Senior Security Engineer

Who Are We? Welltech is a global wellness technology company with Ukrainian roots. Our mission is to build and scale wellness apps globally through state-of-the-art, tech-driven performance marketing. We are one of the most established players in the wellness app space, and we are accelerating. Over 25.5 million people across the world use our apps — Muscle Booster, Yoga-Go, and WalkFit — to build healthier habits, move more, and feel better every day. Every subscription represents a real person making a real change in their life, and we take that seriously. With 500+ people across hubs in Cyprus, Ukraine, Poland, Spain, and the UK, we combine the scale of a market leader and the drive of a team that's just getting started.

What We're Looking For

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. 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. Requirements: 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 ----> ⭕️ Skills assessment-----> ⭕️ Meet the hiring manager Check out some of our products Muscle Booster — https://musclebooster.fitness/ Yoga-Go — https://yoga-go.io/ WalkFit -http://walkfit.pro