We are looking for a strong candidate for a Backend Developer position (Mid to Senior Software Engineer) who will play a key role in transforming the client’s product architecture.

This engineer will collaborate with stakeholders to build new functionality, design systems, fix bugs, and continuously enhance the user experience. The ideal candidate is proactive, hands-on, and a team player with a strong sense of ownership and a drive to deliver high-quality results. They will be involved throughout the product lifecycle – from ideation and development to deployment and ongoing optimization.

Role Description/Summary

The primary purpose of this role is to design, build, and maintain backend services that power our financial transaction processing systems, with a focus on ACH processing and NACHA compliance.
Will be responsible for developing secure, scalable, and efficient services using Java/Kotlin/Spring in a microservice-based architecture running on Kubernetes.
Success in this role will be measured by:
Accuracy and timeliness of ACH transaction processing.
System stability, scalability, and uptime.
Compliance with NACHA, FedACH, and internal policies.
Reduction in transaction discrepancies and resolution turnaround time.

Key metrics for success of the project.

Time to on board
Cycle time
Story points achieved per sprint

Key Responsibilities

Lead the development and testing of the systems and services
Contribute to the technical architecture and design of the product
Translate product requirements into user stories and scalable technical solutions
Deliver reliable, scalable services in a production environment
Propose new ideas and contribute to innovation initiatives
Collaborate with project leads, product managers, and fellow engineers as well as functional (business and back office) teams
Participate in sprint planning, code review, development, backlog grooming
Will have to follow data security, compliance best practices

Requirements

Bachelor’s degree in Computer Science or a related field
3-4+ years of hands-on experience with Java or Kotlin and event-driven architecture
5-7+ years of programming experience, ideally with modern tech stacks
Experience with Kubernetes and service-oriented architectures (100+ services in production)
BE stack and database experience: Proficiency in Java/Kotlin/DynamoDB
Cloud platform experience:
AWS Temporal (nice to have)
CI/CD pipelines experience: gitlab
Background in building SOA or microservices-based applications
Strong sense of ownership and accountability, with a track record of seeing projects through from start to finish
Passion for solving complex problems and delivering impactful features
Comfortable working in a collaborative environment with code reviews and shared design processes
Agile environment
Testing experience required

The target hiring compensation range for this role is $60 to $67. Compensation is based on several factors including, but not limited to education, relevant work experience, relevant certifications, and location.

About Aquent Talent

_Aquent Talent connects the best talent in marketing, creative, and design with the world’s biggest brands.

Our eligible talent get access to amazing benefits like subsidized health, vision, and dental plans, paid sick leave, and retirement plans with a match. We also offer free online training through Aquent Gymnasium._ More information on our awesome benefits_!

_Aquent is an equal-opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics. _We’re about creating an inclusive environment—one where different backgrounds, experiences, and perspectives are valued, and everyone can contribute, grow their careers, and thrive.

_Client Description

Client Description:

Freelancing long-term with Aquent gets you access to some pretty cool things:

– You’re paid weekly

– Subsidized health and dental benefits after your first four weeks of work (averaging at least 20 hrs/wk)

– Paid Sick Leave for all US and Canada talent

– Access to Fidelity 401(k) with company match

– Access to FSA Program (pre-tax payment toward bus or train passes, etc.)

– Direct deposit for your paycheck

– Access to our Talent Rewards Program (we reward for referrals!)

– Access to free online courses via Aquent’s Gymnasium, to help you develop your skills: http://gymnasium.aquent.com/

– Aquent support: your Aquent Agent checks in with you during the course of your contract to make sure you’re happy and progressing according to your expectations (we’re also there to be looking for new opportunities for you when you’re close to wrapping up)