Security Platform Engineer, ONE
+ stock options
Ethical personal finance platform
Open for applications
Ethical personal finance platform
501-1000 employees
Open for applications
+ stock options
501-1000 employees
Company mission
To help people live healthier financial lives.
Role
Who you are
- 4+ years’ experience in application security engineering, DevSecOps, or security platform engineering
- Familiarity with common security frameworks and taxonomies (OWASP Top 10, CWE, CVSS, MITRE ATT&CK)
- Exposure to AWS services (IAM, KMS, VPC, EC2, RDS, EKS) or cloud security fundamentals
- Hands-on experience with code scanning or SAST/SCA tools
- Scripting skills (Python, Bash, or similar) to support automation
- Strong interest in learning modern AppSec practices and growing technical depth
- Drive and proactivity - everyone here is a builder and executor
What the job involves
- As a Security Platform Engineer at OnePay, you’ll support the security of our platform by helping embed secure practices across development and cloud environments
- In this role, you’ll contribute to security reviews, automation, and compliance efforts that protect our customers and ensure trust
- Assist in designing and validating secure AWS configurations (IAM roles, encryption, VPC segmentation)
- Support integration of security checks into CI/CD pipelines using policy-as-code tools and automation
- Contribute to securing containerized environments (Docker, Kubernetes, EKS) following best practices
- Participate in threat modeling, code reviews, and static/dynamic analysis alongside senior engineers
- Help automate repetitive AppSec tasks like vulnerability scanning and triage
- Document and promote secure development patterns across product teams
Application process
- Initial Interview with Talent Partner
- Technical or Hiring Manager Interview
- Team Interview
- Executive Interview
- Offer!
Our take
Banks have a poor image and are often perceived to not care about their customers. ONE Finance has the financial well-being of its clients at the heart of what it does. Offering equal access to high-yield savings rates and affordable credit that grows. Its signature feature is the ability to organize money in multiple sub-accounts that ONE calls “Pockets,” whether to pay specific bills or save toward goals. You can also set up shared “Pockets” with partners or friends for joint saving objectives.
ONE is part of a new wave of digital banking apps that have the potential to disrupt traditional legacy systems, driven by European firms such as Triodos in the Netherlands. ONE Finance is clear that it doesn’t use deposits for anything that exploits the Earth's resources or is involved in the arms trade, setting it apart from other recent endeavours from Monzo and Revolut who aren’t so forthcoming about where its funds are invested.
In 2022, ONE was acquired by Hazel, a FinTech company which was launched by Walmart and Ribbit Capital and which also acquired Even Responsible Finance at the same time. The companies have merged under the ONE brand, combining workforces, products and operating budgets, and will benefit from Walmart's support and marketing reach.
Freddie
Company Specialist at Welcome to the Jungle
Insights
68% employee growth in 12 months
Company
Funding (last 2 of 3 rounds)
Aug 2021
$40m
SERIES B
Mar 2020
$17m
SERIES A
Total funding: $66m
Company benefits
- Benefits effective on day one
- Early access to a high potential, high growth fintech
- Generous stock option packages in an early-stage startup
- Remote friendly (anywhere in the US) and office friendly - you pick the schedule
- Flexible time off programs - vacation, sick, paid parental leave, and paid caregiver leave
- 401(k) plan with match
Company HQ
Civic Center, New York, NY
Leadership
Brian Hamilton
(Chief Commercial Officer)Started their career at Wells Fargo Foreign Exchange before leaving after almost 8 years to join Clear2Pay in 2006. They founded Isomer Labs, PushPoint, and Azlo before starting One as CEO in February 2019.
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