Key Facts

Remote From:

Cyprus , Ukraine , Poland

Category: Security Engineer

Full time

Senior (5-10 years)

Ukrainian

Hard Skills

Security Engineering Payment Card Industry (PCI) Data Security Standards Python (Programming Language) Kubernetes CI/CD Incident Response Threat Modeling Risk Analysis Application Security Observability

Other Skills

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Communication
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Collaboration
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Proactivity
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Organizational Skills

Roles & Responsibilities

5+ years of hands-on security engineering experience
Solid understanding of security principles, vulnerabilities, and common attack techniques
Proficiency with Python (especially writing Lambda functions)
Experience with Kubernetes in production environments

Requirements:

Own and drive execution of multiple key security initiatives
Collaborate with leadership to shape the team’s roadmap
Mentor junior team members in the Security team
Design, implement, and maintain security controls and measures across Welltech’s systems

Welltech

Information Technology & Services

About Welltech

Welltech is about creating mobile applications that improve the Health of Millions of People around the World. We currently have 500+ people in our team. The main distinguishing feature of our People is their desire to constantly grow, develop and learn new things. Why do people like to work at Welltech? • We work on creating and developing our own projects. There is no outsourcing. • The company values the initiative of its workers and their ability to work independently. • The ideas and suggestions of everyone are heard, and good ideas are quickly implemented and tested out. • Clearly stated goals and priorities help workers focus on important tasks and organize their work properly. • Weekly meetings with managers give employees the opportunity to get feedback about their work and understand how to achieve the best results. About our technologies: iOS: Swift, MVC, MVVM, Dependency Injection, UIKit, Autolayout, REST API, Alamofire, In-App Purchases, Local and Remote notifications, Grand Central Dispatch, NSOperations, Core Data, Realm, AVFoundation. Android: Kotlin, MVVM, Android Architecture Components, Dependency Injection, REST API, Push Notifications, Crashlytics, Offline mode. We use PHP7, Python, Symfony4, MariaDB, MySQL, PostgreSQL, Redis, Elasticsearch, Amazon AWS (Lambda, S3, DynamoDB, RDS, SQS, etc), Docker, Kubernetes. The company has successfully implemented CI on all projects. Welltech is a data-driven company. The analytics department uses different tools. Data storage: Amazon redshift + Spectrum Data processing — R, Python BI — Data studio, Tableau Data sources — platform APIs, incoming data streams

Company type: Scaleup

Industry: Information Technology & Services

Founded: 2018

Company size: 201 - 500

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Job description

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.