Senior Scala Engineer

Join the team building a high-scale, in-house A/B testing and feature-flagging platform for global streaming products and entertainment brands. The platform serves millions of concurrent requests with single-digit millisecond response times across a broad portfolio of digital experiences.

The engineering organisation works with 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, Product, and Project Management to influence the team roadmap and architectural decisions.
• Support Agile practices within the squad, actively contributing to ceremonies such as stand-up and planning.
• Mentor less experienced engineers to improve their technical abilities and build their profiles within and outside the organisation.
• Contribute to an inclusive culture that values learning, close collaboration, and 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 with 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 tooling.
• Strong communication skills, including 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 microservices or 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 in the entertainment, media, or streaming domain.

We offer

• Hybrid-by-design work 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 in Anthropic, Gemini, GCP, Azure, and AWS, plus 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. Contractors are welcome; terms of B2B cooperation agreements are agreed individually. Only selected candidates will be contacted.