Top Senior Software Engineer Jobs in Boston, MA

Design, develop, and optimize high-performance network datapath software for cloud infrastructure. Build packet-processing, routing, forwarding, observability, and hardware-accelerated networking systems across Linux hosts, kernels, user space, and NICs. Investigate production performance and reliability issues, create testing and benchmarking frameworks, author technical designs, collaborate across infrastructure teams, and mentor engineers.

Develop and maintain scalable cloud network control-plane software, including APIs, services, tools, and customer-facing products. Implement, test, optimize, and support high-performance distributed systems while improving reliability, monitoring, development processes, and architecture. Collaborate across networking teams to establish API contracts and build next-generation products using Go, Kubernetes, Docker, Kafka, gRPC, and related cloud technologies.

Leads technical initiatives for Toast’s restaurant scheduling product, designing and delivering scalable full-stack software. Responsibilities include architecture, API and system design, roadmap influence, cross-functional collaboration, engineering quality, performance, and technical leadership. The role also promotes AI-assisted development and improved employee and customer experiences.

Lead the technical vision, architecture, and delivery of Toast’s pricing engine across multiple teams. Design and operate highly available distributed systems, APIs, databases, and event-driven services at scale. Serve as the pricing domain expert, improve correctness and performance, lead incident response and reliability initiatives, mentor engineers, establish operational excellence, and align technical priorities with Product and engineering leadership.

Lead backend engineering strategy for Affirm’s search and recommendation platform. Design and launch highly available distributed systems, guide technical architecture and execution, improve team operations and reliability, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on search, recommendations, consumer shopping experiences, monetization, and scalable platform foundations.

Architect, build, and operate large-scale relational and distributed SQL database infrastructure. Responsibilities include database control-plane automation, provisioning, failover, backups, upgrades, zero-downtime migrations, Kubernetes networking, connection proxy optimization, reliability monitoring, capacity planning, and operational support. The role also leads technical delivery, mentors engineers, establishes quality standards, collaborates cross-functionally, and contributes to team roadmap and on-call operations.

Design and build scalable frontend and backend features for route planning, routing, navigation, and route execution products. Partner with product, design, and engineering leadership to improve planner efficiency, leverage AI appropriately, and promote technical excellence. Mentor junior engineers, contribute to team growth, engage with customers, and help scale products across industries and customer verticals.

Develop and maintain scalable control-plane software for DigitalOcean’s network products. Responsibilities include building APIs and microservices, implementing and optimizing services, troubleshooting customer issues, supporting existing products, improving development processes, and contributing to architecture and engineering best practices. The role involves end-to-end SDLC ownership, CI/CD deployment, distributed systems, containerized workloads, and collaboration across networking teams.

Build and scale mission-critical tips, earnings, and payroll platforms for restaurant employees. Own systems end to end, lead complex projects from design through deployment, improve reliability and correctness, collaborate with product and design, review code, mentor engineers, and deliver scalable backend services that affect employee pay and product revenue.

Design, develop, test, and maintain C++ and C# desktop applications using WPF for semiconductor equipment. Build multithreaded and concurrent software, integrate applications with hardware and automation systems, optimize performance, troubleshoot complex issues, conduct code reviews, create technical documentation, and support deployments and customer issue resolution.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Lead backend engineering strategy for Affirm’s international Identity team. Design and launch highly available distributed systems supporting KYC, user lifecycle management, and identity decisioning. Drive technical planning, cross-functional collaboration, operational excellence, monitoring, testing, and on-call readiness. Establish engineering quality standards, influence architecture, mentor team members, and deliver scalable systems using Python or Kotlin, AWS, MySQL, Spark, and Kubernetes.

Senior Software Engineer responsible for designing, developing, testing, and releasing scalable full-stack features for Huntress’s Core Platform. The role owns complex projects end to end across frontend, backend, databases, and infrastructure; promotes code quality through testing, reviews, and pairing; breaks down epics into milestones; contributes technical solutions; and mentors engineers. The position requires extensive Ruby on Rails and full-stack experience, plus familiarity with Linux infrastructure, databases, external APIs, Agile practices, and responsible AI-assisted development.

Develop full-stack, data-centric applications with GenAI capabilities, agentic workflows, predictive models, APIs, data pipelines, databases, and cloud infrastructure. Responsibilities include designing technical solutions, collaborating with data scientists and stakeholders, provisioning data for AI workflows, automating testing, supporting applications throughout their lifecycle, reducing technical debt, and promoting engineering excellence in an agile environment.

Build and operate backend-focused production software, APIs, integrations, databases, distributed systems, and asynchronous workflows. Develop AI-enabled and agentic systems with retrieval, tool use, evaluation, permissions, observability, and reliability controls. Own products from definition through iteration, collaborate with data engineering, data science, and SRE, make pragmatic technical tradeoffs, and mentor engineers.

Design, develop, test, and maintain backend systems and APIs for ingesting, processing, and routing large-scale telemetry data. Own end-to-end features, contribute to architecture and internal tools, write automated tests, participate in on-call/support rotation, and collaborate with cross-functional teams to deliver scalable, high-performance distributed systems.

Designs, develops, tests, troubleshoots, documents, and maintains software applications throughout the project lifecycle. Responsibilities include coding, database and system administration, performance testing, debugging, software upgrades, requirements documentation, user support, vendor coordination, and collaboration with analysts, administrators, and engineers. The role also provides guidance to junior development staff and supports cross-departmental projects.

Architect and develop scalable APIs, software solutions, and high-quality frontend experiences. Lead technical initiatives, define engineering standards, manage software design and code reviews, mentor engineers, and guide products from conception through deployment. Collaborate across teams to establish roadmaps, deliver customer-focused capabilities, and maintain reliable, reusable, testable code supporting sports data and analytics platforms.

Senior frontend engineer responsible for developing and maintaining full-stack consumer-facing products. Owns features from design through implementation, testing, deployment, and bug resolution. Collaborates with product, UX, and business stakeholders; conducts code reviews; improves engineering processes, productivity, and code quality; documents workflows; estimates work; and mentors junior engineers. Requires expertise in React/Next.js, ORM and API development, Storybook, cloud technologies, and scalable always-available applications.

Design, implement, test, and modernize backend services and integrations (TypeScript/Node.js and C++). Lead large projects, write technical specifications and API contracts, enforce coding standards, coach engineers, and drive legacy-to-modern migrations within online banking and core systems.

The Software Engineer will manage data collection, optimize cloud infrastructure for data ingestion, and collaborate with AI researchers to enhance datasets for model training.

Design, build, and maintain mission-critical data and analytics infrastructure on AWS. Develop high-quality code, create system infrastructure, operate distributed systems in production, and contribute to technical design. Review designs and code, establish engineering best practices, and mentor engineers across the organization. Work with large-scale data processing, storage, OLTP and OLAP databases, and real-time analytics systems.

Develop and optimize high-throughput C++ algorithms for remote sensor data exploitation, image analysis, detection, and tracking. Design software architectures, implement new algorithms, contribute to shared tools, and collaborate within an Agile team. The role requires strong object-oriented programming, database experience, Linux proficiency, multithreading and concurrency skills, data-structure knowledge, and optimization expertise.

Develop and optimize high-throughput C++ algorithms for remote sensor data exploitation, image analysis, detection, and tracking. Design software architectures, contribute to Agile teams and shared tools, and work with databases and Linux systems. The role requires strong object-oriented programming, data structures, concurrency, and performance optimization skills.

Own the assessment, hardening, testing, modernization, and sustainment of a government SDN software baseline. Develop secure C++ and Python solutions, remediate vulnerabilities, improve testing, debug application and network issues, and support containerization, CI/CD, deployment, and security scanning. Collaborate with platform engineers and government stakeholders, document technical decisions, validate releases, and mentor engineers in Navy environments.