Senior Scala Developer

GR8 Tech; Polska; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading technology company in Poland is seeking a skilled Software Engineer to develop high-load transaction processing software. You will contribute to a microservices architecture, with a strong focus on Scala and Java. This role offers attractive benefits including flexible work arrangements and a vibrant company culture that promotes growth and collaboration.

Benefits

Sports activities

Medical insurance

Mental health support

Home office equipment

Language courses

Remote work support

Career development programs

Qualifications

• 3+ years of experience with Scala.
• 5+ years of experience with Java.
• Strong knowledge of Scala and its ecosystem.

Responsibilities

• Deliver maintainable software with solid design principles.
• Design and implement new features for a transaction processing platform.
• Collaborate across teams to deliver cohesive solutions.

Skills

Scala

Java

Database technologies (SQL and NoSQL)

Collaboration

Agile methodologies

Tools

Kubernetes

Docker

Apache Kafka

Cassandra

Job description

GR8 Tech is a leading B2B provider of iGaming solutions that empowers operators to grow, lead, and win.

Our ambition drives us, our people make it real. Join us and be part of building champion-level success!

About our product:

The platform is built on an event-sourcing approach, featuring a dynamically scalable microservices architecture with a cluster-based deployment. Designed with a strong focus on high availability and partition tolerance to ensure resilience, real-time processing, and seamless scalability for complex transaction flows.

Application Development: Scala, Akka(Clustering, Sharding, Persistence, Distributed Data), Play. Data Streaming and Storage: Apache Kafka, Cassandra(multi-DC), Amazon S3. Build and Continuous Integration: SBT, GitLab CI. Container Orchestration: Kubernetes.

What You’ll Be Driving:

• Delivering reliable and maintainable software, emphasizing solid design principles and thorough code reviews;
• Designing and implementing new features for a high-load transaction processing platform;
• Continuously improving and optimizing existing systems and processes;
• Collaborating across teams to deliver cohesive, end-to-end solutions;
• Contributing to the platform’s architecture and scalability in a cloud environment;
• Designing, developing, and deploying microservices within an Agile framework.

What Makes You a GR8 Fit:

• 3+ years of experience with Scala;
• 5+ years of experience with Java;
• Strong knowledge of Scala and its ecosystem (e. g. , sbt, Akka, Play Framework);
• Familiarity with Agile methodologies and functional programming principles;
• Understanding how the JVM, JDK/JRE, and accompanying technologies work;
• Proficiency in database technologies (SQL and NoSQL) and hands-on experience with Kafka;
• Collaborative mindset and fast learner.

Nice to Have:

• Familiarity with Kubernetes and Docker;
• Experience with Cassandra or other column-family databases;
• Understanding of CI/CD tools and methodologies;
• Experience with distributed systems.

Why You’ll Love Working Here:

Benefits Cafeteria

An annual fixed budget that you can use based on your needs and lifestyle. You decide how to allocate it:

• Sports – gym, yoga, or any activity to keep you active;
• Medical – insurance and wellness services;
• Mental health– therapy or coaching support;
• Home office – ergonomic furniture, gadgets, and tools;
• Languages – courses to improve or learn new skills.

Work-life

• Parental support with paid maternity/paternity leave and monthly childcare allowance;
• 20+ vacation days, unlimited sick leave, and emergency time off;
• Remote-first setup with full tech support and coworking compensation;
• Regular team events – online, offline, and offsite;
• Learning culture with internal courses, career development programs, and real growth opportunities.

Our Culture & Core Values

GR8 Tech culture is how we win. Behind every bold idea and breakthrough is a foundation of trust, ownership, and a growth mindset. We move fast, stay curious, and always keep it real, with open feedback, room to experiment, and a team that’s got your back.

• FUELLED BY TRUST: we’re open, honest, and have each other’s backs;
• OWN YOUR GAME : we take initiative and own what we do;
• ACCELER8: we move fast, focus smart, and keep it simple;
• CHALLENGE ACCEPTED: we grow through challenges and stay curious;
• BULLETPROOF: we’re resilient, ready, and always have a plan.

To keep things efficient, please apply only for roles that closely match your experience.