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.