Warsaw - Full-time / Hybrid

We are hiring:

Full Stack Software Engineer (JVM/JS/TS | Ad-Tech)

Fullstack Software Engineer (JS/TS | Ad-Tech)

Lead Data Scientist

Senior Data Scientist

Data Scientist

Junior Software Engineer

Workplace Specialist

Lead Payroll Analyst

If you are in Warsaw and comply to this position requirements - please PM me your updated CV and full name.

About the Senior Software Engineer (Full Stack)

• As a Senior Software Engineer, you will play a key role in designing, building, and maintaining core platforms that power our AdTech business. You will collaborate closely with Software Developers, QA Engineers, and Product Owners to deliver innovative, high-quality solutions that operate at global scale.
• You will work in a hybrid environment—building strong relationships with team members at our Warsaw office while collaborating remotely with colleagues and stakeholders across the world
• In this role, you will develop and maintain systems across the full stack, leveraging technologies such as Nest.js, React, TypeScript, Kafka, PostgreSQL, Kubernetes, GCP, Google Gemini, and Cursor, alongside other industry-leading tools and Platforms.
• Beyond hands-on development, you will engage in continuous learning—participating in industry events, training sessions, and company initiatives to deepen your expertise in software engineering, AdTech, and the broader technology landscape. 

About You as the Senior Software Engineer (Full Stack)

• At least 5 years of progressive related experience with a Bachelor’s degree in Computer Science, Engineering or equivalent experience. AdTech experience will be a plus
• Hands-on experience with web software development frameworks and technologies. Knowledge of any of the following is a plus: Node.js, Nest.js, Next.js, Typescript or Java Script
• Hands-on experience with back-end and cloud technologies. Knowledge of any of the following is a plus: relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis), messaging/streaming systems (Kafka), cloud platforms (GCP) and related technologies (Kubernetes)
• Experience with maintaining production systems, including observability and incident responsePositive and pragmatic approach to software engineering with a bias toward action, ownership, and systemic improvement
• Excellent team-working and collaboration skills, with proven ability to work effectively with cross-functional teams (engineering, product, design, QA, stakeholders) and contributing to engineering culture, code reviews, and best practices
• Strong interpersonal and communication skills, with the ability to explain technical trade-offs, influence decision-making, and reach effective compromises
• Fluent in spoken and written English
• Full working rights in the base location of the role (Warsaw, Poland) and willing to work hybrid at our Warsaw Site