Top Software Engineer Jobs in Boston, MA

As a Software Development Engineer II, you will enhance developer experience through tools and automation, building platforms and features for internal systems while collaborating with engineering teams.

Full-stack software engineer focusing on frontend React components and backend microservices. Design and implement scalable, resilient solutions; build/integrate RESTful APIs with Java/Spring; participate in architecture and code reviews, CI/CD, monitoring, on-call rotations, and mentor junior engineers.

Design, build and modernize cloud-native services and scalable APIs in an agile team. Collaborate with product and engineers, prioritize user needs, ensure quality via test- and behavior-driven development, and improve performance, reliability, and efficiency.

As a Backend Software Engineer II, you will design and develop APIs, collaborate with teams, and enhance the software lifecycle. You will work with stakeholders to shape system architecture and improve overall software performance.

Develop and implement complex software solutions primarily for the FedNow service, ensuring compliance with standards and providing technical leadership in a team-based environment.

As a Frontend Software Engineer, design, develop, and deploy web applications, collaborate with UX engineers, and implement user-friendly interfaces.

Build and maintain high-performance, scalable backend microservices for unified payment processing. Collaborate with product and cross-functional teams, advocate coding best practices, optimize performance and security, and apply testing and AI-assisted development to improve delivery.

Build and own full-stack, enterprise-grade analytics and reporting features—from data access and storage to front-end visualizations. Collaborate with Product, Design, Data Science and cross-functional teams to deliver AI-assisted, customizable reporting that drives adoption, retention, and action within the Klaviyo platform.

Design and implement scalable microservices and high-performance APIs for resilient distributed computing. Own features from R&D to production, collaborate with scientists and end users, apply typed functional Scala, and use rigorous testing (property-based, simulation) to ensure correctness under network partition and message loss.

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.

Design, develop, and implement software solutions across the SDLC. Analyze requirements, produce application and architectural specifications, translate requirements into code, troubleshoot issues, participate in code and design reviews, and collaborate with project managers, business analysts, and team members to deliver cloud-native, data platform services.

Develop and ship cloud-native full-stack features using Java/Spring Boot backend and React frontends. Design, test, deploy, and maintain secure, scalable services (PostgreSQL, Kafka, AWS, Kubernetes). Own features from design through production, participate in code reviews, troubleshoot production issues, improve CI/CD and observability, and collaborate with product and cross-functional teams. Use AI-assisted tools responsibly to increase engineering productivity.

The Autonomy Software Engineer develops and integrates software systems for defense-related sensor technology, focusing on real-time applications and system testing.

Early-career backend engineer contributing to Java-based services and APIs. Design, implement, test, and deploy production-quality code, participate in code reviews, collaborate with product and senior engineers, and use AI-assisted development tools to accelerate delivery and maintainable systems.

As a Software Engineer, you'll design and build production software that accelerates drug development, collaborate across teams, and leverage AI tools extensively in your work.

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 Full Stack Engineer develops and maintains a financial advisor platform using Ruby on Rails and React, builds RESTful APIs, collaborates with design teams, and optimizes performance.

Design and implement user-facing product and onboarding improvements, run and analyze A/B tests, collaborate cross-functionally, improve experimentation and development processes, mentor engineers, and define safe, performant AI agent goals. Hybrid role based in Boston (≥3 days/week).

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

Build and scale consumer-facing mobile and web applications and backend services. Own features end-to-end across frontend and backend, optimize databases and queries, integrate third-party APIs, implement algorithms for risk and transaction evaluation, improve reliability and CI/CD, and contribute to testing, monitoring, and internal tools to support customer operations.

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

Build custom integrations and internal engineering tools connecting biotech customers' scientific and IT workflows to Benchling. Collaborate with customers, own projects end-to-end, improve APIs and developer platform, maintain testing and CI/CD, and scale tenant operations, desktop apps, Connect adapters, and MCP servers to support lab automation and trusted scientific data access.

Senior Software Engineer responsible for owning and supporting the MCA international cash management platform. Duties include COBOL development, mainframe application support, Oracle Database and Linux administration, monitoring with Dynatrace, incident and change management via ServiceNow, vendor coordination (including Oracle Flexcube), troubleshooting production issues, delivering enhancements, and participating in Agile delivery to ensure platform reliability and regulatory compliance.

Build developer productivity tools and frontend frameworks for a large React application. Own features end-to-end, design and implement tooling for development, testing, and packaging, and collaborate with PMs, designers, and engineers to scale product and engineering practices.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.