Data Platform Technical Lead

About Welltech

A future with Welltech

Welltech’s purpose is to move each and every body to start and stay well for life! Every trend, every piece of feedback and data, every experiment, and innovative solution we introduce, fuels the way we unlock wellness for and with our users. While appreciating and celebrating who they are, we strive to help them make turn small choices into lasting joyful habits. And that makes us proud of every step they take on their journey to living well, every day.

Disrupting industry

We are an international tech company with origin from Ukraine, founded in 2015, and a fast-growing global player with five hubs across Europe. With more than 220 million installs of our apps, Welltech offers disruptive, engaging fitness and wellness solutions. We are genuinely committed to creating value and ensuring a workplace where our talented, diverse individuals feel they belong as we shape the future of the health and fitness industry. Everything we do is driven by our purpose and guided by integrity, a testament to the trust we build- today and tomorrow.

Spread across five dynamic hubs in Cyprus, Poland, Spain, Ukraine and the UK, with a team of over 700+ #wellmakers, we provide an opportunity for everyone who is passionate about making an impact in the wellness industry.

Position

As a Senior Data Architect/ Data Platform Technical Lead, you will play a pivotal role in transforming our data infrastructure to ensure seamless experiences for our customers and drive business growth. You will manage the development and governance of our data platform, ensuring it is reliable, scalable, and optimized for advanced analytics.

In this role, you’ll lead a team of data engineers and collaborate with cross-functional stakeholders to design, build, and maintain a high-quality, cloud-native data ecosystem. Your work will be critical in enabling data-driven decision-making across the organization, powering everything from internal dashboards to real-time product features.

We’re looking for someone who combines deep technical expertise with strategic thinking and a passion for mentorship and architectural excellence.

Challenges you’ll meet:

• Team Leadership and Mentorship: Lead and mentor a team of skilled data engineers, fostering a collaborative and growth-oriented environment.

• Data Platform Modernization: Redesign and modernize our existing data platform using the latest tools and technologies to enhance efficiency, accessibility, and scalability.

• Cross-Team Collaboration: Collaborate closely with data analysis and product development teams to ensure efficient, reliable, and scalable data pipelines that contribute to informed decision-making.

• Data Quality & Governance: Establish and enforce data quality frameworks, governance policies, and monitoring tools to ensure high data accuracy, consistency, and reliability.

• Compliance & Security: Ensure compliance with data privacy regulations and security best practices, minimizing risks related to data access and management.

• Innovation and Testing: Test new approaches by creating Proof of Concepts (PoCs) and conducting benchmarks to continuously improve our data platform.

• ETL/ELT Excellence: Develop, optimize, and maintain ETL/ELT processes to ensure high-quality and consistent data, supporting the integrity of our analytics and insights.

• Best Practices and CI/CD Methods: Build robust pipelines for continuous integration and deployment (CI/CD), streamlining software delivery and enhancing efficiency in collaboration with development teams.

Tech stack you’ll work with:

• Cloud: AWS (Redshift, Spectrum, S3, RDS, Lambda, Kinesis, SQS, Glue, MWAA)

• Languages: Python, SQL

• Orchestration: Airflow (MWAA)

• Modeling: dbt

• CI/CD: GitLab CI (including GitLab administration)

• Monitoring: Datadog, Grafana, Graylog

• Event validation process: Iglu schema registry

• APIs & Integrations: REST, OAuth, webhook ingestion

• Infra-as-code (optional): Terraform

Your qualification

• 7+ years of experience in data engineering or backend systems, with at least 2+ years in a technical leadership or architect role.

• Proven experience designing and building distributed data systems on the cloud.

• Expertise in data modeling, warehousing (dimensional, denormalized, time-series), and data governance.

• Strong experience with streaming architectures (e.g., Kinesis, Kafka) and batch ETL.

• Deep understanding of CI/CD pipelines for data systems and infrastructure (preferably GitLab CI).

• Excellent communication skills—able to influence stakeholders and guide technical decisions across departments.

• Knowledge of data privacy regulations (GDPR, CCPA) and security standards.

• A mentoring mindset—you’ve supported career growth of other engineers and improved team standards.

• Experience balancing trade-offs between scalability, cost, speed, and maintainability.

Will be a plus

• Experience with additional AWS services: EMR, EKS, Athena, EC2.

• Hands-on knowledge of alternative data warehouses like Snowflake or others.

• Strong proficiency in PySpark for large-scale data processing.

• Event Data Collection Tools: custom, Snowplow, Rudderstack, etc.

• Familiarity with customer data platforms (CDPs) and real-time data processing.

What we offer

• 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!

Additional details

Candidate journey: Recruiter call ➔ Technical call ➔ Meet the Leadership team

Check out some of our products

Muscle Booster — https://musclebooster.fitness/ 

Yoga-Go — https://yoga-go.io/ 

WalkFit -http://walkfit.pro