Flex

Senior Software Engineer, Fullstack

United States

Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
FintechIndustries

Software Engineer

Position Overview

Flex is a growth-stage, NYC-headquartered FinTech company dedicated to creating the best rent payment experience. We aim to empower renters by allowing them to pay rent throughout the month on a schedule that fits their finances. This role involves implementing backend systems that support all business features, including Payment, Billing, Identity, and partner integrations. You will be responsible for designing, developing, testing, and scaling systems to deliver excellent user and partner experiences. You will collaborate closely with product, design, and engineering peers, delivering changes in an agile manner with frequent iterations. The ideal candidate is comfortable leading scoping, design, and implementation for APIs, and can drive their production rollouts with minimal oversight.

Employment Type

Full-time

Location Type

New York City (HQ), with employees located throughout the US.

Salary

  • NY/NJ/CA: $197,000 - $213,000
  • All Other States: $177,000 - $192,000 (Compensation is commensurate with candidate experience and Flex's internal leveling guidelines and benchmarks.)

Requirements

Minimum Qualifications

  • 4+ 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.
  • Experience building high-quality mobile and web UIs to specifications.
  • 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 thrive in a fast-paced and dynamic environment.
  • Experience building robust, fault-tolerant systems with multiple external dependencies.
  • Proficient in Java frameworks and tools: Spring (core/web/boot), Gradle, JUnit, JVM (memory/performance tuning, GC).
  • Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures.
  • Experience with React Native and React ecosystems (Hooks, Components, Context, Redux).
  • Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools.

Preferred Qualifications

  • Proficient in CI/CD systems (preferably GitHub Actions), git, and automation.
  • Skilled in observability and monitoring tools, such as DataDog.
  • 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.

Responsibilities

  • Implement various backend systems supporting all business features.
  • Develop and maintain services and integrations that power Flex products (e.g., Payment, Billing, Identity, partner integration).
  • Design, develop, test, and scale systems for great user and partner experiences.
  • Collaborate with product, design, and engineering peers to solve user problems.
  • Roll out changes to customers in an agile manner with small, frequent iterations.
  • Lead scoping, design, and implementation for APIs.
  • Drive production rollouts to completion with minimal oversight.

Company Information

Flex is a growth-stage, NYC-headquartered FinTech company creating the best rent payment experience. Our mission is to empower renters with flexibility over their most significant recurring expense. We have strong investor support and an enthusiastic user base. We are looking for motivated individuals to join our growing team.

Life at Flex

We believe a diverse team of intelligent, curious, determined, empathetic, and self-aware individuals is key to growing a successful company. Our HQ is in New York City, but we have employees located throughout the US.

Skills

Java
React
React Native
TypeScript
Backend Systems
APIs
Payment Systems
Billing Systems
Identity Management
Partner Integrations
System Design
System Scaling
Agile Development
Software Development

Flex

Comprehensive contract manufacturer for electronics

About Flex

Flex provides comprehensive electronics manufacturing services, originally starting with circuit board production for tech companies in Silicon Valley. The company automates its manufacturing processes to ensure reliability and cost-effectiveness, which has made it a trusted partner for various industries, including automotive, healthcare, and consumer electronics. Flex's services encompass design, engineering, manufacturing, and supply chain management, allowing businesses to outsource their production needs and focus on their core activities. A key differentiator for Flex is its subsidiary, Anord Mardix, which specializes in critical power solutions and custom products for clients with complex requirements. Additionally, Flex is dedicated to sustainability, aiming for a significant portion of its customers to adopt science-based emissions targets by 2025, reflecting its commitment to environmental responsibility.

Singapore, SingaporeHeadquarters
1969Year Founded
$200MTotal Funding
IPOCompany Stage
Industrial & Manufacturing, EnergyIndustries
10,001+Employees

Benefits

Health Insurance
Dental Insurance
Vision Insurance
401(k) Company Match
Company Equity
Unlimited Paid Time Off
Paid Holidays
Parental Leave
Profit Sharing

Risks

Integrating JetCool Technologies may lead to operational and cultural alignment challenges.
Partnership with Musashi Energy exposes Flex to risks of emerging technology failures.
Jamdeo joint venture faces competitive pressures in the smart TV and media streaming market.

Differentiation

Flex offers end-to-end manufacturing solutions, from design to supply chain services.
Anord Mardix, a Flex subsidiary, specializes in critical power solutions and custom offerings.
Flex's commitment to sustainability aligns with global efforts to combat climate change.

Upsides

Flex's acquisition of JetCool enhances its data center cooling solutions for AI servers.
Partnership with Musashi Energy boosts Flex's AI data center energy storage capabilities.
Flex's Zhuhai facility's AME Excellence Award highlights its world-class manufacturing standards.

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