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Lead / Senior Product & Platform Engineer

  • Remote
  • Wrocław
  • Bielsko-Biała
  • Lead 170 - 200 PLN/h + VAT B2B
Apply Now!

Unfolding Your Next Role

We are looking for a Senior / Lead Product & Platform Engineer to join a product development team working on a core platform focused on product enhancement, performance, reusable capabilities and complex engineering.

You will work closely with an international team, contribute to the development of the platform and mentor engineers joining the project.

Your Daily Missions

  • Developing and enhancing a core product platform.
  • Working with Kotlin and Java on GCP.
  • Building REST APIs, microservices and asynchronous processing solutions.
  • Working with PostgreSQL, Redis and Firestore.
  • Developing CI/CD and deployment automation using Docker.
  • Ensuring proper testing, monitoring, logging and performance.
  • Troubleshooting production issues.
  • Building reusable capabilities and solutions.
  • Using AI coding tools to accelerate development while verifying generated code.
  • Mentoring other engineers and communicating technical decisions clearly.

The Essentials We’re Seeking

  • Minimum 5 years of commercial experience as a Java Developer.
  • Strong commercial experience with Kotlin and Java.
  • Strong experience with GCP, including Cloud Run, Compute Engine, Cloud Storage, IAM and networking.
  • Strong written and spoken English (C1), with experience working in an international environment.
  • Experience with REST APIs, microservices and distributed systems.
  • Experience with PostgreSQL, Redis and Firestore.
  • Experience with CI/CD, Docker and automated deployments.
  • Practical experience delivering AI-agentic / LLM features.
  • Understanding of retrieval grounding, moderation and hallucination management.
  • Ability to quickly work in an unfamiliar Kotlin/GCP codebase using AI coding tools.
  • Strong engineering judgement and a reusability mindset.
  • Ability to work independently and mentor other engineers.

Nice-to-haves

  • Terraform, Pub/Sub, Vertex AI or OpenAI APIs.
  • Experience with high availability, fault tolerance, high-throughput / low-latency systems, concurrency or caching.
  • Experience with OAuth / OIDC / JWT, secrets management or encryption.
  • Experience with voice or conversational AI.
  • Experience in collections, contact-centre or financial services.

Our
Benefits

At CSHARK, it’s not about trendy perks or the latest gaming console in the lounge. Based on feedback from our team, what truly counts is an environment conducive to focused work, structured processes, and continuous skill development. We prioritize what genuinely enriches the daily work experience, ensuring that every moment spent with us is both productive and fulfilling. 

100% remote work

Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative. 

Flexible hours

Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.

International projects

Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Business english lessons

Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Participation in charity actions

Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.

In-house technology workshops

Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops. 

100% remote work

Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative. 

Flexible hours

Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.

International projects

Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Business english lessons

Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Participation in charity actions

Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.

In-house technology workshops

Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops. 

Explore the Heartbeat of CSHARK

Discover the essence of our guilds’ expertise, advanced tools and tech stack, and our real-world successes. Delve into impactful case studies and hear genuine insights from our team

Get to Know How We Work
CSHARK