Architect / Lead Developer (PERN/MERN + C++)

Architecture

-, Wrocław+4 Locations

Upvanta sp. z o.o.

Full-time

B2B

Senior

Remote

Tech stack

English

B2

PostgreSQL

regular

Express.js

regular

Node.js

regular

React

regular

TypeScript

regular

C++

regular

Qt

regular

Docker Swarm

regular

NGINX

regular

HAProxy

regular

Job description

Join our client's in-house team as they modernize their existing C++/Qt-based solution and transition to web technologies. The goal is to build a scalable, modern platform using technologies such as React, TypeScript, Node.js, and PostgreSQL. Your role will involve actively contributing to the development of the new system, proposing architectural directions, writing code, and supporting the team with your technical expertise

Responsibilities

• Design and develop modern web applications using React, Node.js, and PostgreSQL.

• Actively participate in architecture sessions – propose and validate technical solutions.

• Work with legacy code (C++/Qt) to ensure a smooth migration of functionalities.

• Provide mentoring and technical support to other team members.

• Collaborate with DevOps teams to design highly available on-premise environments.

• Support team building and help define the project’s technological direction.

Requirements

• Proven experience as an Architect or Lead Developer on web projects.

• Strong proficiency in PERN or MERN stacks (PostgreSQL, Express/Node.js, React, TypeScript).

• Familiarity with Next.js and web application architecture (monoliths, microservices).

• Willingness to work with legacy code (C++/Qt).

• Ability to design high-availability, fault-tolerant systems – knowledge of K8s, Docker Swarm, Nginx, HAProxy, etc.

• Strong communication skills, proactivity, teamwork, and knowledge sharing mindset.

• English language proficiency – minimum B2 level.

Nice to Have

• Experience with CI/CD tools and deployment automation (Ansible or similar).

• Experience working with Linux systems and scripting.

• Backend development experience with Python.

• Knowledge of RabbitMQ or other message queuing systems.

Sounds interesting?  If you're looking for a role where your technical and architectural expertise truly matters – this could be the opportunity for you. We look forward to receiving your application!

Published: 09.08.2025

Office location