Senior Full Stack Engineer jobs in United States
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Proxima · 5 months ago

Senior Full Stack Engineer

positionNew York, NY
timeFull-time
remoteHybrid
senioritySenior Level
money$170K/yr - $210K/yr
date6+ years exp

Proxima is a visionary company aiming to transform the consumer technology landscape through data-driven solutions. They are seeking a Senior Full Stack Engineer to develop AI-driven products that leverage their unique dataset, enabling businesses to find their ideal customers while helping consumers discover new products.

AdvertisingArtificial Intelligence (AI)Digital MarketingMarketing
badNo H1Bnote

Responsibilities

Build, maintain, and scale full stack applications using TypeScript, React, and Python
Work on end-to-end features including AI agent interfaces, orchestration layers, and developer-facing tools
Write and style responsive user interfaces using CSS/SCSS
Design, build, and document backend services and APIs
Query and manage relational databases using SQL
Collaborate with cross-functional teams to iterate quickly and deliver high-impact features
Own projects from architecture to deployment in a fast-paced, agile environment
Stay on the cutting edge of modern development practices, especially around AI integration

Qualification

TypeScriptPythonReactSQLAI-powered applicationsCSSStartup experienceAI-assisted coding toolsProject ownershipCloud platformsData engineering

Required

6+ years of professional software development experience
Proven experience working in startup environments—you've shipped products fast and worn multiple hats
Proficiency with TypeScript, Python, and React
Experience writing and maintaining CSS in production-grade web apps
Strong working knowledge of SQL and relational database design
Demonstrated experience building or integrating with AI-powered applications
Daily use of AI-assisted coding tools (e.g., GitHub Copilot, Cursor, Claude Code, etc.) is required
Comfortable owning projects independently in a high-velocity development environment
Bachelor's degree (or higher) in Computer Science, Engineering, or a related field

Preferred

Familiarity with building or managing AI agent frameworks, orchestration tools, or embeddings
Experience with data engineering workflows (ETL, dbt, Airflow, etc.)
Knowledge of cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)

Benefits

Unlimited PTO
Health benefits for you and your dependents
Annual memberships to OneMedical and Teladoc
Summer Fridays (July 4 – Labor Day)
Weekly in-office team lunch
12 weeks paid parental leave
401(k) program
Pre-tax commuter, HSA, and FSA benefits
Pet-friendly office in the heart of Soho

Company

Proxima

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Proxima is an AI-based e-commerce and marketing technology solutions company.
dateFounded in 2022
location
New York, New York, USA
people-size11-50 employees
web-link
https://www.proxima.ai

Funding

Current Stage
Early Stage
Total Funding
$12M
Key Investors
Mucker Capital
2024-04-02Series A· $12M

Leadership Team

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Alex Song
Founder & CEO
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Colin Darretta
Co-Founder
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Recent News

Business Wire
Marketers Gain Enhanced Precision Through Proxima’s Collaboration with Microsoft Curate for Commerce
2025-10-17
Business Wire
Procurement Technologies and Services Market Analysis Report 2025-2034 | Mid-Market Adoption of Modular Procurement-as-a-Service Rising - ResearchAndMarkets.com
2025-07-22
Irish Times
Trump reaps $50bn tariff haul as world ‘chickens out’
2025-07-16
Company data provided by crunchbase