Senior Software Engineer II

Role Overview CarGurus is hiring a Software Engineer II to focus on developer experience in Boston, Massachusetts. This position centers on making life easier for fellow engineers by improving the tools and frameworks they use every day. What You Will Do Work with cross-functional teams to identify and address pain points in the software development process Design and implement solutions that streamline workflows for engineering teams Build and maintain internal tools and frameworks that help teams deliver reliable, high-quality products About the Team This group collaborates closely with engineers across CarGurus to support efficient, effective software delivery. The focus is on practical improvements that make a real difference in daily development work.

Role overview Klaviyo is hiring a Software Engineer II focused on Developer Experience in Boston, MA. This role centers on improving the tools and systems that support developers across the company. The goal: make it easier for engineers to build and ship strong products. What you will do Work with teams from different disciplines to refine and enhance developer workflows Contribute to the design and delivery of software solutions that raise the bar for developer productivity Help maintain and evolve internal tools and systems to support a smooth engineering experience

At WHOOP, our mission is to revolutionize human performance and enhance healthspan. We empower our users to achieve peak performance by providing them with profound insights into their bodies and daily activities. Our cutting-edge wearable technology meticulously tracks vital physiological metrics, including heart rate variability, resting heart rate, and sleep quality, delivering personalized insights that optimize fitness, health, and recovery.As a Backend Software Engineer II specializing in AI Experiences, you will harness WHOOP's state-of-the-art generative AI capabilities to design, develop, and maintain engaging member-facing features that significantly improve health outcomes. You will be an integral part of a collaborative team, working alongside seasoned engineers, designers, and product managers to empower our members in understanding their health, enhancing their performance, and navigating their WHOOP journey with clarity.

Join CarGurus, a leading online automotive marketplace, as we seek an innovative and driven Engineering Manager to enhance our Developer Experience team. In this pivotal role, you will lead and inspire a talented group of engineers, driving initiatives that enhance the tools and resources available to our developers, ultimately improving the quality and efficiency of our software delivery.Your leadership will be crucial in fostering a culture of collaboration and continuous improvement, ensuring our development teams are equipped with the best practices and technologies to succeed.

Location: Waltham, MA (Hybrid – 3 days in office) Next Insurance is looking for a Backend Engineer to join the Development Experience Team. This position centers on platform engineering, with a focus on supporting U.S.-based teams and connecting their needs with global infrastructure projects. Role overview This role takes a lead position in shaping the strategy for an Agentic (AI-based) Software Development Life Cycle. The goal is to move beyond simple automation and build a future where AI agents support every stage of the SDLC, from design to deployment. Deep backend coding skills are essential, as the work will directly influence how U.S. engineering teams adopt and benefit from these AI-driven tools. Key responsibilities Act as a technical anchor for local platform engineering initiatives. Bridge U.S. engineering needs with global infrastructure efforts. Architect and maintain Next Insurance’s cloud-only infrastructure, treating the platform as a product. Identify platform challenges and lead projects that improve developer experience and drive business value. What you will work on Develop and refine tools and processes to enhance the software development life cycle using AI agents. Work across a wide range of cloud and application infrastructure technologies. Collaborate with engineering teams to understand pain points and deliver solutions that make daily work more efficient. Since 2016, Next Insurance has provided fast, customized, and affordable coverage to small businesses across the U.S. The company continues to grow with support from leaders in both insurance and technology, aiming to transform the customer experience and empower entrepreneurs everywhere.

Join CarGurus, a leading online automotive marketplace, as a Software Development Engineer II, Consumer. In this pivotal role, you will collaborate with cross-functional teams to design, develop, and maintain innovative software solutions that enhance user experience for consumers in the automotive space. You will be responsible for writing high-quality code, implementing best practices, and contributing to architectural decisions. Your efforts will directly impact our mission to make car buying and selling simpler and more efficient.

Join Our Innovative TeamBe part of the Customer Experience (CX) Product team that oversees the complete post-booking journey. From the moment a trip is booked to handling changes, disruptions, refunds, and customer support interactions, we are dedicated to enhancing the travel experience.We develop and maintain systems that provide rapid, high-quality support at scale, including:User-friendly self-service experiences within the Hopper app and partner-integrated systems.Robust internal agent platforms that facilitate efficient, high-quality human resolution.HTS Assist, our premier agentic AI platform, utilized internally and as a B2B solution for global travel partners.Our platforms serve millions of travelers across various channels—chat, voice, web, and third-party—ensuring seamless post-booking experiences worldwide.Your RoleAs a Senior Software Engineer in the CX Platform team, you will architect, build, and enhance the core systems that underpin Hopper’s post-booking experience. Your contributions will directly affect customers, internal support agents, and the growth of HTS Assist across AI-driven communication channels.You will work in close collaboration with Product, Design, AI, Data, and Operations teams to deliver intelligent, scalable customer service systems, including conversational AI workflows and self-service customer journeys.Daily ResponsibilitiesDesign, develop, and enhance backend and/or full-stack systems that support HTS Assist, internal agent tools, and customer self-service flows.Create scalable APIs, microservices, and orchestration logic for complex post-booking journeys across AI, chat, voice, and web.Collaborate with product, design, AI, and operations teams to implement features that optimize customer experiences and improve agent efficiency.Integrate with external systems such as telephony, CRM, identity, and booking platforms to support both internal and partner-specific applications.Own features from initial technical design through implementation, testing, deployment, monitoring, and iteration.

Who We AreAt CarGurus (NASDAQ: CARG), our mission is empowering individuals to reach their destinations with confidence. What began as a small team of passionate developers has transformed into the largest and fastest-growing automotive marketplace, dedicated to bringing trust and transparency to car shopping. Over the past 15 years, we have achieved consistent profitability and remarkable growth driven by innovation and strategic market expansion.What We DoThe automotive landscape is shifting, and so are we. Our aim is to transition the entire car-buying journey online, guiding consumers through every phase—from selling their old vehicles to financing, purchasing, and delivering new ones. Tens of millions of consumers visit CarGurus.com each month, and approximately 30,000 dealerships utilize our products. Our employees thrive in a people-first culture that promotes kindness, collaboration, and innovation, empowering our Gurus with resources for career advancement. Join us as we disrupt a trillion-dollar industry with fresh and diverse perspectives!Role OverviewWe are looking for a Full Stack Software Engineer II to join CarGurus' Dealer Competitive Intelligence team. In this role, you will be pivotal in developing the next generation of analytics, data products, and dealer-facing experiences. This position offers a diverse range of opportunities to work across the technology stack as we build a new dealer-oriented product from the ground up. Success in this role requires quick learning and effective collaboration with a cross-functional team.

Urban Compass is looking for a Senior Software Engineer II in Boston. This position centers on building software that improves both user experience and operational processes in the real estate sector. Role overview As a Senior Software Engineer II, the work involves designing and developing new features and tools for Urban Compass’s platform. The team values practical solutions that make real estate transactions smoother and more efficient for users. What you will do Create and maintain software that supports the company’s mission in real estate technology. Work alongside other engineers to deliver features that improve usability and efficiency. Apply technical expertise to solve complex problems and contribute to ongoing projects. Requirements Experience in software engineering at a senior level. Ability to design and implement solutions that enhance user experience and operational workflows.

Join usm2 as a Network Engineer II, where you will play a crucial role in designing, implementing, and maintaining our network infrastructure. You will collaborate with cross-functional teams to ensure network reliability and performance, while troubleshooting and resolving issues as they arise.

Join Alarm.com as a Software Engineer II where you will be part of a dynamic team dedicated to enhancing our innovative security and home automation solutions. In this role, you will contribute to the design, development, and implementation of cutting-edge software applications that empower consumers and businesses alike. Your expertise in software development will be essential in delivering high-quality products that meet our customer needs.

At WHOOP, we are dedicated to revolutionizing human performance and extending healthspan. Our mission is to empower individuals to reach their optimal potential by providing comprehensive insights into their physiological well-being through our cutting-edge wearable technology. By continuously monitoring vital metrics, we deliver personalized recommendations that enhance fitness, health, and recovery.The Growth Team at WHOOP embodies a dynamic, fast-paced, and experimentation-focused environment. Our primary objective is to drive user acquisition, activation, and retention through a data-driven approach. We rigorously evaluate the performance of our features and iterate based on quantifiable results.As a Software Engineer II on the Growth Team, you will play a pivotal role in developing features that significantly influence our business metrics and member growth. Your collaboration with cross-functional teams will be essential in designing, measuring, and refining high-impact mobile experiences that resonate with our users.

At WHOOP, our mission is to enhance human performance and extend healthspan. We empower our members to optimize their performance and longevity through profound insights into their bodies and daily routines. A critical aspect of our mission is safeguarding our members' data while ensuring our systems scale securely and reliably. We are seeking a talented Software Engineer II specializing in backend development to build and refine the systems that fuel our platform. This pivotal role will play a direct part in delivering scalable and secure services that support millions of members globally. While backend development expertise is essential, familiarity with cybersecurity principles (such as data privacy, authentication, and authorization) or cloud infrastructure concepts (including AWS, Infrastructure as Code, and Kubernetes) will be highly regarded. This position offers a unique opportunity to align with either our Product Security team, focused on security compliance and data privacy, or our Application Infrastructure team, which emphasizes scalability, reliability, and developer support. In either capacity, you will help shape core platform practices and contribute to WHOOP's growth trajectory.

About SimpliSafe SimpliSafe is a pioneering home security technology company dedicated to safeguarding your home and the life you've built. We are on a mission to ensure Every Home is Secure, and we foster a culture that equally values your career development. Join us in a collaborative, innovative environment where egos are left at the door and growth opportunities abound. We’re not just looking for employees; we want you to flourish and make a significant impact in the lives of those we protect. We embrace a hybrid work model, allowing our teams to balance their time between the office and their homes. This means we expect our team members to come together in our cutting-edge office on two core days of the week—typically Tuesday, Wednesday, or Thursday—while enjoying flexibility for the remaining days. Why are we hiring? As we continue to expand, we are in search of intelligent, skilled, and humble individuals who resonate with our values. Join us as we disrupt the home security industry and relentlessly pursue our mission of ensuring Every Home is Secure. Your Role As a Software Engineer II on the Video team at SimpliSafe, you will play a crucial role in developing and maintaining our cloud-based systems that facilitate live streaming and video recording for SimpliSafe cameras. Your expertise will support backend microservices responsible for ingesting, processing, storing, and delivering real-time video to customers, monitoring agents, and machine learning systems. In this safety-critical domain, reliability, performance, and simplicity are paramount. You will collaborate closely with fellow engineers, product managers, and partner teams to design, implement, and enhance services that provide customers with confidence and visibility into their homes. Key Responsibilities Design, develop, and maintain backend services that enable live video streaming and recording at scale. Write clean, reliable, and thoroughly tested code using contemporary development tools and practices, with an emphasis on maintainability and long-term ownership. Enhance system reliability, performance, and observability through thoughtful design and iterative improvements. Collaborate with senior engineers to adopt best practices for designing and operating distributed systems. Engage in operational responsibilities, including on-call duties, incident response, and post-incident analysis. Participate in design discussions and contribute to the technical direction of the team. Document systems and processes to ensure knowledge sharing and continuous improvement.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each of our team members, whom we affectionately refer to as Klaviyos, brings to our collaborative environment. We believe in providing everyone an equitable opportunity for success and value the unique experiences that extend beyond conventional job qualifications. If you find yourself slightly differing from the outlined requirements, we encourage you to apply. Curious about life at Klaviyo? Explore more at klaviyo.com/careers to discover how we empower creators to take charge of their destinies.Klaviyo is on a rapid growth trajectory with positions available for various skill levels across all teams. For insights into our engineering culture, visit https://klaviyo.tech.We thrive on solving complex engineering challenges and seek Engineers who, while specializing in specific fields, are passionate about building, owning, and scaling features from inception to deployment, overcoming any obstacles in their path. We motivate each other to step out of our comfort zones, embrace new technologies, and continuously strive for improvement.Klaviyo operates a real-time data platform developed in Python, designed for massive scalability on Amazon Web Services (AWS). Our Engineers come from a wide array of programming backgrounds and disciplines.Team Overview:The Developer Experience (DevX) team is a dynamic, hybrid product-platform group dedicated to empowering external developers and partners by enhancing the applications they create utilizing Klaviyo’s Public APIs and features. Key areas of responsibility include:Managing our Application directory, which facilitates Klaviyo customers in discovering applications available for activation.Overseeing the self-service application process for partners to submit their applications, and enabling Klaviyo staff to review and approve submissions.Developing API Analytics, a system that assists developers and partners in diagnosing application issues and understanding their API utilization, powered by a near real-time data pipeline processing over 160,000 events per second.Generating autogenerated API documentation, SDKs, CLIs, and MCP servers.Responsibilities:...

Join OpenGov as a Software Engineer II, where you will be at the forefront of creating innovative solutions that enhance the efficiency of government operations. You will work collaboratively with a talented team, contributing to the design, development, and maintenance of our cutting-edge software applications.As a part of our dynamic environment, you will have the opportunity to tackle complex challenges and implement scalable solutions that positively impact communities. Your expertise will help us in our mission to empower public sector organizations with modern technology.

WHOOP helps people understand their bodies and improve their health. Our platform supports members in reaching their goals by giving them deeper insight into daily performance and well-being. About the Role The Software Engineer II (Backend, Health Records) will focus on building systems that securely handle and process health data. This work supports the integration of external healthcare sources with WHOOP’s platform, making it possible to turn complex records into useful, actionable information. What You’ll Do Develop and maintain backend systems for health data ingestion and processing Ensure solutions are secure and scalable Help connect external healthcare ecosystems to WHOOP’s platform Transform raw health records into insights that support personalized health experiences Contribute to projects that expand WHOOP’s ability to deliver long-term value to members Location This role is based in Boston, MA.

Role Overview Whoop, Inc. is hiring a Software Engineer II focused on frontend development for its AI Platform in Boston, MA. This position centers on building and improving user interfaces that support the company’s fitness technology products. What You Will Do Work with teams across engineering, design, and product to deliver polished, intuitive user interfaces Contribute to the design and implementation of features that expand the platform’s capabilities Help shape the user experience for tools that support Whoop’s mission to unlock human performance What We’re Looking For Experience with modern frontend technologies Interest in building high-quality, engaging user experiences Strong collaboration skills and the ability to work with cross-functional teams This role is based in Boston, MA.

Role overview This Backend Software Engineer II position at Whoop focuses on hardware acceleration. The work centers on building backend systems that support health and fitness tracking products. Scalability and efficiency are key priorities for these systems. What you will do Develop and maintain backend services that use hardware acceleration to boost platform performance Collaborate with other engineering teams to support both new and existing health and fitness tracking features Help ensure core backend services remain reliable and scalable Location This position is based in Boston, MA.