WellTech Limited logo

Senior Product Engineer, Cross-platform

Job Overview

Location

Cyprus

Job Type

Full-time

Category

Software Engineering

Date Posted

June 4, 2026

Full Job Description

đź“‹ Description

  • • Own the end-to-end development and evolution of a cross-platform ecosystem spanning mobile, web, BFF, and infrastructure layers using an AI-first, agentic development approach.
  • • Design and scale foundational systems for health and fitness applications using React Native and modern TypeScript-based web technologies to enable rapid product experimentation without rebuilding core components.
  • • Collaborate directly with product, design, marketing, and data teams to translate business bets into running experiments, not just backlog tickets, ensuring technical solutions drive measurable outcomes.
  • • Develop and continuously improve AI-agentic workflows across the entire software development lifecycle to enhance team productivity, code quality, and delivery speed.
  • • Build and maintain shared platform capabilities including internal tooling, CI/CD pipelines, and AI-assisted workflows that accelerate development and improve product quality across all engineering teams.
  • • Implement and optimize native mobile integrations for advanced media experiences, including video playback, streaming, and HLS-based solutions with attention to user-perceived quality.
  • • Architect modular, reusable systems such as backend-driven UI, white-label capabilities, and component libraries that allow one team’s work to compound for others.
  • • Ensure reliable and scalable integrations between frontend clients, BFF services, and platform infrastructure, taking ownership of the health and performance of system seams.
  • • Participate actively in architecture discussions, code reviews, and pairing sessions within a trunk-based development workflow, promoting maintainability, testability, and fast iteration.
  • • Champion engineering culture through documentation, continuous improvement, and leading by example in how work is shipped and iterated upon.
  • • Measure success by outcomes, not output — features are considered complete only when metrics move or a decision is made to kill them based on learning.
  • • Go to the source: engage directly with stakeholders and users to understand real problems, rather than waiting for perfect specifications or PRDs.
  • • Maintain a strong bias to ship: use prototypes, A/B tests, feature flags, and kill switches to validate ideas quickly, prioritizing speed of learning over perfection.
  • • Treat AI as leverage: integrate agentic workflows into daily development to compress the loop between idea and learning, both for personal efficiency and team-wide adoption.
  • • Contribute to the evolution of engineering practices including TDD, BDD, XP, and CI/CD mindset to support rapid iteration and high developer productivity.

🎯 Requirements

  • • Strong commercial experience with React Native and modern TypeScript-based application development
  • • Solid understanding of full-stack architecture including mobile, web, BFF, and cloud/infrastructure layers
  • • Experience building scalable cross-platform systems and shared application foundations
  • • Deep understanding of software architecture, modular systems, scalability, and performance optimization
  • • Experience working with CI/CD pipelines, automation tooling, and modern developer workflows
  • • Comfortable working in AI-assisted or agentic development environments and adopting new AI-driven workflows quickly

🏖️ Benefits

  • • Opportunity to work on wellness apps used by over 25.5 million people globally
  • • Collaborative, outcome-driven engineering culture with ownership across the stack
  • • Exposure to cutting-edge AI-agentic development workflows and tools
  • • Work within a global team with hubs in Cyprus, Ukraine, Poland, Spain, and the UK

Skills & Technologies

JavaScript
TypeScript
Go
React
Node.js
Senior
Onsite

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About WellTech Limited

WellTech Limited is a Cyprus-based holding company that builds and operates a portfolio of mobile health, fitness, and wellness applications. Its brands include BetterMe, Muscle Booster, Yoga-Go, and WalkFit, serving over 200 million users worldwide. The company focuses on AI-driven personalized programs for weight management, mental health, physiotherapy, and activity tracking, combining science-backed content with behavioral coaching. Revenue is generated through freemium subscriptions and in-app purchases across iOS and Android platforms.

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