Founding Tech Lead & Systems Architect
Cassidy
Cassidy is seeking a Full Stack Engineer to join their team in New York. In this role, you will own core systems from design to deployment, make critical product decisions, and ensure platform reliability and scalability. The ideal candidate has experience with TypeScript, Node, React, and PostgreSQL, as well as a strong product sense and the ability to lead architectural decisions. Cassidy offers a competitive salary and meaningful equity, and the position requires in-office presence 4-5 days a week. #J-18808-Ljbffr Cassidy
- Adaption is seeking a Founding Growth Lead based in New York City to drive user adoption and partnerships. You will be responsible for coordinating... ...The ideal candidate has 3-5 years of growth experience in a tech environment, is comfortable with technical discussions, and...SuggestedFlexible hours
$150k - $230k
...revenue growth in under a year, the company is now looking for a Founding Software Engineer to help scale the core platform powering its... ..., enjoy high levels of ownership, and want to build systems that directly impact customers, this role offers a rare opportunity...Suggested$160k - $225k
...and compliance leaders who keep financial systems running safely every day -- and who... ...Description We’re beginning to build out the founding team and are looking for a small number of... ...required to ship code. Why Join Compliance tech is next up. We believe compliance is...Suggested$130k - $150k
...brands stay visible and drive leads in AI-native search. We’re a seed... ...Software Engineer to join our founding product team. You’ll work... ...LLM analytics, and distributed systems. As an early engineer, you’ll... ...years of experience at a Big Tech company or Series B+ startup Strong...SuggestedRemote workShift work3 days per week$200k - $220k
...Recruitment Consultant at Harnham, New York City Founding Software Engineer AI/Technology New York... ...As a Founding Engineer, you'll help architect, build, and scale our AI-driven... ...into technical architectures and scalable systems. Build clean, maintainable, and efficient...SuggestedFull time$150k - $180k
...environmental stewardship, and regulatory compliance. About the role As a Founding Software Engineer at Flotive, you will work closely with the co... ...anyone else gets hired to weigh in on it. You will build a system that ingests regulatory documents at scale, extracts structured...Work at officeLocal areaRelocationRelocation package$150k - $200k
...The Role We're hiring our Founding Platform Engineer to own the foundation every agent and... ...lifecycle, and observability. The system every product team at Avallon builds on.... ...platform depth, not product breadth Not a tech lead who attends meetings: architectural decisions...Immediate startRelocation- ...workflows using AI and human‑in‑the‑loop systems. This is a rare opportunity to join at the ground floor, work directly with the founding team, and help build core products that solve... ...interested in candidates from leading engineering programs (MIT, Stanford, Carnegie...
$180k - $300k
...context management for AI-ready teams. A system that unifies definitions, processes, and... ...of enterprise infrastructure. Our founding team has built critical data systems at... ...culture around AI at Galaxy. You will… Architect and build agentic systems that reason over...Work at officeTrial periodFlexible hours- DEVELOPER L3 Technology GTM Systems Engineer, Salesforce About RampRamp is building the... ...Administrator Government the company was founded under the belief that a future where... ...Manager:in (m/w/d) Technology Solutions Architect (Pre-sales) - Kansai Region Req ID: FEQ2...Local area
- A tech startup in New York is seeking a Senior Founding AI/ML Engineer to build and scale production-grade machine learning systems from the ground up. You will have full ownership across the ML lifecycle and influence technical direction in an early-stage environment....
$190k - $210k
Overview Founding Engineer | $190k-$210k + Equity + Bonus | New York (Hybrid) We\'re partnering with a Seed-stage HealthTech startup (... ...pipelines, and integrations with external partners and vendor systems. You Should Apply If You Have 5-10 years building and owning...$150k - $180k
Flotive AI is looking for a Founding Software Engineer to take charge of technical architecture and build systems that extract regulatory knowledge at scale. You will collaborate closely with the co-founders and other engineers to develop impactful workflows and APIs connecting...Relocation package$160k - $225k
Clusia, based in New York City, is seeking a founding engineer to build core architecture and customer-facing workflows. This role requires deep understanding of AI and a strong background in product engineering. As part of a high-talent-density team, you'll play a crucial...$120k - $160k
..., an AI care-coordination platform for dentistry, is seeking a Founding Engineer to work closely with the founders in building and scaling... ...This hands-on role offers real ownership over frontend/backend systems and product direction. The ideal candidate will have 4-6 years...- Overstand Labs (YC W25) seeks a Founding Engineer to collaborate directly with customers and shape the product. The role involves building production-grade systems using PySpark, Python, and TypeScript while addressing customer operations. Ideal candidates thrive in high...
- Tandem Inc. is seeking hands-on autonomous founding engineers in New York City to architect and build software for the glass and glazing industry. You will have a pivotal role in developing the core product, shaping the technical stack, and establishing engineering best...
- ...Founding AI Engineer at Hera (YC S25) We're building the world's first AI motion designer... ...today. About The Role Build and optimize AI systems to generate high-quality animations that... ...style‑consistent motion graphics generation. Tech Stack Our technology choices evolve with...Work at officeRelocation
$160k - $210k
...Join to apply for the Founding AI Engineer role at Interfere (YC S25) in New York, NY. Base pay range $160,000.00/yr - $210,000.00/yr... ...When it breaks, the world stutters. We’re building its immune system. This is not a normal job – it demands taste, intensity, and obsession...Full timeVisa sponsorship- ...transforming how institutional real estate firms operate is hiring a Founding AI/ML Engineer. The product is already being used by major... ...own the AI stack end-to-end: LLM orchestration RAG + retrieval systems Agentic workflows Production AI infrastructure Looking for...Visa sponsorship
- ...Overview Founding AI Engineer (AI + Production) — New York City (on-site 5 days). Top of market... ...research breakthroughs into production systems that ship — pushing beyond LLMs into... ...integration, and the ML ops stack. Mentor and lead : as the team scales, hire and guide...Weekend work
$300k - $350k
A pioneering tech company in New York seeks a Founding Staff ML / AI Engineer to set the foundation for their AI/ML capabilities. You will own the entire AI/ML lifecycle from research to production, collaborating with leadership on strategy. Ideal candidates have over 5...Relocation package$180k
Job Title Founding ML Engineer Salary $180K + 1% Equity Company Description BehaviorAI is a top-tier VC-backed startup and Cornell... ...Description As a Founding ML Engineer at BehaviorAI, you will architect and deploy state-of-the-art multimodal models for real‑world time...- Clera in Mountain View, CA is seeking a Founding Engineer focused on ML-driven demand generation. This role blends data science, ML, and growth strategy to power lead generation, personalization, and performance marketing. You will shape acquisition, conversion, and retention...
- Role Description This is a full-time on-site role for a Founding Machine Learning Engineer located in NYC. The Founding ML Engineer will... ...'ll Do Develop models for generating and optimizing optical system layouts based on design goals and constraints. Build workflows...Full time
- ...efficiency through intelligent automation. Founded by a former project engineer and backed... ...Experience with LLM workflows, RAG, and NLP systems . Full‑stack awareness —comfortable... ...interface with product and UI. Construction tech passion : curious about submittals,...For contractorsFlexible hours
- Sava, a YC-backed fintech startup in New York, is seeking a founding engineer to help design and build foundational systems for the company. This role is unique as you will make significant technical decisions that will shape the future of the organization. Ideal candidates...
- A leading innovative hospitality company in New York is seeking a Founding iOS Engineer to build the next-generation iOS experience. In this role, you will define the architecture and engineering standards for the new app. The ideal candidate has 5+ years of experience...
$190k - $210k
We’re hiring a Founding iOS Engineer to build the next-generation iOS experience from the ground... ...strategy , including where mobile should lead, how it should differentiate from web,... ...engineers on APIs, data contracts, and systems tradeoffs. You have strong engineering fundamentals...Night shift- ...the United States) Position: Founding Software Engineer (Part-time... ...opportunities. We connect US tech startups with cheap, exceptional... ...cross-border payment system to empower the global workforce... ...Your primary focus will be on architecting and building our split backend...Full timePart timeImmediate startRemote work
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