Principal Tech Lead

Who we are

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The opportunity

Are you an experienced Principal Tech Lead looking to make a broader technical impact across multiple engineering teams? Do you enjoy solving the most complex technical challenges while mentoring other technical leaders and driving engineering excellence at scale? If you're passionate about modern software architecture, hands-on technical leadership, and delivering resilient, enterprise-grade platforms, we'd love to hear from you.

In this position, you will be based in Stockholm and report to the Head of Engineering. As a Principal Tech Lead, you will provide technical leadership across multiple squads, ensuring architectural vision is translated into high-quality, production-ready solutions. Working closely with Mission Architects, Squad Tech Leads, DevSecOps, QA, Security, and Product teams, you will play a pivotal role in enabling the successful delivery of strategic technology initiatives that support Worldline's payment platforms across Europe.

Day-to-Day Responsibilities

• Lead the technical design and implementation of complex initiatives spanning multiple engineering squads
• Partner with Squad Tech Leads to solve high-risk and high-complexity technical challenges and accelerate delivery
• Act as a hands-on technical contributor where deep expertise is required, contributing to critical solution design and software implementation
• Translate architectural guidance into practical engineering patterns, reusable frameworks, and reference implementations
• Drive architectural modernization initiatives, supporting platform evolution, cloud adoption, and technology transformation
• Collaborate closely with Mission Architects, DevSecOps, QA, Security, and Product teams to ensure solutions meet functional and non-functional requirements
• Identify systemic engineering challenges and improvement opportunities, escalating recommendations to Guild Leads and Architects
• Champion engineering best practices, technical quality, and operational excellence across multiple squads
• Support technical decision-making, risk management, and cross-team dependency planning
• Mentor Tech Leads and senior engineers, fostering technical growth and knowledge sharing throughout the engineering organization

Who are we looking for

You are an experienced technical leader who enjoys solving complex engineering challenges while enabling teams to deliver their best work. You combine deep technical expertise with strong collaboration skills and have a proven ability to influence engineering direction across multiple teams. You thrive in fast-paced environments, balancing strategic thinking with hands-on execution.

On top of that, you have:

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or equivalent experience
• Full working proficiency in English
• Extensive experience as a Principal Engineer, Principal Tech Lead, Staff Engineer, Lead Software Engineer, or similar senior technical leadership role
• Proven experience leading complex, cross-team software delivery in enterprise environments
• Strong expertise in software architecture, distributed systems, cloud-native applications, and modern engineering practices
• Experience driving architecture modernization, platform transformation, and technical strategy
• Excellent problem-solving skills with the ability to resolve high-impact technical risks
• Strong experience mentoring technical leaders and influencing engineering practices across multiple teams
• Deep understanding of DevSecOps, CI/CD, observability, security, scalability, resilience, and performance engineering
• Experience working within Agile product development organizations
• Knowledge of the payments industry is considered a strong advantage

Perks & Benefits

At Worldline, you'll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also enjoy:

• Health contribution
• Health check – Every 2nd year
• Private Health Care Insurance (EuroAccident)
• Parental pay and 12 months pension during parental leave
• Opportunity for hybrid working according to company standard
• Benefit portal with many great offers, plus more

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Shape the evolution

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you'll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own. 

Learn more about life at Worldline at jobs.worldline.com

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.