Top Senior Level Software Engineer Jobs in Boston, MA

Designs and maintains iOS connectivity components linking WHOOP hardware, mobile apps, and cloud systems through BLE, Wi-Fi, and other protocols. Develops background services, synchronization and data-transfer pipelines using Swift and Combine; improves performance, power efficiency, reliability, and architecture. Collaborates with firmware, mobile, and cloud engineers, diagnoses distributed-system issues, documents solutions, and supports app releases, testing, signing, and App Store submission.

Serves as the technical lead for investment technology, designing and building prototypes and production-ready applications for fixed income analytics, AI-enabled workflows, reporting, and investment decision-making. Partners with investment teams to improve AI-generated artifacts, develops scalable full-stack systems, and applies financial data, statistical, and time-series analysis. The role requires strong Python, SQL, front-end, Bloomberg, and software architecture expertise while operating as a senior individual contributor.

Leads the engineering team building Circle’s customer onboarding and lifecycle management platform. Responsibilities include developing scalable onboarding automation, customer lifecycle capabilities, partner-facing APIs and SDKs, compliance tools, and product-specific verification workflows. The role owns architecture, reliability, security, operational excellence, cross-functional delivery, hiring, coaching, and development of senior and staff engineers across risk, compliance, fraud, product, and engineering teams.

Build and operate scalable backend platforms, APIs, microservices, and event-driven integrations using Java, Spring Boot, and AWS. Responsibilities include technical design, automated testing, production troubleshooting, reliability improvements, documentation, code reviews, feature ownership, and on-call support. The role collaborates with product and engineering teams to deliver highly available services and business-critical workflows.

Develops, implements, tests, and demonstrates advanced signal processing, optimization, and machine learning algorithms for radar, electronic warfare, and remote sensing systems. Responsibilities include algorithm research, modeling and simulation, multidisciplinary systems integration, laboratory and field testing, technical presentations, customer collaboration, and transitioning research into operational prototypes. Requires scientific programming, strong analytical skills, and the ability to obtain a Top Secret clearance.

Leads a distributed backend engineering team while contributing to architecture and code. Owns communications infrastructure for email, push notifications, and SMS, including APIs, vendor integrations, internal self-service tools, reliability, compliance, and delivery performance. Partners with Product and cross-functional stakeholders to define roadmaps, prioritize work, manage milestones, and communicate business value. Coaches engineers, manages contractors and vendors, and supports scalable messaging platforms using Java and AWS technologies.

Leads Finance technology integrations and AI-first automation across ERP, procure-to-pay, billing, revenue, and accounting workflows. Designs Workato integrations, AI-powered workflows, agents, and copilots; resolves operational issues; supports SOX audits; and establishes scalable architecture, governance, and standards. Partners with Finance, IT, Security, Legal, Data, and GTM Systems teams to translate business needs into compliant solutions, enable nontechnical users, and measure automation outcomes.

Develop and customize Guidewire applications supporting insurance policy, billing, and claims functions. Responsibilities include coding, configuration, integrations, testing, troubleshooting, requirements analysis, modernization support, client communication, workstream management, and mentoring junior developers. The role focuses on delivering software solutions across BillingCenter, ClaimCenter, and PolicyCenter while addressing complex technical and business challenges for insurance clients.

Designs and develops scalable, highly concurrent C++ software for HPE’s Alletra enterprise storage platform in Linux environments. Responsibilities include building storage services and distributed systems features, debugging performance and reliability issues, developing automated tests, participating in architecture and code reviews, integrating technologies, and mentoring engineers. The role focuses on availability, data integrity, operational efficiency, and robust systems infrastructure.

Lead technical vision and architecture across engineering domains, decompose complex problems, and ensure scalable, operable implementations. Modernize monolithic systems into microservices and event-driven platforms, define API and platform standards, and guide cross-divisional initiatives. Provide hands-on technical contributions while mentoring engineers, promoting engineering excellence, recruiting talent, and communicating technical knowledge across the organization.