Top Senior Level Software Engineer Jobs in Boston, MA

Design, build, maintain, and operate mission-critical analytics infrastructure and distributed systems at scale. Create technical designs, write high-quality code, provision cloud infrastructure, review designs and code, and mentor engineers. The role requires collaboration across teams, production system ownership, high-volume data processing, and solving complex technical problems in a fast-growing environment.

Leads technology projects and engineering teams building large-scale, distributed, cloud-native systems for risk and compliance technology. Provides technical leadership across teams, shapes architecture and platform roadmaps, mentors engineers, and drives reliable, high-performance implementations. Partners with product leaders and architects while using modern programming languages, cloud platforms, microservices, databases, containers, APIs, observability, CI/CD, and infrastructure-as-code practices.

Leads Liberty Mutual’s People, Purpose & Brand technology strategy, transformation, portfolio, and approximately 125-person organization. Oversees modernization of HR platforms, employee experience systems, data, AI, integrations, security, architecture, vendors, and resilient operations. Owns approximately $50 million in annual investment, partners with executives on priorities and tradeoffs, drives engineering excellence and product-centric delivery, and develops an inclusive, high-performing technology organization through sustained transformation.

Design, scale, and operate Husky, Datadog’s petabyte-scale distributed columnar event store. Migrate storage to open standards including Parquet, Arrow, and DataFusion; improve compaction, compression, indexing, caching, and storage tiering; support event versioning and Iceberg-based analytical workloads; collaborate across ingestion, metadata, platform, and Lakehouse teams; and contribute to open-source software.

Designs and develops scalable, concurrent software for HPE’s Alletra enterprise storage platform using modern C++ and Linux. Responsibilities include building distributed storage features, debugging performance and reliability issues, creating automated tests, participating in architecture and code reviews, integrating technologies, and mentoring engineers. The role requires expertise in systems infrastructure, multithreaded programming, algorithms, data structures, and software architecture.

Lead the Cloud Platform engineering team responsible for scaling and operating nRF Cloud, an IoT platform supporting millions of devices. Own reliability, performance, infrastructure, databases, security, observability, and the technical roadmap. Manage team productivity, culture, hiring, and cross-functional alignment while remaining hands-on through architecture, code reviews, and production debugging. Drive platform excellence, sustainable on-call practices, and pragmatic technical investment.

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.

Designs and develops core modules for the Elluminate platform across the full software development lifecycle. Responsibilities include building interactive, data-driven web applications; writing and reviewing code and unit tests; contributing to scalable, secure architecture; supporting QA, releases, and defect resolution; researching technologies; and providing technical support for existing product releases.

Build and lead high-performance distributed control plane services for cloud compute infrastructure using Go. Design scalable microservices with gRPC and REST, solve distributed-systems and operational challenges, mentor engineers, lead technical projects, improve architecture and build pipelines, and participate in on-call support and production monitoring.

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.