Top Senior Level Software Engineer Jobs in Boston, MA

As a Software Engineer III, you will design, build, and enhance high-complexity components, mentor team members, and collaborate on projects, ensuring high-quality code and customer-centric solutions.

Leads Agent Assist, Workflow, and Tooling engineering teams; sets technical strategy; architects scalable customer-care systems; delivers AI/ML solutions; oversees modernization, DevOps, security, reliability, roadmap planning, and cross-functional execution. Builds and mentors engineering managers and senior engineers while driving operational excellence and improved customer and agent experiences.

The Senior Applications Developer will create and enhance applications for internal users, provide technical support, and integrate various systems while leading multiple projects.

Develop and deploy autonomy software for unmanned surface, underwater, and aerial vehicles in maritime missions. Responsibilities include motion planning, localization and tracking, safety assurance, COLREGS adherence, multi-agent coordination, distributed optimization, rigorous software testing, platform integration, deployment support, mission-log analysis, and autonomy R&D. The role also involves cross-functional collaboration, customer and demonstration support, roadmap development, and mentoring junior engineers. Travel is typically approximately 25% annually.

Develop and customize insurance applications on the Guidewire platform (PolicyCenter, BillingCenter, ClaimCenter). Design, code, test solutions using OOP and Guidewire technologies, manage system configurations, mentor junior staff, build client relationships, and apply firm methodologies to deliver high-quality insurance technology solutions.

Lead design, development, modification, and deployment of Duck Creek-based P&C insurance solutions. Manage client accounts and development teams, mentor staff, architect solutions, design UIs, and ensure project success and quality.

Lead the Customer Agent AI project at Klaviyo, managing engineering teams, defining technical direction, and driving architectural decisions to develop a conversational AI platform.

Lead and grow multiple product-focused engineering teams to design, build, deploy, and operate scalable, highly available full-stack and microservice solutions on AWS. Mentor engineers, drive engineering practices, break monoliths into microservices, improve velocity, and collaborate with product managers to deliver finance-focused systems including event-driven streaming and integrations.

Build and maintain scalable backend systems and APIs for high-volume, real-time sports betting applications. Own the full software development lifecycle, deliver production-ready features, resolve production issues, optimize performance and reliability, collaborate with product and engineering teams, and mentor peers. Requires backend development experience with C# or Java, cloud-based distributed systems expertise, automated testing proficiency, and strong object-oriented design knowledge.

Designs and implements scalable data processing, analytics, machine learning, ETL, and cloud-native workflows. Builds data ingestion pipelines, infrastructure, data models, dashboards, and machine learning deployments using AWS services. Ensures data quality, integrity, and operational performance through monitoring and troubleshooting. Collaborates with data scientists, analysts, product managers, and engineers to gather requirements, manage backlogs, document processes, and deliver reliable solutions using Agile practices.

Provide technical leadership for Imprivata Mobile Access Management managed services: assess environments, configure and optimize MDM/UEM solutions, administer integrations, own support and escalations, run customer meetings, lead optimization projects, deliver training, and act as the customer advocate across product and service teams.

As a Frontend Software Engineer, design, develop, and deploy web applications, collaborate with UX engineers, and implement user-friendly interfaces.