Full Stack Developer (f/m/x)

About the Position

We are seeking a Full Stack Developer to contribute to scalable web applications and microservices-based solutions. The role requires strong technical expertise across frontend and backend development, database management, and modern development practices, along with the ability to collaborate effectively in an Agile environment.

Responsibilities

• Collaborating with Product Managers, Designers, and QA teams to understand requirements and translate them into technical specifications
• Designing and developing scalable frontend features using Angular, TypeScript, Tailwind CSS, and Bootstrap
• Building and optimizing backend APIs and services with Node.js, NestJS, and Express while ensuring system performance
• Managing modular and scalable frontend and backend codebases using Nx Monorepo
• Working with MySQL and PostgreSQL databases through TypeORM, including schema design and query optimization
• Containerizing and running services using Docker and Docker Compose while coordinating with DevOps teams on Kubernetes deployment pipelines
• Writing clean and testable code, conducting peer code reviews, and maintaining development quality standards
• Participating in Agile ceremonies, including daily stand-ups, sprint planning, and retrospectives, while staying updated with modern web development practices

Requirements

• Minimum 4 years of professional experience in designing and building full-stack web applications
• Strong expertise in Angular, TypeScript, Tailwind CSS, Bootstrap, and SCSS for scalable frontend development
• Hands-on experience in backend development using Node.js, Express.js, and NestJS
• Proficiency in MySQL and PostgreSQL, with experience using TypeORM for schema design and query optimization
• Experience developing and maintaining microservices-based architectures
• Hands-on experience managing codebases using Nx Monorepo
• Ability to write clean, maintainable, and testable code, conduct code reviews, and mentor junior developers
• Fluent English communication skills required
• Immediate joiners or candidates with a short notice period are preferred

Technologies

Must have

• Angular
• TypeScript
• Bootstrap
• Tailwind
• SASS
• Node.js
• Express.js
• NestJS
• MySQL
• PostgreSQL
• Microservices

Nice to have

• typeorm
• Nx

We Offer

• Diverse portfolio of clients
• Wide portfolio of technologies
• Employment stability
• Remote work opportunities
• Contracts with the biggest brands
• Great Place to Work Europe
• Many experts you can learn from
• Open and accessible management team

About the Company

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Quick Apply

Fill in the form in English please

Job no. JOB-K6G29

Location: Białystok, Poland (Remote option in India)

Salary: 6000-8000 PLN/hour

Employment Type: CONTRACTOR

Experience Level: Senior