Top Hybrid Software Engineer Jobs in Boston, MA

Lead Guidewire system implementations and upgrades (Digital Portals), design and deliver Guidewire solutions, manage large projects, engage senior clients, provide strategic input, mentor teams, and ensure operational excellence and client satisfaction.

As a Senior UI Software Engineer, you'll lead front-end development, design user experiences, mentor junior engineers, and integrate AI capabilities into products.

Work on the Purchase team to design, build, and ship consumer-facing AI features (including conversational experiences). Collaborate with product, UX, and analytics across the full development lifecycle, use AI coding assistants, run A/B tests, monitor performance, and iterate to deliver scalable, user-centric features reaching millions of users.

Build and maintain high-performance backend services in Go for a low-latency, high-throughput trading exchange. Design distributed systems, optimize performance, improve observability, and collaborate across Product, Data, and Ops to ensure resiliency and scalability.

The Lead People Systems Engineer will design AI-first People workflows, build scalable AI systems, and ensure responsible AI practices in HR operations.

Design and implement user-facing product and onboarding improvements, run and analyze A/B tests, collaborate cross-functionally, improve experimentation and development processes, mentor engineers, and define safe, performant AI agent goals. Hybrid role based in Boston (≥3 days/week).

Lead design and delivery of Klaviyo's scalable data platform (streaming, batch, lakehouse, governance). Define SLOs, author ADRs/RFCs, implement ingestion/CDC, processing, storage, catalog/lineage and access controls. Optimize performance/cost, apply ML/GenAI to data workflows, partner with product/analytics, contribute code/reviews, and mentor senior engineers to enable reliable, multi‑tenant data at scale.

Full-stack software engineer focusing on frontend React components and backend microservices. Design and implement scalable, resilient solutions; build/integrate RESTful APIs with Java/Spring; participate in architecture and code reviews, CI/CD, monitoring, on-call rotations, and mentor junior engineers.

Senior solutions engineer who designs, builds and supports network automation applications for deployment and administration of Dell SONiC, Cisco ACI and Arista. Develops full-stack services (Python/Java/Node/React) on Kubernetes with IaC, CI/CD and observability; enforces security and code quality, mentors teams, and drives automation and AI-assisted tooling within Agile delivery teams.

Lead high-leverage technical work across teams: define architecture and patterns, drive end-to-end delivery and operational excellence, ship AI-enabled systems, mentor engineers, set AI guardrails, and represent technical leadership internally and externally.

Lead diverse technology projects in distributed microservices and full stack systems, mentoring team members and collaborating with product managers on cloud-based solutions.

Design, develop, test, deploy, and support full-stack web applications, RESTful APIs, integrations and automation using Vue.js, JavaScript, Python, PHP, relational databases, Retool and AWS. Build enterprise integrations (Boomi/MuleSoft or comparable iPaaS), leverage AI/LLMs and low-code tools, participate in Agile processes, troubleshoot production issues, ensure security and scalability, and mentor junior developers.