Lead Software Engineer (Node.js | React | TypeScript)

Remote Office; Poland; On-site; PLN 252,951 - 379,426; Full time

Job summary

A leading software development company is looking for a Senior Software Engineer with expertise in Node.js, TypeScript, and React (v18+). This remote position involves developing and maintaining scalable web applications, collaborating with cross-functional teams, and leveraging AI tools for optimizing development workflow. Ideal candidates will have 8-10+ years of experience and a strong understanding of RESTful APIs, authentication mechanisms, and modern testing frameworks such as Vitest.

Qualifications

• 8-10+ years of experience in software development.
• Proven track record developing web applications.
• Familiarity with Linux-based environments.

Responsibilities

• Develop, test, and maintain high-quality web applications using Node.js, TypeScript, and React.
• Design and implement RESTful APIs and integrate with external systems.
• Build responsive UIs using Tailwind CSS.

Skills

Node.js

TypeScript

React (v18+)

SQL

Tailwind CSS

API development

Git

AI-powered coding assistants

Tools

Vitest

Docker

PostgreSQL

Hono

Job description

Senior Software Engineer (Node.js | React | TypeScript)

Job Title: Senior Software Engineer (Node.js | React | TypeScript)

Location: Remote

Employment Type: Full-time

Experience Level: 8-10+ Years

Work Roster: 9AM-5PM AEST

Who You Are

If this sounds like you, we’d love to meet you:

• You take ownership of your work and enjoy delivering end-to-end features that make an impact.
• You write clean, maintainable code and care about quality, from testing and CI/CD to thoughtful reviews.
• You love solving problems, whether it’s debugging, optimising, or shaping architecture.
• You’re a true team player who values open collaboration, feedback, and shared growth.
• You’re always learning, exploring new tech, side projects, or AI innovations that keep you sharp.

About the Role

We are seeking a highly skilled Senior Software Engineer with strong expertise in modern web technologies to join our client's team. The ideal candidate will be proficient in Node.js, TypeScript, and React (v18+), with a solid understanding of backend and frontend development, testing frameworks, API integrations, and authentication mechanisms.

You will play a key role in designing, developing, and maintaining scalable web applications while collaborating closely with cross-functional teams to deliver high-quality software solutions. Candidates who can effectively leverage AI tools to optimise their development workflow will stand out.

Key Responsibilities

• Develop, test, and maintain high-quality web applications using Node.js, TypeScript, and React (18+)
• Design and implement RESTful APIs and integrate with external systems
• Build responsive and performant UIs using Tailwind CSS and TanStack Query
• Implement robust authentication and authorization using OAuth, OIDC, and session-based mechanisms
• Ensure high code quality with Vitest testing frameworks
• Write efficient and maintainable SQL queries and optimize database interactions
• Manage source code effectively using Git and collaborate via code reviews and branching workflows
• Utilize AI-powered coding assistants (e.g., Claude Code, GitHub Copilot) to improve productivity and maintain code quality
• Work with Linux-based environments for development and deployment
• Collaborate with designers, product managers, and backend teams to deliver seamless features

Core Requirements

• Proficiency in Node.js and TypeScript
• Strong experience with React (v18+) and modern React patterns
• Familiarity with Vitest or Jest testing frameworks
• Proficiency in SQL and relational database concepts
• Skilled in Tailwind CSS and TanStack Query
• Strong understanding of OAuth, OIDC, and session-based authentication
• Experience in API development and external API integrations
• Competent in using basic Linux command line tools
• Strong command over Git for version control and collaboration
• Demonstrated ability to maximize AI tools for enhanced development efficiency

Highly Desirable Requirements

• Experience with Bun and Hono frameworks
• Familiarity with AWS CDK for infrastructure as code
• Knowledge of PostgreSQL and Drizzle ORM
• Hands-on experience with Docker and container-based development
• Experience in container-based testing (e.g., Testcontainers)
• Exposure to monorepo-based development environments
• Proficiency with VS Code and productivity-enhancing extensions