Software Engineer II, Backend Core Platform
Offer summary
Qualifications:
Minimum of 3 years experience in software engineering., Proficiency in Java and related frameworks like Spring., Experience with building scalable, fault-tolerant systems and APIs., Ability to work independently in a fast-paced, distributed team environment..Key responsibilities:
- Implement backend systems supporting business features.
- Design, develop, and test APIs and integrations.
- Collaborate with product, design, and engineering teams to solve user problems.
- Lead scoping, design, and deployment of software components.
Job description
Flex is a growthstage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2025 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 job
Flex is looking for a 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.
Minimum Qualifications - Minimum of 3 years experience in software engineering
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- Minimum of 3 years experience with Java
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- Ability to work on a globallydistributed team with a high degree of ownership
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- Experience working with technical and nontechnical stakeholders, successfully aligning and setting expectations on scope and delivery
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- Ability to grow in a fastpaced and dynamic environment that will challenge you to always bring your best
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- Experience building robust, faulttolerant systems with multiple external dependencies
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- Proficient in Java frameworks and tools used at Flex, including Spring (corewebboot), Gradle, JUnit, and JVM (memoryperformance tuning, GC).
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- Experience with ServiceOriented Architecture, REST APIs, Message Queues, and scalable architectures.
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- Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools.
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Preferred Qualifications - Proficient in CICD systems (preferably GitHub Actions), git, and automation.
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- Skilled in observability and monitoring tools, such as DataDog, to ensure high availability.
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- Proficient in Infrastructure as Code, using tools like CDK and Terraform.
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- Excellent written and verbal communicator, with experience in crossfunctional collaboration.
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The salary compensation range for this role will be commensurate with the candidates experience and Flexs internal leveling guidelines and benchmarks. - For working locations in NYNJCA, the base salary pay range will be $179,000$194,000
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- For all other states, the base salary pay range will be $161,000$175,000
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#LIRemote
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.
We offer many employee benefits. For full time, U.S. based employees we offer:
- Competitive pay
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- 100% companypaid medical, dental, and vision
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- 401(k) + company equity
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- Unlimited paid time off + 13 company paid holidays
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- Parental leave
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- Flex Cares Program: Nonprofit company match + pet adoption coverage
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- Free Flex subscription
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For full time nonUS employees, we offer
- Minimum of 3 years experience in software engineering
- Minimum of 3 years experience with Java
- Ability to work on a globallydistributed team with a high degree of ownership
- Experience working with technical and nontechnical stakeholders, successfully aligning and setting expectations on scope and delivery
- Ability to grow in a fastpaced and dynamic environment that will challenge you to always bring your best
- Experience building robust, faulttolerant systems with multiple external dependencies
- Proficient in Java frameworks and tools used at Flex, including Spring (corewebboot), Gradle, JUnit, and JVM (memoryperformance tuning, GC).
- Experience with ServiceOriented Architecture, REST APIs, Message Queues, and scalable architectures.
- Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools.
-
- Proficient in CICD systems (preferably GitHub Actions), git, and automation.
- Skilled in observability and monitoring tools, such as DataDog, to ensure high availability.
- Proficient in Infrastructure as Code, using tools like CDK and Terraform.
- Excellent written and verbal communicator, with experience in crossfunctional collaboration.
-
- For working locations in NYNJCA, the base salary pay range will be $179,000$194,000
- For all other states, the base salary pay range will be $161,000$175,000
-
- Competitive pay
- 100% companypaid medical, dental, and vision
- 401(k) + company equity
- Unlimited paid time off + 13 company paid holidays
- Parental leave
- Flex Cares Program: Nonprofit company match + pet adoption coverage
- Free Flex subscription
-
For full time nonUS employees, we offer
#LIRemote
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.
We offer many employee benefits. For full time, U.S. based employees we offer:
The salary compensation range for this role will be commensurate with the candidates experience and Flexs internal leveling guidelines and benchmarks.
Preferred Qualifications
Required profile
Experience
Other Skills
- Collaboration
- Communication
- Problem Solving
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