Backend Software Engineer

Software Engineer – Backend Company: TestSprite Location: Seattle, WA / Bellevue, WA (Hybrid) Employment Type: Full-time Experience Level: Mid-level (3-4 years) Education: Bachelor’s degree Salary: $8,000–$15,000/month About TestSprite TestSprite is the simplest AI end-to-end software testing agent for resource-limited teams needing confidence in their GenAI-coded software. We manage the entire test process for both frontend and backend—from generating test cases to writing testing code, to diagnosing issues, and even proposing fixes. TestSprite constructs and executes comprehensive test plans, managing the coding and analysis—requiring developers to provide only minimal input, such as the object itself and relevant documentation. No need to specialize in testing: No more test design, scripting or maintaining step-by-step instructions. Eliminate the risk of missed corner cases, compliance rules, or security issues. Ensure confidence in your code. About the Role We are looking for a backend-focused engineer to help us scale. You will design, build, and operate backend services and APIs that power AI-driven test generation and execution. Responsibilities Design, build, and operate backend services and APIs that power AI-driven test generation and execution.Own projects end-to-end: architecture, implementation, observability, and iterative improvements.Optimize data flows, queues, and storage for performance and reliability.Harden security, auth, and multi-tenant controls across our platform.Collaborate with founders and product to translate customer needs into shippable software.Raise the bar on code quality through reviews, testing, and documentation.Requirements 5+ years of professional software engineering experience (backend-heavy).Cloud experience (required) — AWS preferred (e.g., Lambda/ECS, API Gateway, DynamoDB/Postgres, S3, CloudWatch).Strong proficiency in one or more backend languages (e.g., Python, TypeScript/Node, Go) and modern API design (REST/GraphQL).Understanding of distributed systems, reliability, and observability (tracing, metrics, logging).Comfortable with containers, CI/CD, and infrastructure-as-code (Docker, Terraform/CDK, etc.).Ability to communicate clearly, ship pragmatically, and enjoy fast iteration with real users.Nice to Have AI application development experience (LLM tooling, prompt/agent orchestration, vector search, model evaluation).Background in developer tools, testing frameworks (e.g., Playwright), or security-minded systems design.Tech Stack Python + TypeScript/NodeAWS (Lambda/ECS, API Gateway, DynamoDB/Postgres, S3, CloudWatch)Docker, IaC, CI/CDPlaywright, modern observability toolingBenefits Meaningful ownership and impact on a product used by engineering teams.Tight-knit, high-agency culture with fast feedback loops.Competitive compensation with equity, benefits, and hardware support.Hybrid rhythm that balances focus time with in-person collaboration.How to Apply Send your resume (and links to GitHub/portfolio if available) with a short intro to hiring@testsprite.com. Please tell us about a backend system you’ve owned end-to-end—what you built, why you chose the architecture, and what you’d do differently now.