1 to 25 of 26 Permanent OpenAPI Jobs

Senior Back-end Engineer

Hiring Organisation
Calyptus
Location
United Kingdom
services, including EC2, and a strong understanding of Kubernetes (K8s) for container orchestration is a big plus Strong experience in building RESTful APIs, especially OpenAPI-generated interfaces Familiarity with CI/CD pipelines and automated testing frameworks Proficiency with SQL including migrations (Flyway), ensuring data integrity and optimal performance ...

Software Engineer / Java Developer

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
Bournemouth, Dorset, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
DevOps Write automated tests (unit, integration) with JUnit, TestNG, Mockito Secure APIs using OAuth2, JWT, Spring Security Document APIs using Swagger/OpenAPI Monitor applications with ELK, Prometheus, Grafana, Splunk Collaborate using GitHub, JIRA, Confluence, Slack/Teams What We’re Looking For Solid experience in Java backend development ...

Java Software Engineer

Hiring Organisation
Cubestech Ltd
Location
Bournemouth, England, United Kingdom
using JUnit , TestNG , Mockito End-to-end testing exposure with Selenium and Cypress Writing testable, maintainable backend code API Documentation Experience with Swagger/OpenAPI API documentation, validation, and testing Security Implementing authentication and authorization using: OAuth2 JWT Spring Security Securing REST APIs and backend services Monitoring & Logging Hands ...

Java FullStack

Hiring Organisation
Dns Info Ltd
Location
Bournemouth, Dorset, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
DevOps Automated build, test, and deployment pipelines Testing JUnit, TestNG, Mockito, Selenium, Cypress Unit, integration, and end-to-end testing API Documentation Swagger/OpenAPI Documenting and testing REST APIs Security OAuth2, JWT, Spring Security Implementing authentication and authorization Monitoring & Logging ELK Stack, Prometheus, Grafana, Splunk Application monitoring ...

Java Developer

Hiring Organisation
HCLTech
Location
Groningen, Netherlands
Employment Type
Permanent
Salary
EUR Annual
architecture and event-driven design Container orchestration with Kubernetes and Helm charts AWS MSK with IAM authentication Multi-tenant database architecture RESTful APIs with OpenAPI/Swagger GitOps deployment workflows with ArgoCD Infrastructure as Code and automated CI/CD pipelines AI-assisted development and code modernization Observability ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Document Processing & OCR - Experience implementing intelligent document processing solutions using OCR technologies (Tesseract, Azure ...

Senior Cloud Data Developer - API Focus

Hiring Organisation
quantum-health
Location
Dublin, Ohio, United States
Employment Type
Permanent
Salary
USD Annual
objects for exposure via API End to end capabilities including SQL, security (OAuth), data transformation, and REST development Preferred skills: Spring Boot, AWS, gradle , OpenAPI , bash, snowflake, docker, git, nexus Demonstrate the ability to mentor and coach others. Demonstrate the ability to understand and articulate the details and impacts ...

Engineering Lead ( PHP )

Hiring Organisation
IRIS Software Group
Location
Bradford, UK
Employment Type
Full-time
implement large-scale, modular, and maintainable architectures (Domain-Driven Design, Hexagonal/Clean Architecture preferred) Strong experience in API architecture and design (REST, GraphQL, OpenAPI) Deep knowledge of database architecture, query optimization, and performance tuning (SQL and NoSQL) Proven experience designing and maintaining CI/CD pipelines (TeamCity, GitHub ...

Engineering Lead ( PHP )

Hiring Organisation
IRIS Software Group
Location
Leeds, England, United Kingdom
implement large-scale, modular, and maintainable architectures (Domain-Driven Design, Hexagonal/Clean Architecture preferred) Strong experience in API architecture and design (REST, GraphQL, OpenAPI) Deep knowledge of database architecture, query optimization, and performance tuning (SQL and NoSQL) Proven experience designing and maintaining CI/CD pipelines (TeamCity, GitHub ...

Senior Technical Lead

Hiring Organisation
Brightwork Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Azure App Service, Container Services, and CI/CD pipelines Solid understanding of REST APIs, JSON, and microservice architecture Familiarity with Docker, Swagger/OpenAPI, and modern development practices Excellent communication and stakeholder management skills You'll join an environment that values autonomy, innovation and technical excellence, with ...

TypeScript Fullstack Developer

Hiring Organisation
Mind Map technologies
Location
New York, United States
Employment Type
Any
Salary
USD Annual
development practices and contribute to sprint planning and execution Key technical skills desired Experience in Python API development experience building endpoints writing and reading OpenAPI specs etc AWS skills key capabilities we use are Lambda Step Function DynamoDB SNS SQS S3 Apigee skills would be a nice to have ...

Full-Stack Developer, full-time

Hiring Organisation
Saia Agrobotics
Location
Ede, Gelderland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
look beyond a single subsystem, you recognise future bottlenecks and seek knowledge and expertise outside SAIA where necessary. Bonus points for any experience with OpenAPI or similar API-first development. Bonus points for any experience in cloud infrastructure-as-code (terraform or similar technologies). A driver's license ...

Sportsbook Solutions Architect

Hiring Organisation
The Unit
Location
Ireland
Employment Type
Permanent
Salary
EUR 80,000 - 100,000 Annual
Kafka, PostgreSQL, Redis, and Next.js/React frontends. Guide teams in implementing event-driven architectures using Kafka and RabbitMQ, ensuring consistency of AsyncAPI and OpenAPI contracts across polyglot services. Architect and review backend services primarily in Spring Boot (Java/Kotlin) with optional polyglot extensions (Go, Node.js, Python, Rust … code principles. Understanding of frontend architectures (React/Next.js, micro frontends, monorepos) and API integration patterns. Proficiency in API and event contract design using OpenAPI and AsyncAPI; knowledge of GraphQL federation is a plus. Strong background in observability, monitoring, and tracing , with Prometheus/Grafana/ELK or equivalent. ...

Principal Associate, Ontology and Data Modeling- Retail Bank

Hiring Organisation
Capital One
Location
wilmington, delaware, united states
thesauri in enhancing the discovery of management of enterprise data Familiarity with graph databases and technologies Familiarity with Python or R Familiarity with JSON, OpenAPI/YAML, AVRO Familiarity with Agile principles, processes, and methodologies Familiarity with Amazon Web Services Strong project management experience At this time, Capital ...

Engineering Manager, Logs

Hiring Organisation
Cloudflare
Location
Greater London, England, United Kingdom
with event-driven architectures and large-scale data processing (e.g., Kafka, Pulsar, Flink, ClickHouse, Iceberg, BigQuery). Strong understanding of API design and standards (OpenAPI/Swagger, OAuth/JWT). Familiarity with large-scale logging, observability, or telemetry systems is highly desirable. Ability to translate product requirements into ...

Data Analyst

Hiring Organisation
Computappoint
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling, ETL workflows ...

Solutions Designer

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
stakeholder management skills Bachelor's degree or equivalent experience in Business, Computer Science, or related field Desirable: AWS certifications, BCS/IIBA credentials, OpenAPI/Swagger experience What's in it for me? Hybrid working in Leeds with genuine flexibility Work with cutting-edge AWS technologies and modern architectures ...

Technical Business Analyst

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
stakeholder management skills Bachelor's degree or equivalent experience in Business, Computer Science, or related field Desirable: AWS certifications, BCS/IIBA credentials, OpenAPI/Swagger experience What's in it for me? Hybrid working in Leeds with genuine flexibility Work with cutting-edge AWS technologies and modern architectures ...

Sr. Node.js developer $75/hr Srinivasa Kandi

Hiring Organisation
VALIANT TECHNOLOGIES LLC
Location
Hartford, Connecticut, United States
Employment Type
Any
Salary
USD 75 Hourly
with clean, testable code.Architect greenfield systems: service boundaries, data models, REST APIs, event streams, CI/CD, observability, and runtime topology.Set API standards: versioning, OpenAPI/Swagger, pagination, error contracts, resiliency patterns (timeouts, retries, circuit breakersOwn production readiness: SLOs, dashboards, alerting, runbooks; lead incident triage/bridge calls … cost; recommend pragmatic sequencing and trade-offs. Tech Stack You ll Work WithLanguages/Frameworks: Node.js, TypeScript, Express/Fastify/NestJSAPIs: REST, OpenAPI/Swagger, OAuth2/OIDC, JWTData: PostgreSQL/MySQL, NoSQL (MongoDB/DynamoDB), Redis cacheMessaging/Streaming: Kafka/RabbitMQ (sagas, outbox, idempotency)Cloud & Platform ...

Technical Writer

Hiring Organisation
JPMorganChase
Location
Greater London, England, United Kingdom
Writer with experience creating technical documentation for developer-focused products, with emphasis on API documentation. Proficiency with modern documentation technologies and tools including Markdown, OpenAPI/Swagger, static site generators, docs-as-code content authoring, and git-based version control. Ability to quickly understand complex technical concepts and translate ...

Software Developer

Hiring Organisation
Blues Point Ltd
Location
Nottingham, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
maintain applications using .NET (C#), Angular, TypeScript/JavaScript, and CSS Work with SQL Server databases and develop API-first solutions using REST and OpenAPI/Swagger Contribute to cloud-based solutions in Azure (App Services, Functions, Event Grid, Logic Apps, Cosmos DB) Implement and maintain CI/… JavaScript Solid understanding of CSS and web development principles Experience with SQL Server and database design Familiarity with API-first development, REST, and OpenAPI/Swagger Experience in cloud-first environments , particularly Azure Knowledge of Azure DevOps and DevOps principles Proficiency with Git and modern version control Experience with ...

Technical Architect

Hiring Organisation
rcrtr
Location
Swansea, Wales, United Kingdom
synchronous/asynchronous). Lead the design of distributed microservices, ensuring scalability, resilience, observability, and maintainability. Apply schema-driven design principles (e.g., JSON Schema, OpenAPI, AsyncAPI) to ensure consistent and reusable domain models. Cloud & Platform Engineering (AWS) Select and integrate AWS services (EC2, Lambda, API Gateway, S3, DynamoDB … experience with APIs (REST, event-driven, messaging), microservices, and distributed system design. Strong understanding of schema-driven design, using tools such as JSON Schema, OpenAPI, or AsyncAPI. Solid understanding of cloud security, identity and access management, and operational best practices. Experience working with Infrastructure-as-Code (Terraform, CloudFormation). ...

Technical Architect

Hiring Organisation
IPS Group
Location
London, United Kingdom
Employment Type
Permanent
asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams to standardise the technical approach for messaging, data extraction, transformation, and load (ETL/ELT) processes across … queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification. Strong understanding of DevOps practices and hands-on experience with CI/CD tooling such as Azure DevOps or GitLab CI. Extensive knowledge ...

Technical Architect

Hiring Organisation
IPS Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams to standardise the technical approach for messaging, data extraction, transformation, and load (ETL/ELT) processes across … queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification. Strong understanding of DevOps practices and hands-on experience with CI/CD tooling such as Azure DevOps or GitLab CI. Extensive knowledge ...

Technical Writer, Vice President

Hiring Organisation
BlackRock
Location
Edinburgh, Scotland, United Kingdom
patterns. Design and implement content structures that scale across multiple APIs, microservices, and event channels within Aladdin Studio. Contribute to tooling and automation, using OpenAPI/AsyncAPI specs and CI/CD pipelines to generate and version developer documentation. Partner with Studio Product Marketing and Solution Architecture team … RESTful and event-streaming architectures (Real-time distributed event streaming platform, Kinesis, or similar). Proven experience writing API and developer documentation using OpenAPI/Swagger or AsyncAPI specifications. Hands-on familiarity with developer tooling such as Git, Postman, Redocly, or similar platforms. Strong grasp of cloud-based integration ...