1 to 25 of 145 Jest Jobs

Software Engineer

Location
Bristol, England, United Kingdom
similar. Strong debugging, root‐cause analysis and resolution of production issues. Familiarity with unit, integration and end‐to‐end testing tools (e.g. Jest, Playwright). Experience integrating and onboarding 3rd‐party vendors, defining patterns and abstracting APIs. Understanding of microservices and RESTful API development (structuring, documentation, versioning, testing, stubbing/ ...

Fullstack Engineer

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £65 per hour
Code, GitHub Copilot, Codex) to generate, test, and refactor code. Testing & Quality: Unit/Integration testing across the stack (JUnit, Mockito, React Testing Library, Jest). Experience monitoring system health (SLIs/SLOs). Qualifications & Experience 7+ years of professional full-stack development experience. Background working in product-oriented, retail ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experience integrating Front End code into CI/CD pipelines, such as Jenkins or GitHub Actions, and writing automated tests using tools such as Jest, Cypress or Playwright Agile Delivery: Strong track record working within blended, multidisciplinary Agile environments and adapting to legislative or policy-driven change Security Clearance: BPSS ...

Full Stack Developer - Java/TypeScript /Angular

Location
Greater London, England, United Kingdom
Services, AKS, and storage. Experience developing and consuming APIs and managing data exchange between systems. Familiarity with CI/CD pipelines, testing frameworks (JUnit, Jest, Cypress), and Git workflows. Awareness of secure coding practices, authentication (OAuth/OIDC), and identity management. Strong collaboration and problem-solving skills in multidisciplinary teams. ...

Developer

Location
Leeds, England, United Kingdom
FHIR . Previous experience delivering solutions for NHS programmes or within the wider NHS ecosystem. Node.js TypeScript React/Angular AWS GitHub Actions Playwright Jest REST APIs/Microservices FHIR/NHS APIs #J-18808-Ljbffr ...

Node.js Developer - £50,000 - Permanent

Hiring Organisation
Stealth IT Consulting
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
using Git and collaborative development workflows. Strong understanding of software engineering best practices, including SOLID principles and design patterns. Experience writing automated tests using Jest, Mocha, or similar frameworks. ...

Full Stack Developer

Location
City of Westminster, England, United Kingdom
Grafana). Containerization : Docker and Kubernetes. APIs : REST, GraphQL, OpenAPI. Databases : SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Testing : Unit and functional testing (Jest, Cypress, Mocha). Soft Skills Strong communication skills for technical and non-technical stakeholders. Ability to work in fast-paced, complex environments. Proactive problem-solving ...

Full Stack Developer (Java + Angular)

Location
United Kingdom
Code.- Web back-end technologies: RESTful APIs using Microservices (NodeJS, C#, C++, Python), Express, JSON, OData, Web Sockets, and Java EE.- Testing: JEST, Karma/Jasmine, E2E testing with Protractor.MAVEN, Jenkins & Ansible, Containerization.- Cloud: Knowledge in cloud technologies (Azure and Amazon) #J-18808-Ljbffr ...

Front End Developer (React & Node.js)

Hiring Organisation
Infused Solutions Ltd
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
problem-solving skills. Experience working within Agile teams. Desirable Skills Next.js GraphQL Azure or AWS Docker CI/CD pipelines Tailwind CSS Material UI Jest, React Testing Library or Cypress What's on Offer £45,000 - £50,000 salary Fully remote working anywhere within the UK Flexible working environment Modern ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Helm; support CI/CD pipelines, container registries and environment configuration. Create unit, integration, API and end-to-end tests using tools such as Jest, Playwright and Postman; make testing part of delivery rather than a final step. Use AI-assisted development tools, including the Claude extension, to accelerate development ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
EC2M, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Helm; support CI/CD pipelines, container registries and environment configuration. Create unit, integration, API and end-to-end tests using tools such as Jest, Playwright and Postman; make testing part of delivery rather than a final step. Use AI-assisted development tools, including the Claude extension, to accelerate development ...

Python Developer

Location
Glasgow, Scotland, United Kingdom
based development and version control Event-driven systems using Kafka or RabbitMQ Terraform or other Infrastructure-as-Code tools Automated testing with PyTest/Jest Experience working on enterprise-scale platforms Additional: Strong analytical, communication, and stakeholder-management skills with the ability to work independently and collaboratively. #J-18808-Ljbffr ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350 per day + Hybrid
Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest Experience using Claude Code or similar AI-assisted development tools Git, CI/CD and Agile delivery experience Desirable Microsoft Azure Bicep DevOps and deployment automation Cloud ...

Software Engineer / Full-Stack Software Engineer

Location
Gloucester, England, United Kingdom
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes #J ...

Senior Software Engineer / Senior Full-Stack Engineer

Location
Manchester, England, United Kingdom
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes #J ...

AWS Software Engineer (Node.js/TypeScript)

Location
Nottingham, England, United Kingdom
experience with Infrastructure as Code tools — specifically AWS CDK, CloudFormation, or Terraform — in production environments. Strong experience writing automated and unit tests using Jest or an equivalent testing framework, with a commitment to quality engineering. Comfortable designing, building, and running core AWS services: Lambda, DynamoDB, IAM, S3, and associated integration ...

Fullstack Java Developer

Location
Glasgow, Scotland, United Kingdom
based architecture and design systems. Must have experience using continuous delivery toolsets and following Test-Driven Development (TDD) practices with test automation frameworks (e.g., Jest), experience with Git and CI/CD, experience with Mulesoft is essential. Anypoint Studio, Anypoint Exchange, API Manager, Runtime Manager. Experienced in developing integrations using ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Location
Greater London, England, United Kingdom
problem-solving skills. Proactive communicator with owned assignments. Ability to manage time effectively and meet realistic deadlines. Experience with testing frameworks such as Jest or RTL. Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/ ...

Web: Full Stack Tech Lead

Location
Greater London, England, United Kingdom
Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate‐limits, background jobs. Elasticsearch fluency: mappings/analyzers (ngrams, synonyms), aggregations, filters ...

Senior Full-Stack Software Engineer (Java & React / Javascript / Angular)

Location
Oxford, England, United Kingdom
open to discussing and honing approaches for our team to improve our working practices.· Have experience of test-driven development and mocking libraries (Jest, Mockito)· Have experience with creating and updating technical documentation using collaborative tools (Jira and Confluence)· Real-world experience of Agile practices and execution (Scrum, Kanban ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Senior Software Engineer - Investment Growth

Location
West of England, England, United Kingdom
other languages, such as PHP or Java, would also be beneficial. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing ...

Full Stack Developer

Hiring Organisation
Chameleon IT Solutions Limited
Location
East Anglia, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira/Confluence/M365 Additional Requirements Excellent written and verbal communication skills Must ...

Frontend Developer

Hiring Organisation
Ncounter
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
TypeScript expertise • Strong JavaScript, HTML and CSS fundamentals, ideally including Tailwind CSS or similar • Experience integrating REST APIs and building secure, production-grade applications • Jest and React Testing Library experience, alongside strong Git-based development practices • Experience building prototypes using Lovable or comparable tools • A good understanding of accessibility, responsive ...

Junior Full Stack Developer

Hiring Organisation
FISco (UK) Limited
Location
Winnersh, Wokingham, Berkshire, United Kingdom
Employment Type
Permanent
hosting), Jira (ticketing). Desirable/Nice-to-Have • Exposure to Flutter/Dart • Familiarity with Azure cloud services • Any experience with automated testing (Jest, React Testing Library, xUnit, or similar) • Experience in infrastructure-as-code (Bicep) or CI/CD pipelines • A relevant degree, bootcamp, or personal/university ...