Lead Full‑Stack Engineer (Node.js + React)

R Systems is searching for an experienced Lead Full Stack Engineer (Node.js + React) to join our team of innovators!

You’ll build and scale production‑grade web applications & software products owning features end‑to‑end across a modern React/TypeScript frontend and Node.js microservices backend. You will build modern SaaS & AI products to serve global customers.

You will become an expert in using GenAI in SDLC (Cursor, Codex, MCP, Claude)

Your contribution:

Ship core product features across React, TypeScript, Node.js, and MySQL while prioritizing scalability, reliability, and maintainability.
Create reusable UI and service components and contribute to shared libraries.
Design & evolve microservices, including Kafka‑based event streaming and asynchronous workflows.
Tune performance using caching (e.g., Redis), advanced SQL, database optimization, and observability/monitoring.
Raise the engineering bar: perform code reviews, enforce standards, and drive best practices.
Lead delivery for complex initiatives from design to production, collaborating tightly with Product & QA in Agile sprints.
Mentor engineers; document systems, APIs, and workflows for technical and non‑technical stakeholders.
Scope & estimate: discovery, architecture options, and delivery plans.

Bring along:

Bachelor’s in CS (or equivalent practical experience).
8+ years of professional full‑stack experience with strong depth in Node & React. Typescript is ideal.
Experience architecting complex software solutions & modernization
Track record building complex React apps using modern patterns (Hooks, modular CSS, ES6+).
Hands‑on with microservices and Kafka event streaming.
Comfortable using AI‑assisted dev tools (Cursor, Claude, GitHub Copilot or similar) responsibly for productivity and quality.
Solid Git/GitHub workflows; Agile team experience.
Demonstrated technical leadership: mentoring, reviews, and delivering critical projects.

Required Expertise

Backend: Node.js, Express.js, TypeScript, RESTful APIs, Microservices, Redis
Frontend: React, TypeScript, CSS Modules, ES6+, React Hooks
Database: MySQL, advanced SQL, performance tuning
Event‑Driven: Kafka (streaming, event sourcing, async orchestration)
Testing: Jest (unit & integration)
Cloud (AWS): EC2, RDS, Lambda, S3, CloudWatch, API Gateway, SQS/SNS

What's in it for you:

Hybrid work policy

A hybrid work policy, to promote and improve work-life balance! We’ll also provide the proper work equipment to ensure there is no digital barrier you can’t break.

Health coverage

Stay healthy and feel always in safe hands with full access to private medical subscription.

Professional development

Keep your knowledge fresh and achieve your professional goals, with free and unlimited access to Udemy online learning platform. We also provide 5 days off yearly to enjoy these courses plus, paid study holiday for bachelor students.

Building a community

If you know some awesome & talented innovators, recommend them to us and you’re in for a neat referral bonus. We also hope you’ll genuinely like us enough to stick around and enjoy our long-term contribution rewards.

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People-centered offices

Our offices are not only hip and cool, with private and co-working spaces, but also situated in central city locations, so that you can get there easily. Coming to the office is also a great opportunity to enjoy some fun activities in the company of your colleagues.

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Food for thought

To feed both your body and brain, we like to organize occasional Lunch & Learn sessions. If these leave you hungry for more, you can always enroll in our mentoring & coaching sessions.

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Healthy rivalry

Running shoes are not included in your welcome kit, but you may need to get a pair ASAP because we take our (inter)company sports competitions very seriously. And if you're competitive but sports are not your forte, you can always join our hackathons or reading marathons.

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A chance to give back

If you’re a charitable soul like us you’ll enjoy planting trees, baking cakes, playing chess, crafting, or donating to a cause in our social community events.

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Lots of fun

Our awesome people may be spread across many countries & cities, but we like to team up for some fun as often as we can. Be it team buildings, parties, or other team events, we take on every opportunity to meet and strengthen our sense of community.

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Who we are as a company:

R Systems is a global technology and analytics services company. We help our clients achieve speed-to-market, overcome digital barriers, and create business value with our specialized service offerings and consultative business approach.

We speak the language of business as fluently as we do the language of technology. In other words: We speak Digital. Our goal: accelerate our clients’ digital leadership.

At R Systems EU, we embrace diversity. Inclusion is a priority for us, and we are eager to foster an environment where everyone feels valued. We welcome applications regardless of ethnicity or cultural background, age, gender, nationality, religion, disability or sexual orientation.