Senior Full-Stack Engineer

· Remote

Location

Remote

Type

Full Time

Job Description

Senior Full-Stack Engineer

Reposted 2 Hours Ago
Hiring Remotely in New York NY USA
Remote or Hybrid
150K-230K Annually
Senior level
Agency • Information Technology • Internet of Things • Design • App development
The Role
The Senior Full-Stack Engineer will build and maintain scalable backend services and frontend applications while collaborating with teams to deliver high-quality solutions in AI-driven health and wellness.
Summary Generated by Built In

We are recruiting a Sr. Full-Stack Engineer for a client in the AI / health & wellness space

Click **[here](https://garden3d.notion.site/1f1131fea2c78095922ec7e09bd96101)** to directly apply!
Original job post link:
**[Senior Full-Stack Engineer](https://www.notion.so/garden3d/Senior-Full-Stack-Engineer-2e1131fea2c7800a903dfb35df6d7416?source=copy_link)**

🌎 About garden3d

We are worker owned creative collective innovating on everything from brands and IRL communities to IoT devices and cross platform apps. We share profit open source everything spin out new businesses and invest in exciting ideas through financial and/or in-kind contributions.

Our client roster includes Google Stripe Figma Hinge Black Socialists in America ACLU Pratt Parsons Mozilla The Nobel Prize MIT Gnosis Etsy & Gagosian. We’re the software team behind innovative products like The Light Phone & Mill and a global decentralized community space collective called Index Space.

We think of our garden3d as collective for creative people prioritizing a happy talented and diverse studio culture. We work on projects that bring value to our world and we balance deep care for the work we do with a genuine curiosity about life outside of our jobs.

💼 About the client

Our client is an early-stage AI startup based in NYC (but open to remote team members). The founders have experience building and scaling successful ventures including a 9-figure exit.

🔮 Who we’re looking for:

We’re looking for a Senior Full-Stack Engineer who can confidently own features and systems end to end make thoughtful technical decisions and collaborate closely with both internal teams and clients to build scalable high-quality solutions in the AI-driven health and wellness space.

There are opportunities across multiple seniority bands and experience ranges are heuristic not rigid. We care more about depth judgment and real-world problem solving than box-ticking.

1. Master Engineer

  • 12–20+ years of experience across multiple stacks
  • Has mentored junior engineers led teams and worked independently
  • Significant experience in Series A or earlier-stage companies
  • Demonstrates strong architectural judgment and systems-level thinking
  • Candidates whose experience is exclusively from Big tech companies may be less aligned unless it was some time ago.

2. Journeyman Engineer

  • 8–12 years of experience
  • Primary experience in backend or full-stack development though frontend engineer are considered if they’ve worked end-to-end across the stack.
  • Experience working in early-stage environments and wearing multiple hats
  • Solid understanding of database design and normalization
  • DevOps experience is a strong plus

3. Apprentice Engineer

  • 5–8 years of experience
  • Strong portfolio of hobby projects experiments or open-source work
  • Able to go deep on code you’ve written and clearly explain trade-offs and decisions
  • GitHub visibility is optional but you must be willing to walk through real code

In this role you’ll work across a variety of initiatives to deliver pragmatic high-quality and cost-effective full-stack solutions to complex product and engineering problems. Responsibilities will include:

  • Designing building and maintaining scalable backend services and APIs
  • Developing and iterating on frontend applications with a strong focus on usability performance and maintainability
  • Working across the stack to integrate frontend backend and data layers into cohesive systems
  • Debugging and resolving issues across the application stack from database to UI
  • Designing and evolving data models ensuring correctness performance and long-term maintainability
  • Reviewing code and providing constructive feedback to ensure high engineering standards and best practices
  • Collaborating closely with designers product partners and other engineers to shape technical direction
  • Contributing to project success by monitoring scope timelines and delivery trade-offs
  • Communicating directly with clients to clarify requirements and help align scope with budget and timelines when needed

🧗 Who you are

The person we’re looking for is happy relaxed and easy to get along with. They’re flexible on anything except conceits that will lower their usually outstanding work quality. They work “smart” by carefully managing their workflow and staggering features that have dependencies intelligently — they prefer deep work but are OK coming up to the surface now and then for top level / strategic conversations.

We believe people with backgrounds or interests in design art music food or fashion tend to have a well rounded sense of design & quality — so a variety of hobbies or side projects is a big nice to have!

🔑 Must Have Competencies:

  • Ability to own features and systems end to end from design through implementation and maintenance
  • Strong full-stack engineering skills with experience designing and building both backend services/APIs and frontend applications
  • Demonstrated ability to make thoughtful technical decisions balancing quality performance scope and delivery trade-offs
  • Hands-on experience integrating LLMs into your current workflow with clear well-reasoned opinions on what works what doesn’t and why
  • Ability to articulate trade-offs and lessons learned when building or operating LLM-powered systems
  • Experience working on real production or client-facing projects not just isolated components
  • Has written code they are proud of and eager to discuss and is comfortable walking through implementation details constraints and design decisions
  • Strong collaboration skills including working closely with internal teams and communicating clearly with clients when needed

💪 Nice to Have Competencies:

We’re always pitching for new and exciting technology niches. Some of the areas below are relevant to us!

  • Intuitive understanding of types functional paradigms and correctness-oriented design and how these influence better system architecture
  • Product management experience: defining product roadmaps and collaborating closely with stakeholders
  • Engineering management experience: leading teams setting technical direction and mentoring developers

💸 Compensation

The pay scale ranges from $100 p/hr to $230 p/hr based on experience.

In addition to cash compensation equity may be offered for candidates with the right level of experience commitment and long-term alignment.

Pay Bands

  • Junior (Apprentice): $150k–$180k/year (~$100–$130/hr contract)
  • Mid-level (Journeyman): $180k–$220k/year (~$130–$180/hr contract)
  • Senior (Master): $220k–$275k/year (~$180–$230/hr contract)

🎤 How we interview:

Our interview process starts with a call where you get to meet a few members of our team. From there we’ll ask appropriate candidates to take part in a technical exercise which helps illustrate skill level and comfort.
 

Quick tip! Adding a **Loom recording** to your profile in our form to showcase your skillset can really make your application stand out!

Please click the important link below or copy the URL to continue your application. We’d love to learn more about your skill sets and your interest in this role.

**[garden3d Creative Form](https://garden3d.notion.site/1f1131fea2c78095922ec7e09bd96101)

Top Skills

APIs
Backend Services
Frontend Applications
Llms
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The Company
HQ: New York City NY
45 Employees
Year Founded: 2015

What We Do

We’re a small team of design-oriented software developers with a strong understanding of user experience and product. We work in design branding and engineering roles with clients like Nike General Electric The Nobel Prize Herman Miller Adobe Dig Inn and many others. That same thoughtfulness is applied inward too. We understand that technologists & engineers have a strong sense of art and integrity and are happier being a part of a team that promotes those values. We partner with our design team (XXIX) to build compelling digital products for industry leaders early-to-mid stage startups hardware companies healthcare services restaurant groups and lifestyle brands.

Why Work With Us

At Sanctuary Computer — we’re building a different type of technology shop. Based in NYC’s Chinatown (and remote) the way we approach building things is more like a restaurant than a traditional agency with an emphasis in providing our clients with an outspoken sense of comfort and hospitality.

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Date Posted

03/30/2026

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