Tech Lead – Full Stack; Node.js​/Python, React, AI

Tech Lead – Full Stack (Node.js/Python, React, AI)

App Great is one of the fastest growing global IT companies, supporting the highest tech organizations in the world with 6 locations: 1 in Sofia, 1 in Skopje, 1 in Bucharest, 1 in Tel Aviv 1 in Chisinau, 1 in Warsaw.

We are working with top talents and highly experienced management to ensure the world’s leading technology companies meet all the business challenges that the future holds.

We are App Great
! We are a young and ambitious company like no other!

WHY TO JOIN OUR TEAM?

The most important part of App Great is the team. From our founders to the last person, we are committed to creating a pleasant environment and a place where everybody feels like they belong.

We invest in them in any way we can, starting from the amazing atmosphere in the office, unique benefits, and career growth opportunities.

We are looking for a Tech Lead to drive the development of backend-first systems for live gaming. You will lead a team of 4 developers building software to manage real-time game events, machine state, and data flows, connecting physical machines, game services, and React-based frontends. You will also leverage AI-driven tools to improve automation, reliability, and operational insight.

YOUR MISSION:

• Lead the design and implementation of backend systems supporting live dealer games.
• Own real-time, event-driven services that process machine events, game states, and player outcomes.
• Design and maintain software integrations with physical gaming machines and control systems.
• Ensure consistency between physical machine behavior, backend logic, and frontend representation.
• Define and own APIs consumed by player-facing and operational React applications.
• Contribute to and review React-based frontends (monitoring tools, admin panels, live views).
• Architect and integrate AI-driven capabilities such as anomaly detection, automation, operational insights, or intelligent tooling.
• Identify practical AI use cases to improve system stability, quality control, and live operations.
• Drive effective use of AI developer tools to improve delivery speed and code quality.
• Own release readiness, live incident response, and post-incident improvements.
• Continuously improve system architecture, tooling, and development processes.

WHAT YOU WILL BRING TO THE COMPANY:

• Strong experience as a Backend Engineer with Node.js and/or Python
  .
• Experience building real-time or event-driven systems in production.
• Proven experience integrating software systems with external hardware or devices (software-side).
• Hands-on experience with React and modern frontend development practices.
• Experience leading or mentoring engineers in a live or production-critical environment.
• Strong understanding of state management, data consistency, and event processing.
• Experience integrating AI-powered services or automation into production systems.
• Familiarity with cloud infrastructure, CI/CD pipelines, and monitoring/observability.
• Awareness of security, reliability, and operational risks in live systems.
• Clear communication skills and strong ownership mindset.

NICE TO HAVE/ADVANTAGE:

• Experience with live gaming, broadcast systems
  , or real-time transactional platforms.
• Exposure to regulated environments or certification processes.
• Experience with LLMs, prompt design, or AI orchestration frameworks
  .
• Background in building internal operational or studio-facing tools.

OUR COMMITMENT TO YOU
:

• Attractive remuneration package.
• Working style – Hybrid.
• Flexible Working Hours
  :
  We care about results, not when you clock in, depending on the team working schedule.
• Comprehensive Private Medical Insurance
  :
  Your health matters to us (UNIQA).
• Annual leave starting with 21 days up to 25 days (depending on the relevant experience).
• Plus an extra day off to celebrate your birthday 🎉.
• Multisport Card
  :
  Stay active with a subsidized membership, courtesy of App Great.
• Netflix or Spotify Subscription
  :
  Your choice, fully covered by us for your entertainment and relaxation.
• Monthly Food Vouchers
  .
• eMAG birthday gift voucher: A little extra something to celebrate your special day.
• Childbirth gift: A thoughtful gift to support and celebrate one of life’s most important…