Jack Senechal

AI Productivity & Developer Tooling Engineer

Located in Novato, CA
Phone: 415-779-2701
Email: jacksenechal@gmail.com
GitHub: github.com/jacksenechal
LinkedIn: linkedin.com/in/jacksenechal

Summary

• Principal-level engineer specializing in AI-powered developer tooling, engineering productivity systems, and platform modernization
• 15+ years building and shipping software, with 6+ years leading teams across infrastructure, DevOps, and integration platforms
• Hands-on with LLMs, MCP servers, prompt engineering, and AI-assisted developer workflows — building production-grade tools engineers use daily
• Track record of driving DevOps culture transformation and measurably improving engineering velocity through tooling and automation
• Strong product mindset with experience operating autonomously in ambiguous problem spaces
• Committed mentor and coach who elevated junior engineers to senior technical and engineering management positions

Industry Experience

Technical Lead

Building Humane Technology | June 2025 - Present | Remote

• Co-architecting and leading development of HumaneBench.ai, an open-source AI evaluation framework built on AISI Inspect. Python.
• Driving product and technical roadmap including production monitoring, multi-turn evaluation, and maturity models to guide AI tool adoption across teams.
• Coordinating open-source community engagement, hackathons, and education initiatives.

Co-founder & Lead Developer

Mirror Astrology | Nov 2024 - Present | Remote

• Built production AI chatbot integrating multiple LLMs (OpenAI, Anthropic) with complex prompting, tool use, retrieval, and context augmentation.
• Owned full-stack development: Ruby on Rails backend, JavaScript frontend, API design, and responsive UI/UX.
• Collaborated closely with co-founders on product direction, roadmap planning, and prioritization.

Infrastructure Engineer

Tobiko | Mar 2024 - Oct 2024 | Remote

• Architected scalable cloud platform and CI/CD patterns including mono-repo conditional workflows, workload identity federation, and continuous delivery pipelines.
• Automated developer workflows and built Slack-based operational tooling for support and incident response; onboarded teammates and customers.
• Python, Pulumi, GCP, GKE, Cloud Run, CircleCI, Helm, SQLMesh.

Engineering Manager / Principal Software Engineer

Mavenlink / Kantata | Apr 2017 - Dec 2023 | San Francisco, CA

• Infrastructure Platform (4 years): Recruited and built a team from scratch dedicated to the infrastructure platform. Led the organization’s DevOps culture transformation, serving as a change agent and technical authority across engineering. Transitioned a large legacy codebase to cloud-native, Infrastructure-as-Code tooling (Terraform, Ansible, Kubernetes). Owned roadmap stewardship while staying hands-on with coding, architecture, and code review.
• M-Bridge Integration Platform (2 years): Stabilized and scaled an agent-based integration platform handling multi-system data orchestration. Established operational metrics and monitoring that reduced errors and incidents by ~100x. Executed a zero-downtime migration to Kubernetes.
• Cross-Functional Impact: Mentored engineers across teams — coached a junior engineer who grew to Engineering Manager. Led interviewing, hiring, and organizational change management. Top Performer Award, 2021.

Lead Developer, Co-founder

Pegg | 2014 - 2017 | San Francisco, CA

• Designed, architected, and built a cross-platform mobile app from scratch (iOS/Android). Node.js backend, JS/Phonegap frontend, Firebase real-time systems, CI/CD to AWS/CloudFront via CircleCI.
• Established engineering workflow: pair programming, automated testing (Karma/Chai), continuous integration, and rapid deployment processes.
• Co-led product strategy, monetization, and launch planning.

Earlier Career (2001 - 2014)

• Consultant & Entrepreneur (2008 - 2014): Founded OpenTest Pro (automated testing education). Built e-commerce ordering system for Turnbull & Asser shirtmakers. Full-stack consulting in Ruby on Rails, Node.js, D3 data visualization. Rapid prototyping and client delivery.
• Web Developer, OnForce, Inc (2006 - 2007): Introduced automated testing and CI. Built comprehensive API test suite. Integrated platform with Salesforce APIs.
• Development Lead, JBA Network (2003 - 2006): Lead programmer and project manager for mynewsletterbuilder.com — architected initial release, then built and scaled the development team.

Open Source Projects

Scan MCP (2024 - Present)

MCP (Model Context Protocol) server for scanner automation and document digitization. Designed and built an end-to-end MCP service with smart device discovery, JSON Schema validation, and support for both local stdio and network HTTP transports. TypeScript/Node.js.

github.com/jacksenechal/scan-mcp

HumaneBench (2024 - Present)

AI evaluation framework built on AISI Inspect. Measures LLM behavior across multiple dimensions with extensible scenario datasets. Supports multiple LLM providers (OpenAI, Anthropic). Python.

github.com/buildinghumanetech/humanebench

Skills

• AI/LLM: MCP (Model Context Protocol) server design, LLMs (OpenAI, Anthropic), prompt engineering, tool use, retrieval & context injection, AI-assisted developer workflows, AI evaluation frameworks.
• Languages & Frameworks: Python, TypeScript, JavaScript, Node.js, Ruby on Rails, Bash.
• Back-end & Data: API Design, Microservices, Distributed Systems, PostgreSQL, MySQL, MongoDB, Redis.
• Cloud & Infrastructure: AWS, Google Cloud Platform, Kubernetes, Docker, Terraform, Ansible, Pulumi, Helm.
• CI/CD & DevOps: CircleCI, GitHub Actions, GitLab CI, Automated Testing, TDD, Infrastructure as Code, Cloud-Native Architecture.
• Developer Tooling: Internal platform development, developer experience optimization, workflow automation, Slack integrations, observability.
• Leadership: Team Building, Coaching & Mentoring, Cross-Functional Collaboration, Roadmap Ownership, Hiring, Change Management.

Education

BA in Mathematics, minor in Computer Science

University of North Carolina at Asheville | May 2003

• Graduated with distinction in Mathematics. Undergraduate research in 4D fractals.

Recommendations

“Jack is an exceptional engineer and leader. He strives to deeply understand the technology he’s working on while remaining cognizant of the socio-technical components that may be a factor in any project. He’s thorough, detail-oriented, and outcome-oriented, which means the solutions he architects, builds, and collaborates on come out better. Jack also strives to be at the forefront of new technology and assess how he can leverage it. He does all this with a strong team mentality, is a phenomenal team player, and can effectively delegate to help lift others’ skill sets.”

— Brandon Clifford, Director of DevOps, Kantata

“Jack has had quite a profound impact on my career. As a young engineer, I was fortunate enough to work with Jack as my coach. He served as a great mentor, helping me build both technical and professional skills and forming me into the engineer that I am today. His mentorship was a key factor in elevating me from an incoming Junior Engineer to an Engineering Manager. Jack has a great curiosity and a strong set of technical capabilities that allow him to serve as a great example for others and a key contributor to any team!”

— Wesley Morlock, Engineering Manager, Kantata

“Jack is a fantastic engineer always ready to help solve problems and more importantly, teach you how to solve them. He guided me and my team through a bunch of challenging GitOps situations with patience and kindness, leading by example. Always diligent with his work, willing to roll up his sleeves to get things done and find creative solutions. Everyone would be lucky to have someone like him in their teams!”

— Cesar Palafox Garza, Principal Software Engineer, Kantata

“Jack is awesome at understanding the direction teams need to go to make important improvements in Kantata’s Engineering organization as a whole. He has been instrumental in building and implementing strategies to upgrade Ruby, Rails, and React. If I had any questions about infrastructure and Kubernetes he would be able to answer and provide solid explanations to the entire team.”

— Justin Hurstwright, Principal Software Engineer, Kantata

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