Senior Backend Developer

We are Boosta — a holding IT company that creates, scales, and invests in digital businesses with global potential.

• Founded in 2014
• 600+ professionals
• Hundreds of thousands of users worldwide
   

Boosta’s portfolio includes a wide range of successful IT products, as well as projects focused on performance marketing.

Since 2022, the company’s ecosystem has included its own investment fund, Burner, which provides funding in the formats of Private Equity (growth financing) and Venture Builder.

We welcome Backend Developers to join the team of professionals. 

The Product is a pioneering iOS platform designed for seamless, high-quality video communication. Freshly launched with substantial funding, we are entering an exhilarating development phase where every decision and initiative has the potential to reshape the future of mobile social interaction. 

What Sets Us Apart: 
Innovative Communication Experience: 
Our app is built to deliver a comfortable, intuitive video-calling experience that redefines social connectivity on mobile. Leveraging breakthrough technologies and state-of-the-art UX/UI design, we’re setting new standards for how users interact in a digital space. 
Startup Agility & Empowerment: 
In our fast-paced startup environment, decisions are made quickly and every team member has the freedom to drive change. We encourage you to bring your own initiatives, ensuring that innovation remains at the heart of our evolution. 
Expert-Level Team: 
We’re exclusively building a team of Mid-to-Senior specialists. Here, you’ll work alongside experts who are passionate about technology and social platforms—providing an environment that not only challenges you but also propels your professional growth. 
Owner Mentality: 
We believe in full ownership. Every member is empowered to treat their domain as a mini-business—taking initiative, owning outcomes, and making strategic decisions that directly influence the company’s trajectory. 
Cutting-Edge Tech Stack & AI Integration: 
You will have the opportunity to define and shape our technological foundation from the ground up. Core to our platform are AI-driven algorithms that enhance user experience by intelligently selecting conversation partners and moderating content, fueling our growth and setting us apart in the market. 
Data-Driven Decision Making: 
Our approach is anchored in analytics. Every decision is backed by data and clear justification, ensuring that we remain agile, responsive, and strategically aligned with market needs. 
 

WHAT WE EXPECT FROM YOU

• Solid experience in Nest.js backend development
• Proficiency with both relational and non-relational databases (e.g., Postgres, MongoDB, Redis)
• Familiarity with SOA/Microservices, including communication, patterns, and development processes
• Experience with WebSockets and messaging technologies (e.g., NATS)
• Proficiency in utilizing AWS services (e.g., S3, Aurora, Cloudfront)
• Results-Driven Mindset
• Proactive Innovation
• Business Value Ownership
• Entrepreneurial Spirit
• Data-Driven Decision Making
   

HOW IT WORKS

• Stage 1:  Pre-screen with a recruiter.
• Stage 2: Technical Interview
• Stage 3: Intro with the Founder
• Stage 4: reference check.
• Stage 5: job offer!

WHAT WE OFFER

• 28 business days of paid off
• Flexible hours and the possibility to work remotely
• Medical insurance and mental health care
• Compensation for courses, trainings
• English classes and speaking clubs
• Internal library, educational events
• Outstanding corporate parties, teambuildings
   

Come be a part of our journey—where every idea matters, every decision impacts, and every team member is an owner.