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. Collaborate with product, design, and engineering teams to solve user problems and deliver frequent, small iterations. This role requires a minimum of 6 years of software engineering experience and 4 years with Java. You will work with various technologies including Spring, AWS, and data pipelines. Flex offers competitive pay, comprehensive benefits, and a dynamic work environment.

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 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