Sr Decision Services Developer

Purpose Financial; Greenville (SC); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Competitive wages

Health/Life benefits

401(k) with company match

Paid parental leave

Paid time off

Tuition reimbursement

Downtown Greenville office with free

Free parking

Onsite gym

Free snacks/drinks

Job summary

Purpose Financial seeks a senior software engineer to design, build, and operate Python services on AWS powering credit risk, fraud detection, and lending decisions. You will own API design, event-driven serverless architectures, and deployment pipelines from design to production reliability.

Collaborate across Data Science, Product, QA, and Engineering; develop automated tests, maintain logging, and ensure scalable, secure systems with cost-conscious design.

Qualifications

• Five+ years in professional software development.
• Strong Python production experience.
• Experience with AWS Lambda, API Gateway, and EventBridge.
• REST API design and third-party integrations.
• SQL and data modeling proficiency.
• Automated testing, CI/CD, and infrastructure as code.
• Experience in financial services or fraud detection preferred.

Responsibilities

• Design and implement serverless Python services on AWS.
• Build APIs for fraud detection and credit risk decisioning.
• Integrate SageMaker hosting and inference.
• Develop data pipelines and real-time decisioning workflows.
• Ensure scalability, security, and cost efficiency.
• Write tests and maintain code quality with reviews.
• Collaborate with Product, QA, Data Science, and Engineering.
• Monitor production with logging, metrics, and alerts.

Skills

Python programming

AWS

REST APIs

CI/CD

SQL

Testing

Security best practices

Education

BS in CS/IS/Engineering

Tools

Bitbucket

Git

CI/CD tools

Job description

Brand: Purpose Financial

Address: 322 Rhett Street, Greenville, South Carolina, United States - 29601

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
• Health/Life Benefits
• Health Savings Account plus Employer Seed
• 401(k) Savings Plan with Company Match
• Paid Parental Leave
• Company Paid Holidays
• Paid Time Off including Volunteer Time
• 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

Architecture & Development

• 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.

Competencies

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.