Full-Time

Senior Software Engineer

iOS

Harmonic

Harmonic

51-200 employees

Business intelligence platform for investment sourcing

Compensation Overview

$180k - $220k/yr

+ Equity

New York, NY, USA

Hybrid

In-office 3 days per week required.

Category
Software Engineering (1)
Required Skills
iOS/Swift

Get referred to Harmonic

See people who can refer or advise you

Requirements
  • 5+ years building and maintaining user-facing iOS applications with real production usage
  • Clear product and design intuition demonstrated with a history of creating user-focused iOS experiences with high craft and polish
  • Opinionated and experienced in modern mobile architecture, patterns, and best practices
  • NYC-based, in office 3 days/week
Responsibilities
  • Build and ship the iOS app from scratch: Own the end-to-end development of Harmonic’s first iOS app from project setup and architecture, to shipping the initial product experience. You’ll turn ideas into polished production ready features quickly
  • Create exceptional product experiences: You’ll partner directly with Product and Design leads to craft world-class interactive experiences, leaning into AI-native chat UX and setting the quality standard for Harmonic’s mobile interactions. Your work will define what “great” feels like in a native iOS app
  • Drive technical decisions & mentor future hires: You will be the founding iOS engineer. Set the bar and help us shape how mobile operates at Harmonic long-term
  • Create scalable abstractions and foundations: Set up testing strategies, CI/CD pipelines, modular architecture, reusable components and patterns that enable a future mobile team to move fast without breaking things

Harmonic.ai provides a data-driven platform with a large, up-to-date database of over 20 million companies and 160 million individuals for business intelligence, investment sourcing, and deal flow. It works via a subscription service with a Chrome extension and an API, letting users run hyper-specific searches, get real-time alerts, and collaborate through their team network, with a bulk-import option to feed data directly into a data warehouse. Its strengths come from its extensive dataset, precise search capabilities, actionable alerts, and seamless integration across extensions, APIs, and bulk data delivery. The goal is to help businesses and investors find promising opportunities and make informed, data-driven decisions.

Company Size

51-200

Company Stage

Series A

Total Funding

$30M

Headquarters

San Francisco, California

Founded

2021

Get referred to Harmonic

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Fresh company data supports venture sourcing and business development workflows.
  • Enterprise teams value hyper-specific searches and actionable alerts for faster prospecting.
  • Bulk import and API integrations improve adoption inside existing data stacks.

What critics are saying

  • LinkedIn or similar gatekeepers can degrade people-data coverage and raise acquisition costs.
  • Competing AI search products can commoditize startup research and pressure subscriptions.
  • Any slowdown in data freshness directly weakens trust among power users.

What makes Harmonic unique

  • Harmonic.ai offers proprietary startup and people data across millions of records.
  • Its product combines alerts, Chrome extension, API, and warehouse bulk import.
  • It positions itself as the source of truth for startups.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

401(k) Company Match

Free Lunch

Company Social Events

Commuter Benefits

Quarterly company-wide offsites

Growth & Insights and Company News

Headcount

6 month growth

-3%

1 year growth

-3%

2 year growth

-2%
Ranzware
Jul 29th, 2025
Harmonic, the Robinhood CEO's AI math startup, launches an AI chatbot app

Harmonic, the robinhood ceo's AI math startup, launches an AI chatbot app.

Evolution AI Hub
Jul 11th, 2025
Robinhood CEO's New AI Startup Nears $1B Valuation to Tackle Math

Harmonic AI raised $100M Series B, valuing it at $875M

DeepNewz
Jul 10th, 2025
Harmonic AI Raises $100M, Valued $875M

Harmonic AI, co-founded by Robinhood CEO Vlad Tenev, has raised $100 million in a Series B round led by Kleiner Perkins. The funding values the Palo Alto-based AI company at approximately $875 million. The funds will be used to expand research teams and accelerate product development.

Intelligence360
Oct 14th, 2024
Harmonic Secures $75M for AI Development

Harmonic announced a $75 million Series A funding round at a $325 million post-money valuation, led by Sequoia Capital with participation from Index Ventures and others. The funding will accelerate the development of Mathematical Superintelligence (MSI), an AI with superior mathematical capabilities. Harmonic's model, Aristotle, achieves 90% on the MiniF2F benchmark. Co-founders Vlad Tenev and Tudor Achim emphasize MSI's potential to overcome AI limitations and advance various fields.

SecurityWeek
Oct 2nd, 2024
Harmonic Raises $17.5M to Defend Against AI Data Harvesting

Harmonic, an early stage startup working on software to mitigate against unregulated AI apps harvesting company data at scale, has attracted $17.5 million in new funding as venture capital investors double down on AI security companies.