# Senior Software Engineer, Mobile

**Company:** [Prove AI](https://hotfix.jobs/companies/prove-ai)
**Location:** Remote
**Role:** Mobile Engineering
**Salary:** $170k – $210k/yr
**Experience:** 6+ years
**Skills:** Kotlin, Java, JavaScript, TypeScript, Swift, objective-c, iOS, Android, HTML, css3, AWS, firebase
**Posted:** 2026-07-15

> Senior mobile/full-stack engineer building SIM Key authentication and trust products that integrate with Mobile Network Operators. Develop and ship code across iOS, Android and web platforms using Kotlin/Java, JS/TS, Swift/ObjC; own features end-to-end, troubleshoot issues, lead projects and mentor engineers. 6+ years full-stack experience required.

## Job Description

## Key Responsibilities
- Write well-designed, efficient code across iOS, Android, and Web platforms, and perform code reviews.
- Own delivery of software features from Product to Production.
- Partner with Product, IT and Operations to define technical requirements, develop project roadmaps, and ensure timely, efficient delivery.
- Troubleshoot and resolve complex customer-reported issues and technical challenges through creative problem-solving.
- Lead projects and mentor engineers.
- Promote, maintain, and enhance our cultural values of humility, passion, inclusion, and leadership.

## Required Qualifications
- 6+ years of full stack software development experience.
- Deep understanding of object-oriented programming with proficiency in at least two of the three dominant technologies in our tech stack: Kotlin/Java, Javascript/Typescript, Swift/ObjC.
- Experience in shipping mobile technologies such as iOS/Android and in Web development.
- Proven professional experience working with a modern client-side stack, including HTML5, CSS3, and core JavaScript.

## Preferred Qualifications
- Experience building and shipping lower level client-side frameworks and SDKs.
- Experience with AWS, Firebase, or other public cloud services.
- Bachelor’s in computer science or other quantitative fields or relevant experience.
- Prior technical leadership experience.
- Strong passion for learning about our products and markets through in-house and external training.
- Experience in high growth /pre-IPO Technology companies is a plus.

## Compensation
Anticipated salary range (plus company bonus):
- Metro 2 (NYC, Seattle, Los Angeles, Miami metro areas): $190,000 - $210,000
- Metro 3 (all other US cities except SF Bay Area): $170,000 - $190,000

Offered salary determined by education, experience, knowledge, skills, geo-location, internal equity and market data.

## Benefits & Perks
- Competitive salaries & Bonus Plan and Equity Plan
- Modern Health for financial, mental, and physical wellness
- 401(k) Retirement Plan & Match
- Unlimited Vacation and Flexible hours
- Comprehensive medical benefits for you and your family
- Emotional & Physical Wellness – Access to wellness services (EAP & Prove Well-Being Reimbursement)
- Bottomless snacks & beverages for certain office locations
- Daily GrubHub stipend for lunch if coming into the office

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**Canonical:** https://hotfix.jobs/jobs/2a19bc7f-e2fb-47ae-9d18-2f69a141b396