Senior iOS Developer - Onsite (Burlingame/ SF, California)

Braintrust; San Francisco (CA); On-site; USD 125,000 - 178,000; Full time

Benefits offered by this job

Significant equity

Good salary

Medical and dental benefits

Flexible workplace

Career-defining role

Job summary

A leading tech startup in San Francisco is seeking a Senior iOS Developer to create innovative mobile experiences. You will be part of a skilled team focusing on building a next-gen app with substantial equity and competitive salary. The ideal candidate has over 5 years of iOS development experience, particularly with SwiftUI, and a passion for problem-solving and innovation.

Qualifications

• 5+ years of hands-on experience building iOS applications.
• 2+ years of professional experience delivering production apps using SwiftUI.
• Proficient with Combine or similar reactive programming frameworks.

Responsibilities

• Build fast, elegant, and reliable mobile experiences.
• Help shape a next-generation mobile interface.
• Collaborate with a world-class iOS team.

Skills

iOS application development

SwiftUI

Reactive programming

Swift concurrency

SQLite

Software design patterns

Problem-solving

Clear communication

Education

Bachelor’s or Master’s degree in Computer Science, Engineering

Job description

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Job Description

We are creating the most ambitious iOS app to date.

This is a rare opportunity to join a rocket ship backed by world-class investors and already proven by tens of thousands of users who rely on Hero every day.

Company Background

Hero is the first AI Daily Assistant, a superapp to manage your day, coordinate with others, and soon, run every part of your life from messaging to payments, ordering food, booking, and beyond. We're creating a new category of an all-in-one AI-powered app, combining beautiful UI with deep intelligence.

• TechCrunch
• App store
• Website

Hero has already replaced 8 apps for our users and this is just the start. With a fast-growing user base, glowing reviews, and clear product-market pull, we’re building something that could define how people interact with technology every day.

We're looking for a senior iOS engineer

who wants to build fast, elegant, and reliable mobile experiences and help shape one of the most ambitious mobile products ever. You'll join a small, elite team and play a foundational role in crafting a next-generation interface.

We have a world-class iOS team, with our CTO being the former iOS lead of Facebook Stories, and tech lead being a former iOS tech lead at both Amazon and Instacart.

We’re a seed-stage startup backed by top investors including Forerunner, Neo, Abstract Ventures, the Chainsmokers, Arash Ferdowsi (Dropbox founder and CTO), Ime Archibong (VP of FB Messenger), Max Mullen (co-founder Instacart), Scott Belsky (Chief Product Officer, Adobe) and more.

Location

SF Bay Area, in person (Burlingame) 5 days a week

Specific Skills

• 5+ years of hands-on experience building iOS applications
• 2+ years of professional experience delivering production apps using SwiftUI
• Proficient with Combine or similar reactive programming frameworks
• Skilled in using Swift concurrency features (e.g., async/await, Tasks)
• Familiarity with SQLite is a plus
• Strong grasp of software design patterns and system architecture best practices
• Excellent problem-solving ability, from optimizing user experience to integrating backend data
• Clear communicator capable of explaining technical concepts and trade-offs to non-technical team members
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

Essential Traits

• Ambitious – Wants to build something great, and defaults to “why not” rather than the status quo. Gets excited about doing things that nobody has done before.
• Self-motivated – Have an internal drive to be great at what they do. This results in a high-trust team of empowered people that can continually grow, and accomplish more than far larger companies, with fewer meetings and processes.
• Hard-working – Expect to work hard on something that you will look back on and be incredibly proud of.
• Low ego, good person – While we are ambitious, we highly value low-ego, good people. We believe you can be direct, efficient, and build great things, while being viewed by everyone as part of ‘their dream team’. We want to create an environment where everyone is good at what they do, and enjoys coming to work.

What this role offers

• A ‘career-defining role’: We think this is a once in a generation opportunity to define the next platform. We want to put you in the position to be referred to throughout your career as one of the greatest engineers in the industry.
• Work with a talented team on something that will change millions of lives.
• Significant equity, good salary, and medical and dental benefits.
• Flexible interests: We are committed to hiring the best and setting you up to love what you do every day.
• Solid equity/percentage

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

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