Title: Senior Full Stack Engineer
Location: Remote
Job Description: Senior Software Engineer, Full Stack
Company: Stealth (Venture-Backed Fintech)
Location: New York, NY (initially in-person; potential to become remote)
Employment Type: Full-time
Compensation: $180,000 – $220,000 base + equity + benefits
About the Company
Owners of small and medium-sized businesses (SMBs) rarely have access to the tailored expertise and sophisticated financial services that large enterprises take for granted. When SMB owners seek help to optimize operations, scale their businesses, or plan for an eventual exit, available solutions are often prohibitively expensive or limited in scope.
This company is building a platform that brings enterprise-grade financial advice, tooling, and solutions to SMB owners—both directly and through partnerships with financial advisors who serve their personal financial needs. The company's mission is to bring the power of Wall Street-level financial services to Main Street, helping small business owners optimize, grow, and plan for the future.
This company is a venture-backed company with multiple years of runway and are early in building our core platform.
About the Role
This company is seeking a Senior Full Stack Software Engineer to help design, build, and scale our financial platform. This is a founding engineering role with significant ownership and influence over system architecture, development practices, and product direction.
In this role, you will work across the stack—from building intuitive user interfaces to designing backend services and AI-driven automation systems. Your work will directly impact customers, partners, and the long-term scalability of the platform.
This is an excellent opportunity for senior engineers who enjoy building from the ground up, working in low-process environments, and collaborating closely with product and business stakeholders.
Why Join the team
Engineers deploy at will, multiple times per day
Strong emphasis on developer happiness and efficiency
Async-first culture; morning standup is the only recurring meeting
Decisions are documented (“Write Things Down™”)
Collaborative, low-ego environment where the best idea wins
“Done” is better than “perfect”
Opportunity to shape core systems and engineering culture early
What You’ll Do
Build high-quality user interfaces using TypeScript, React, GraphQL, and Relay
Design, expand, and maintain backend services using Elixir/Phoenix, Go, Python, and Node.js
Develop and refine AI-powered agent systems written in Python
Support and improve existing products while designing and building new platform capabilities
Work closely with stakeholders and partners to gather requirements and incorporate feedback
Help define technical strategy, architecture, and best practices across the stack
Qualifications
Required
Extensive experience building full-stack web applications (senior-level; ~10+ years ideal)
Strong understanding of modern web fundamentals (HTTP, cookies, CSP, CORS, browser behavior)
Solid relational database fundamentals and experience working with SQL
Demonstrated proficiency in at least two programming languages in production environments
Excellent written and verbal communication skills
Comfort working in collaborative environments where engineers help define product and technical direction
Ability to communicate clearly and empathetically with technical and non-technical stakeholders
Strongly Preferred
Ability to quickly learn new languages, frameworks, and best practices
Experience with query optimization and relational database performance
Experience in technical leadership roles (team lead or management)
Experience deploying and operating systems on Google Cloud and/or AWS
Production experience with Elixir, TypeScript, JavaScript, Go, Python, Ruby
Experience building AI agents or working with LLMs for automation
Tech Stack (Current & Planned)
Frontend: Next.js, TypeScript, React, GraphQL, Relay
Backend: Elixir/Phoenix, Go, Python, Node.js
Databases: PostgreSQL
Infrastructure: Google Cloud Platform, Terraform
Collaboration: Slack, GitHub, Linear
Compensation & Benefits
Base Salary: $180,000 – $220,000 (NYC)
Equity: Meaningful equity grants
Benefits:
Health, dental, and vision insurance
Home office setup stipend
Unlimited paid time off
401(k) beginning in 2026
Additional competitive benefits