Backend Developer; Node.js

Position: Backend Developer (Node.js) Backend Developer (Node.js) Ixilix is a technology-driven company that builds high-quality solutions and long-term partnerships. Our team is growing, and we are looking for a Middle + Backend Node.js Developer . Requirements • 4+ years of commercial experience as a Backend / Node.js Developer • Strong knowledge of Node.js and backend development principles • Production experience with Nest.js and Next.js • Deep understanding of network protocols : HTTP/HTTPS, TCP, Web Socket (and common messaging patterns) • Strong experience with databases: MySQL , MongoDB , Redis , Click House • Proven experience in database optimization : query optimization, indexing strategies, schema refactoring • Strong knowledge of RxJS and reactive programming • Excellent understanding of OOP, SOLID principles , and design patterns • Strong Git skills (branches, rebasing, resolving conflicts) • Experience optimizing application performance and scalability • English B1 Responsibilities • Develop, maintain, and scale backend services using Node.js • Build and support applications based on Nest.js and Next.js • Design and implement REST APIs and Web Socket-based services • Work closely with frontend and full-stack developers to deliver end-to-end solutions • Participate in code reviews and contribute to high code quality standards • Optimize backend performance and system reliability • Refactor existing codebase and improve service architecture • Design, refactor, and optimize database schemas • Investigate and resolve complex production issues Nice to have • Experience with high-load systems • Understanding of event-driven architectures • Experience with message brokers (Kafka, Rabbit MQ, etc.) • Experience with microservices or modular backend architectures • Experience in game, gambling, or real-time systems (optional) Competencies • Strong analytical and problem-solving skills • Ability to work with complex legacy systems • Clear communication and collaboration skills • Ownership mindset and responsibility for delivered solutions • Proactive approach to improvements and refactoring What we offer: Rewards & Celebrations • Quarterly Bonus System • Team Buildings Compensations • Memorable Days Financial Benefit Learning & Development • Annual fixed budget for personal learning • English Language Courses Compensation Time Off & Leave • Paid Annual Leave (Vacation) - 24 working days • Sick leave - unlimited number of days, fully covered Wellbeing Support • Mental Health Support (Therapy Compensation) • Holiday Helper Service Workplace Tools & Assistance • Laptop provided by Company (after probation) Work conditions: • Remote work from EU • Flexible 8-hour workday, typically between 9:00 - 18:00 CET • Five working days, Monday to Friday • Public holidays observed according to Ukrainian legislation • Business trips to Bratislava every 3-6 months (company provides compensation of expenses) At Ixilix, we value transparency, trust, and ownership. We believe that great results come from people who care - about their work, their team, and the impact they create. Sounds like you? Let’s connect! We’re just one click away. #J-18808-Ljbffr Apply tot his job

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...