Backend Engineer II - Growth & Data-Driven APIs
$125k - $170kWhoop, Inc
A health technology company in Boston seeks a Software Engineer II to develop scalable backend solutions that enhance user acquisition and member growth. Responsibilities include building APIs, collaborating with cross-functional teams, and participating in architecture discussions. This full-time role offers a competitive salary range of $125,000 - $170,000 along with benefits and an equity package. Candidates are encouraged to apply regardless of their qualifications, as character and potential are highly valued. #J-18808-Ljbffr Whoop
- ...Software Engineer II (Backend, Growth) Boston, MA January 16, 2026 Deadline date... ..., maintain, and optimize APIs and infrastructure supporting... ...millions of users. Work with data scientists and analytics... ...). Experience with event-driven systems and asynchronous processing...Data
$125k - $175k
...recovery. The Growth Team at WHOOP is a... ..., experimentation-driven group focused on driving... .... We take a data-driven approach to... ...results. As an iOS Engineer II, you will play a... ..., product, and backend engineering. Develop... ...with RESTful APIs and networking best...DataFull timeWork at officeWorldwideRelocation$125k - $175k
...Software Engineer II (Backend, Healthcare) At WHOOP, we're on... ...members to our powerful data science algorithms... ...oriented programming, API design, and relational... ...problems guided by data-driven insights and a commitment... ...company's long-term growth and success. The U....DataFull timeWork at officeRelocation- S&P Global, Inc. is looking for a Backend Software Engineer II to join their Emergence team in Cambridge, Massachusetts. In this role, you will develop APIs and collaborate with cross-functional teams, transforming abstract business requirements into technical implementations...Suggested
$130k - $175k
An AI innovation company in Cambridge is looking for a Backend Software Engineer II to develop secure and reliable APIs. The ideal candidate will have at least two years of experience in SaaS application development and strong communication skills. You'll work closely...Suggested- ...Senior Software Engineer At WHOOP, we're on... ...and recovery. The Growth Team at WHOOP is a... ...paced, experimentation-driven group focused on... .... We take a data-driven approach to... ...key role in building backend services that directly... ...Maintain and optimize APIs and infrastructure...Data
$125k - $175k
...Software Engineer II (Backend, AI Experiences & AI Platform) WHOOP Boston... ...Product, Design, Analytics, and Data Science to gather technical... ...software systems and RESTful API design ~ Experience in... ...share in the company's long-term growth and success. The U.S. base salary...DataFull timeWork at officeImmediate startRelocation$125k - $175k
...Software Engineer II At WHOOP, we're on a mission to unlock... ...and implement the backend systems that power WHOOP... ...scalable backend services and APIs that power business-... ...of scalable data pipelines, automation,... ...paced environment ~ A growth mindset and eagerness to...DataFull timeWork at officeImmediate startRelocation- ...ecosystem. This service centralizes: Senior backend / full‑stack engineer (Java, Spring Boot) React (working... ...& messaging (Kafka / Azure Event Hubs) API design (REST and messaging contracts, schema & versioning) Relational data modeling (PostgreSQL) Cloud Native Services...DataWork at office
$175k - $240k
...Senior Fullstack Engineer LangChain is hiring a Senior... ...responsible for building growth systems from the ground up... ...metrics Participate in data-driven, rapid growth experiments... ...Comfortable working with REST APIs, Postgres, Redis, and modern backend infra Startup DNA with...DataWork at officeFlexible hours- A leading data streaming platform is seeking a Senior Software Engineer II to lead the design and delivery of critical backend systems in their Stream Governance products. The ideal candidate has extensive experience with backend programming and distributed systems, will...DataRemote work
$186.07k - $218.9k
...Coinbase is seeking experienced backend engineers to join our team to build out... ...services, trading, and growth initiatives. The Growth org... ...attributes as our DNA: Impact-Driven Motivated by having impact... ..., backend systems, ML, data and more. Not everyone needs...DataLocal area$112k - $141k
...Software Development Engineer II, Consumer At CarGurus... ...acceleration has driven industry-leading growth. In fact, we're the largest... ...We are hiring for a backend engineer in our... ...identify, and implement API performance... ...Solid experience in the data layer including SQL,...DataFlexible hours$112k - $141k
...Software Engineer II, Developer Experience At CarGurus,... ...market acceleration has driven industry-leading growth. In fact, we're the largest... ...the full stack, from backend services and APIs to cloud-native integrations... ...design, algorithms, and data structures. ~...DataFlexible hours- ...Senior Backend Software Engineer We are looking for a talented Senior Backend... ...to undergoing our hyper-growth phase, and we're looking... ...systems composed of SQL data models, REST APIs, and cryptographic... ...development implementing event-driven, distributed services ~...DataWork experience placementCasual workWork at officeWork from homeFlexible hours
$115k - $125k
...devices, cloud services, APIs, and event-driven workflows into a... ...are hiring a Software Engineer II to contribute to the... ...design and development of backend services, APIs, and... ...to event-driven data pipelines (e.g. Kafka... .... Collaboration & Growth Work closely...DataFixed term contractCasual workWork at officeImmediate startWorldwide$90k - $125k
A cleantech startup is seeking a Backend Engineer to develop robust backend systems and APIs for real‑time industrial data insights. The ideal candidate will have strong Python or PHP skills, proficiency in SQL, and experience with AWS or Azure. Responsibilities include...DataFull time- ...lives. Protecting our members’ data and ensuring our systems... ...WHOOP is hiring a Software Engineer II focused on backend development to build and... ...engagement. Build and maintain APIs to enable seamless... ...microservices. ~ Exposure to event-driven architecture (messaging/...DataWork at officeWorldwideRelocation
$116k - $174k
Software Engineer II - Flows and Insight Management... ...and drive company growth. In this role, you... .... We also manage APIs that integrate... ...and Django on the backend, and React and TypeScript... ...queues and event-driven architecture (... ...marketing, customer data software, or...Data- ...Senior Backend Software Engineer - Rust & Serverless (Remote) Remote SURT AI Join the Future... ...everything from DynamoDB schemas to API Gateways and event-driven pipelines. Optimize & Profile: This... ...Terraform) is highly recommended. Data & Observability: You’ve managed...DataRemote work
$125k - $215k
...Software Engineer II (Backend, Enterprise) At WHOOP, our mission is to unlock human performance... ...Enterprise is entering a new phase of growth and reinvestment. We're looking for a Software... ...Enterprise, starting with Enterprise APIs, authentication, and account management...Full timeWork at officeRelocation- ...Machine Learning Scientist II We are looking for a... ...Source) to build AI-driven classifiers, product... ...models, and the large scale data orchestration.... ...functional teams across engineering, scientists, and product... ...Services Financial Growth & Security: 401K Matching...DataFull timeTemporary workWork at officeRemote workMonday to Friday
- ...Looking For We're looking for a Backend Engineer to help build and scale Remark'... ...services, infrastructure, and data pipelines that power Remark's e-commerce and AI-driven experiences. This is a high-... ...from scalability challenges to API design to data processing,...DataWork at officeWork from homeFlexible hours2 days per week3 days per week
- ...detects hidden signals in clinical data and extracts actionable... ...are looking for a talented and driven backend developer to join our R&D... ...in designing and developing APIs At least 3 years of hands‑on... ...for personal and professional growth #J-18808-Ljbffr phasevtrials...Data
$125k - $175k
...Android Engineer II (Client Platform) At WHOOP, we're... ...Protecting our members' data and ensuring our systems... ...workflows Collaborate with backend and platform teams to... ...integrating REST APIs and backend services... ...the company's long-term growth and success. The U.S...DataFull timeWork at officeRelocationFlexible hours- phasevtrials.com in Boston is seeking a talented backend developer to join their R&D team. This... ...have extensive experience in Python, API development, and cloud services like AWS.... ...environment and opportunities for professional growth. #J-18808-Ljbffr phasevtrials.com
$152k - $209k
...(D2C) brands with AI-driven tools that simplify, accelerate... ...unit—fast-moving, data-driven, and... ...ROLE As a Principal Backend Engineer, you’ll be a technical... ...systems that support rapid growth. You’ll mentor engineers... ...scalable services, APIs, and platform infrastructure...Data$150k - $215k
...Senior Software Engineer (Frontend, Growth) At WHOOP, we're on a... ...complex physiological data into clear, personalized... ..., experimentation-driven group focused on driving... ...deeply with backend services, payment systems... ...preferred), RESTful APIs, and third-party platforms...DataFull timeWork at officeRelocation- ...Description Full-Stack Engineer | AI/ML Start-up |... ...live user behavior data to optimize digital... ...for significant growth. Why This Role... ...Build and maintain APIs and data pipelines... ...applications ~ Strong backend or full-stack... ...Exposure to LLM-driven systems (prompt management...DataRemote work
- ...the job Principal Software Engineer, Backend This role requires... ...through modern software and data-driven insights. Our engineering... ...systems that can support rapid growth while maintaining high... ...scalable backend services and APIs that power core healthcare applications...Data
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