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Senior Software Engineer, Backend

Flex

$197,000 - $213,000
Jun 10, 2025
New York, NY, US
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Flex is looking to improve the rent payment experience by implementing backend systems that support business features.

Requirements

  • Minimum of 4 years experience with Java
  • Experience working with technical and non-technical stakeholders
  • Experience building robust, fault-tolerant systems with multiple external dependencies
  • Experience designing, building, and maintaining data pipelines
  • 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 AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools

Responsibilities

  • Designing, developing, testing, and scaling systems needed to deliver great user and partner experiences
  • Implementing backend systems that support business features
  • Leading scoping, design and implementation for APIs
  • Driving production rollouts to completion with minimum oversight
  • Building robust, fault-tolerant systems with multiple external dependencies
  • Designing, building, and maintaining data pipelines

Other

  • Ability to work on a globally-distributed team with a high degree of ownership
  • Ability to grow in a fast-paced and dynamic environment
  • Excellent written and verbal communicator, with experience in cross-functional collaboration
  • Minimum of 6 years experience in software engineering
  • Hybrid position with on-site expectations of 3 days per week in our New York Headquarters (Union Square)
  • Relocation assistance program available for candidates outside of the NY/NJ area