Senior Application Security Engineer, Chime
$213-295k
+ Bonus & competitive equity package
Fridays from home
4 days a week in office
Mobile banking for the everyday person
Be an early applicant
Mobile banking for the everyday person
1001+ employees
Be an early applicant
$213-295k
+ Bonus & competitive equity package
Fridays from home
4 days a week in office
1001+ employees
Company mission
To make financial peace of mind a reality for millions of everyday people.
Role
Who you are
- This role is for someone who understands how modern distributed systems and mobile apps are built, deployed, and attacked in real-world environments
- 5+ years of experience in application security, with strong hands-on experience across both mobile and backend systems
- Hands on experience securing iOS and Android applications in production environments
- Strong understanding of mobile threat models and common attack techniques
- Experience with mobile security testing techniques, including static and dynamic analysis
- Familiarity with iOS and Android platform security features and limitations
- Practical coding experience, preferably in Ruby, Go, Python languages
- Ability to clearly communicate security risks, tradeoffs, and remediation guidance to engineering partners
What the job involves
- We are looking for a Sr. Full Stack Application Security Engineer with deep expertise in mobile application security to join our Product Security team
- This role is hands-on and impact driven. You will work directly with mobile, backend, and platform engineering teams to identify, prevent, and remediate security issues across our iOS, Android, API, and backend systems
- You will operate close to the code and close to the product. That means reviewing architectures across the stack, influencing secure design decisions early, and helping teams ship features safely without slowing delivery
- While mobile application security is a core focus, you will be part of a team that owns security posture across the full application stack including APIs, backend services, identity and authentication flows, and CI/CD pipelines
- Build and improve security capabilities, automation, and guardrails for mobile applications and backend/API services
- Perform application or API/backend penetration testing
- Identify, triage, and help remediate vulnerabilities across Chime products
- Partner closely with engineering and product teams to embed security into the development lifecycle across mobile apps, APIs, and backend services
- Perform architecture and code reviews across the stack (iOS/Android, APIs, backend) with a focus on secure data storage, authentication, authorization, secure communication, and session/token handling
- Leverage AI to accelerate security workflows (e.g., code review support, triage, threat modeling), and partner with teams building AI-enabled features to define and implement production-grade AI security controls
Our take
Chime is part of the growing realm of fintech banks and providers, emphasising straightforward, cost-effective banking solutions. It cuts the expenses tied to basic bank accounts and provides users with greater autonomy in managing their finances.
In contrast to many traditional banks that levy steep fees and hefty penalties for overdrafts while offering meagre interest rates on savings, Chime addresses a crucial gap in the banking sector. Its primary focus is on catering to individuals with modest savings who seek the convenience of automated digital banking.
With a remarkable ascent in its trajectory, Chime's current valuation stands at $11.6B since its 2025 IPO. However, competition remains fierce, with other neobanks like Ally offering similar features and vying for the same customer base. That being said, Chime's IPO, rare in a financially uncertain period, proves that it has shifted from challenger to major player.
Freddie
Company Specialist at Welcome to the Jungle
Insights
0% employee growth in 12 months
Company
Funding (last 2 of 9 rounds)
Aug 2021
$750m
SERIES G
Sep 2020
$485m
SERIES F
Total funding: $2.0bn
Company benefits
- Physical: We believe in taking care of your physical health, so as a Chimer you’ll get medical, dental, and vision insurance, as well as benefits to support your physical activity, family planning, and all of your little Chimers
- Emotional: We know that staying healthy involves a lot more than doctor’s checkups. We partner with Modern Health to help you navigate your mental health, give monthly Take Care of Yourself Days, and want you to take time off when you need it
- Financial: We want Chimers to save and feel financially supported, so we offer savings plans with competitive matching, as well as access to financial planning and legal assistance so that you can find your financial peace of mind
- Social: We’ll celebrate your milestones together with travel stipends, swag, and high-fives and make sure you’re connected to fellow Chimers through our Chime Resource Groups (CRGs) and company events
Company HQ
Nob Hill, San Francisco, CA
Leadership
Chris Britt
(Co-Founder & CEO)Chris worked as an Accenture Management Consultant for 4 years before roles at CMGI, Comscore Networks, and Visa. They left their position as an SVP of Corporate Development at Green Dot Corporation to co-found Chime in November 2012.
Ryan King
(Co-Founder)Ryan worked at Plaxo for 8 years, first as Lead Engineer and then working their way up to VP of Engineering & COO. They went on to be CTO & Vice President at Comcast Silicon Valley Innovation Centre before co-founding Chime.
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