Senior Scala Engineer

EPAM is seeking a Senior Scala Engineer to join the Experimentation & Experience Controls team building a high-scale, in-house A/B testing and Feature Flagging platform for a global streaming, entertainment brands, and digital experiences provider reaching hundreds of millions of users worldwide.

The platform is capable of serving millions of concurrent requests with single-digit millisecond response times, and its scope extends across the client's entire portfolio of streaming products and entertainment brands.

You will be part of an engineering organisation grounded in Scrum and Agile practices, CI/CD, close collaboration, and continuous learning and improvement.

Responsibilities

• Lead a significant part of the implementation, design, testing, and deployment of services running in a multi-region cloud environment.
• Ensure quality and high standards for feature development through automated testing and code reviews, setting examples for others to follow.
• Work with the Lead Engineer in partnership with Product and Project Management to influence roadmap and architectural decisions within the team.
• Support Agile practices within the squad, actively contributing to ceremonies such as standup and planning.
• Mentor less experienced engineers to help them improve their technical abilities and build their profiles within and outside the organisation.
• Contribute to an inclusive culture that values learning, close collaboration, and strives for excellence.

Requirements

• Strong understanding of high-quality coding, testing, and development practices.
• Experience in a JVM language such as Java, Scala, or Kotlin. The team primarily uses Scala with functional programming principles and frameworks such as Cats Effect and ZIO; willingness to learn Scala is welcome.
• Familiarity designing, building, and operating distributed systems with multi-level failover and fallback strategies.
• Familiarity with at least one major cloud provider: AWS, GCP, or Azure.
• Familiarity with Terraform or other infrastructure-as-code (IaC) tooling.
• Strong communication skills, with the ability to understand, frame, and simplify technical and business requirements.
• Experience mentoring and coaching engineers on technical and soft skills.

Nice to have

• Experience building micro/web services, including REST and GraphQL.
• Experience or interest in functional programming and its real-world applications, particularly Scala stacks such as Cats Effect and ZIO.
• Experience with relational and NoSQL databases, particularly PostgreSQL, Aurora, and DynamoDB, including data modelling and query performance optimisation.
• Experience with Kinesis, Kafka, or other streaming data technologies.
• Familiarity with data warehouse, pipeline, and analytics platforms such as Databricks or Snowflake.
• Background in high-traffic, low-latency systems serving millions of concurrent users.
• Experience working in the entertainment, media, or streaming domain.

We offer

• Hybrid-by-design work mode and an opportunity to work remotely within Poland.
• Opportunity to work abroad for up to 60 days annually.
• Business-driven relocation opportunities.
• Career development programs.
• Thought leadership, mentoring, soft-skills, and well-being programs.
• Certifications: Anthropic, Gemini, GCP, Azure, and AWS.
• English classes.
• Stable pay.
• Participation in the Employee Stock Purchase Plan with a 15% discount.
• Benefits package including health insurance, multisport, and shopping vouchers.
• Referral bonuses up to $2,000.
• Offices with entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more.
• Corporate, social, and well-being events.

Benefits listed above are available to employees only.

Contractor engagement is available; terms of B2B cooperation agreements are agreed individually.

Only selected candidates will be contacted.