Full Stack Developer (React + .NET/Java)

Job Description:

Responsibilities

• Develop modern user-facing features using React.js.
• Design and build responsive, scalable, and reusable UI components.
• Translate wireframes and business requirements into high-quality code.
• Develop and maintain RESTful APIs and backend services using .NET Core / ASP.NET Core (preferred) or Java/Spring Boot.
• Build end-to-end solutions across UI, services, databases, and integrations.
• Optimize applications for performance, scalability, security, and reliability.
• Collaborate with Product Owners, Architects, QA, DevOps, and other engineering teams.
• Participate in design reviews, code reviews, troubleshooting, and production support.
• Contribute throughout the software development lifecycle from requirements through deployment.

Technical Skills

• Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3.
• Thorough understanding of React.js and its core principles.
• Experience with React Hooks, Redux/Context API, and component-based architecture.
• Familiarity with RESTful APIs and modern authorization mechanisms such as OAuth2 and JWT.
• Strong experience in .NET Core / ASP.NET Core, C# (preferred) or Java, Spring Boot.
• Experience developing and consuming REST APIs and microservices.
• Good understanding of Object-Oriented Design, Design Patterns, and SOLID principles.
• Experience with relational databases such as SQL Server, Oracle, or PostgreSQL.
• Familiarity with NoSQL databases is a plus.
• Experience with Git and modern CI/CD pipelines.
• Familiarity with cloud platforms such as Azure, AWS, or GCP.
• Strong debugging, troubleshooting, and performance optimization skills.
• Ability to understand business requirements and translate them into technical solutions.

Good to Have

• Experience with TypeScript, Storybook, Jest, React Testing Library, Cypress, or Playwright.
• Exposure to Domain-Driven Design (DDD) and Microservices Architecture.
• Experience with containerization technologies such as Docker and Kubernetes.
• Knowledge of Event-Driven Architecture and messaging platforms (Kafka, Azure Service Bus, RabbitMQ).

AI-Assisted Development (Good to Have)

• Experience using GitHub Copilot, Microsoft Copilot, Claude Code, Cursor, or similar AI development tools.
• Exposure to AI-assisted code generation, refactoring, unit test creation, documentation, and debugging.
• Understanding of responsible and secure use of AI tools in software development.

Non-Technical Skills

• Team player.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Good time-management and stakeholder management skills.

Relevant work experience: 7+ years.

Location:

This position can be based in any of the following locations:

Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday