Senior Backend Engineer

Who Are We?

Welcome to Welltech—where health meets innovation! As a global leader in Health & Fitness industry, we’ve crossed over 200 million installs with five life-changing apps, all designed to boost well-being for millions. Our mission? To transform lives through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700 passionate professionals with presence across 5 hubs.

Why Welltech? Imagine joining a team where your impact on global health and wellness is felt daily. At Welltech, we strive to be proactive wellness partners for our users, while continually evolving ourselves.

What We're Looking For

We are looking for a Senior Back-end Engineer who is dreaming of developing ambitious IT products and wants to join our team and contribute to the development and maintenance of our core product, WellFunnel.

Our Platform team develops and maintains WellFunnel, a comprehensive solution empowering businesses to create personalized onboarding experiences for their mobile apps. WellFunnel utilizes interactive surveys to gather key user insights before registration, which drives engagement and boosts conversions. These wizards are built and customized through WellFunnel Builder, an advanced control panel used by product marketing managers. WellFunnel Studio then displays these personalized wizards to users based on specific advertising links, further enhancing the user experience and collecting valuable data for analysis.

Key Responsibilities:

• Develop, support, and enhance the performance of the API for one of the company’s most critical projects.

• Work with the core AWS services (AWS Lambda / API Gateway / SQS / CloudFormation / CloudWatch / SNS).

• Continuously audit and improve existing architecture.

• Collaborate with product and infrastructure teams to understand deployment needs and scale systems effectively.

• Contribute to the evolution of our software architecture to support growth into new and more complex environments.

• Set and uphold high technical standards for building fault-tolerant distributed systems.

Required Skills:

• 5+ years of experience in Python development.

• Strong knowledge of Python 3.

• Solid knowledge of and the ability to work with relational databases (Postgres or others).

• Experience with SQLAlchemy (or any other ORM).

• Experience with AWS services (Lambda/API Gateway/SQS/SES/CloudFormation/CloudWatch).

• Ability to highlight risks and propose efficient solutions.

• Ability to learn quickly, collaborate cross-functionally, and communicate effectively.

• Good command of English.

Nice to have:

• Experience working with non-relational DBs (NoSQL, etc.)
• Experience working with asynchrony in Python
• Experience with frontend

Candidate journey: Recruiter call -> Skills assessment-> Meet the hiring manager

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/

Omo — bit.ly/OMOio

FastEasy — https://fasteasy.life/

WalkFit - http://walkfit.pro