Data Engineer

Data Engineer Lensa Inc. is looking to expand its team in Hungary with a new Lensa.com is one of the biggest recruitment and career platforms on the United States market, with 20+ million registered users. The company is founded and managed by Hungarian professionals who introduced and developed the well known Profession.hu . Our product represents the future of career development : job search that puts people first while reducing the time and cost of talent acquisition. Using machine learning, we instantly match job seekers with positions that fit their skills, career goals and personalities. We make the world better, by placing every job seeker in the best possible positions for them. We are proud of our 4.3+ Trustpilot score! Lensa is dedicated to achieving its business goals with cutting-edge, scalable technologies. With teams in multiple U.S. locations and a talented crew of developers, product managers and data scientists in Budapest, we are working every day to share our transformative career technology with the world. If you're interested in joining our journey and contributing to our success as part of our dynamic international team, we look forward to receiving your application! About the role As a Data Engineer, you will take ownership of major parts of our data platform and help shape how data is collected, processed, modeled, and delivered across the company. You will design and build large-scale data architectures, guide engineering decisions, and work closely with cross-functional partners to enable data-driven products and operations. This role requires both technical excellence and strong soft skills, including clear communication, ownership, and the ability to drive alignment across functions. What You’ll Do Design data structures, batch and streaming pipelines, and processes for large-scale analytics and machine learning Design, optimize and implement robust ETL/ELT workflows to feed Data Warehouse (Redshift) and other analytical layers for reporting, analytics, and operational use cases Maintain, improve, and troubleshoot production pipelines, ensuring high reliability and performance Own the architecture and development of core data systems end-to-end Mentor Mid-Level and Junior Engineers and provide guidance on best practices, workflow standards, and troubleshooting Collaborate closely with Data Scientists, Product, and Engineering teams to translate business requirements into scalable data solutions Document systems, pipelines, and architecture; maintain runbooks and operational guides Identify technical risks, propose solutions, and drive improvements in platform design, reliability, and performance Participate in code reviews, provide technical mentorship, and help establish best practices What You Bring 5+ years of hands-on experience in data engineering or a related field Strong programming skills in Python and SQL (CTEs, window functions, complex joins, stored procedures) Experience building batch and real-time data pipelines with Spark, Flink or similar frameworks Solid understanding of ETL/ELT workflows, CI/CD pipelines, and production-grade deployment practices Strong knowledge of data modeling, Redshift or similar MPP data warehouses, and distributed systems Experience with AWS or other cloud provider services (EC2, Lambda, Step Functions, Glue, Redshift, S3) Ability to operate independently, solve complex problems, and make sound technical decisions Excellent communication skills and ability to work with both technical and non-technical stakeholders Solid communication skills in English Bonus Points Experience designing infrastructure as code using AWS CDK or Terraform Experience with ML model training, evaluation, and inference pipelines Knowledge of data governance, metadata management, and data quality frameworks Track record of designing analytical layers and building scalable data platforms from scratch What We Offer Flexible working hours with home office opportunity Medicover health insurance Company lunch every day in the office In-house gym in the office Exciting programs and team-building events Recreation room with darts, ping pong, foosball, XBox, and other games Modern and fancy office in Buda close to Széll Kálmán tér If you prefer to work in a startup environment but still a stable, fast growing company, and you’re interested in the role please do not hesitate to apply! Department Product Development Role Data Engineer Locations Budapest Remote status Hybrid Employment type Full-time About Lensa Lensa is a U.S.-based job board, recruitment, and career platform with global headquarters near Philadelphia, Pennsylvania and an engineering & business operations center in Budapest, Hungary. We represent the future of career development: job search that puts people first while reducing the time and cost of talent acquisition. Using machine learning, we instantly match job seekers with positions that fit their skills, goals, personalities, and needs and provide companies with candidates. With teams in multiple U.S. locations and a talented crew of developers and data scientists in Budapest, we are working every day to share our transformative career technology with the world. Lensa already passed 20M registered users, making us one of the world's premier career platforms. Our founders are Hungarian professionals who introduced and developed the well known Profession.hu in Hungary. Founded in 2015 Co-workers <150