--- title: 'Senior Data Engineer (Redshift) at Welltech' canonical: 'https://feeny.ai/job/senior-data-engineer-redshift-welltech-estonia-5067g158emd8' type: 'job' last_seen: '2026-09-10' --- # Senior Data Engineer (Redshift) at Welltech - **Company:** Welltech - **Location:** Estonia - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-07-08 - **Last confirmed live:** 2026-09-10 - **Apply:** https://jobs.ashbyhq.com/welltech/57dcf720-7db4-4e4e-9374-8d66bd873641 ## 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 As a Senior Data Engineer, you will play a crucial role in building and maintaining the foundation of our data ecosystem. You’ll work alongside data engineers, analysts, and product teams to create robust, scalable, and high-performance data pipelines and models. Your work will directly impact how we deliver insights, power product features, and enable data-driven decision-making across the company. This role is perfect for someone who combines deep technical skills with a proactive mindset and thrives on solving complex data challenges in a collaborative environment. Challenges You’ll Meet: - Pipeline Development and Optimization: Build and maintain reliable, scalable ETL/ELT pipelines using modern tools and best practices, ensuring efficient data flow for analytics and insights. - Data Modeling and Transformation: Design and implement effective data models that support business needs, enabling high-quality reporting and downstream analytics. - Collaboration Across Teams: Work closely with data analysts, product managers, and other engineers to understand data requirements and deliver solutions that meet the needs of the business. - Ensuring Data Quality: Develop and apply data quality checks, validation frameworks, and monitoring to ensure the consistency, accuracy, and reliability of data. - Performance and Efficiency: Identify and address performance issues in pipelines, queries, and data storage. Suggest and implement optimizations that enhance speed and reliability. - Security and Compliance: Follow data security best practices and ensure pipelines are built to meet data privacy and compliance standards. - Innovation and Continuous Improvement: Test new tools and approaches by building Proof of Concepts (PoCs) and conducting performance benchmarks to find the best solutions. - Automation and CI/CD Practices: Contribute to the development of robust CI/CD pipelines (GitLab CI or similar) for data workflows, supporting automated testing and deployment. Required skills: - 4+ years of experience in data engineering or backend development, with a strong focus on building production-grade data pipelines. - 2-3+ years of experience working with AWS services (Administration of Redshift is a must), - Solid experience working with AWS services (Spectrum, S3, RDS, Glue, Lambda, Kinesis, SQS). - Proficient in Python and SQL for data transformation and automation. - Experience with dbt for data modeling and transformation. - Good understanding of streaming architectures and micro-batching for real-time data needs. - Experience with CI/CD pipelines for data workflows (preferably GitLab CI). - Familiarity with event schema validation tools/ solutions (Snowplow, Schema Registry). - Excellent communication and collaboration skills. Strong problem-solving skills—able to dig into data issues, propose solutions, and deliver clean, reliable outcomes. - A growth mindset—enthusiastic about learning new tools, sharing knowledge, and improving team practices. 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 Bonus Points / Nice to Have: - Experience with additional AWS services: EMR, EKS, Athena, EC2. - Hands-on knowledge of alternative data warehouses like Snowflake or others. - Experience with PySpark for big data processing. - Familiarity with event data collection tools (Snowplow, Rudderstack, etc.). - Interest in or exposure to customer data platforms (CDPs) and real-time data workflows. Candidate journey: ⭕️ Recruiter call ➔ ⭕️ Technical call with the hiring manager ➔ ⭕️ Meet the future stakeholders Check out some of our products Muscle Booster —https://musclebooster.fitness/ Yoga-Go —https://yoga-go.io/ WalkFit -http://walkfit.pro ## About Welltech ## Company Overview - **One-liner**: Welltech is a global mobile app developer creating engaging fitness and wellness solutions to help millions of users build healthy habits. - **Entity Type**: Private (Bootstrapped/Founder-backed) - **Headquarters**: Limassol, Cyprus - **Founded**: 2015 - **Founders**: Not publicly available ## Core Business - **Primary industry**: Wellness and Fitness Services (Mobile Apps) - **Target customers**: B2C; individuals seeking fitness, yoga, walking, and general wellness guidance (beginners and intermediate users) - **Mission/purpose statement**: "Move everybody to start and stay well for life." ## Products & Services - **[Muscle Booster]**: A fitness app focused on strength training and muscle building, offering personalized workout plans. (SaaS/Mobile App) - **[Yoga-Go]**: A yoga app designed for beginners and intermediate practitioners, providing guided sessions and routines. (SaaS/Mobile App) - **[WalkFit]**: A walking and running app that encourages daily activity with structured plans and tracking. (SaaS/Mobile App) ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: Over 220 million total app installs - **Notable Investors/Partners**: Not publicly available (appears bootstrapped or funded by founders) - **Growth Signals**: 700+ employees (up from ~609 in mid-2025, indicating ~15% headcount growth), operates across 5 European hubs (Cyprus, Poland, Spain, Ukraine, UK), expanding product portfolio with 3 core apps. ## Competitive Advantages - **Scale & Reach**: With 220M+ installs, Welltech has a massive, proven user acquisition engine. - **Product Portfolio Diversification**: Covers multiple facets of fitness (strength, yoga, walking) under one roof, allowing cross-promotion and user retention. - **Data-Driven Personalization**: Heavy emphasis on using data to understand users and improve their experience, creating sticky, habit-forming products. - **Strong Talent Network**: Employs a highly skilled workforce with a significant engineering (19%) and product (8%) talent base, attracting talent from top companies like Glovo, Playrix, and Deloitte. ## Strategic Focus - **Product Expansion & Innovation**: Continuously improving existing apps and exploring new wellness solutions to be an "ultimate wellness partner." - **User-Centric Growth**: Focus on turning "small choices into lasting, joyful habits" through data-driven product iterations. - **Global Talent Acquisition**: Building a diverse, distributed team across Europe to fuel innovation and scale operations. ## Why Work Here - **Mission-Driven Work**: Employees directly impact the health and wellness of millions of users globally. - **Flexibility**: Offers both fully remote and hybrid work options depending on location and role. Relocation assistance is available for certain positions. - **Strong Culture & Perks**: Comprehensive benefits include company-covered health insurance for employee and family, mental healthcare access, annual wellness/sports budget, individual L&D budget, foreign language lessons, paid time off (vacation, sick, maternity/paternity, compassionate, training days), and gifts for special moments. - **Global & Diverse Team**: 700+ employees from over 25 nationalities across 5 European hubs. The culture emphasizes growth, collaboration, and "well-making." - **Career Development**: Dedicated L&D budget, language learning platform, and support for internal mobility. ## Sources 1. [welltech.com](https://welltech.com/about-us/) 2. [welltech.com](https://welltech.com/) 3. [welltech.com](https://welltech.com/career/) 4. [LinkedIn - Welltech](https://cy.linkedin.com/company/welltech22) ## Other roles at Welltech - [Senior Analytics Engineer (Marketing)](https://feeny.ai/job/senior-analytics-engineer-marketing-welltech-romania-qcg8je8q5rtn) — Romania - [Senior Analytics Engineer (Marketing)](https://feeny.ai/job/senior-analytics-engineer-marketing-welltech-ukraine-2mwaeqhpwm5w) — Ukraine - [Lead of Product](https://feeny.ai/job/lead-of-product-welltech-cyprus-hzwj73wtyhxp) — Cyprus - [Senior Treasury Specialist (Ukrainian language proficiency required)](https://feeny.ai/job/senior-treasury-specialist-ukrainian-language-proficiency-required-welltech-bk8khagcahjf) — Lithuania - [Senior Marketing Data Analyst](https://feeny.ai/job/senior-marketing-data-analyst-welltech-romania-g4brp6b6j7wn) — Romania - [Senior Treasury Specialist (Ukrainian language proficiency required)](https://feeny.ai/job/senior-treasury-specialist-ukrainian-language-proficiency-required-welltech-a2atab4n78ey) — Ukraine - [Head of Growth - Paid Social](https://feeny.ai/job/head-of-growth-paid-social-welltech-cyprus-wa2wfcnv2dde) — Cyprus - [Senior Marketing Data Analyst](https://feeny.ai/job/senior-marketing-data-analyst-welltech-ukraine-0gfa6sf4xhf1) — Ukraine - [Senior Data Engineer (Redshift)](https://feeny.ai/job/senior-data-engineer-redshift-welltech-cyprus-xbyrrzqp70xw) — Cyprus - [Senior Fullstack Engineer, Cross-platform](https://feeny.ai/job/senior-fullstack-engineer-cross-platform-welltech-bulgaria-47vgrkcprbdm) — Bulgaria