Senior Software Engineer - Backend, APIs & Scalable Systems

Koda North; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Koda North is seeking a Senior Software Developer to design, build, and improve reliable software systems for US-based clients. You will own complex features, backend services, APIs, databases, and integrations, guiding work from requirements through release and maintenance.

The ideal candidate has strong fundamentals, hands-on Python and Java experience, and the judgment to build secure, scalable, and maintainable systems used in real-world applications.

Qualifications

• 8+ years of professional software development experience.

Responsibilities

• Own the design, development, and delivery of complex software features and systems.
• Architect and build reliable backend services, APIs, data models, and integrations.
• Develop and maintain production web applications across backend and frontend layers.
• Make practical technical decisions around scalability, security, reliability, and maintainability.
• Translate business requirements into clear technical plans and production-ready solutions.
• Improve existing systems through refactoring, performance tuning, and architectural cleanup.
• Review code, guide implementation quality, and help raise engineering standards.
• Debug complex issues across application code, APIs, databases, infrastructure, and production logs.
• Collaborate with product, design, engineering, and client-facing teams to define realistic delivery plans.
• Support production releases, incident resolution, monitoring, and continuous system improvement.
• Document key technical decisions, system behavior, and implementation details.
• Identify technical risks early and recommend thoughtful, business-aware solutions.

Skills

Backend development

REST APIs

System design

Data modeling

PostgreSQL

MySQL

Java

Python

TypeScript

Git

Security

Production reliability

Tools

Django

FastAPI

Spring Boot

AWS

Docker

CI/CD

Job description

Koda North is seeking a Senior Software Developer to design, build, and improve reliable software systems for US-based clients. You will own complex features, backend services, APIs, databases, and integrations, guiding work from requirements through release and maintenance.

The ideal candidate has strong fundamentals, hands-on Python and Java experience, and the judgment to build secure, scalable, and maintainable systems used in real-world applications.