Actively AI · 12 hours ago
Senior Software Engineer (Full-Stack)
New York, NY
Full-time
Onsite
Mid, Senior Level
$160K/yr - $200K/yr
3+ years expActively AI is building superintelligence for GTM teams, creating custom reasoning agents to enhance sales processes. The Senior Full-Stack Engineer will own the product surface area around these AI agents, focusing on building user-friendly interfaces and improving customer onboarding and self-service capabilities.
Artificial Intelligence (AI)Generative AIMachine LearningMarketing AutomationSales AutomationSales Enablement
Responsibilities
Design & ship customer-facing product surfaces. Own our full-stack app end-to-end — from the PRD to the React / TypeScript UIs to the APIs and data models that back them
Expose our reasoning agents. Build interfaces for sales reps and RevOps teams to train, tweak, and trust Actively’s multi-agent system
Level-up onboarding & self-serve. Automate user/account provisioning, routing rules, and environment deployment so Customer Success can launch new customers in hours, not days
Make hard things debuggable. Create internal and external tools that surface agent decisions and trace data flow in one click
Build the full-stack team & raise the engineering bar. Propose architecture patterns, own technical debt pay-down, and help hire, onboard, and mentor new full-stack engineers as we grow the team
Shipping a UI + backend logic update that helps RevOps teams visualize and adjust rep routing logic
Pairing with an FDE on a customer onboarding issue, then building internal tooling to streamline that experience
Designing an 'agent replay' interface that exposes the multi-step reasoning process of our AI system to users to build trust and solicit feedback
Building a dashboard that makes our ROI clear to customers
Qualification
Required
3+ years of experience building user-facing frontends and backend systems that power them
Ability to own APIs, data models, and system design
Experience building clean UIs using modern frontend frameworks (e.g. React/TypeScript)
Strong understanding of user workflows and UX clarity
Ability to build interfaces that make complex things simple
Experience in talking to customers to figure out what to build and iterate
Ability to work independently without PM hand-holding
Interest in how AI and human-in-the-loop workflows can come together
Execution-oriented with a bias toward action, shipping fast, and improving quickly based on feedback
Preferred
Prior experience in an early-stage startup or as a founder
Familiarity with sales tech (e.g. Salesforce, Outreach, Gong) and/or GTM workflows
Experience building with LLMs and AI agents
Strong intuition for building usable interfaces with a 'low floor and high ceiling' for a variety of user personas
Benefits
🚀 Competitive Early-Stage Equity
⚕ Health, Dental, Vision Coverage
💡 Unlimited PTO + Recharge Days
🍽️ Catered Lunch on Tuesday & Friday w/ Dinners Everyday!
🍿 Fully Stock Kitchen
💻 Cutting-Edge Tech & Tools
🌴 Annual Off-sites & Monthly Events
🚆 Commuter Benefits
🏢 Cozy Office in NYC
Company
Actively AI
GTM Superintelligence for Revenue Teams. Helping enterprises increase qualified pipeline, revenue, and win rates with more precise outbound.
51-200 employees
H1B Sponsorship
Actively AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (3)
Funding
Current Stage
Growth StageTotal Funding
$22.5MKey Investors
Bain Capital Ventures
2025-04-02Series A· $17.5M
2023-01-01Seed· $5M
Leadership Team
Mihir Garimella
Co-Founder & CEO
Recent News
vcnewsdaily.com
2025-04-03
FoundersToday
2025-04-03
Company data provided by crunchbase