Lead Software Engineer in Quality Assurance

Do you want to be at the forefront of protecting our society against cyber threats? We are looking for a Lead Software Engineer focused on Quality Assurance to team up with the most dedicated team of cyber specialists in our Engineering Team.

About Truesec – A Leading Cybersecurity Company

Since 2005, Truesec has been a native cybersecurity company, driven by one single purpose: Creating safety and sustainability in a digital world by preventing cyber breach and minimizing impact. 

Over the years, we’ve earned the trust of organizations worldwide and gained a strong reputation internationally. Our team consists of dedicated specialists covering the entire spectrum of cybersecurity – with capabilities in Predict, Prevent, Protect, Respond, and Recover. 

Today, we employ around 300 employees – and as cybercrime grows, we need to grow. To support that goal, we are now looking for a Lead Software Engineer focused on Quality Assurance who wants to make a difference in our Truesec Engineering Team. 

Truesec Engineering Team

Truesec is the Nordic leader in cybersecurity and we’re on a journey to hyper-digitalize the way we prevent breaches and minimize impact from breach. Through a holistic digital experience based on our platform, we’re delivering global managed cybersecurity services. The Truesec engineering mission, enabling a digital Truesec and accelerating the enablement of Managed Services across domains.

The role

We are looking for a Lead Software Engineer to join our team and play a key role in ensuring the delivery of high-quality software solutions across Truesec’s platform and internal tools. This role focuses on designing, implementing, and maintaining robust testing frameworks and processes that ensure the reliability, performance, and security of both user-facing interfaces and backend systems. By collaborating with cross-functional teams, you will help deliver innovative solutions that meet both internal and external needs, supporting Truesec’s long-term goals and success.

Responsibilities

As a Lead Software Engineer at Truesec, you will:

• Collaborate with cross-functional stakeholders (team members, architects, product managers, designers) to define testing strategies, plan deliverables, and align with agile development goals.

• Design and maintain test environments (e.g., test data generation, backend systems/APIs, CI/CD integration) and build automated testing frameworks for reliable code delivery.

• Implement and optimize end-to-end, performance, and load testing tools (e.g., XUnit, Vitest, Playwright) to validate frontend/backend systems and ensure platform scalability.

• Conduct testing, troubleshoot issues across the stack, and write clean, maintainable code while adhering to best practices and participating in code reviews.

• Document technical specifications, workflows, and architecture designs to promote collaboration and knowledge sharing, while staying updated on QA trends and mentoring team members.

Experience and Qualifications

We are looking for candidates with the following skills and qualifications:

• Strong understanding of testing principles across frontend and backend systems (functional, integration, regression, performance, security testing) and proficiency with tools like Vitest, Playwright, XUnit, Postman, and performance/security testing frameworks.

• Skilled in frontend (React, TypeScript, JavaScript, HTML5, CSS3) and backend technologies (.NET, Python, database systems) with experience of integrating automated testing into CI/CD pipelines (GitHub Actions).

• Familiarity with Azure cloud technologies, Infrastructure as Code tools (Bicep), and best practices for clean, maintainable, and secure code.

• Ability to troubleshoot and debug across the stack, ensuring reliability, scalability, and security, complemented by strong analytical, problem-solving, and collaboration skills.

• Interest in continuous learning, staying updated on industry trends, and relevant educational background or equivalent practical experience.

Due to the sensitivity in our assignments, we require Swedish citizenship, citizenship in an EU country, or a Swedish work permit.

Join Our Mission Toward a Safe Digital Future

If you truly want to make a difference and make our world a little bit safer, this is the place for you. At Truesec, you’ll get to be at the forefront of fighting cybercrime instead of reading about it in the news. This is your chance to be part of an exciting journey in a leading cybersecurity company – and learn from some of the best in their field.

So, are you ready to team up with the most dedicated team of experts and be part of a meaningful mission? Then we are excited to get to know you!

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