Principal Software Engineer

Position: Principal Software Engineer

Location: Homebased Poland

contract type: Employee contract (no B2B)

Fulltime

Do you enjoy coaching others to achieve high standards?

Are you ready for the next step in your engineering career?

About the Team

At LexisNexis Intellectual Property Solutions, our mission is to bring clarity to innovation by delivering better outcomes to the innovation community. Each and every day, the work our team does supports the development of new technologies and processes that ultimately advance humanity. Helping our customers reach their goals is our primary focus. We enable innovators to accomplish more by helping them make informed decisions, be more productive, comply with regulations and ultimately achieve superior results. Our overall success is measured by how well we deliver these results. We are proud to directly support and serve these innovators in their endeavors to better humankind.

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

About the Business

LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase productivity and improve decision-making and outcomes. Our 10,500 experts and innovative tools help us shape a better world for our customers and communities.