Senior Full Stack Software Engineer (Onsite- MA)

We are hiringaFull Stack SoftwareEngineer(onsite in MA) tohelp build and evolve a next-generation digital platform supporting a portfolio of internal and customer-facing products.As anindividual contributor youwill play a pivotal role in engineering both the back-end data infrastructure and front-end UI architecture working collaboratively across UX Product and Data teams to launch high-performance AI-augmented experienceswhile helping transition systems from external development partners to internal ownership.

This role is ideal for a technologist who thrives in 0-to-1 environments understands complex enterprise systems and is passionateaboutcreatingscalable architecture that supports multiple applications across a growing digital ecosystem.

Key Responsibilities

• Design develop andmaintainfull-stack solutions across front-end middleware back-end and data layers

• Build new UI experiences from scratch in collaboration with UX/UI designers and product managers

• Collaborate with UX to operationalize a cross-product design system includingcomponentlibraries design tokens documentation and Storybook implementations.

• Collaborate on data modeling APIs and visualization components; ensure clean integration of AI/ML-powered features and tools

• Optimizeapplication performance andparticipatein architectural decisions to ensure scalability reliability and security

• Implement A/B testing infrastructure personalization capabilities and analytics instrumentation

• Participate in sprint planning code reviews and documentation with QA and Engineering team support

• Collaborate across global teams in the U.S. EMEA and APAC on multi-property platform-wide initiatives

• Partner with external engineering vendors during the transition period and assume long-term ownership of internal codebases and platform architecture

• Develop headless commerce experiences integrating Shopify storefront APIs with internal enterprise systems.

• Integrate front-end applications with enterprise platforms headless eCommerce services and internal data systems

Required Qualifications

• 5 years of full stack software development experience ideally in enterprise SaaS or B2B platforms

• Proficiencyin multiple front-end frameworks (e.g. React Angular Vue) and UI tooling (e.g. Tailwind Material UI)

• Strong back-end experience with Python or Java including API and data model design

• Experience working with modern CI/CD pipelines Git Docker and cloud platforms (AWS/Azure/GCP)

• Proven ability to build front-end applications that are performant accessible (WCAG/ARIA) and scalable

• Familiarity with integrating generative AI features or data-driven UIs (e.g. GPTLangChain or similar frameworks)

• Deep understanding ofcomponentarchitecture modular design and systems optimization

• Experience with data visualization frameworks (e.g. PlotlyHighcharts)

• Ability to work cross-functionally with UX Data Science QA and Product teams

Preferred Qualifications

• Experience building ormaintaininga design system orcomponentlibrary

• Familiarity with personalization tools experimentation frameworks or A/B testing tools

• Experience developing or integratingheadless commerce solutions(e.g. Shopify storefront APIs or similar platforms)

• Experience working in highly regulated or technical environments (e.g. Life Sciences IoT B2B2C)

• Previousexperience contributing to or leading platform modernization efforts

• Experience with mobile-first or responsive design patterns

• Experience with working within anagile scrum team assoftware developer

Tools & Technologies (flexible/modern)

• Languages/Frameworks: React Angular Vue Python Java

• Tooling: Git Docker CI/CD AWS Azure Figma Miro

• Design & UX: Tailwind CSS Material UI Storybook

• AI/ML: OpenAI APIs Prompt EngineeringLangChainVectorDBs

• Testing/QA: Cypress Playwright Jest

• Documentation: Storybook Markdown Confluence auto-doc generation tools
  
  EOE M/F/Disabled/VET