kensington Mortgage Company
Location
Marlow, Buckinghamshire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
experience, including: C# and modern .NET , including ASP.NET Core Object-oriented development, SOLID principles and dependency injection Designing, building and consuming REST APIs , including OpenAPI Microsoft Azure , particularly PaaS and serverless services Relational databases, SQL and data modelling Git, pull requests and automated CI/CD pipelines , ideally using ...

Senior Solutions Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
driven architecture (EDA), and microservices architecture. Familiarity withJava (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 ...

Full Stack Software Developer

Hiring Organisation
Data Careers
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
highly regulated environments Additional Experience of Interest Experience with any of the following would be beneficial: Terraform AWS CloudFormation Docker Gatsby REST APIs/OpenAPI GitLab Infrastructure as Code DevOps-focused development practices Scaling and improving existing software products Defence, national security or central government environments Working within blended ...

Full Stack Software Developer

Hiring Organisation
Data Careers
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
highly regulated environments Additional Experience of Interest Experience with any of the following would be beneficial: Terraform AWS CloudFormation Docker Gatsby REST APIs/OpenAPI GitLab Infrastructure as Code DevOps-focused development practices Scaling and improving existing software products Defence, national security or central government environments Working within blended ...

Fullstack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
interfaces in TypeScript and React, respecting a detailed role-based access model Design services and REST APIs in Python (FastAPI/Django) with clear OpenAPI contracts Model data in PostgreSQL: schema design, migrations, indexing and multi-tenant isolation Build event-driven and background processing, plus real-time features over ...

Senior Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
maintaining board to board and digital interfaces: CAN, SPI, IC, UART and RS422 Building networked services and interfaces including REST APIs, SNMP agents and OpenAPI specifications Developing and debugging TCP and UDP communication layers, and getting into the weeds on protocol performance Secure communications: authentication, encryption, secure firmware update ...

Senior Java Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
part of Scrum teams to modernise legacy services. Required Skills: Java Spring Boot Junit Optional Skills: JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. ...

Java Developer

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £630/day
Developers and QEs to modernise HMRC legacy services. Required Skills : Java Spring Boot Junit Optional Skills: JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website. ...

Front End Engineer / React Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 per day
Component library and design system development using MUI, Storybook and Figma. Runtime validation and contract-first API integration using technologies such as Zod and OpenAPI-generated types. OAuth 2.0/OpenID Connect authentication, authorisation and secure session management. CI/CD, dependency management and frontend security practices. Experience within ...

Front End Engineer / React Developer

Hiring Organisation
Hays
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £550 per day + £550 per day INSIDE
Component library and design system development using MUI, Storybook and Figma. Runtime validation and contract-first API integration using technologies such as Zod and OpenAPI-generated types. OAuth 2.0/OpenID Connect authentication, authorisation and secure session management. CI/CD, dependency management and frontend security practices. Experience within ...

Integration Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
interface/API specifications . Design and govern enterprise APIs using Azure API Management (APIM) . Define API design and governance standards, including OpenAPI/Swagger, versioning, schema management and API lifecycle management . Design APIM Products, subscriptions, throttling and consumption models for internal and external consumers. Establish reusable … Azure Service Bus | Event Grid | Logic Apps | Azure Functions | OAuth2 | OIDC | JWT | Entra ID | Key Vault | Terraform | Bicep | Azure DevOps | CI/CD | APIOps | OpenAPI/Swagger | Azure Monitor | Application Insights Additional Information Why our client? We believe in providing our employees with a comprehensive benefits package that prioritises ...