JavaScript Engineer – Product Platform Core Team

We are looking for a skilled JavaScript Engineer to join our Product Platform Core Team. In this role, you will work on scalable backend systems (and occasionally frontend components) that power a world-class product used by millions of customers worldwide.

You’ll be involved in the full application lifecycle—from development and deployment to maintenance—while collaborating with experienced engineers in a culture built on trust, ownership, and transparency.

What You’ll Do

• Participate in full-cycle development of backend features (and occasionally frontend)

• Design, implement, and maintain scalable Node.js services

• Contribute engineering expertise to deliver new product functionality

• Implement features aligned with product vision and business requirements

• Write clean, maintainable code with proper test coverage

• Validate both functional and non-functional requirements

• Support and improve existing systems and services

• Collaborate with business and technical stakeholders when needed

Your Expertise

Required Skills

• Strong proficiency in JavaScript (ES6+)

• Basic to intermediate TypeScript knowledge with willingness to grow

• Experience with Node.js server-side development

• Hands-on experience with Docker

• Practical experience with SQL (queries, schemas, indexing basics)

• Experience with at least one major cloud provider (AWS, Azure, or GCP)

• Good understanding of asynchronous programming in Node.js

• Knowledge of clean code, maintainable coding practices, and OOP

• Basic understanding of SOLID principles

• Experience writing unit tests (integration tests are a plus)

• Understanding of the HTTP protocol

• Basic familiarity with common web security threats and mitigation

• Proficient use of Git

• Systematic and structured approach to problem-solving

• Willingness to work across development, deployment, and maintenance stages

Nice to Have

• Experience with another programming language besides JS/TS

• Basic understanding of client-side concepts:

  • Event loop, microtasks, macrotasks

  • Browser as a platform and DevTools

• Experience with React.js and its ecosystem

• Competent English (reading, writing, and speaking)