Senior Full Stack Developer - NestJS/Node.js/React.js | Hybrid Setup - Clark

Senior Full Stack Developer

Job Description:

• Design, develop, maintain and improve full stack web applications using React, TypeScript, JavaScript, Node.js and NestJS.

• Take ownership of complex product features from technical design through implementation, testing, deployment, support and post release issue resolution.

• Build and maintain scalable frontend components, REST APIs, backend services and database integrations.

• Work closely with the Technical Lead on sprint planning, technical design, architecture decisions, workload prioritisation and implementation approach.

• Follow and help reinforce established architecture, coding standards and development practices.

• Review code and provide practical guidance to improve quality, maintainability, security and performance.

• Support and mentor junior and mid-level developers where required.

• Troubleshoot complex technical issues across frontend, backend, API, database and deployment layers.

• Identify technical risks, performance issues and areas for system improvement.

• Collaborate with QA and DevOps resources during testing, release preparation, deployment and production issue resolution.

• Produce and maintain technical documentation, implementation notes, API documentation and developer handover materials.

• Apply secure coding practices across authentication, authorisation, input validation, API security, dependencies, secrets and data access controls.

• Use AI assisted coding tools such as OpenAI Codex, Claude Code or similar tools where appropriate, while independently validating generated code for accuracy, security, maintainability and architectural alignment.

Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent commercial software development experience.

• 5 to 7 + years of commercial software development experience.

• Advanced commercial experience with React.js and modern frontend architecture.

• Advanced experience with TypeScript, JavaScript, HTML and CSS.

• Strong experience with Node.js backend development.

• Strong experience with NestJS or a similar structured Node.js framework.

• Strong experience designing, building and consuming REST APIs.

• Strong experience with relational databases such as MySQL or PostgreSQL.

• Strong experience using Git and GitHub, including branching strategies, pull requests and code reviews.

• Experience with ORM tools such as TypeORM or similar.

• Experience taking ownership of complex features from technical design through production support.

• Experience reviewing code and providing technical guidance to other developers.

• Strong understanding of secure coding practices and common web application security risks.

• Comfortable working in an Agile software development environment.

• Ability to independently troubleshoot complex issues across the full application stack.

• Ability to contribute to technical design while working within the direction of an existing Technical Lead.

• Strong stakeholder management and risk communication capability.

• Strong written and verbal communication skills.

Nice-To-Haves:

• Industry experience in asset management, maintenance software, CMMS, EAM, fleet management, mining, construction or earthmoving.

• Experience with Python and data processing libraries such as Pandas.

• Experience working on B2B SaaS products.

• Experience mentoring junior or mid-level developers.

• React Native development for Android and iOS applications.

• CI/CD tools such as GitHub Actions, GitLab CI, Jenkins or similar.

• Docker, Kubernetes or other containerised development environments.

• Cloud hosting environments and deployment pipelines.

• Automated testing frameworks for frontend, backend or mobile applications.

• Familiarity with MCP, AI agents or AI assisted development workflows.