Senior Backend Engineer (Tech-Agnostic)

Who We Are

Recruitment.bg is a boutique IT recruitment company, based in Bulgaria. We aim to work with the top employers in the industry, companies that we thoroughly vet and trust. Our mission is to guide IT professionals toward improved career paths by understanding their skills, crafting employment strategies, and supporting them every step of the way. Placing emphasis on honesty, respect and reliability while delivering exceptional service by going the extra mile, we build long-term relationships with the people and organizations we work with.

About the Company

Our client is a forward-thinking tech organization specializing in online gaming solutions, offering a broad portfolio that includes casino games, sportsbook services, and a complete gambling platform. Headquartered in Sofia, the company operates globally across 25 countries and 85+ jurisdictions. As an innovation-driven leader in the dynamic iGaming sector, they maintain a strong focus on continuous growth and advanced technology.

Responsibilities

Produce high-quality, production-ready code across multiple technologies (not tied to a single stack like Java or .NET).

Participate in architectural discussions and contribute to key technical decisions.

Break down tasks, manage allocation, and track progress effectively.

Serve as the primary code quality gate within the team.

Ensure high performance, scalability, and operational reliability of the solution.

Facilitate team alignment and smooth coordination.

This role does not include:

Setting team direction and long-term strategy

Committing to deadlines

People management or performance evaluations

Defining long-term technical vision

Final product quality sign-off

Decisions related to promotions

Requirements

~10 years of hands-on software development experience with Java or .NET.

Strong object-oriented design skills.

Excellent SQL knowledge.

Experience with message brokers such as Kafka or equivalent.

Background as a Team Lead is considered an advantage.

Proactive, self-driven approach with ownership mindset.

Deep understanding of multithreaded applications.

Experience in building microservices-based architectures.

Very good understanding of TCP/IP and other network protocols.

Solid grasp of the HTTP protocol and related principles.

Benefits & Perks

Competitive salary and annual performance bonus

Bi-annual performance review cycle

25 days paid annual leave

Hybrid work model – 2 days WFH weekly

Flexible working hours

Premium additional health insurance

Sports card & transportation card covered by the company

Company shuttle to the office

Professional trainings, conference tickets & development programs

Team events, corporate activities & supportive work culture

Modern office environment with relax zones

All applications will be treated as strictly confidential.

Only short-listed candidates will be contacted.

[GV]