Know ATS Score
CV/Résumé Score
  • Expertini Resume Scoring: Our Semantic Matching Algorithm evaluates your CV/Résumé before you apply for this job role: Principal Software Engineer.
Poland Jobs Expertini

Urgent! Principal Software Engineer Position in Wrocław - RELX

Principal Software Engineer



Job description

About the Role

We are looking for an exceptional Principal Software Engineer with deep expertise in DevOps and machine learning systems, who can lead the design and evolution of cutting-edge, scalable platforms.

This role is ideal for a seasoned technologist with a strategic mindset, hands-on engineering excellence, and a strong ability to mentor others and influence technical direction across teams.

As a Principal Developer, you will play a critical role in architecting complex systems, establishing best practices, and driving innovation across multiple products and initiatives.

You should be comfortable navigating ambiguity, working with emerging technologies, and partnering closely with stakeholders from across the business.

Responsibilities

  • Architect, design, and lead development of scalable, production-grade ML systems and cloud-native services

  • Drive the technical strategy for DevOps practices, infrastructure automation, and deployment pipelines (Docker/Podman, Kubernetes, CI/CD)

  • Partner with product managers, and engineering teams to integrate ML models and optimize ML lifecycle management

  • Own and evolve key platform components, including RESTful APIs, backend services, and OCR-related processing workflows

  • Guide adoption of best-in-class tools and practices for observability, performance tuning, and security hardening

  • Serve as a technical mentor and thought leader, helping grow the engineering culture and upskilling peers across domains

  • Lead technical investigations and research into emerging technologies and implement proof-of-concepts that influence product direction

  • Establish and maintain engineering standards through peer review, documentation, and continuous improvement

  • Requirements:

  • 8+ years of progressive software engineering experience, with at least 3 years in technical leadership or principal-level roles

  • Deep expertise in Python, PyTorch, React, Java and the ML tooling ecosystem

  • Strong background in DevOps engineering, including Docker/Podman, Kubernetes, and CI/CD (e.g. Jenkins, GitHub Actions)

  • Proven experience with distributed systems, PostgreSQL, and API-first architectures

  • Hands-on experience with OCR systems (Tesseract, Azure Document Intelligence)

  • Knowledge of Next.js, RabbitMQ, and XML/XSLT for complex data processing

  • Demonstrated ability to drive architecture decisions and lead initiatives from concept to production

  • Work in a way that works for you

    We promote a healthy work/life balance across the organisation.

    We offer an appealing working prospect for our people.

    With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.

    Working for you

    We know that your well-being and happiness are key to a long and successful career.

    These are some of the benefits we are delighted to offer:

  • Private medical insurance (Luxmed)

  • Multisport card (Multisport)

  • Life insurance (UNUM)

  • Lunch card (Edenred)

  • Employee Capital Plan (PPK) - with 3% participation rate by employer

  • Trainings and development programs under RELX Group


  • Required Skill Profession

    Computer Occupations



    Your Complete Job Search Toolkit

    ✨ Smart • Intelligent • Private • Secure

    Start Using Our Tools

    Join thousands of professionals who've advanced their careers with our platform

    Rate or Report This Job
    If you feel this job is inaccurate or spam kindly report to us using below form.
    Please Note: This is NOT a job application form.


      Unlock Your Principal Software Potential: Insight & Career Growth Guide