Strong Middle/Senior Back-End Developer (Node.JS)
Remote Full-time ZR_1456_JOBProject overview
We are looking for a Strong Middle/Senior Back-End Developer (Node.js) who is excited to build a product that connects music, technology, and people.
At Vibo, we create tools that help DJs and event organizers turn moments into unforgettable experiences. You’ll be working on the core of our platform, developing scalable backend features that are used by thousands of users every day.
In this role, you’ll design and implement new backend functionality, maintain and improve the existing system, and collaborate closely with product, design, and engineering teams. We value strong engineering thinking, clean and maintainable code, and true ownership of features – from idea to production.
Requirements
- 4+ years of hands-on experience in backend development with Node.js .
- Proven proficiency in Express.js, MongoDB, and Git (GitHub or Bitbucket) within collaborative, team-based workflows.
- Strong understanding of software design patterns, algorithms, data structures, and SOLID principles.
- Engineering thinking and feature ownership. Not to overuse AI tools (like Claude AI,
ChatGPT) – people engineering skills value matters.
- Strong knowledge of API design principles.
- Experience with performance optimization, scalability, and asynchronous processing in Node.js.
- Experience with AWS, Firebase, and GraphQL.
- Passion for building clean, maintainable, and scalable code that aligns with product goals.
- Upper-Intermediate (B2)+
Nice to have
- AI & Innovation (Preferred Experience)
- Integration of Large Language Models (LLMs) such as OpenAI or AWS Bedrock.
- Practical understanding of prompt engineering and Retrieval-Augmented Generation (RAG) pipelines.
- Familiarity with AI orchestration frameworks and building intelligent system workflows.
Responsibilities
- Developing new backend features, fixing bugs, and maintaining the existing platform
- Participating in new feature design;
- Participating in team meetings;
- Supporting project infrastructure (codebase, database);Youʼll be the engine behind our cutting-edge platform, creating features that impact thousands of users. Youʼll collaborate with a passionate team to solve real-world challenges and deliver seamless, reliable solutions that our users love.
We offer
- 20 vacation days (workdays)
- 7 sick days
- Personalized career growth
- Education reimbursement
- Corporate events and team buildings
- Equipment provided
Sharing Impressions
I like the company that we all work as a united and well-coordinated team. The company provides great opportunities for development and career.
Hey! My name is Dmytro, I have been working as a motion designer at Group 107 for over a year. Here I like the fact that I have the freedom to be creative and really cool projects.
Hi, my name is Anastasia and I am a Scrum-master in Group 107. In 2020, Group 107 came into my life and became my place of strength and development.
Hello, I am Sam. I have been working at Group 107 as a digital campaign specialist for 2 years and it is the best position ever!
My name is Nazar and I am a React developer Group 107. I have been working here for over a year. The company has very interesting and cool projects, mega-positive people.
I like that company cares about me as a person and about my personal growth. I like being appreciated and listened to. Everytime I feel being motivated and inspired at work.
I have been working at Group 107 for more than 2 years. Most of all I like the friendly atmosphere in the office and the team spirit – it is priceless.
It is my best decision ever! I like that company combines dynamic business approach with top-notch technologies and very strong people-oriented values.
When I came to work, there were only about 20 of us, at the moment there are 100+ of us, and the feeling of support and friendship remains the same as in a small team.
What I like most is the family atmosphere, interesting projects, flexible management and the opportunity to develop my professional skills every day.
From the beginning, I felt like I’m in a big family where everybody supports each other and ready to help at any time. Group 107 gives great opportunities to develop your skills.