26 to 50 of 56 Permanent OpenAPI Jobs

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 Software Engineer

Hiring Organisation
HireQ Talent
Location
United Kingdom
testing Experience building and deploying containerised applications using Docker Proven success working in Agile, cross-functional engineering environments Technical Expertise API-first development and OpenAPI design principles Modern architecture patterns and scalable service design Database modelling, ORM frameworks, and migration tooling Security best practices including authentication, authorisation, encryption ...

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 ...

Software Engineer

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
stack No specific technology experience is essential, DVLA are open to transferable skills and a willingness to learn: Core services: Java, Spring Boot and OpenAPI Front-end: Ruby on Rails, React and reusable UI components Serverless: Node.js, TypeScript, AWS Lambda, Step Functions and DynamoDB Architecture: Event-driven architecture patterns ...

Software Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
first mindset by designing, documenting, and ensuring the quality of robust, efficient HTTP/REST APIs for microservice communication (including using tools like OpenAPI/Swagger). Ensure System Health: Oversee and implement strategies for system scalability, resilience, and high availability, including ownership of monitoring, alerting, and performance optimization. ...

Senior Business Advisor

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
Life Cycle (SDLC). Familiarity with: APIs Integrations Data Mapping Cloud-Based Systems Experience working with: REST APIs SOAP Services JSON XML Swagger/OpenAPI Security & Authentication Knowledge of: OAuth 2.0 JWT (JSON Web Tokens) Managed Identity API Security Concepts Tools & Platforms Proficiency with: Microsoft Word Microsoft Excel Microsoft ...

Integration Tech Lead

Hiring Organisation
Glocomms
Location
Edinburgh, Scotland, United Kingdom
configuration. Experience with authentication and security standards including OAuth 2.0, OpenID Connect (OIDC), JWT, SAML, and API security best practices . Strong knowledge of OpenAPI/Swagger specifications and API documentation standards. Experience working within Google Cloud Platform (GCP) environments. Knowledge of containerization and orchestration technologies including Kubernetes ...

Solution Architect (SC Eligible/ SC Cleared)

Hiring Organisation
Jobleads-UK
Location
Taunton, England, United Kingdom
modern architecture principles such as API-first, event-driven design, security by design, and reusable services. Produce and maintain architecture documentation, including solution designs, OpenAPI specifications, Architecture Decision Records (ADRs), technical design documents, and architecture review outputs. Ensure solutions align with enterprise architecture standards, cloud landing zones, approved integration ...

Technical Business Analyst Guernsey

Hiring Organisation
Resourgenix Ltd
Location
United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
driven architectures o Microservices and event-based integration o Data models and relational databases Ability to read and interpret: o API specifications (Swagger/OpenAPI) o Sequence diagrams o Data schemas Familiarity with cloud-based architectures (AWS, Azure, GCP) is highly desirable. Delivery & Methodology o Experience working in Agile ...

Developer Experience Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
first-MRand improving engineering onboarding. Dev tools:Cursor, Claude, Codex,JetBrains (IntelliJ/GoLand) CI/CD:GitLabPremium(self-hosted) Backend: Typescript, tRPC, Go, OpenAPI, RabbitMQ, MariaDB To be successful, you’ll need: 4+ years of experience in Software Engineering,DevEx,and/or Platform Engineering roles. Strongproficiencyin ...

Developer Experience Engineer

Hiring Organisation
Jobleads-UK
Location
Bath, England, United Kingdom
first-MRand improving engineering onboarding. Dev tools:Cursor, Claude, Codex,JetBrains (IntelliJ/GoLand) CI/CD:GitLabPremium(self-hosted) Backend: Typescript, tRPC, Go, OpenAPI, RabbitMQ, MariaDB To be successful, you’ll need: 4+ years of experience in Software Engineering,DevEx,and/or Platform Engineering roles. Strongproficiencyin ...

Developer Experience Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
first-MRand improving engineering onboarding. Dev tools:Cursor, Claude, Codex,JetBrains (IntelliJ/GoLand) CI/CD:GitLabPremium(self-hosted) Backend: Typescript, tRPC, Go, OpenAPI, RabbitMQ, MariaDB To be successful, you’ll need: 4+ years of experience in Software Engineering,DevEx,and/or Platform Engineering roles. Strongproficiencyin ...

Senior Embedded Software Engineer

Hiring Organisation
17918
Location
London, United Kingdom
system-level debugging Design and implement communication protocols between Linux, FPGA and microcontroller-based systems Develop networking interfaces including REST APIs, SNMP agents and OpenAPI specifications Implement, optimise and troubleshoot TCP/UDP communications and low-level networking functionality Develop secure communication solutions including authentication, encryption and secure firmware ...

Founding Product Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
screen, technical phone screen, and a paid on-site work trial. Target turnaround is under two weeks from first conversation. TypeScript, Node.js, React, Tailwind, OpenAPI, Express, Azure (Container Apps, Service Bus, Front Door, Entra ID), Postgres, Terraform, GitHub Actions, Docker. Anthropic-first AI with in-house evals and scaffolding. ...

Graduate Software Tester

Hiring Organisation
Team Energy
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£30,000
have strong communication skills and are comfortable engaging with a wide range of stakeholders Languages/Specs: Java/Groovy, SQL, Swagger/OpenAPI Interfaces: Web, API, Messages/Events, DB Dev Lifecyle: Maven, GIT/BitBucket, Jira Cloud, Zephyr, ReadyAPI, jMeter Testing Types: API, Web, Security/ ...

Packet Core Test Engineer

Hiring Organisation
Capgemini
Location
Surrey, United Kingdom
Employment Type
Full Time
. Proficiency in networking protocols and procedures: Core Signalling Protocols: GTPv1/v2, NGAP, Diameter, PFCP, SBI (including HTTP/2, REST/JSON, OpenAPI) Traffic and Transport: IP (IPv4/IPv6), UDP, TCP, SCTP, GRE Quality of Service and Policy: 5G QoS Flow, QFI, PCC (Policy and Charging ...

Integration Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
manage multiple projects simultaneously and drive deliverables to completion Experience with basic SQL querying and JSON payload analysis Experience with APIs specs like OpenAPI, web development, and writing scripts to build internal tools (e.g., bash scripting, Python, SQL, Ruby, Golang, Postman) Compensation: Base pay range ...

Senior Web Engineer Team Lead

Hiring Organisation
Advantage Design Group
Location
Jacksonville, Florida, United States
Employment Type
Permanent
Salary
USD 150,000 Annual
with complex development work: integrations, performance improvements, and challenging features Integrate REST APIs and authentication systems including OAuth2, SAML, and OpenID Connect; document with OpenAPI (Swagger) Oversee Azure deployments, CI/CD pipelines, IIS and Windows Server administration, and security and performance monitoring Define and evolve coding standards, deployment ...