Senior Software Engineer, Backend

Summary

Join Flex, a growing FinTech company in NYC, as a Software Engineer to build and maintain backend systems supporting our innovative rent payment platform. You will be part of a team responsible for services and integrations powering our products, including payment, billing, and identity. This role requires designing, developing, testing, and scaling systems for exceptional user and partner experiences. You will collaborate closely with product, design, and engineering teams, deploying changes in an agile manner. The ideal candidate possesses significant experience in Java and backend development, along with a proven ability to lead projects and drive production rollouts. Flex offers a competitive salary and comprehensive benefits package.

Requirements

• Minimum of 6 years experience in software engineering
• Minimum of 4 years experience with Java
• 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
• 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

• Implement various backend systems that support all business features
• 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
• Design, develop, test, and scale systems needed to deliver great user and partner experiences
• Work closely with your product, design and engineering peers to solve our users' most pressing problems around rent payment
• Roll out changes to our customers in an agile manner with a delivery cadence that favors small, frequent iterations
• Lead scoping, design and implementation for APIs
• Drive production rollouts to completion with minimum oversight

Preferred Qualifications

• 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

Benefits

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