Top Senior Software Engineer Jobs in Boston, MA

Design, build, and maintain full-stack claims solutions in an agile team using React, TypeScript/JavaScript, Node.js and Java. Implement RESTful services, leverage AWS and Cloud Foundry, and use CDNs like Akamai. Deliver end-to-end development including automated testing, debugging, and deployment guidance. Mentor junior engineers, translate client requirements into technical designs, and identify opportunities for continuous improvement to accelerate delivery and improve product quality.

Design, build, and evolve cloud-based platform software for personal lines insurance. Lead development using AWS, C#/.NET, Kafka, containers and Kubernetes, implement CI/CD with GitHub Actions, ensure observability and testing, mentor engineers, write technical documentation, and drive continual performance and quality improvements in an agile environment.

Join the Small Commercial Service team to design and build tools enabling customer and agent support. Consult on complex projects, develop scalable services and APIs, mentor junior engineers, translate customer needs into technical solutions, and work in an agile environment using modern full‑stack and cloud technologies.

Design, develop, and maintain full‑stack claims software in an agile team. Build RESTful services, implement automated tests, use cloud/CDN technologies, mentor junior engineers, and translate client requirements into scalable technical solutions.

The role involves designing and implementing backend systems, driving initiatives, improving performance and scalability, and mentoring engineers while ensuring collaboration with cross-functional teams.

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.

Lead Software Engineers will develop software solutions for national security, oversee technical challenges, mentor juniors, and enhance real-time data communications.

Lead a team to develop distributed systems using Golang and Python on Kubernetes, collaborate on AI/ML solutions, and drive technological innovation.

As a Distinguished Engineer, you will lead technical projects, mentor engineers, promote innovation, and provide strategic solutions for complex problems within Capital One's cloud banking environment.

Lead back-end engineer building infrastructure to process, store, and expose large heterogeneous datasets. Deploy analytic components on on-prem and cloud, collaborate with algorithm developers and users, lead cross-functional teams, and transition systems to partner organizations while operating in a classified environment.

Lead diverse technology projects and a team to create solutions for regulatory needs, utilizing Cloud Native technologies, coding, and collaboration with product managers.

Build and maintain high-performance backend services in Go for a low-latency, high-throughput trading exchange. Design distributed systems, optimize performance, improve observability, and collaborate across Product, Data, and Ops to ensure resiliency and scalability.

As a Senior Software Engineer, you will develop and validate real-time sensor software, integrate algorithms, and perform rigorous testing in a collaborative environment.

Lead technical direction and maintenance of a React Native mobile app for iOS and Android. Improve security, authentication (Okta/MSAL/OIDC), Intune device-compliance, CI/CD and release engineering, dependency and SDK upgrades, automated testing, and documentation. Mentor engineers, partner with Security/DevOps/Product, and own production support, crash triage, and app-store compliance.

The Lead Software Engineer will develop advanced technologies, design software solutions, and collaborate on multi-disciplinary teams to solve national security challenges.

Design and implement backend systems for business operations at WHOOP, ensuring reliability, performance, and scalability. Collaborate with stakeholders and mentor engineers.

Lead a team of developers to build technology projects using microservices and full stack systems, focusing on cloud-based solutions and mentoring team members.

As a Principal Software Engineer, you'll modernize DevX Pipelines, enhance CI/CD infrastructure, and promote software delivery efficiency.

Design, develop, and maintain full-stack features for a cloud-based SaaS platform using C#, ASP.NET MVC, React, and T-SQL. Lead code reviews, own integrations with external systems, influence architecture and scalability decisions, and collaborate with cross-functional teams to deliver reliable, maintainable solutions.

Lead and mentor engineering teams to build distributed microservices and full‑stack cloud solutions for risk management. Collaborate with product managers, deliver scalable AI‑enhanced systems, and apply modern tooling (containers, databases, cloud).

Design and develop complex software solutions for the FedNow service, leveraging cloud technologies, Java, and Agile methodologies, ensuring high-quality and timely infrastructure support.

Lead the Practice Hub team as a Staff Software Engineer, driving architecture, design, and implementation of scalable software services for veterinary clinics. Oversee project delivery, system design, and mentor engineers using a broad set of technologies while applying DevOps principles to maintain high-quality software.

As a Lead Software Engineer, you'll develop cloud-based applications using React and Node.js, mentor engineers, and improve processes.

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.