Sr Decision Services Developer

Advance America; Greenville (SC); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Competitive wages

401(k) match

Paid holidays

Tuition reimbursement

Business casual

Rewards program

Employee assistance

Downtown Greenville office

Job summary

Purpose Financial in Greenville seeks a senior software engineer to design, build, and operate Python services on AWS powering credit risk, fraud detection, and lending decisions.

You will drive API design, event‑driven architectures, and production reliability while collaborating with Data Science, Product, QA, and Engineering to deliver end‑to‑end solutions.

Qualifications

• Five+ years of software development experience with production Python
• Experience building AWS-based services (Lambda, API Gateway, EventBridge) and REST APIs
• Proficiency in SQL, data modeling, and CI/CD tooling

Responsibilities

• Drive design and implementation of event-driven, serverless Python services on AWS
• Build and operate production Python services and APIs for fraud detection and credit risk
• Collaborate with Data Science to integrate SageMaker hosting and inference
• Create automated pipelines for model deployment and real-time decisioning
• Ensure scalable, secure, and cost-efficient architectures with robust testing and observability
• Develop structured logging, metrics, tracing, and dashboards to monitor production systems
• Partner with Product and QA to translate business needs into technical designs
• Develop unit/integration/API tests with pytest and Postman
• Own incident response and production reliability improvements
• Assist QA in diagnosing defects and preventing regressions

Skills

Python

AWS

REST APIs

Serverless

Data integration

Education

Bachelor's degree in CS/IS or related field

Tools

AWS Lambda

API Gateway

EventBridge

SageMaker

Postman

Job description

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Purpose Financial, Inc. is an innovative consumer financial services company that offers a diverse suite of credit products, promoting financial inclusion and meeting consumers wherever they are. Through its brands, the company is committed to helping customers achieve their version of financial stability in the moment and in the future. Since 1997, Purpose Financial has been a pioneer in the consumer credit and financial services market offering money solutions in over 800 storefronts locations and online lending. Providing services in over 23 states, Purpose Financial employs over 2,500 team members.

At Purpose Financial we are always on the lookout for motivated individuals who share in our values of mutual respect to join our team of outstanding professionals.

We offer:

• Competitive Wages
• 401(k) Savings Plan with Company Match
• Company Paid Holidays
• Tuition Reimbursement
• Business Casual Environment
• Rewards & Recognition Program
• Employee Assistance Program
• Office in downtown Greenville that offers free parking, onsite gym, free snacks/drinks

Purpose Financial does not provide employment-based visa sponsorship or other immigration benefits for this position. Applicants must be legally authorized to work in the United States without requiring sponsorship now or at any time in the future. This includes current or anticipated sponsorship needs within the next 10 years, such as H-1B, E-3, TN, O-1, CPT, STEM OPT, or any work authorization that requires the Company to submit documentation to a government agency or be listed in government records as the applicant’s immigration employer of record. If, after an offer is made, it is determined that sponsorship is required, the offer will be rescinded, and the Company will be unable to proceed because sponsorship is unavailable for this role.
To learn more about Purpose Financial visit Purpose Financial Website .

Position Summary

This position reports to the Manager of Decision Science. This is a senior individual contributor who will design, build, and operate Python services on AWS that power credit risk, fraud detection, and lending decisions. This role drives technical design for APIs and event-driven, serverless applications using API Gateway, Lambda, EventBridge, and SageMaker. Working with Data Science, Product, QA, and Engineering, this position owns delivery from design and automated testing through deployment and production reliability. Other duties as assigned

Job Responsibility

• Drive technical design and implementation of event-driven, serverless applications using AWS API Gateway, Lambda, EventBridge, and related compute and integration services
• Design, build, and operate production Python services and APIs for fraud detection, credit risk decisioning, and third-party data integration
• Partner with data scientists to integrate Amazon SageMaker model hosting and inference and build automated pipelines for model endpoint deployment
• Integrate predictive models, business rules, and third-party data into real-time and batch decisioning workflows for loan applications and lead processing
• Design for scalability, security, and cost efficiency, with reliable timeout, retry, idempotency, and failure-handling strategies
• Write maintainable, well-documented Python with type annotations and automated tests; strengthen code quality through reviews, shared standards, and knowledge sharing
• Build structured logging, metrics, tracing, dashboards, and actionable alerts to monitor application performance and model behavior in production
• Partner with Product, Data Science, QA, and Engineering to translate business requirements into technical designs and communicate architectural tradeoffs
• Develop automated unit, integration, and API tests using pytest and appropriate API testing tools such as Postman
• Own technical troubleshooting and incident resolution; improve decisioning service reliability, performance, and production readiness
• Collaborate with QA to diagnose defects, validate fixes, and prevent regressions

Accountability: Understand, adhere to, and enforce all corporate policies.

Education Required

Bachelor's degree in Information Systems, Computer Science, Engineering, Mathematics, or a related field preferred; equivalent practical experience considered.

Experience Required

Five or more years of professional software development experience, including strong production Python expertise. Hands‑on experience building and operating AWS applications using services such as Lambda, API Gateway, and EventBridge. Experience designing REST APIs, third-party integrations, and event-driven or asynchronous workflows. Proficiency with SQL, relational databases, and data modeling. Experience with automated testing, Bitbucket, Git, CI/CD, and infrastructure as code. Ability to troubleshoot production systems using logs, metrics, and tracing. Preferred experience includes Amazon SageMaker hosting, inference, and deployment pipelines; NoSQL databases; high-volume, low-latency services; and financial services, fraud detection, credit risk, or underwriting.

Knowledge Required

Excellent written and verbal communications skills; adaptability and flexibility to changing environment; and comfortable working in a dynamic, high volume, fast-paced environment. Ability to understand and ensure compliance with policies, procedures, and laws governing our industry/business and products.

Strong problem-solving and communication skills, with the ability to own technical delivery and explain tradeoffs to technical and business partners. Knowledge of API contracts, validation, authentication, and versioning. Understanding of AWS security practices, including least‑privilege IAM, encryption, secrets management, and sensitive data protection. Ability to apply relevant policies, procedures, and industry regulations.

Physical Requirements

Sitting for long periods of time; standing occasionally; walking; bending; squatting; kneeling; pushing/pulling; reaching; twisting; frequent lifting of less than 10 lbs., occasional lifting of up to 20 lbs.; driving and having access during the workday to an insured and reliable transportation; typing; data entry; grasping; transferring items between hands and/or to another person or receptacle; use of office equipment to include computers; ability to travel to, be physically present at, and complete the physical requirements of the position at any assigned location.

Data Science

Problem Solving

Programming

Systems Integration

Technical Expertise

Travel

0%-10%

Attire

Business Casual

Other

Must be eligible to work in the USA and able to pass a background check.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or disability.

Nearest Major Market: Greenville
Nearest Secondary Market: South Carolina