Flex Logo

Flex

Staff Software Engineer

Job Posted 13 Days Ago Reposted 13 Days Ago
Remote
Hiring Remotely in U.S.
199K-237K
Senior level
Remote
Hiring Remotely in U.S.
199K-237K
Senior level
As a Staff Software Engineer, you will develop and scale APIs, enhance user experiences, and collaborate with cross-functional teams to drive user growth and engagement.
The summary above was generated by AI

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2025 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?

Flex is looking for an Engineer to join our dynamic team and play a pivotal role in accelerating our growth trajectory. In this role, you will be instrumental in developing and scaling the platform and app experiences that empower our users and partners, unlocking our next phase of 10x growth.

 

What You'll Do:

  • Focus on creating exceptional user and partner experiences that drive engagement and retention.
  • Partner closely with product managers, designers, and data scientists, data analysts to identify and solve critical user onboarding challenges.
  • Design, develop, test, and deploy robust APIs, services and data pipelines that enhance user onboarding and overall platform experience.
  • Implement changes through an agile methodology, prioritizing rapid iteration and continuous improvement.
  • Utilize data and analytics to measure the impact of your work and identify opportunities for optimization.

QualificationsMinimum Qualifications
  • 5+ years of professional software development experience.
  • 3+ years of hands-on experience with Java.
  • 3+ years of experience with React or React Native.
  • 3+ years of experience with TypeScript.
  • Having experience building high-quality mobile and web UIs to specifications is a must to have.
  • 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.

Preferred Qualifications

  • Have the experience to build and improve user onboarding funnel and design the comprehensive experiment to drive metric improvements.
  • 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.
  • For working locations in NY/NJ/CA, the base salary pay range will be $221,000-$237,000
  • For all other states, the base salary pay range will be $199,000-$213,000

#LI-Remote

Life at Flex:

We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.

We offer many employee benefits. For full time, U.S. based employees we offer:

  • Competitive pay
  • 100% company-paid medical, dental, and vision
  • 401(k) + company equity
  • Unlimited paid time off + 13 company paid holidays
  • Parental leave 
  • Flex Cares Program: Non-profit company match + pet adoption coverage
  • Free Flex subscription

 For full time non-US employees, we offer

  • Competitive Pay
  • Company Equity
  • Unlimited PTO

Top Skills

AWS
Docker
Github Actions
Gradle
Java
Junit
React
React Native
Snowflake
Spring
Terraform
Typescript

Similar Jobs

3 Days Ago
Remote or Hybrid
San Diego, CA, USA
147K-258K Annually
Senior level
147K-258K Annually
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
The Staff Software Engineer will build scalable applications, collaborate with teams, and enhance features while ensuring high-quality software development in an Agile environment.
Top Skills: AngularjsApi GatewaysAWSAzureCatchpointCdnsCSSDell BoomiHTMLJavaScriptKafkaReactSplunkSQL
3 Days Ago
Remote or Hybrid
Addison, IL, USA
80K-120K
Senior level
80K-120K
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
In this role, you'll develop scalable applications as part of the CCX team, engaging in full stack development, collaborating on features, and integrating AI in processes while adhering to Agile practices.
Top Skills: AngularjsApi GatewaysAWSAzureCatchpointCdnsCSSDell BoomiHTMLJavaJavaScriptKafkaReactSplunkSQL
4 Days Ago
Remote or Hybrid
Orlando, FL, USA
Senior level
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
The Staff Software Engineer is responsible for designing, implementing, and delivering high-quality software, mentoring colleagues, and enhancing the existing product suite.
Top Skills: AngularCloud EngineeringDockerJavaJavaScriptKubernetesReactUnix SystemsVue

What you need to know about the Seattle Tech Scene

Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.

Key Facts About Seattle Tech

  • Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Amazon, Microsoft, Meta, Google
  • Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
  • Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Madrona, Fuse, Tola, Maveron
  • Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
By clicking Apply you agree to share your profile information with the hiring company.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account