techquarter

Senior Backend Developer (Node.js)

Cluj-Napoca, Cluj County, Romania (city only)

Hybrid

First seen by offpeak October 22, 2026

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ABOUT YOU: We are searching for a driven Node.js Developer who will play a pivotal role in turning digital concepts into reality. In this position, you will be responsible for analyzing, designing, testing, developing, and maintaining prime software experiences. Are you someone who is highly motivated, self-driven, and capable of tackling ambitious product development goals? Our objective is to ensure seamless interoperability between applications and platform services, with a strong emphasis on scalability, resilience, accuracy, and reliability. We are looking for individuals who share our focus and dedication. The first three months will require full-time office presence, after which the position will allow for a flexible schedule with 2-3 days per week in the office. If this resonates with you, then keep reading below. We also expect you to take full ownership of the software artifacts you create, while consistently upholding the highest technical standards and delivering exceptional customer experiences.

IN THIS ROLE YOU WILL:

Demonstrate capability in designing, developing, testing, and maintaining large-scale cloud-native applications using Node.js;
Design and implement highly performant RESTful APIs and data processing pipelines for mobile, web, and 3rd party integrations;
Build scalable backend services using modern Node.js frameworks (e.g., Express, NestJS, Fastify);
Maintain relentless focus on the qualitative aspects of backend services including performance, scalability, observability, reliability, and security;
Work with asynchronous programming patterns and event-driven architectures;
Participate in technical architecture discussions and contribute to key technical decisions;
Possess strong problem-solving and analytical skills;
Handle multiple projects and assignments simultaneously in a cross-functional team environment.

YOU ARE A GREAT FIT IF YOU BRING THE FOLLOWING:

Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience;
5+ years of professional software development experience;
Strong experience building robust backend services and REST APIs using Node.js;
Experience with frameworks such as Express.js, NestJS, or similar;
Solid understanding of asynchronous programming, Promises, async/await, and event loop;
Experience working with databases (SQL and/or NoSQL – e.g., PostgreSQL, MySQL, MongoDB);
Familiarity with microservices architecture and cloud environments (AWS, Azure, or GCP);
Basic knowledge of frontend technologies – JavaScript, TypeScript;
Understanding of Agile software development lifecycle and DevOps principles (CI/CD, Docker, etc.);
Passion for software development, emerging technologies, and innovation culture;
Positive mindset and can-do attitude;
Excellent communication and interpersonal skills.

WHAT ABOUT US
We’re a results-driven team of IT professionals with a knack for innovation and using the latest technologies to help enterprises achieve digital transformation. Our winning formula encompasses a holistic approach to software development, expert guidance, and a trusted partnership. Our mission is to help build cutting-edge software solutions specifically designed to improve operational efficiency, increase productivity, help alleviate costs, and enhance customer experience.
WHAT WE OFFER:
🏥 Comprehensive Medical Insurance to ensure you're covered. 🏋️ Monthly Gym allowance up to 150 RON to keep you active and fit. 🌴 24 holiday days plus 3 bonus days off for rest and relaxation. 🎂 A day off on your Birthday because it's your special day! 🏡 3 days of remote work per week for work-life flexibility. 📚Bookster 🛠️ Technical Trainings & Certificates to keep your skills sharp. 🎓 Learning & Development sessions to fuel your growth. 🍽️ Weekly breakfast/lunch at the office to fuel your productivity. 🏞️ Yearly team building and other exciting company gatherings!