Staff Fullstack Software Engineer, Flex
$199-262k
Salary varies depending on location. Plus Company Equity
Flexible rent payment application
Job no longer available
Flexible rent payment application
501-1000 employees
Job no longer available
$199-262k
Salary varies depending on location. Plus Company Equity
501-1000 employees
Company mission
To help people pay for the things that matter most.
Role
Who you are
- A minimum of 4 +years of experience with Java and 3+ with React/Typescript is required for this position
- 6+ years of professional software development experience
- 4+ years of hands-on experience with Java
- 4+ years of experience with React or React Native
- 4+ years of experience with TypeScript
- Having experience building high-quality mobile and web UIs to specifications is a must to have
- Experience leading the delivery of multiple highly impactful products end to end, on time with a high quality bar
- Ability to drive yourself and your team to bring quality and consistency to their code and architecture, without compromising velocity
- Ability to work on a globally-distributed team with a high degree of ownership
- Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery
- Ability to grow in a fast-paced and dynamic environment that will challenge you to always bring your best
- Experience building robust, fault-tolerant systems with multiple external dependencies
- Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC)
- Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures
- Experience with architectures and tools in React Native and React ecosystems (Hooks, Components, Context, Redux)
- Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools
- The ideal candidate will be comfortable leading scoping, design and implementation for APIs they build and can drive their production rollouts to completion with minimum oversight
Desirable
- Proficient in CI/CD systems (preferably GitHub Actions), git, and automation
- Skilled in observability and monitoring tools, such as DataDog, to ensure high availability
- Experienced with big data platforms and tooling, including Snowflake
- Proficient in Infrastructure as Code, using tools like CDK and Terraform
- Skilled at elevating team standards through best practices, and mentoring junior engineers
- Excellent written and verbal communicator, with experience in cross-functional collaboration
What the job involves
- Flex is looking for a Software Engineer who will be responsible for implementing the various backend systems that support all business features
- In this role, you will be part of the backend engineer team, responsible for the services and integrations that power our products, such as Payment, Billing, Identity, partner integration, etc. You’ll be designing, developing, testing, and scaling systems needed to deliver great user and partner experiences
- You’ll work closely with your product, design and engineering peers to solve our users' most pressing problems around rent payment
- You’ll roll out changes to our customers in an agile manner with a delivery cadence that favors small, frequent iterations
- Design, implement and maintain our Finance service and internal tooling, including financial reporting, reconciliation/audit process
- Design and develop new APIs and functionalities to support large money movements across our banking partners via different payment rails, such ACH
- Scale out core platform to support business growth while maintaining performance and reliability
- Continuously improving our daily operations with automation, tooling, design evolution, observability etc
- Work closely with product, analytics, finance and engineering peers to launch new financial features into our platform
Our take
Many people struggle to pay their rent every month, with a variety of bills hitting their bank accounts simultaneously. Whilst many of these people earn enough money to cover their bills, the inflexible nature of monthly bills can make the all-in-one payment a harder obstacle.
Flex provides a mobile application for the flexible payment of rent, allowing users to pay their landlords through flexible payment plans, reschedule payments when necessary, and protect their funds through Overdraft Protection. The company achieves this by partnering with estate agents and paying their resident's bills upfront, taking on the challenges that landlords would normally have due to late payments.
Flex has experienced extremely rapid growth since its founding which has caused some issues, as it struggled to keep up with the surge in new customers. Having made improvements to its product and scaled its customer service team, it is set to continue providing a service that has come to be highly valued by both tenants and landlords.
Freddie
Company Specialist at Welcome to the Jungle
Insights
10% employee growth in 12 months
Company
Funding (last 2 of 5 rounds)
Feb 2022
$160m
SERIES C
Apr 2021
$46.6m
SERIES B
Total funding: $225.1m
Company benefits
- Medical, Dental & Vision: Your healthcare will be available from Day 1— giving you immediate peace of mind — with best in class coverage and options.
- Parental Leave: Step away with paid time off to focus on family and life’s newest chapter.
- NYC HQ: Collaborate in our lively New York headquarters, with new office space on the way!
- 401(k) Retirement Savings: Plan ahead with our 401(k) program to grow your future. And starting early 2026, employees will be eligible for a company match!
- Flex Giving: Flex Giving empowers employees to support local nonprofits advancing housing stability in the communities we call home.
- Employee Assistance Fund: Confidential financial support to teammates facing unexpected hardships or emergencies.
- Hybrid Work Policy: Work flexibly from home, with in-person collaboration and events that matter.
- Unlimited PTO + Holidays: Take the time you need— whether that’s a vacation, recharge, or simply a long weekend
- Free Flex Subscription: As a Flex employee, you'll have full access to our services without charge.
- GrubHub Credit: Enjoy meal credits while in the office, so you’re fueled for the workday ahead.
Company HQ
Midtown Manhattan, New York, NY
Leadership
Shragie Lichtenstein
(Co-Founder & CEO)Prior to co-founding Flex in 2019, Shragie co-founded Boundless Reality. They graduated from Yeshiva University in 2015 with a Bachelor's Degree in Finance.
YeTong Shao
(Co-Founder)Prior to co-founding Flex in 2019, YeTong co-founded Boundless Reality alongside Shragie. They graduated from the University of Chicago with a Bachelor's Degree in Mathematic & Economics.
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