Top Software Engineer Jobs in Boston, MA

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

Build developer tooling, framework components, and reusable templates to improve engineer productivity. Contribute to agentic development (Claude Code, plugins, MCP), strengthen Auth/identity (Keycloak, OAuth2/OIDC), and build/operate services using Java, Spring Boot, AWS, and Kubernetes. Investigate reliability and performance, apply standards, and partner across teams.

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.

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.

Lead technical vision and execution to consolidate legacy publishing onto a cloud-native Publishing API. Translate product strategy into architecture, mentor engineers, design cross-portfolio solutions for document generation/distribution, drive best practices, and be hands-on resolving complex technical challenges across teams.

Lead development and maintenance of high-performance React Native apps across iOS and Android. Improve architecture, manage RN upgrades, debug native modules, own automated testing and CI/CD, optimize performance and stability, and mentor engineers within cross-functional product pods.

Lead full‑stack development of React Native mobile apps and Node.js backends for digital therapeutics. Own architecture, build CI/CD and AWS infrastructure, design multi‑agent AI workflows, mentor engineers, and resolve cross‑cutting production issues.

Lead a team and portfolio building distributed microservices and full-stack systems to meet regulatory needs. Design and deliver cloud-based solutions, mentor engineers, collaborate with product managers, and adopt emerging technologies (containers, orchestration, databases, cloud, AI tooling) to drive customer-facing experiences.

Lead a team building cloud-based, full-stack microservices and AI-powered risk management solutions. Own a portfolio of projects, mentor engineers, collaborate with product managers, and deliver scalable, secure systems using modern languages, containers, orchestration, databases, and AWS cloud services.

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).

Build and maintain developer-facing tools and APIs for MongoDB Atlas and Compass. Work full-stack on customer-facing UIs and backend services, design scalable, highly available web applications, collaborate cross-functionally, troubleshoot distributed systems, and improve performance and developer experience.

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.

The Principal Engineer will lead enterprise scalability efforts, driving architectural changes, optimizing systems, and integrating AI for improved operational performance across multi-tenant SaaS platforms.

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

Lead a team to design, build, and deploy cloud-based, AI-enhanced risk management solutions. Drive full-stack and microservices architecture, mentor engineers, collaborate with product managers, and leverage AWS, container orchestration, databases, and modern programming languages to deliver scalable systems meeting regulatory needs.

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.

The Senior Software Engineer will lead technical discussions, develop innovative software solutions, mentor junior engineers, and enhance data communications systems. They require 5+ years of experience and programming skills in Python, C, and C++.

As a Lead Software Engineer, you will design and develop advanced algorithms for autonomous platforms, guiding a team through the software development lifecycle and ensuring best practices.

Lead a team building cloud-based, AI-enabled risk management solutions; own full-stack and microservices architecture, mentor engineers, collaborate with product managers, and deploy scalable systems using cloud, container orchestration, databases, and modern programming languages.

Design and maintain backend services for WHOOP's healthcare platform, integrating advanced data insights and collaborating on feature development with cross-functional teams.

The Senior Software Engineer will design and develop core modules for an AI-enabled platform, collaborating across teams and mentoring others in a fast-paced environment.

The Sr. Software Engineer will design and deliver scalable software that enhances customer interactions and operations, utilizing modern development tools and cloud services.

Design, implement, test, and operate core components of a distributed file system. Write high-performance C/C++ for kernel-adjacent and user-space storage, improve snapshots, caching, metadata, and protocol access (NFS/SMB/S3). Build HA stateful services on Kubernetes, lead design and code reviews, mentor engineers, and ensure production reliability, observability, and upgradeability.