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  • All offersWarszawaDataSenior Data Engineer
    Senior Data Engineer
    The Codest

    Senior Data Engineer

    The Codest
    Type of work
    Employment Type
    Operating mode
    The Codest

    The Codest

    The Codest is a team of true tech enthusiasts. We create custom software for clients all over the world, using our twelve years of experience and our genuine passion for what we do. The quality of our code comes first because… In Code We Trust! ✌️

    Company profile

    Tech stack



      ETL tools




      Amazon AWS



      nice to have

    Job description

    Online interview

    🌍 Hello World!

    We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects.

    Our core values lies in "Customers and People First" approach that prioritises the needs of our customers and collaborative environment for our employees, enabling us to deliver exceptional products and services.

    Our expertise centers on web development, cloud engineering & DevOps and quality assurance (QA). Our mission became clear after many years of software development, as we want to specialise in scaling tech teams for clients and partners.

    But our journey does not end here - we want to continue our growth. If you're goal-driven and looking for new opportunities, join our team! We assure you of an enriching and collaborative environment, fostering your growth at every step.

    We are currently looking for:


    Here, you will have an opportunity to contribute to a banking app for one of the leading financial groups in Japan. The platform is equipped with bank modules and data management features and is also customer-facing. Core technologies used in the project are Python and Vue. Currently, there is a large data migration project in the works.

    💡 Key Responsibilities:

    • Develop unitest and regression tests of existing and new operational flows in coordination with the data engineering development team.
    • Perform manual and automated tests on the existing and new flows.
    • Identify bugs and correct them wherever possible.
    • Provide suggestions on areas for improvement.

    Job requirements

    ✅ Requirements (skills & experience):

    • Advanced English in speaking and writing (you will be working with international clients only)
    • 3 - 5 years of commercial experience ETL tools 
    • Experience with programming languages such as Python
    • Knowledge of Apache NiFi will be a big bonus
    • Proficient in using regular expressions and relational databases
    • Skilled in understanding and applying coding workflows and logic
    • Experienced in designing and managing data engineering pipelines and workflows
    • Competent in handling and improving low-quality data

    📜 Our Promise (what you can expect from us):

    • 20 - 24k PLN (B2B / useme)
    • 1800 PLN per year for your self-development
    • 1800 PLN per year for all of your home office needs
    • Remote work in 100%
    • A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them!

    📌 Recruitment process:

    • Screening call (30 min)
    • Tech Interview with our developer (60 min)
    • Tech Interview with Client (90 min)
    • Offer

    Questions, insights? Feel free to reach out to our recruiting team:


    In the meantime, feel free to visit our website where you can find key facts about us.