Job Details

About Us

We are Stella Source and we are transforming the multi-billion-dollar metal services industry through our innovative estimating and sourcing SaaS platform. We are a test and learn team that fails fast, iterates quickly, and drives progress. Growth is the goal, and we do that through a culture of integrity, acceleration, and accountability, with a team-first approach. Because of it, we are constantly finding new ways to develop products and evolve existing ones to bring even more value to our amazing customers. This is a team you can be creative, do great work, and expand your skills in your area of expertise. We require it as we stay a small, lean team of a select few. If being seen and working closely with leadership isnt your thing, then we probably arent the place for you. Instead, if you rise to challenges, want your at-bats, and know you bring a whole lot to the table then lets talk.

About You

You are respectful & respected, humble & bold, curious & transformative, relentless & thoughtful. You love discovering new points of view and combining them with your ability to solve puzzles. You enjoy the back-and-forth with teammates that results in delighted users, and you know the back-and-forth was the magic that made it all possible. To you, everything is an experiment designed to help you learn and improve. You are proud of what you have achieved but not attached to the past. You too want to grow as the company and teams grow around you and you know you can be an integral part in making it happen.

About the Role

Were hiring a Senior Software Engineer who lives at the intersection of code, cloud, and cutting-edge AI. Youll rapidly grasp new conceptsagentic AI flows, Azure Machine Learning, custom model training, RESTful service endpointsand then run with them. Youll know when to dig in solo and when to reach out for a pairing session, collaborating deeply with product owners, UX designers, data scientists, DevOps engineers, sister company leaders, and other software engineers across the enterprise.

What Youll Do

• Prototype new agentic AI flows and build proof-of-concept experiments to explore emerging technologies and uncover practical uses


• Build agentic AI flows, Azure ML pipelines, custom training jobs, and Python-based service endpoints


• Collaborate with product owners, UX designers, data scientists, DevOps engineers, sister company leaders, and fellow software engineers to co-create solutions


• Break experiments and feature requests into small, testable, deployable units and own them end to end


• Spin up, configure, monitor, and optimize serverless or containerized resources (IAM, CI/CD, cost control)


• Implement observability, automated retries, throttling, security, and performance best practices


• Surface promising tools or patterns, validate them in pilots, and share findings with the team

Required Skills

• Strong object-oriented programming fundamentals and ability to quickly learn new languages


• Comfortable picking up new SDKs, frameworks, and languages


• Familiarity with serverless, containers, IAM, and CI/CD pipelines in Azure, AWS, GCP, or similar


• Expertise in designing and consuming RESTful and event-driven APIs


• Experience writing unit, integration, and end-to-end tests


• Excellent verbal and written communication skills


• Proven ability to thrive in ambiguity, own projects, and know when to ask for help

Bonus Round

• Deep Python masteryincluding Poetry, Python service endpoints, and packaging


• Experience with agent-AI frameworks (Autogen, LangChain, Copilot Studio, Semantic Kernel, LangGraph, etc.)


• Familiarity with modern front-end frameworks or component libraries (React, Vue, Svelte)


• Hands-on DevOps chops (infrastructure as code, container orchestration)


• Experience with notebook environments (e.g., Jupyter, Zeppelin, Spark notebooks) for ML training and exploration

We are an equal opportunity employer. We do not discriminate on the basis of any protected status under applicable law.