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Senior Backend Engineer

Job in Decatur, Macon County, Illinois, 62523, USA
Listing for: Lasso
Full Time position
Listed on 2026-02-12
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Lasso is on a mission to secure the use of LLMs in the real world protecting data, privacy, and businesses from AI threats. From the first line of code to protecting real-world data, every decision matters. If you're ready to shape the future of AI security - we would love to hear from you!

As a Senior Backend Developer, you will play a crucial part in designing robust backend systems that power our state-of-the-art AI-driven security solutions. You’ll own the full development cycle, implement efficient APIs and microservices and ensure high-quality code through reviews and testing.

Responsibilities:

  • Implement efficient, reliable APIs and microservices with NodeJS/Typescript (NestJS) while ensuring best practices for a production environment running on AWS.
  • Design, develop and deploy scalable backend solutions for our AI-driven security platform.
  • Take ownership of all aspects of the development cycle, from idea, to design, and implementation including maintenance and monitoring
  • Participate in code reviews, provide insightful feedback to uphold code quality and adherence to coding standards.
  • Troubleshoot and debug complex backend issues, while employing rigorous testing methodologies to ensure system reliability.
  • Document system designs and implementation details to facilitate knowledge sharing and onboarding of new team members.
  • Collaborate with cross-functional teams - Product, QA and Data Science.
  • Stay updated about emerging technologies and industry trends, leveraging them to drive continuous innovation and improvement within our products.

Qualifications:

  • 5+ years of hands-on experience in backend development, with proficiency in building scalable and resilient production systems.
  • Expertise in backend technologies such as NodeJS/Typescript.
  • Working experience with SQL and No

    SQL databases (preferably document-based).
  • Demonstrated experience with building microservices (Kubernetes/ ECS).
  • Designing and developing RESTful APIs for a cloud-based infrastructure.
  • Familiarity working with CI/CD technologies like Github Actions
  • Ability to work independently and in a fast-paced environment.
  • Excellent team player with strong communication skills.

Nice to Have:

  • Familiarity with GenAI technologies.
Requirements Ready to join the lassoers?

Let's explore how we can lead to incredible things together. Submit your application today and let's make magic happen!

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Position Requirements
10+ Years work experience
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