Senior Software Engineer (Backend, Growth)
$150k - $210kWHOOP
At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology monitors vital physiological metrics to offer personalized insights that enhance fitness, health, and recovery. The Growth Team at WHOOP is a fast-paced, experimentation-driven group focused on driving user acquisition, activation, and retention. We take a data-driven approach to everything we do, frequently measuring the performance of our features and iterating based on those results. As a Senior Software Engineer, you will play a key role in building backend services that directly impact our business metrics and accelerate member growth. You'll work cross-functionally to deliver high-leverage features and contribute to system architecture decisions, helping WHOOP scale to millions of members.
RESPONSIBILITIES:
Design and build scalable and reliable backend services to support growth experiments, e-commerce flows, and member engagement initiatives. Collaborate closely with Product, Design, and cross-functional Engineering teams to define and deliver impactful features. Maintain and optimize APIs and infrastructure using Java, Kafka, Postgres, and AWS technologies. Take ownership of end-to-end development, from breaking down requirements to implementation, testing, deployment, and monitoring. Mentor junior engineers and contribute to the growth of engineering best practices across the team.QUALIFICATIONS:
Professional experience developing large-scale backend systems in a production environment. Deep proficiency in building and maintaining RESTful APIs and working with relational databases (e.g., Postgres). Experience with event-driven architectures and tools like Kafka or SQS. Strong testing practices and clear documentation habits. Ability to thrive in a fast-paced, iterative environment focused on growth and experimentation. Proven collaboration skills across engineering, product, and data teams. A growth mindset and excitement for tackling ambiguous challenges. Bonus: Experience building A/B testing infrastructure or growth-focused engineering features. Learn more about our Software Org and how to be successful in yourengineeringcareer at WHOOP via our Career Framework. This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office. Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply. WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values. At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success. The U.S. base salary range for this full-time position is $150,000 - $210,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training. In addition to the base salary, the successful candidate will also receive benefits and a generous equity package. These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements. #J-18808-Ljbffr WHOOP$185k - $225k
...future of AI in healthcare! About The Role We're looking for a Senior Backend Engineer to help define the future of AI-powered, human-led... ...years building production backend systems, ideally in high‑growth environments Experience designing and maintaining external...SeniorRemote work$190k - $240k
...hidden fees or compounding interest. The Engineering team builds systems that power affirm’s... ...designing, developing and launching backend systems at scale using languages like Python... ...that you take ownership of your growth, proactively seeking feedback from your...SeniorWork at officeRemote workFlexible hours- ...closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services. Build, maintain, and optimize APIs and infrastructure... ...funnels, e-commerce experiences, and membership growth experiments. Write well-tested, maintainable code...Suggested
$150k - $215k
...insights that enhance fitness, health, and recovery. As a Senior Software Engineer (Backend) focusing on Core & Ecosystem, you will play a critical... ...communication skills, with experience working cross‑functionally Growth mindset with a desire to learn, iterate, and improve in a...SeniorFull timeWork at officeRelocation- ...POSITION SUMMARY We are seeking a Senior Backend Engineer to join our Implementation Engine team... ...infrastructure. # Uphold and evolve our software engineering standards, including code... ...Collaborate with top talent in a dynamic, growth-oriented company. # Enjoy...Senior
$120 - $160 per hour
...and Dropbox. Learn more at semgrep.dev. About the role As a Senior Growth Engineer within the Product Engineering organization, you'll work at... ...problem‑solving 4+ years of experience writing production software and building web applications. Our stack includes Python,...SeniorHourly payCurrently hiringLocal areaRemote workWeekend work$148k - $222k
Klaviyo is seeking a Sr. Software Engineer to join their Flows AI team in Boston, Massachusetts. In this role, you'll drive the technical design for AI capabilities, owning projects end to end and building scalable full-stack systems. Experience in software engineering,...Senior$100k - $200k
...by a team of seasoned leaders, engineers, AI scientists, and clinicians... ...: We are looking for a Senior Software Engineer to join our growing team focused on our backend infrastructure and ML platform... ...help accelerate its impact and growth, we encourage you to apply for...SeniorFlexible hours$150k - $215k
...daily lives. WHOOP is hiring a Senior Software Engineer to join the Business Systems team. In... ...role, you will design and implement the backend systems that power WHOOP’s internal operations... ...to a culture of learning and growth. ~ Strong commitment to embracing and...SeniorFull timeWork at officeRelocation$150k - $215k
...fitness, health, and recovery. The Growth Team at WHOOP is a fast-paced, experimentation... ..., engagement, and retention. As a Senior Software Engineer on the Growth team, you will own and... .../Next.js and integrate deeply with backend services, payment systems (Stripe), and...SeniorFull timeWork at officeRelocation$132.2k - $187.55k
Dormont Manufacturing Co is seeking a Senior Software Engineer to join our Boston-based engineering team. This role requires strong technical skills and offers the opportunity to work in a collaborative hybrid environment with a minimum of four days a week in the office...SeniorWork at office- ...is to foster extraordinary growth within our teammates. We believe... ...’re seeking an exceptional Backend Engineer to join and help build the... ..., working closely with senior engineers to deliver production... ...established per Pave Compensation Software. We’re also proud to offer...SeniorFull timeTemporary workLocal areaFlexible hours
$148k - $222k
...up their Klaviyo account and gaining value from the platform. Engineers use data to discover opportunities, implement A/B tests, and work... ...for new customers. We are looking for great generalist software engineers with a passion for the experience layer and an interest...Senior3 days per week$148k - $222k
...up their Klaviyo account and gaining value from the platform. Engineers on the team use data to discover opportunities for improvement... ...friction for new customers. We are looking for great generalist software engineers with a passion for the experience-layer that have an...Senior3 days per week- A leading professional services firm is seeking a Senior Applications Specialist in Boston, MA. This hybrid role offers ownership of the... .... A competitive salary and excellent benefits are offered, with growth opportunities towards Director-level positions. #J-18808-Ljbffr...Senior
- ...At South Geeks, we connect top LATAM engineering talent with innovative companies building... ...About the role We’re looking for a Senior Backend Engineer (PHP) to help maintain and evolve... ...We strive to create an inspiring and growth-oriented environment where everyone...SeniorRemote workWork from homeWorldwide
- Ernst & Young Oman is seeking an AI ML Engineering Director to help design and scale innovative AI solutions that drive strategic growth initiatives. You will collaborate closely with Business Leaders and Data Scientists, playing a critical role in maintaining advanced...Senior
$125k - $175k
...understanding of their bodies and daily lives. WHOOP is hiring a Software Engineer II (Backend, Health Records) to help build the systems that enable... ...to own part of WHOOP and share in the company’s long‑term growth and success. The U.S. base salary range for this full‑...Full timeWork at officeRelocation$105k - $125k
...evaluations, and intelligence collection enable engineering, safety, and security teams to stay... ...implement highly reliable, distributed backend services and APIs that are secure,... ...reliability, and resource efficiency to support growth; Deploy and manage services on Google...Remote work$126k - $196k
...workflows, with guidance from senior engineers and the EM on scope and... ...Are 4+ years of professional software engineering experience, including... ...systems. Experience with backend services, data pipelines, or... ...programs and professional growth opportunities Wellness and...For contractorsHome officeFlexible hours$105k - $145k
...improve fitness, health, and recovery. As a Software Engineer I, you will contribute to the design,... ...insights to our members. This is a growth-oriented role ideal for engineers who are... ...to the development and maintenance of backend services and APIs that power WHOOP’s...Full timeInternshipWork at officeImmediate startRelocation$125k - $175k
...insights into users' fitness, health, and recovery. As a Backend Software Engineer II, you will build on WHOOP’s generative AI capabilities to... ...to own part of WHOOP and share in the company’s long-term growth and success. The U.S. base salary range for this full...Full timeWork at officeRelocation$126k - $196k
...intersection of machine learning, data engineering, and distributed systems,... ...production. Role Overview We’re seeking a Software Engineer II with strong backend development experience and a... ...development programs and professional growth opportunities Wellness and home office...WorldwideHome officeFlexible hours- ...across Wayfair; our Storefront Engineering teams ensure that we’re... ...measurable ways. The Storefront Backend Platform team is responsible... ...scale, in a fast-paced, high growth and agile environment, this is... ...Hands‑on experience delivering software within high‑growth...Temporary workLive inFlexible hours
- Insider, Inc. is looking for an experienced Senior Engineer to join the Platform team in Boston. You will play a key role... ...ideal candidate has over 5 years of experience in software engineering, particularly in backend systems, and expertise with tools such as AWS, Node....Senior
- ...measurable ways. The Storefront Backend Platform team is responsible... ...scale, in a fast‑paced, high‑growth and agile environment, this... ...3+ years of experience in engineering, with a preference for candidates... ...‑on experience delivering software within high‑growth environments...Temporary workLive inFlexible hours
- SecurityScorecard Inc. is seeking an experienced Senior Engineer to join our Platform team in Boston, MA. The role involves... ...ideal candidate has over 5 years of experience in software engineering with a focus on backend systems, infrastructure, and distributed systems....SeniorRemote jobFull time
- ...receiving, and responding to alerts. Our users—software developers—need to troubleshoot issues... ...issues. We are seeking experienced engineers who can craft intuitive, fast, and... ...fosters accelerated learning, continuous growth, and career development. Think beyond implementation...SeniorFlexible hours
- ...grid. Our Emerald Conductor software platform makes data centers... ...dynamically. This unlocks massive AI growth without major new... ...hiring a Distributed Systems / Backend Engineer to serve as a key... ...into shipped solutions For senior candidates, you’ll have immediate...Immediate startWork from homeFlexible hours1 day per week
- ...Architects, managers, bikeshedding of in-code abstractions, "backend" or "frontend" engineers, engs who need long ramp-up times, infra engineers, "AI"... ...on the ground floor of a Series A startup on an exciting growth curve. You feel that your personal technical delivery...SeniorFull timeCasual workWork at officeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer (Backend, Growth). Be the first to apply!
- ngo software engineer Boston, MA
- software developer Boston, MA
- software developer internship no experience Boston, MA
- software developer apprenticeship Boston, MA
- junior software developer Boston, MA
- part time software developer remote Boston, MA
- financial software developer Boston, MA
- senior software engineer ruby on rails Boston, MA
- software engineer amazon Boston, MA
- senior software design engineer Boston, MA


