Principal Python Engineer

MSIG USA • Warren Township, NJ

2d • Hybrid

About The Position

Join us at the forefront of enterprise AI, building intelligent agentic systems that reason, plan, and take action across complex business workflows. You will design and implement Python-based agents that orchestrate models, tools, and data to automate real-world decision-making at scale. This role blends deep engineering with cutting-edge AI—working on everything from agent frameworks and APIs to safety, observability, and performance. If you are excited about shaping how autonomous systems operate in production, this is where you’ll make a tangible impact.

Requirements

• 8-10 plus years of professional software engineering experience, with strong focus on Python
• Deep understanding of Python frameworks such as FastAPI, Flask or similar
• Experience building and consuming MCPs, RESTful APIs (and/or GraphQL)
• Hands-on experience with cloud platforms - Azure experience preferred.
• Solid understanding of software design principles, data structures, and algorithms
• Experience with unit testing, integration testing, and test automation
• Proficiency with Git and collaborative development workflows
• Strong communication skills and ability to work in cross-functional teams.

Nice To Haves

• Experience with designing and building agentic platforms.
• Experience with microservices architecture
• Familiarity with Docker, Kubernetes, or container orchestration
• Exposure to event-driven systems, message queues (Kafka, RabbitMQ)
• Knowledge of CI/CD pipelines and DevOps best practices
• Experience working in high-scale, production environments.
• Prior experience mentoring or leading engineers.

Responsibilities

• Design, develop, and maintain scalable backend systems and APIs using Python.
• Lead technical design discussions and contribute to system architecture decisions.
• Write clean, testable, and well-documented code following best practices - also with assistance of LLM.
• Optimize application performance, reliability, and scalability.
• Collaborate with product managers, designers, and other engineers to deliver end‑to‑end solutions.
• Mentor junior and mid‑level engineers through code reviews, pairing, and technical guidance.
• Drive improvements in code quality, tooling, CI/CD, and engineering processes.
• Participate in on-call rotations and troubleshoot production issues when needed.

Benefits

• Comprehensive medical, dental, and vision coverage
• 401(k) with a generous employer match and profit-sharing contribution
• Wellness incentive program
• Life and accidental death and dismemberment (AD&D) insurance
• Flexible spending programs
• Short-term and long-term disability plans
• Paid time off program
• Paid charitable leave
• Paid parental leave
• Tuition reimbursement program
• Personal insurance (auto/homeowners) discounts

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed