Full Stack Developer (React & Node.js)

Optiveum  is a recruitment and consulting company created based on our 20-plus years of experience in HR & IT services.

We work for  Clients located in Poland and abroad  providing our local and international Candidates with  Project-based or Permanent job opportunities  in a remote or office-based model.

Optiveum sp. z o.o. to firma rekrutacyjno- konsultingowa prowadzona na bazie naszego ponad 20-letniego doświadczenia na rynku usług HR i IT.

Pracujemy z klientami w Polsce i za granicą oferując międzynarodowym kandydatom pracę stałą lub projektową u  Klientów w biurze lub w modelu zdalnym.

DANE FIRMY / COMPANY DATA

Optiveum Sp. z o.o.

ul. Tomasza Zana 43 lok. 2.1  20-601 Lublin

nr KRS : 0000834436, NIP 7010975729

Firma wpisana do Krajowego Rejestru Agencji Zatrudnienia pod numerem :  23910

Contact us at : info (at) optiveum.com

About the Company

Our client is a rapidly growing US-based technology firm with global operations. With a strong commitment to innovation and quality engineering, the company is building a new engineering hub in Warsaw. This is your opportunity to join a high-performing team developing next-generation digital solutions for the private capital markets.

Location & Setup

Start remotely and transition to a hybrid model based i n Warsaw (3 days / week in the office in the coming months).

The Role : Full Stack Developer (React & Node.js)

We’re looking for a highly skilled Full Stack Developer with at least 5 years of professional experience in designing and delivering high-performance web applications. You’ll work on both the front-end and back-end, contributing to the full software development lifecycle.

Key Responsibilities

Develop responsive UIs with React.js , Redux , and modern JavaScript (ES6+)

Build scalable server-side apps and RESTful APIs with Node.js and Express

Collaborate on database design and integration (SQL or MongoDB)

Design scalable application architecture and microservices

Write robust unit / integration tests and debug efficiently

Implement CI / CD pipelines and containerization using Docker

Participate in agile collaboration with product managers, designers, and engineers

Monitor performance and maintain production-grade applications

Maintain technical documentation

What We’re Looking For

Front-End :

Strong experience with React.js, Hooks, Redux, component-based architecture

Solid knowledge of HTML5, CSS3, and ES6+

Familiarity with tools like Webpack, Babel, or Vite

Back-End :

Proficiency in Node.js & Express.js

API design experience (GraphQL preferred or REST)

Understanding of authentication protocols : OAuth, JWT, sessions

Databases & DevOps :

Experience with PostgreSQL , MySQL, or MongoDB

Familiarity with Docker, Kubernetes is a plus

Experience with AWS , Azure , or GCP is a bonus

Proficiency with Git and Agile / Scrum methodologies

Qualifications

Bachelor’s or Master’s in Computer Science or related field

5+ years of hands-on experience in full stack development

Proven track record of maintaining production applications

Soft Skills

Analytical thinker and effective problem-solver

Strong team collaboration and communication

Self-motivated with excellent time management

Passion for learning new technologies

What’s Offered

Competitive salary up to $6,000 USD / month

Flexible remote start; hybrid model in Warsaw

Generous Paid Time Off (PTO)

Full benefits package

Chance to shape a new engineering hub and work on high-impact projects

A supportive and innovation-driven work environment