Top Senior Level Software Engineer Jobs in Boston, MA

Maintain and improve Advisor360°'s SaaS platform by diagnosing complex issues, optimizing performance and availability, designing serviceability tooling, and collaborating with Engineering, QA, DevOps, and Infrastructure. Mentor teammates, ensure coding standards, participate in on-call rotations, and support global infrastructure deployment and scalability.

As a Senior Software Engineer, you'll lead software projects, develop cloud-native solutions using .NET and Angular, and guide the engineering team in best practices.

Lead the Customer Agent AI project at Klaviyo, managing engineering teams, defining technical direction, and driving architectural decisions to develop a conversational AI platform.

As a Senior Software Engineer, you will lead user-experience improvements, drive A/B testing, mentor team members, and develop scalable solutions to enhance customer onboarding and success.

As a Senior Software Engineer at Klaviyo, you will design and scale AI backend systems, collaborate with ML engineers, and optimize customer experience through innovative technology.

Design, build, and operate scalable backend services and APIs for Chewy Vet Care using Java, Spring Boot, and AWS. Collaborate with product, data, clinical, and engineering teams to translate requirements, improve observability, troubleshoot production, participate in on-call rotation, and advance platform-first architecture, CI/CD, and secure engineering practices.

The Distinguished Engineer will drive innovation in banking technology, lead software engineering projects, mentor teams, and utilize AI and advanced architectures for risk management.

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.

Lead technical design and hands-on development of low-latency, event-driven trading and market data platforms. Drive architecture, engineering standards, CI/CD, observability, and AI-assisted tooling; collaborate with product and solution teams; mentor engineers; ensure resilient, secure, cloud-native solutions aligned with enterprise strategy.

The Senior iOS Engineer will design and implement core iOS platform capabilities, lead technical planning for initiatives, mentor other engineers, and ensure app reliability and performance.

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 development and innovation efforts, mentor teams, manage projects and client relationships, and implement software solutions that drive digital transformation.

As a Senior UI Software Engineer, you'll lead front-end development, design user experiences, mentor junior engineers, and integrate AI capabilities into products.

Lead the Build team, drive core product experience, manage engineering managers, collaborate across teams, and ensure successful delivery of SaaS products.