Top Senior Software Engineer Jobs in Boston, MA

As a Senior Software Engineer, you will design, develop, and deploy scalable solutions, mentor junior engineers, and drive continuous improvement in technology processes at Ascend Learning.

Lead a team delivering cloud-based back-end financial systems, architect distributed microservices, collaborate with product managers, mentor engineers, and build scalable data and reporting solutions using modern languages, containers, and cloud services.

Build and maintain digital content products for America's Test Kitchen. Work on software development, data analysis, and product-focused engineering across associate, senior, and lead roles in a hybrid Boston environment.

Lead the development of innovative display ads technologies, mentor engineers, and ensure system performance and reliability in a fast-paced environment.

Lead UI architecture and design for responsive web applications; build reusable components with Angular/React/Vue and TypeScript/JavaScript; integrate UIs with RESTful microservices; enforce accessibility, security, testing, and CI/CD standards; mentor developers and collaborate with UX, backend, and DevOps teams in Agile environments.

As a Senior Software Engineer, you will design and implement software solutions, support integration and testing, and collaborate across teams to address national security challenges.

The Senior Software Engineer develops innovative software solutions focused on estimation theory and machine learning while collaborating with multidisciplinary teams.

The Senior Software Engineer will lead the development of backend services and APIs, design system architecture, and collaborate closely with teams to evolve the Enterprise platform.

Lead a portfolio of technology projects and a team of developers to design and deliver cloud-based, full-stack microservices. Mentor engineers, collaborate with product managers, evaluate and write code, and use languages and tools (JavaScript, Java, TypeScript, Python, Go, SQL), container orchestration, and AWS/GCP/Azure to build scalable customer-facing solutions.

Lead cross-team technical vision for a new product launch while remaining hands-on. Design scalable backend-heavy systems, run services in production, define SLOs, mentor engineers, and drive alignment across squads. Work end-to-end with product, prioritize architecture for scale, and use AI-augmented workflows to boost engineering velocity.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

As a Senior Software Engineer, you'll design and implement software solutions, support system integration, and collaborate with teams to solve national security challenges.

Lead and mentor on-shore/off-shore Java development teams to design, develop, test, debug, and deploy complex web applications and services. Drive technical reviews, estimates, best-practices, and incident resolution; collaborate with business sponsors and clients; write unit tests; ensure database and performance/security considerations are addressed.

Develop and maintain ultra-low-latency trading infrastructure in C/C++ on UNIX. Work across distributed systems, concurrency, OS, networks, and architecture; collaborate on large codebases and trading system components (feed handlers, OMS, order execution).

Develop, test, and support mainframe database software within an Agile team. Participate in design/code reviews, sprint activities, customer interactions, and drive quality, security, and efficiency improvements.

Design, develop, test, and support scalable Java-based applications and REST APIs. Collaborate with architects, product and infrastructure teams to implement microservices, optimize performance, apply CI/CD practices, and participate in agile ceremonies. Lead code reviews, contribute to reusable frameworks, and support production troubleshooting and deployments.

As a Senior Software Engineer specializing in Distributed Systems, you'll design and implement scalable platforms, optimize data pipelines for durability and low latency, and impactfully contribute to service ownership.

Design, develop, test, deploy, and maintain full‑stack web applications. Build front-end interfaces, back-end logic, APIs and databases; troubleshoot accessibility and performance; integrate with Salesforce; create automated tests, prototypes and documentation; participate in code reviews and continuous improvement.

Design, build, and maintain cloud-native voice infrastructure for 911 call handling, ensuring SIP routing, call state management, redundancy, and end-to-end reliability. Integrate with telephony providers, PSAPs, and partners, drive platform architecture, collaborate with operations and networking, and participate in on-call incident response for a zero-failure system.

Design, build, and maintain cloud-based, fault-tolerant voice infrastructure for emergency 911 systems. Implement SIP routing, call state management, and provider integrations, drive platform architecture, collaborate across teams, and participate in on-call incident response to ensure uninterrupted call reliability.

The R&D Software Engineer will develop and support mainframe database solutions, focusing on code quality, Agile processes, and customer interaction.

Lead architecture, development, and operation of scalable, secure backend systems and APIs for real-time, high-traffic applications. Own full lifecycle from design through production, enforce engineering best practices, mentor engineers, and drive reliability, performance, and cross-functional alignment.

Design, develop, and maintain scalable web applications using React front ends and .NET 8 back ends. Build RESTful APIs and microservices, implement CI/CD with GitHub Actions, troubleshoot performance issues, participate in architecture and code reviews, and mentor junior engineers while collaborating with cross-functional teams.

Design and implement production-quality system software, tools, and frameworks for enterprise storage systems. Develop and run realistic validation and analysis solutions, debug cross-layer issues (application, OS, driver, hardware), collaborate with firmware/hardware teams, drive technical design, mentor engineers, and evolve internal tooling with AI integrations.

As a Lead Software Integration & Test Engineer, you will integrate, test, and verify C++ software for embedded radar systems, develop test frameworks, and mentor team members. You will also document processes and implement best practices to enhance integration and testing capabilities across programs.