Backend Engineer

Welltech; Valladolid; Presencial; EUR 30.000 - 45.000; Jornada completa

Descripción de la vacante

Welltech, a leader in the Health & Fitness industry, is seeking a highly skilled Backend Developer to join their team. This role involves developing APIs and supporting applications while working with AWS services and relational databases. Join us to make a meaningful impact on global health and wellness.

Servicios

Culture of personal and professional growth

Empowered leadership at all levels

Focus on achieving meaningful outcomes

Join a movement for a healthier world

Formación

• Strong knowledge of Python 3 and relational databases.
• Experience with cloud services like AWS and SQLAlchemy preferred.
• Effective communication and teamwork skills required.

Responsabilidades

• Creating and supporting APIs for mobile apps.
• Designing systems for the overall product.
• Supporting production systems and managing cloud services.

Conocimientos

Python 3

Relational DBs

SQLAlchemy

AWS

Asynchrony

Communication

English

Descripción del empleo

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.

What We're Looking For

We are seeking a highly skilled and motivated Backend Developer 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 :

• Creating and supporting APIs for mobile apps
• Creating and supporting internal Admin panels for mobile apps
• Working with mobile app subscriptions
• Working with the Core AWS services (AWS Lambda / API Gateway / SQS / CloudFormation / CloudWatch / SNS)
• Contributions to System Design of the overall product
• Operating and supporting systems running in production

Required skills :

• Strong knowledge of Python 3
• Knowledge of and the ability to work with relational DBs (Postgres or others)
• Experience with SQLAlchemy (or any other ORM)
• Experience with cloud-based stacks, e.g. AWS (Lambda / API Gateway / SQS / SES / CloudFormation / CloudWatch)
• Willing to choose the right tool for each challenge, including expanding beyond the Python tech stack when needed
• Ability to highlight risks and propose efficient solutions
• Ability to learn fast, collaborate cross-functionally and communicate effectively
• Good command of English

Nice to have :

• Experience working with non-relational DBs (NoSQL, etc.)
• Experience working with data, multimedia (audio / video) or various communication protocols (e.g. websockets, rpc)
• 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!

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