Join Flex as a Senior Software Engineer to enhance backend systems for a transformative rent payment platform.
Posted by employer 1 month ago
First seen on Joblaze 1 week ago
Last verified on the company career page 1 day ago
Skills & Technologies
Requirements
- Experience
- 6+ years
Not disclosed in this posting: visa sponsorship.
Benefits
Joblaze summary
In the role of Senior Software Engineer at Flex, the individual will focus on developing and maintaining backend systems that support various business features, including payment and billing services. Proficiency in Java and experience with AWS, REST APIs, and scalable architectures are essential for success in this position. This role is ideal for seasoned engineers with a strong background in software development who thrive in fast-paced environments and enjoy collaborating with cross-functional teams. Flex is a growth-stage FinTech company, emphasizing an inclusive culture and agile methodologies.
Joblaze insights
- Listed 9 days ago on Joblaze — tracked directly from Flex's career page.
- Flex has 52 other open roles including Lifecycle Marketing Manager, Director, Strategic Partnerships, Sales Development Representative II.
- 2727 active AWS roles on Joblaze right now.
- 1595 active Java roles on Joblaze right now.
- 136 active DynamoDB roles on Joblaze right now.
- Salary band is in line with the typical range for Backend roles (median ~$180,000).
- Pays more than 52% of the 1354 salaried AWS roles we track (median $170,000). See AWS salary trends
Quick facts
- Is the Senior Software Engineer, Backend FinPlatform role remote?
- It's hybrid — Flex expects some on-site time in Remote.
- What's the salary range?
- Flex lists $172,000–$215,000 for this role.
- How much experience is required?
- At least 6 years of relevant experience for this Senior Software Engineer, Backend FinPlatform role.
- Where is the role based?
- Flex is hiring for this position in Remote.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: AWS, Aurora RDS, DynamoDB, EKS, ElastiCache, Gradle.
- What seniority level is this role?
- Flex targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Engineer, Backend FinPlatform role at Flex.
From the original posting
Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?
About the role
Flex is looking for a Senior Software Engineer who will be responsible for implementing the various backend systems that support all business features.
In this role, you will 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. You’ll be designing, developing, testing, and scaling systems needed to deliver great user and partner experiences.
You’ll work closely with your product, design and engineering peers to solve our users' most pressing problems around rent payment. You’ll roll out changes to our customers in an agile manner with a delivery cadence that favors small, frequent iterations. The ideal candidate will be comfortable leading scoping, design and implementation for APIs they build and can drive their production rollouts to completion with minimum oversight.
A minimum of 4 years of experience with Java is required for this position.
Minimum Qualifications
- 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.
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.
Compensation
Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks.
Life at Flex
We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.
Offices
Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program.
Benefits
For full-time U.S. employees we offer:
- Competitive medical, dental, and vision
- Company equity
- 401(k) plan with company match
- Unlimited paid time off + 13 company paid holidays
- Parental leave
- Free Flex subscription
For full-time non-U.S. employees, we offer:
- Competitive compensation + company equity
- Unlimited PTO