Senior Backend Developer

United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide

About the role: This role offers the opportunity to work on high-load products, build features used by thousands of users, and influence technical decisions from design to production. You’ll participate in the full development lifecycle from analyzing business requirements and decomposing product epics to designing technical solutions, implementing new features, and improving existing systems. Working closely with Product, Design, and Engineering teams, you’ll help build scalable and reliable services while continuously improving code quality and reducing technical debt.
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In this role, you will

Take part in team processes (grooming, sprint planning)

Develop and deliver product tasks to the production environment

Work on reducing and preventing technical debt

Create technical designs for product epics

Decompose epics into clear, executable tasks

Conduct technical investigations and propose solutions

It’s all about you

4+ years of commercial experience in backend development

3+ years of experience with Node.js backend development

Experience with relational and non-relational databases (MongoDB, Postgres and Redis)

Experience with SOA/Microservices (communication, development process)

Experience with patterns (DDD, event-driven, SOLID, CQRS)

Experience working with WebSockets (ws, socket.io)

Experience working with messaging (BullMQ, RabbitMQ, Kafka)

Experience with cloud providers (AWS, GCP, etc)

Experience in scaling and high-load products

Upper-Intermediate English or higher

What we offer

Care and support: 

20 paid vacation days, 15 sick days, and 6 additional days off for family events

Up to 10 additional days off for public holidays

100% medical insurance coverage

Sports and equipment reimbursement

Team building events, corporate gifts, and stylish merch

Financial and legal support

Position retention and support for those who join the Armed Forces of Ukraine

Maternity Recovery Support Allowance

Participation in social initiatives supporting Ukraine

Comfortable working environment:

Work from our Kyiv hub or remotely with a flexible schedule

Modern equipment or depreciation of your own tools

Investment in your future:

Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche

Performance-oriented reviews and Individual Development Plans (IDPs)

Reimbursement for professional courses and English classes

Corporate library, book club, and knowledge-sharing events

Hiring process

Intro call

Tech Interview

Final Interview

Reference check

Offer

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