Adam LaCasse

Principal-Track Software Engineer | Enterprise Systems | AI/ML-Enabled Platforms

Atkinson, NH (617) 407-3254 adam@adamlacasse.dev adamlacasse.dev GitHub LinkedIn
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Summary

Senior full-stack software engineer at a Fortune 100 insurer designing and delivering enterprise web platforms serving 40,000+ global users. Combines deep technical execution with prior director-level leadership in finance and operations to drive scalable systems, measurable efficiency gains, and cross-organizational alignment.

Experienced across modern TypeScript/JavaScript ecosystems, cloud-native architecture, and data-driven backend design, with growing specialization in AI/ML-enabled software systems. Currently completing an M.S. in Computer Science (AI concentration) focused on machine learning, large language models, and intelligent system design.

Seeking Staff / Principal Engineer roles where architectural leadership, system design, and cross-team technical influence can meaningfully shape enterprise platforms, AI-enabled products, or regulated-domain systems.

Core Skills

  • Languages & Frameworks: JavaScript, TypeScript, Node.js, React, Python, Java (Spring), SQL, HTML/CSS
  • Cloud, Data, & Architecture: AWS, REST/GraphQL APIs, Microservices, CI/CD, Data pipelines & warehousing, Distributed system design, Observability & reliability patterns
  • AI / Intelligent Systems: LLM integration, NLP fundamentals, Applied machine learning workflows, Prompt & retrieval design, AI-assisted developer tooling

Experience

Liberty Mutual Insurance — Senior Software Engineer

Portsmouth, NH (Hybrid)

2019 – Present
  • Senior Software Engineer (2021–Present)
  • Lead role in the architecture and development of enterprise platforms such as Goals & Growth, Concierge, and Merit, supporting 40K+ multilingual users worldwide with critical Talent operations.
  • Lead role in the $4M redesign of the RMIS platform, migrating core services to cloud-native microservices and standardizing cross-platform data contracts to improve scalability, deployment consistency, and long-term platform maintainability.
  • Translate complex business and regulatory requirements into scalable, cost-effective technical solutions, reducing ambiguity and accelerating delivery across collaborating teams.
  • Mentor engineers and establish system design and quality standards adopted across teams, strengthening reliability, shared architecture patterns, and technical decision-making maturity.
  • Partner with product, analytics, and senior leadership to align engineering execution with measurable organizational outcomes and long-term platform strategy.
  • Software Engineer (2019–2021)
  • Earned rapid promotion through ownership of complex features, cross-team collaboration, and consistent resolution of ambiguous or high-risk technical problems.
  • Completed rotation with data and analytics engineering teams, expanding expertise in databases, warehousing, and business intelligence pipelines.
Tech: JavaScript, TypeScript, React, Node.js, Java (Spring), PostgreSQL, AWS

Trilogy Education — Teaching Assistant

Portsmouth, NH

2019
  • Guided students through full-stack MERN development, debugging strategies, and foundational software engineering practices.
  • Strengthened mentorship and technical communication skills now applied in senior engineering leadership contexts.

The ATOM Group — JavaScript / Web Engineer (Contract)

2018 – 2019
  • Improved performance, UX, and developer experience across client web platforms.
  • Implemented end-to-end testing that surfaced production defects and performance bottlenecks in critical systems.

Devine Millimet — Director of Administration

Prior Leadership Experience (Pre-Engineering)

2015 – 2018
  • Directed operations spanning IT, finance, HR, marketing, and facilities for one of New Hampshire's largest law firms.
  • Delivered measurable operational efficiencies through process analysis, systems thinking, and organizational leadership.

Brown Rudnick — Director of Financial Planning & Analysis

Prior Leadership Experience (Pre-Engineering)

2005 – 2015
  • Progressed from analyst → manager → director while guiding the firm through the 2008 financial crisis.
  • Achieved >15% profitability improvement through strategic financial modeling, operational analysis, and executive partnership.
  • Foundational strengths: executive communication, systems thinking, and business-aligned decision making—now applied to software architecture and technical leadership.

Education

  • M.S. Computer Science — Artificial Intelligence Concentration — Merrimack College
    Expected 2026

    Focus: machine learning, deep learning, NLP, large language models, intelligent system design

  • Full-Stack Web Development Bootcamp — University of New Hampshire
    2018
  • B.A. Management — Curry College
  • Additional study: Jazz Composition — Berklee College of Music

Leadership & Impact Themes

  • Enterprise-scale system architecture and modernization
  • Cross-functional technical leadership and influence
  • Mentorship, standards setting, and engineer development
  • Data-driven architectural decision making
  • Business-aligned engineering strategy in complex organizations
  • Continuous learning and applied AI evolution
Daily: JS/TS, React, Node, Java, SQL, AWS
Project: Python, Go, Rust
Portfolio: adamlacasse.dev