Senior Mobile Developer

Surge Group; Denver (CO); Hybrid; USD 150,000 - 250,000; Full time

Benefits offered by this job

Equity

Hybrid work model

Job summary

Surge Group in Denver is seeking a Senior Mobile Developer to build fully native iOS and Android apps. The role emphasizes end-to-end ownership, strong collaboration with product and design teams, and delivering scalable mobile experiences in a climate-tech context.

You should be proficient in Swift/SwiftUI and Kotlin/Jetpack Compose, with 5+ years in software engineering and a track record of shipping production-ready features. The role follows a hybrid model with office days in Denver.

Qualifications

• 5+ years in software engineering.
• Fluency across iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose).
• Comfortable taking production ownership and shipping features.

Responsibilities

• Develop and maintain fully native mobile apps for iOS and Android.
• Collaborate with design, backend, and product teams to deliver features.
• Own critical production journeys and ensure app quality.

Skills

iOS SwiftUI

Android Kotlin/Jetpack

Production ownership

Tools

Claude Code

Cursor

Codex

Job description

Snr Mobile Developer -- Climate Tech-- up to $250,000 + Meaningful Equity -- Denver, Colorado (Hybrid)

Join a venture-backed fast-growing climate-tech business digitising residential energy services. This is an opportunity to build technology that digitises one of the world's largest offline industries.

The business sits at the intersection of climate tech, marketplaces, and fintech-style user experiences, and is financially backed by one of America's largest Venture Capitals.

This is a great opportunity to join a company that's helping shape the next generation of consumer finance at the intersection of blockchain, product design, and real-world payments.

As a result, they're looking for exceptional Fully Native Mobile Engineers skilled in both Android and iOS development, being comfortable in taking production ownership, demonstrating fluency across both iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose).

The company adopts a hybrid working model, being in their Denver office on Mondays, Tuesdays and Thursdays.

They can offer salaries up to $250,000 depending on experience combined with meaningful equity.

• 5+ Years in Software Engineering
• Fluency across iOS & Android Development (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose)
• Comfortable using agentic coding tools (Claude Code, Cursor, Codex) as part of the daily workflow.

• Salary up-to $250,000 p/a + Equity
• An opportunity to join a Venture Backed Start-Up during a crucial stage.
• Hybrid working, Office Days Mon, Tues and Thursdays.

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