Senior Full Stack Developer - Shopify of AI for eCommerce ($6.5MM Seed Funding / $7MM ARR in 5 Years)
Three Pillars Recruiting
PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS! Senior Full Stack DeveloperThe Role:As a Senior Full Stack Developerm you’ll work across the stack—from design to deployment—to deliver cutting-edge features that delight customers and scale reliably. You’ll collaborate with product, AI, sales, and customer teams, while shaping the architecture and guiding engineering best practices. This is a hands-on technical leadership role: you’ll not only code but also mentor, set standards, and make decisions that impact long-term product vision.ResponsibilitiesEnd-to-End Development: Lead the design, implementation, testing, and deployment of new features.Feature Leadership: Own development of high-impact product initiatives, from requirements through delivery.Architecture & Scalability: Contribute to system architecture and ensure performance in an AI-augmented environment.Cross-Team Collaboration: Partner with product, AI ops, and customer-facing teams to deliver seamless experiences.Code Quality & Mentorship: Conduct code reviews, guide junior developers, and uphold engineering excellence.Operational Best Practices: Support CI/CD processes, system monitoring, and documentation as the platform evolves.Knowledge Sharing: Create and maintain internal knowledge bases, including best practices and troubleshooting guides.Requirements7+ years of software development experience.Proven ability to lead complex features from design to productionStrong expertise with React, Node.js, JavaScript, HTML, and CSSExperience mentoring developers and driving code quality.Excellent communication and collaboration skills.Must-Know Tools & TechnologiesFrontend: React, Styled Components, JavaScript, HTML, CSS.Backend: Node.js, REST APIs, GraphQL.Cloud: AWS (Lambda, DynamoDB, Serverless framework) – other cloud platforms a plus.CI/CD & Version Control: Git, automated testing, and deployment pipelines.Monitoring & Performance: Familiarity with tools like Prometheus, Grafana, or equivalentBonus: Experience working with AI-integrated systems.Job-3534497*LI-AL1#LI-Onsite
- ...technology products.As a Full Stack Senior Lead Software Engineer- Hedge Fund Technology at... ...governance of approved AI-assisted engineering practices... ...engineering concepts and 5+ years applied experienceHands-... ...data-centric approach in developing innovative technology solutions...SeniorFor contractorsWork at office
- Title: Senior Full-Stack Java Developer-15 years Location: New York, New York (4 days hybrid) Duration: 12 months CTH... ...backend development Experience using AI coding tools Preferred: OMS/Equities/... ...and latency Looking to consolidate 5 OMSs into Flextrade Strong back end...SeniorWork experience placementWork at office
$250k - $350k
...Hopper's agentic AI assistant for... ...looking for a senior full stack engineer to anchor... ...has6+ years of software engineering... ...with usWell-funded and proven startup... .... We have developed several unique... ...leading travel ecommerce provider in a $... ...Stack Engineer (L4/5)The yearly total...SeniorWork experience placementLocal areaRemote workWork from homeRelocation package$200k - $230k
...client, a rapidly growing AI startup based in New... ...City, is seeking a Senior Full Stack Engineer to help... ...customers. The company develops AI solutions that... ...significant impact at a well-funded, seed-stage startup. Key... ...Requirements ~5+ years of professional full-...SeniorFull timeH1bWork at officeVisa sponsorship$500 per month
Are you a talented Senior Developer looking for a remote... ...seeking a Senior Full‑Stack Developer for our client... ...support leading AI labs. Joining this... ...week - very likely a 6‑day work week due... ...to extend to 1‑year engagement. (GMT -... ...interfaces. Requirements 5+ years of...SeniorFull timeRemote workWeekend work- ...largest hedge funds to seed-stage... ...figures in ARR and are growing... ...across the stack, we would love... ...before the AI revolution.... ...background! 5+ YOE shipping... ...ask you to: Develop autonomous agents... ...are full of dinosaurs... ...they did 5 years ago and we're... ...enterprises including 6 of the 10...SeniorWork at officeWork from home
$130k - $150k
...Senior Full-Stack EngineerFull-time | On-site | New York City Compensation: $130K – $150K + ~0.5% equityAbout The RoleThe company is seeking a senior... ...$1M in fundingIndustry: AI, software developmentFocus... ...success)Early traction: $700K+ ARR in first 6 monthsCustomers: includes...SeniorFull timeVisa sponsorship$124k - $177k
...cutting-edge technologies like Generative AI to increase productivity, streamline... ...Analytics team at New York Life as a Senior Full-Stack Developer and help us create powerful,... ...(or equivalent practical experience)• 5+ years of experience as a full-stack developer...SeniorLocal area3 days per week- ...Technology team supports the Funds, Intermediary and... ...We’re looking for a Senior Technologist with Full Stack .Net/C# skills to... ..., resiliency, and developer productivity. Mentor... ...Qualifications: 10+ years of professional... ...environment. Experience using AI-assisted development...Senior
$100k - $143k
...making a positive impact.Role OverviewAs a Full Stack Developer on the Client Central team, you will... ...production systems.What You'll Bring:5+ years of experience in full stack or backend... ...evolve into a more technology-, data-, and AI-enabled organization, we remain...SeniorLocal area3 days per week- ...strong (and enjoyable!) developer experience.... ...ship, ship. ~7+ years of engineering experience... .... Experience at seed/early-stage... ...Experience with AI prompting, models,... ...team. Our tech stack: React, Node, Fastify... ...managers. We're a well-funded company backed by top...SeniorWork at officeLocal area
- ...testing, and go-live support. Develop and maintain system documentation... ...or equivalent experience. 2–4 years of experience supporting Epic Professional... ...through code improvements. 5. To communicate effectively... ..., engineering, cloud and AI, powered by a broad portfolio of...Senior
$185k - $215k
...The Role As a Senior Fullstack Engineer at... ...You'll work across the full stack on features that matter... ...genuine enthusiasm for using AI tools as part of how... ...Required Qualifications ~6+ years of professional... ...in the company you get 5 extra vacation days, and...SeniorWork at officeWork from homeHome office- ...Senior Full Stack EngineerNew York, NY or RemoteAbout UsHealth... ...health clinic. We're an AI-native digital health system... ...0 states. Founded four years ago, we've completed... ...C, bringing total funding to $215M. The round was... ...Engineering, or related field.5+ years as a Software...SeniorFull timeWork at officeRemote work
$200k - $250k
...Senior/Staff Backend Engineer (Platform & AI Systems) Location: San Francisco,... ...) Company Stage of Funding: Early Growth Stage... ...~$2M raised, ~$10M ARR, high-growth trajectory... ...to AWS) Develop LLM-powered features... ...Candidate Background ~5+ years of backend...SeniorH1bWork at officeVisa sponsorship3 days per week$200k - $250k
...Senior / Staff Full Stack Engineer Our client is an early-stage,... ...in revenue on minimal funding and is scaling rapidly... ...ops, automation, and AI—bringing much-needed... ...-driven pipelines Develop and ship high-quality... ...Candidate Background ~5–9 years of experience as a...SeniorH1bVisa sponsorship$200k
...markets, leveraging AI-powered software to... ...real estate, and hedge funds. We have completed a seed round led by... ...Role As our first Senior Full-Stack Engineer, you'll play... ...server-side logic Develop and refine GraphQL APIs... ...~7+ years of experience as a full...SeniorWork at office3 days per week- ...Role: Senior Full Stack Developer with AI development tools (Claude Code, Cursor or similar) Location: NYC... ...Contract Experience Required: 12+ years Must Have: Hands-on... ...financial services, private equity, or fund administration Familiarity with...SeniorContract workWork at office3 days per week
- ...means we control the full stack: product design,... ...for a driven Senior Full Stack Software... ...influence on future developers, the codebase, and... ...experience: ~5+ years in a full-stack... ...rapidly advancing AI tools ~ Strong collaboration... ...: We're well-funded, growing fast, and...SeniorFull timeWork at officeFlexible hours
$166.5k - $215k
...re the leading AI company revolutionizing... ...our total funding to $70M from... ...challenges. After years of building the... ...point. Our full-stack engineers work... ...: as you develop and deploy new... ...ll meet with a senior engineer on our... ...a hypothetical eCommerce application using...SeniorWork at officeRemote workFlexible hours$135k - $150k
...key member of the team, the Senior Full Stack Developer will be responsible for the entire... ...or a related field. 8-10 years of experience in full‑stack... ...Confluence). Experience with AI Prompt Templates, Prompt engineering... ...business hours of 9:00 AM - 5:00 PM EST. Ability to...SeniorPermanent employmentWork experience placementH1bWork at officeLocal areaVisa sponsorshipWork visa$200k - $300k
...York, NY (Onsite 5 Days per Week... ...exceptional senior candidates $... ...$300,000 per year + Competitive... ...rapidly growing AI startup... ...significant recent funding, the company is... ...backend systems and full-stack applications.... .... Develop scalable APIs,... ...GraphQL ~6+ years of professional...SeniorFull timeH1bRemote work$143k - $162k
...range of creators to imagine and develop culturally significant... ...DESCRIPTION FOX is seeking a Senior Full Stack Developer to help advance how... ...integrations while leveraging AI-native development workflows... ...initiatives WHAT YOU WILL NEED 5+ years of professional software development...SeniorLocal area3 days per week$170k - $200k
...clinical team. Think Shopify for wellness businesses... ...longevity movement in full swing, and AI unlocking what wasn't possible a year ago. We're still early... ...We're hiring a senior full-stack engineer to build Altro... ...team-caliber seat at a seed-stage company with real...SeniorWork at officeRemote workShift work- ...accountability. Job Overview Bigge is hiring a full-time Senior Full Stack Developer (Backend) to support the ongoing... ...history, operational reporting, and AI-enabled backend features (e.g.,... .... Qualifications: Required 5 years of professional software development...SeniorFull timeRemote workFlexible hours
- ...Capnexus is looking for a highly skilled Senior AWS Full Stack Developer to design, develop, and deliver a cloud-native application for a 12-week AI-powered modernization engagement in... ...operations guides Qualifications ~5+ years of full stack software development...SeniorFull timeTemporary workFor subcontractorRemote work
$210k
...search for an experienced Senior Full Stack AI Engineer for our client, a... ...company match on the first 6% contributed RESPONSIBILITIES... ...React and TypeScript Develop scalable backend services and... ...QUALIFICATIONS ~5+ years of professional software engineering...SeniorFull timeTemporary workInterim roleRemote work$200k - $300k
...building the AI operating... ...3 to 5 days a week... ...government works year after year... ...deserve.” Senior Deployment... ...our full potential.... ...raised $35M in funding from... ...that takes 6 weeks to... ...advising developers. You’ll work... ...across the stack, building... ...quickly (4X ARR growth in...SeniorFull timeWork at officeLocal areaImmediate startRemote workWork from homeFlexible hours3 days per week$125k
...autonomy and close collaboration with a veteran senior attorney and a highly dedicated, long‑... ...Jersey employment business in the next 5 to 7 years as the founding partner transitions to... ...standing (Required). Experience: Minimum of 6 years of hands‑on civil litigation...Senior$70 - $80 per hour
.../hr - $80/hrOur client is an AI startup - their main goal is... ...supplychain. They are looking for a Senior Full Stack Engineer who is experienced... ...ReactJS/NodeJS/Python Help develop/design new features... ...level Requirements Minimum 5 years experience with ReactJS/NodeJS...SeniorFull timeTemporary workFlexible hours
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