Senior Software Engineer (AI/ML)

• 8+ years of professional software development experience
• Experience developing microservices in containerized environments
• Experience with, or a strong conceptual understanding of, LLM-based applications, RAG pipelines, and AI-driven decision systems
• Experience with Python
• Experience working with relational databases and data warehouses
• Experience integrating AI/ML capabilities into applications (e.g., working with model inference APIs, ML pipelines, or data-driven features)
• Ability to produce technical design documentation (system diagrams, architecture artifacts)
• Familiarity with MLOps concepts (model deployment, monitoring, versioning)
• Ability to design with future scalability and platform evolution in mind
• Demonstrated ownership and ability to drive work from concept to production
• Strong problem-solving skills and ability to navigate ambiguity
• Excellent communication skills, including working directly with stakeholders or clients

• Experience with Google Cloud Platform (GCP) or similar cloud environments
• Experience designing and consuming RESTful APIs
• Experience with API gateways and API management platforms, such as Google Apigee
• Familiarity with API authentication and authorization (PKI, OAuth2, JWT, LDAP, SAML, etc.)
• Experience working on U.S. Federal Government programs, particularly DoW environments
• Google Cloud Professional-level certifications

• 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.