Join a dedicated nearshore engineering team as a Senior Scala Developer to architect and optimize backend services powering SEO-GEO page generation, dynamic indexing logic, and high-frequency listing engines.
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Job Description
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We are seeking a Senior Scala Developer to join a dedicated nearshore engineering team supporting a major international technology leader operating top-tier online classifieds marketplaces across Europe and Latin America.
In this role, you will work directly inside a high-scale, complex codebase to architect and optimize backend services powering SEO-GEO page generation, dynamic indexing logic, and high-frequency listing engines. You will play a crucial role in ensuring maximum crawl budget efficiency, rapid inventory freshness, and seamless platform performance across millions of user interactions.
Details
- Role: Senior Scala Developer (Backend)
- Start Date: September 1, 2026
- Initial Duration: Until January 31, 2027 (9-month initial scope with long-term extension perspective)
- Allocation: Full-time (1 FTE)
- Work Model: 100% Remote (Nearshore Europe)
- Rate Cap: Up to 150 PLN/h net B2B
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- igh-Scale Backend Engineering: Build, extend, and maintain resilient, high-throughput backend services and APIs in Scala.
- SEO & Marketplace Intelligence: Develop scalable SEO page generation engines (mapping brand ร model ร year ร region), dynamic indexing logic based on inventory supply thresholds, and automated internal linking networks across model hubs and dealer pages.
- Performance Optimization: Lead performance tuning, latency reduction, and memory optimization efforts across large-scale distributed applications and microservices.
- System Efficiency: Optimize search crawler budget utilization and maintain real-time inventory freshness for high-volume marketplace search engines.
- Troubleshooting & Reliability: Proactively research, trace, and resolve complex technical bottlenecks, concurrency issues, and system edge cases impacting end-user experience.
- Team Enablement: Collaborate across cross-functional squads (Product, AI, Frontend, Data) and share software engineering best practices, tooling, and architectural patterns.
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- Scala Mastery: Proven commercial track record as a Senior Backend / Systems Engineer with deep proficiency in Scala and functional/object-oriented design paradigms.
- Complex Codebases: Ability to quickly navigate, comprehend, and deliver features within large, mature enterprise codebases.
- Performance & Scalability: Solid experience in high-concurrency system performance tuning, profiling, and database/cache interaction optimization.
- Cloud & Infrastructure: Familiarity with modern containerized microservice architectures hosted on AWS and managed via Kubernetes (K8s).
- Analytical Mindset: Deep technical curiosity to dig into root causes, analyze complex performance bottlenecks, and design clean, maintainable solutions.
- Communication: Excellent verbal and written English skills (B2+/C1) for smooth collaboration across international product and engineering teams.
- Experience with large-scale e-commerce, digital marketplaces, or high-traffic search/indexing platforms.
- Understanding of SEO engineering mechanics (programmatic page generation, crawl budget optimization, dynamic sitemaps, structured data).
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