Senior Software Engineer – Backend

ZipLiens

. Own third-party integrations end to end and build platform abstractions that make new integrations faster to implement .

Posted 9/24/2026full-timeFranklin • Tennessee • United StatesSenior💰 $136,000 - $184,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and maintaining backend systems, integrating third-party APIs, and operating ML/LLM systems for document processing. Strong focus on mentoring engineers and implementing security practices for sensitive data.

Highest-signal resume keywords

Python/Django DevelopmentAPI Design and IntegrationAWS (EKS/EC2, RDS, S3)ML/LLM Systems EvaluationSQL and PostgreSQL Optimization

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Backend DevelopmentAPI DevelopmentMachine LearningData Processing WorkflowsQuery OptimizationSchema DesignIntegration MaintenanceAutomationCode ReviewDocument Processing

Soft Skills

MentoringCommunication

Tools & Technologies

AWSDjangoPostgreSQLKubernetesReactJavaScript

Industry Keywords

Sensitive Data HandlingHIPAA ComplianceUnstructured Data ExtractionThird-Party IntegrationsTechnical Contracts

Tech Stack

Tools & technologies

AWSDjangoEC2JavaScriptKubernetesLaravelNode.jsPostgresPythonReactRuby on RailsSQL

About the role

Key responsibilities & impact

Own third-party integrations end to end and build platform abstractions that make new integrations faster to implement
Work with counterparties’ technical teams to define contracts, handle data formats, and reduce integration maintenance debt
Build and operate ML/LLM systems that extract structure from medical records, lien correspondence, and other unstructured documents
Evaluate and monitor ML/LLM systems to assess their effectiveness
Refactor and decompose monolithic services into independently scalable systems
Operate live services and troubleshoot production issues
Mentor mid-level engineers and set standards through code review
Build and maintain backend services and data-processing workflows over large datasets
Automate manual processes
Implement security practices for sensitive legal and medical data
Translate internal stakeholder business needs into technical solutions

Requirements

What you’ll need

6+ years of software development experience building and maintaining backend systems in production
Significant experience with Python/Django or a comparable framework (Node.js, Rails, Laravel)
Experience designing and building APIs consumed by other teams or external parties
Experience integrating third-party or partner APIs, especially with inconsistent data and incomplete documentation
Hands-on AWS experience with EKS/EC2, RDS, S3, and queueing (SQS or similar)
Strong SQL and PostgreSQL, including query optimization and schema design against large tables
Hands-on experience with LLM or ML features, including prompting, evaluation, and failure analysis
Experience using or experimenting with agentic coding tools
Experience mentoring engineers and raising standards on a growing team
Excellent written and verbal communication
Experience with document processing or extraction from unstructured data (nice to have)
Working knowledge of React and JavaScript (nice to have)
Familiarity with Kubernetes (nice to have)
Experience handling sensitive data such as PHI or working under HIPAA-style requirements (nice to have)

Benefits

Comp & perks

Private Health Care Plan (Medical, Dental & Vision)
Company HSA contributions for HDHP participants
Flexible Spending Accounts (Health & Dependent Care)
Company-Paid Short-Term Disability Coverage
Voluntary Long-Term Disability, Life, AD&D, and Supplemental Coverage Options
401(k) Plan with Company Match
Paid Time Off (Vacation, Sick Time & 10 paid Holidays)
Parental Leave
Discretionary quarterly bonus opportunity