Back End Developer (Columbus)

Sorry - NO C2C NO H1B!Engineer III — Backend / Platform EngineerThe search for a Senior Backend / Web Engineer has begun! Precise Resource, Inc., a leading privately held Woman Business Enterprise specializing in Executive Search and headhunting services for Fortune 500 clients across the United States, is seeking a technology professional to design, build, and support backend applications and web services.Our client is building a state-of-the-art platform that enables financial institutions to transition commercial banking relationships by automating account switching across receivables (AR), payaes (AP), and payroll systems. The platform integrates with external financial systems, processes transactional data, and supports workflows that require accuracy, auditability, and reliability.This platform automates complex account switching across receivables (AR), payables (AP), and payroll systems, integrating with external financial platforms while ensuring accuracy, auditability, and reliability in regulated environments.This is a senior-level engineering role for someone who can own and evolve core backend systems, operate in production environments, and make sound architectural decisions with minimal oversight.As an Engineer III, you will design, build, and scale backend systems that power critical financial workflows. You will take ownership of services end-to-end—from architecture through production—ensuring systems are performant, reliable, and maintainable over time.What You'll DoDesign and build scalable backend services and APIsOwn critical services end-to-end, including production performance and reliabilityLead technical design for complex features and platform enhancementsImprove system performance, scalability, and fault toleranceIdentify and resolve bottlenecks across application, database, and infrastructure layersDebug production issues and lead root cause analysis with permanent fixesContribute to CI/CD pipelines, deployment processes, and system observabilityImplement monitoring, logging, and alerting for production systemsSupport integrations with external financial systems and data sourcesContribute to AI/LLM-enabled workflow enhancements where applicableMentor junior engineers and elevate engineering standardsTechnical RequirementsStrong experience building and operating backend systems in production environmentsProven ability to diagnose and resolve performance and reliability issuesExperience designing and developing scalable APIsHands-on experience with Python-based backend developmentExperience with AWS (compute, storage, networking)Experience with relational and/or NoSQL databasesFamiliarity with CI/CD pipelines and deployment practicesExperience with monitoring, logging, and observability toolsCore Competencies:System performance and scalabilityReliability and fault toleranceRoot cause analysis and production supportData ResponsibilitiesDesign and maintain application-level database schemasOptimize indexing and data access patterns for performance(Note: This role does not include enterprise data architecture or analytics modeling.)Qualifications8+ years of backend software engineering experience.8 years with Python/Django + React/TypeScriptBackground in fintech, payments, banking, or SaaS platformsProven experience designing and supporting production systemsStrong track record of making sound technical and architectural decisionsExperience resolving complex production issues independentlyUnderstanding of API-led architecture (REST, JSON; SOAP/XML)Experience working in regulated environments (PCI, SOC2, etc.)