CSHARK
Open positions
Senior Data Engineer – Speech Data Sourcing
Senior data engineer at CSHARK sourcing speech data for a client building on-device audio/speech products: managing vendors and recording campaigns end to end, controlling budgets and quality, and building Python pipelines for audio/metadata processing with dataset versioning and GDPR compliance. B2B, 120-190 PLN/h, fully remote or Wrocław/Bielsko-Biała offices.
Senior Data Engineer – Speech Data Sourcing
Senior data engineer on a CSHARK team building speech data sourcing for a client that makes on-device audio/speech AI products. Day to day: manage recording vendors and budgets, define quality/acceptance criteria, and build Python pipelines to process, validate, and version (DVC) audio datasets while ensuring GDPR/licensing compliance.
Senior Data Engineer: Audio Data Ops & Pipelines (Remote)
Senior Data Engineer at software house CSHARK owning the speech-data acquisition workflow for a client: managing vendors, defining recording protocols, and ensuring datasets arrive on time, on budget, and with proper legal grounds. Fully remote or Polish offices, B2B contract; needs strong Python, audio-data experience, and data versioning (DVC).
Fullstack Developer .NET + React
Fullstack developer building features for a SaaS fintech platform serving banks and financial institutions: designing microservices/cloud architecture, developing APIs and services with .NET/C#, and building front ends in React/TypeScript. Fully remote (or from an office) B2B role in Poland at 130-160 PLN/h on an initial 3-month project with possible extension.
Fullstack Developer (.NET + React)
Wynagrodzenie B2B: 130 – 160 PLN / godz. netto We are looking for an experienced Fullstack Developer (.NET + React) . We value direct communication and an open approach to problem-solving. Currently, we are working on…
.NET WinForms Developer
Wynagrodzenie B2B: 21000 – 23500 PLN / mies. netto We are looking for an experienced .NET WinForms Developer to join the frontend engineering team and help build high-performance, real-time trading applications used by…
Senior AIOps Engineer
Wynagrodzenie B2B: 130 – 180 PLN / godz. netto About the project You will join a CSHARK team delivering a project for our client, a technology company building on-device AI audio and speech products. You will own the…
Senior DevOps Engineer
About the project You will join a CSHARK team delivering a project for our client, a technology company building on-device audio and speech products. You will own the client’s web services and production environment:…
Senior DevOps Engineer
Wynagrodzenie B2B: 130 – 180 PLN / mies. netto About the project You will join a CSHARK team delivering a project for our client, a technology company building on-device audio and speech products. You will own the…
Senior Data Engineer – Speech Data Sourcing
About the project You will join a CSHARK team delivering a project for our client, a technology company building on-device audio and speech products. You will own how the client acquires speech data for training its…
Senior Data Engineer – Speech Data Sourcing
Wynagrodzenie B2B: 120 – 190 PLN / godz. netto About the project You will join a CSHARK team delivering a project for our client, a technology company building on-device audio and speech products. You will own how the…
Senior QA Engineer – Embedded Software Quality
Several years of experience in QA / test engineering for embedded or mobile software. Strong Python for test automation and tooling. Hands-on experience with adb , Perfetto (or systrace ) and on-device profiling.…
Lead .NET Developer (Full-Stack)
Lead .NET developer at CSHARK doing hands-on full-stack work on a lending platform for UK/European financial institutions, built on C#, .NET Framework 4.x, ASP.NET and SQL Server with legacy Delphi/COM components. The role evolves toward technical leadership, architecture and driving AI-assisted development.