Senior Security Engineer

Who Are We?

We are Welltech — a global company with Ukrainian roots and a powerful mission: to move everybody to start and stay well for life. Today 25.5 million users have trusted Welltech to help them build healthy habits — a testament to the real value our innovative, engaging wellness solutions deliver every day. 🌍

With five hubs across Cyprus, Ukraine, Poland, Spain and the UK and a diverse, remote-friendly team of 700+ professionals, we continue to scale rapidly. Our innovative apps — Muscle Booster, Yoga-Go and WalkFit — empower millions to transform their lifestyles and unlock their personal wellness journeys.

Welltech is where your impact becomes real. And our values clearly attest to that: we grow together, we drive results, we lead by example and we are well-makers.

If this looks like you and you thrive in a fast-paced environment, you’ll fit right in at Welltech. Let’s build wellness for millions together.

We are seeking a talented and motivated Senior Security Engineer (x/f/m) to join our small but dedicated Security Team. In this role, you will play a crucial part in strengthening our overall security posture, collaborate across teams and domains, and own security initiatives company-wide.

Key responsibilities:

• Own and drive execution of multiple key security initiatives, ensuring they are well-integrated, documented, and effectively support Welltech’s security goals.

• Collaborate with leadership to shape the team’s roadmap, providing your expertise.

• Mentor junior team members in the Security team to help them grow in their role.

• Collaborate with engineering, IT, and product teams to embed security best practices throughout the development lifecycle and operational processes.

• Champion continuous improvement in Security Engineering by regularly reviewing processes, implementing automation, and driving standardization to enhance team efficiency and organizational impact

• Lead PCI-DSS Compliance initiative with relevant stakeholders

• Design, implement, and maintain security controls and measures across Welltech’s systems, networks, and cloud environments.

• Contribute to threat modeling, risk assessments, and incident response, supporting a proactive and resilient security posture.

• Develop and refine internal security policies, standards, and tools to support company-wide security goals.

• Support and lead security awareness efforts, helping to foster a strong security culture throughout the organization.

• Continuously evaluate emerging threats, technologies, and practices, driving improvements to Welltech’s overall security maturity.

Required Skills:

• 5+ years of hands-on security engineering experience with proven expertise in implementing and managing security solutions

• Solid understanding of security principles, vulnerabilities, and common attack techniques.

• Proficiency with Python (especially writing Lambda functions).

• Experience with Kubernetes in production environments.

• Familiarity with CI/CD tooling and secure deployment practices.

• Very good knowledge of cloud platforms - AWS or Google Cloud.

• Big plus: Solid Experience with PCI.

• Nice to have: Experience with application security, DLP platforms, and observability.

Soft skills:

• Excellent written and verbal communication skills.

• A collaborative, proactive mindset and passion for continuous improvement.

• Ability to clearly communicate complex security concepts to technical and non-technical stakeholders.

• Strong organizational skills to effectively prioritize and manage multiple concurrent tasks and meet deadlines.

Candidate journey: ⭕️ Recruiter call

✨ Why You’ll Love Being Part of Welltech:

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.

• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!

Check out some of our products

Muscle Booster — https://musclebooster.fitness/

Yoga-Go — https://yoga-go.io/

WalkFit - http://walkfit.pro