Senior Data Engineer

• 10+ years of data engineering, software engineering, or related technical experience
• Extensive hands-on experience designing, building, and operating production data pipelines and data products
• Advanced proficiency with Python and SQL
• Strong experience with Apache Spark and distributed data processing
• Experience working with Databricks or similar modern data platforms
• Experience designing and maintaining ETL/ELT processes for complex, large-scale datasets
• Experience integrating data across disparate systems and consuming or developing API-based data integrations
• Strong understanding of data modeling, data architecture, data quality, and data governance principles
• Experience troubleshooting and optimizing complex production data pipelines for performance, reliability, and scalability
• Experience working with Git-based development workflows and modern software engineering practices
• Experience working in terminal / command-line environments
• Demonstrated experience providing technical guidance, mentoring engineers, and influencing engineering practices
• Strong client and stakeholder communication skills, with the ability to translate technical concepts and recommendations for both technical and non-technical audiences
• Ability to independently navigate ambiguity, identify technical risks, and drive complex engineering challenges toward resolution
• Experience spotting security, privacy and compliance issues and working with security/compliance/legal stakeholders

• AWS cloud experience
• Experience working with very large datasets, including datasets with billions of records
• Experience with Palantir Foundry
• GitLab experience
• Experience working with Advana or similar DoW data environments
• Experience working with federal health, financial, or other regulated and sensitive data
• Experience using AI/ML to accelerate work, including automating routine tasks, accelerating development and debugging

• Flexible PTO + all Federal holidays off
• Health, dental and vision insurance plans

• 401k with employer match
• Company-sponsored life insurance, short- and long-term disability
• Professional development (training, certifications, conferences)
• Paid cloud developer accounts
• Referral bonuses
• HQ office perks (parking / metro reimbursement, nitro coffee & lunches)
• Annual social events (540 Week, hackathon, charity golf tournament, etc.)
• Access to 540’s Washington Capitals & Nationals tickets

540's policy is to provide equal employment opportunity to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.