Senior Full Stack Engineer
Zealthy
Full Stack DeveloperAt Zealthy, our mission is to make high-quality healthcare accessible to everyone, no matter their location. We are building the world's largest and most trusted virtual healthcare platform, transforming how care is delivered to ensure anyone, anywhere, can receive the healthcare they need.Founded by a healthcare entrepreneur with a proven track record, including scaling a previous company to a $5B valuation, Zealthy is positioned for sustainable growth as we rapidly scale to achieve our ambitious vision. Our unwavering commitment to quality and accessibility drives everything we do.We are a team dedicated to serving our patients. While our in-person work culture runs Monday to Friday and typically extends beyond typical work hours, the true reward lies in the impact we create. Every team member is essential in building something groundbreaking. As a full-time team member, you won't just shape the future of healthcare—you'll also share in our success through equity ownership, because we believe that every contributor should be a literal and figurative owner of what we're creating.If you are not prepared to fully commit to your role and contribute to the goal of creating the world's largest and highest quality telemedicine company by working in-person four days a week, please refrain from applying.Join us and help redefine the future of healthcare.We are actively looking for a full-time Full Stack Developer. This is a full-time, in-person role based in New York, NY. If you are interested in remote or hybrid opportunities, this position may not be suitable for you.What You'll Do:You will start as a Full Stack Software Engineer for Zealthy, joining a team of 5 full-time engineers who are currently working at Zealthy and you will also collaborate closely with the Founder / CEO (who oversees product). You will move quickly to iterate on the existing, early product build to make sure the product is ready to scale to users to transform access to high-quality healthcare.You will work in person and participate in daily standup meetings, weekly sprint meetings (or a more fluid Kanban process), and hold yourself accountable to an aggressive product development roadmap.We are an early-stage startup and oftentimes that comes with wearing many hats, which means working across front-end and back-end as well as potentially participating in or leading system architecture or DevOps decision-making.As the organization scales, you will have the opportunity to scale into a leadership role if your performance is strong and you wish to become a leader. This will not need to be decided on Day 1, and will be an evolving conversation between you and the existing leader(s) on the team.
- ...Collaborate with Product, Data, Platform, and AI teams to deliver secure and scalable solutions.Responsibilities5+ years of software engineering experience Strong C# / .NET and Azure expertise Experience building production APIs and backend services Hands-on experience with...Senior
$175k - $225k
...Founding Senior Full-Stack Engineer (AI & Growth Infrastructure) Location: New York City (Hybrid, 4 Days Onsite) Compensation: $175,000-$225,000 + Meaningful Equity (1%+) Experience: 5-8 Years Employment Type: Full-Time About the Opportunity We're...SeniorFull timeImmediate start$190k - $250k
...Senior / Staff Full Stack Engineer – Applied AI New York City $190,000–$250,000 + Equity | Hybrid working Neulinx have partnered with a high-growth, Series D-backed TravelTech company that's transforming the $100bn+ travel industry through technology and AI...SeniorFull timeWork at office- Bachelor’s degree or foreign equivalent in Computer Science, Mechanical Engineering, or related field and 10 years of progressive post-baccalaureate experience in the job offered or related occupation.5+ years of hands-on experience with NoSQL database management systems...Senior
$161k - $210k
Senior Software Engineer Dealpath is the AI-powered operating system for institutional real estate investing — purpose-built to help the world's leading firms capture more opportunities, make faster decisions, and execute with precision. As a Senior Software Engineer here...SeniorCasual workImmediate start$180k - $230k
...Kiddom helps schools and districts deliver more equitable, effective, and adaptive learning experiences.We're looking for a Senior Full Stack Engineer to join our AI Experience Pod, the team behind Kiddom's flagship AI-powered experience for teachers and students. You'll...SeniorPermanent employmentLocal areaFlexible hours$180k - $225k
...Our client, a growing HealthTech company, are hiring a Senior Full Stack Engineer to join their team In New York City. The successful candidate will develop the product experiences and shared infrastructure that power the platform, while also taking features from initial...Senior- ...platform and developer tooling ecosystem. Our platform enables engineers to validate, review, govern, and automate API quality using AI-... ...maintainability across the tooling ecosystem Requirements Core Tech Stack: Strong proficiency in Golang and TypeScript/Node.js CLI...Senior
$175k - $225k
...Senior Full Stack Engineer About Fonzi AI We're a well-funded, fast-growing startup revolutionizing hiring through AI. Recently launched, we've already attracted thousands of top engineers to our platform. Our vision is to build an AI-powered recruiting marketplace...SeniorWork at officeImmediate startFlexible hours3 days per week- ...Alldus International Consulting Ltd. is seeking a Senior Full Stack Engineer in New York City to develop product experiences and shared infrastructure, taking features from specification through production and helping shape the technical direction of a rapidly scaling...Senior
$200k - $275k
...We’re continuing to build out our NYC engineering team and are looking for exceptional builders... ...AI with meaningful ownership across the stack. Responsibilities | What you will own.... ...product‑minded engineer who combines strong full‑stack fundamentals with experience...SeniorFlexible hours- ...CLEAR is building the secure identity platform of the future. As a Senior Software Engineer on the CLEAR1 team in New York, you will design and deliver secure, scalable fullstack solutions in Python, React, TypeScript, and AWS to integrate with national health information...Senior
- ...Ersilia, a fast-growing AI healthcare startup in New York City, seeks a Senior Full Stack Engineer with 3+ years of experience to own greenfield projects across the entire stack. You will build greenfield products that automate healthcare recruiting and scale from thousands...Senior
- ...A technology company in New York is seeking a Senior Software Engineer (Full Stack) to build core systems for payroll and compliance. You'll own major projects from design to release in a fast-paced environment. The ideal candidate has over 5 years of experience, strong...Senior
- ...Robinhood is expanding globally from New York, Toronto, and Menlo Park. As a Senior Full Stack Software Engineer, you bridge high‑performance frontend interfaces with resilient backend systems, delivering localized customer experiences—from multi-currency funding to regional...Senior
- ...Blue Shield of CA is seeking a Full Stack Engineer in a healthcare setting to architect seamless, mission-critical applications for clinicians and patients. You’ll own UI, logic, and data end-to-end, delivering polished interfaces and high-performance backends while collaborating...SeniorWork at office
$185k - $215k
...reduce liability, surface revenue, and prevent small problems from becoming emergencies. The Role We're looking for a Senior Full-Stack Engineer with 5+ years of product engineering experience to join our Core Platform team. You'll implement features that help build...SeniorPermanent employmentVisa sponsorshipDay shift- ...Propel, Inc. is hiring a Senior Fullstack Engineer to build consumer-scale products with real ownership. You will work across mobile apps, backend systems, internal tools, and new product lines, identifying problems, shaping solutions, and shipping iteratively in a policy...SeniorRemote work
- ...Coral Care, Inc. is seeking a Full-Stack Software Engineer to join our engineering team and help build the technical foundation for Coral Care's next phase of growth. You'll work across the entire stack, from React frontend to Node.js services, and contribute to AI...Senior
- ...Storm3 is seeking a senior full-stack engineer to own features across a Rails backend and React frontend within a modern financial planning platform. You will design data models, collaborate with advisors, and implement scalable workflows while prioritizing security and...Senior
$120k - $200k
Job-ID: 75404Category: Full-Stack DevelopmentLocation: New York, NY, United StatesSchedule: Full time, DayPosted: 2026-06-30Base... ....We’re seeking a future team member for the role of Senior Full-Stack Engineer to join our middle office platform team. This role is located...SeniorFull timeTemporary workWork experience placementWork at officeWorldwide- A leading tech company in the UK is seeking a developer to build the programmable infrastructure for global commerce. The role involves maintaining microservices, developing web applications, and optimizing cloud infrastructure. Ideal candidates should have extensive experience...SeniorRemote workFlexible hours
- Join a forward-thinking company as a Senior Manager in Software Engineering, where you'll lead innovative technology projects and mentor a talented team. This role offers the chance to work on cloud-based solutions that empower millions of customers. With a focus on collaboration...Senior
- ...Algoriz, headquartered in New York City, is seeking a hands-on Full-stack engineer to join our growing team. As an early stage employee you will work directly with the founders and have a strong voice in product and technology decisions. You will contribute across the...Senior
- ...Upstart is seeking a Senior Software Engineer for the Unsecured Installments team, leading frontend and full-stack initiatives with React and TypeScript. You’ll own architecture decisions, plan multi-month roadmaps, and deliver high-quality, scalable borrower experiences...SeniorRemote work
- ...Next.js frontend to Python backend. Work directly with the CTO to scale for millions of users. Requirements ~5+ years full-stack engineering ~ Expert in React, Next.js, TypeScript ~ Strong backend skills (Python, Node.js, PostgreSQL) ~ Experience with high-...Senior
- ...Aplazo is hiring a Senior or Lead Full Stack Engineer to build end-to-end features for a BNPL fintech platform serving millions across Latin America. You will own backend services and mobile apps, design APIs, and contribute to architecture decisions while maintaining...SeniorRemote work
- ...streamlined systems. Working across the stack with TypeScript, Node.js, and React, you'... ...production environment. Proficiency across the full stack, specifically with Node.js and React, and a pragmatic approach to balancing engineering and business needs. A proactive self‑...SeniorRemote workFlexible hours
- ...web. We organize Demuxed, the premier conference for video engineers in the world. We’re backed by top investors like Coatue,... ...together. We’d love to hear from you! About the Role As a Senior Full Stack Engineer at Mux, you will build and manage scalable and...SeniorTemporary workWork at officeFlexible hours
- Position Summary We are currently seeking a Senior Full-Stack Engineer to play a key role in shaping the future of our technology stack to drive the design and delivery of AI-powered applications across the firm. This is a hands-on, high-impact role that blends full-stack...Senior
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