Senior Product Engineer, Agent Systems
Mactores
Apply to this jobAbout Aedeon
Aedeon is the agent platform for enterprise modernization, built by Aedeon Inc., a separate product company founded by the same team that founded Mactores. Aedeon turns the systems already running a business applications, databases, data platforms, business rules, workflows into governed AI agents, grounded in a persistent Code Intelligence Graph of the customer's own code and verified through behavior-equivalence proof. Aedeon is delivered as a product, not a services engagement, and runs without mandatory forward-deployed engineers.
Agents that generate plausible code from priors are easy. Agents that modernize a regulated enterprise's estate and can prove the new behavior matches the old, are the hard problem. That's the problem this team owns.
As Senior Product Engineer on Aedeon's Agent Systems team, you'll build the agents that do the actual modernization work. Aedeon's product surface is the agent fleet itself: parsers that read legacy estates, extractors that lift business rules out of code, synthesizers that stand up agentic workflows, verifiers that produce behavior-equivalence proof. You'll design and ship those agents. This is product engineering, not services delivery. The agents you build are the product. They run against the Code Intelligence Graph, a persistent semantic representation of the customer's estate and operate under governed autonomy: shadow, supervised, and autonomous stages. You'll write Python every day, orchestrate frontier foundation models through the Aedeon Decision Model, and ship into the same release discipline the rest of the product team holds.
You don't need prior Bedrock or LangChain experience. You need to be a strong Python engineer who treats agent frameworks as something to learn deeply, not a buzzword. The customers are real enterprises in regulated industries, with audit chains that must stay intact. We're looking for someone who writes Python they'd be proud to read in a year, treats test cases as a first-class deliverable, and uses AI tools to do the job better and faster.
What will you do?
- Build and ship specialized agents in the Aedeon fleet: parsers, business-rule extractors, dependency mappers, test synthesizers, behavior replayers, and the orchestration that wires them together.
- Design agents that operate against the Code Intelligence Graph rather than generating from priors, so every agent action traces to a line of code.
- Implement governed autonomy shadow, supervised, and autonomous stages with human-in-the-loop controls at every stage.
- Orchestrate frontier foundation models (Anthropic, OpenAI, Google) through the Aedeon Decision Model: the right model for each task, against the right slice of the graph, under explicit governance constraints.
- Own the delivery of your assigned agents from prototype through deployment and post-release validation.
- Commit to sprint and release deadlines. Raise blockers and risks with enough lead time to mitigate them.
- Coordinate with platform and DevOps engineers to keep deployment pipelines clean and repeatable.
- Practice test-driven development. Write the tests for the agent's contract, governance constraints, and equivalence checks before the agent code that satisfies them.
- Build behavior-equivalence verification into every agent: dual-run tests, output diffing, equivalence certificates against production traffic.
- Write detailed test cases before deployment functional flows, edge cases, regression scenarios, integration touchpoints.
- Use AI tools to generate qualitative test coverage at scale, and validate it for completeness.
- Maintain automated test suites (unit, integration, E2E) and integrate them into the CI/CD pipeline.
- Write clear, maintainable Python with adequate documentation. Review pull requests thoroughly and give constructive feedback.
- Document agent contracts, prompt structures, decision logic, and verification approaches in Confluence or equivalent.
- Share patterns and testing practices across the team. Hold the bar on release discipline and quality.
Agent systems development
Release ownership
Verification and quality
Collaboration and documentation
What are we looking for?
- Strong Python (4+ years production): async (asyncio), performance optimization, idiomatic code.
- A solid grasp of distributed systems concepts: state machines, retries, idempotency, eventual consistency.
- Experience integrating with LLM APIs (Anthropic, OpenAI, or similar) from production code: streaming, function calling, structured output, retries, prompt management.
- Comfort with FastAPI or equivalent async web frameworks.
- Working knowledge of AWS services: EKS, ECS Fargate, S3, DynamoDB, Lambda, Secrets Manager, CloudWatch.
- Experience with Docker and Kubernetes: writing Dockerfiles, Helm charts, and Kubernetes manifests.
- Comfort with CI/CD pipelines, GitHub Actions preferred.
- Comfort navigating multi-account AWS environments (dev, uat, prod).
- Test-driven development as a discipline. Tests written before the code, not after.
- Hands-on experience with pytest, integration testing, and E2E testing.
- The ability to design behavior-verification harnesses: dual-run, output comparison, equivalence proof.
- Experience using AI tools (Claude, Copilot, LLM-based test generators) to accelerate and improve test case quality.
- Experience integrating automated tests into CI/CD pipelines.
- Test-first, release-disciplined, ownership-driven.
- Strong written and spoken English. You'll be in product reviews and customer-impacting design discussions.
- Available to work with US business-hour overlap from India.
Core Python and systems
Cloud and infrastructure
Testing and automation
Engineering mindset
You'll be preferred if
- Agentic AI frameworks: AWS Bedrock AgentCore, Strands SDK, LangChain, or similar.
- Temporal.io or other workflow orchestration engines.
- Graph databases (Neo4j) and the Cypher query language.
- Amazon OpenSearch Service or Elasticsearch.
- Java exposure for working with the Java Analyzer component.
- Prior B2B SaaS product work with a structured release process.
- Domain exposure to enterprise modernization: mainframe, SAP, Oracle, or large Java / .NET estates.
How we work?
At Mactores, our recruitment process is built around distinct structured stages. Here's an overview of what to expect at each stage:
Technical Interview:
A hands-on session with one of our panel members covering your technical skills, hands-on experience, and how you deliver quality under pressure.
Panel Interview:
A structured conversation with members of the hiring team covering your experience, product thinking, and how you work.
HR Discussion:
During this 30-minute session, you'll have the opportunity to discuss the offer and next steps with a member of the HR team.
Summary
Build and deploy AI agents for enterprise modernization in Python.
Job title
Senior Product Engineer, Agent Systems
Experience level
4+ years
Minimum experience
4+ years exp
Industry
software
Location requirements
Mumbai, MH; remote work allowed
Salary
Not specified
Visa sponsorship
H-1B sponsor history
Management role
No
Required skills
Preferred skills
Specializations
Structured locations inferred from the posting.
Mumbai, Maharashtra, India