Senior Software Engineer, Backend

Summary

Join Flex, a NYC-based FinTech company revolutionizing rent payments, as a Software Engineer. You will be a key member of the backend engineering team, responsible for designing, developing, testing, and scaling systems for payment, billing, identity, and partner integrations. This role requires close collaboration with product, design, and engineering teams to solve user problems related to rent payments. You will implement changes using an agile methodology, focusing on small, frequent iterations. The ideal candidate possesses significant experience in Java and building robust, scalable systems. Flex offers a dynamic work environment and a comprehensive benefits package.

Requirements

• Minimum of 6 years of experience in software engineering
• Minimum of 4 years of 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 supporting all business features
• Be responsible for services and integrations powering products (Payment, Billing, Identity, partner integration, etc.)
• Design, develop, test, and scale systems to deliver great user and partner experiences
• Work closely with product, design, and engineering peers to solve users' problems around rent payment
• Roll out changes to customers in an agile manner with a delivery cadence favoring small, frequent iterations
• Lead scoping, design, and implementation for APIs and 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