COMPANY INFORMATION: Established in 1986, ATS Companies is the leading provider of energy management services, automated control systems, critical airflow solutions, and building systems integration. We aim to be the mar…
Engineering & IT · Louisville, KY
Backend Developer jobs in Louisville, KY
Backend developers build the server-side logic, APIs, and data layers that applications run on. The job is designing services that stay correct, fast, and secure as usage grows.
14
Open roles today
$32–$83/hr
Typical pay range
$111k
Median, full-time
4
Fresh in this list
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01
Open backend developer roles
8 shown of 14 · sorted by freshness
$106.9k - $147k
platforms across the enterprise. This position is ideal for a developer who enjoys working on complex systems, building full-stack applications... ..., TypeScript, and state management frameworksDevelop scalable backend…
$129.3k - $177.8k
application development, automation engineering, platform engineering, or enterprise systems integration.2+ years of hands-on experience developing AI/ML, generative AI, intelligent automation, or advanced automation sol…
$118.7k - $243.7k
Technology US (DT - US) helps power Deloitte’s success, which serves many of the world’s largest, most respected organizations. We develop and deploy cutting-edge internal and go-to-market solutions that help Deloitte op…
and automated testing for applications and data processes. Develop and execute detailed test plans, test cases, and test scripts.... ...and Oracle environments. Write complex SQL queries for backend and database validati…
For immediate consideration, please connect with me on LinkedIn at and then email your resume, work authorization status, current location, availability, and compensation expectations directly to ****@*****.*** - make su…
REACH Alert is seeking a self-directed part-time Web/App Developer with a passion for technology, collaboration, and creative problem-solving. The intern will actively contribute to meaningful projects and work closely w…
$70k - $80k
Execution: Collaborate with internal teams to ensure digital marketing campaigns are executed efficiently and effectively. Provide backend support through data analysis, platform management, and performance monitoring. #…
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What backend developers earn in Louisville
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $32–$44 | $66k–$91k |
| Mid level | $44–$63 | $91k–$132k |
| Senior | $61–$83 | $127k–$173k |
Adjusted for the Louisville market from national ranges.
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What employers ask for
The skills these listings keep naming
A server language (Java, Go, Python, C#)API design (REST, gRPC)SQL and schema designCaching and queuesAuthentication and securityDistributed systems basicsDocker and CI/CDObservability and logging
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Interview questions worth rehearsing
With the thing the interviewer is actually listening for
Design an API for a feature like comments or notifications.
Clarify requirements, then cover endpoints, data model, pagination, and error handling. Mentioning versioning and rate limits shows production experience.
How would you find and fix a slow database query?
Walk through reading the query plan, checking indexes, and considering caching or denormalization. Ground it in a query you actually fixed.
How do you keep two services consistent when both need to update data?
Discuss transactions, idempotency, and eventual consistency with outbox or saga patterns. Acknowledge tradeoffs rather than promising perfect consistency.
What do you monitor on a service you own?
Name the basics — latency, error rate, saturation — plus business-level signals. Bonus points for talking about alerts you tuned to reduce noise.
Tell me about a production incident you handled.
Structure it: detection, mitigation, root cause, prevention. Emphasize what changed afterward, not just the firefight.
How do you approach securing an API?
Cover authentication, authorization, input validation, and secrets handling. Naming OWASP-style risks concretely is enough; you are not expected to be a security engineer.
When would you choose a message queue over a direct call?
Talk about decoupling, retries, and absorbing spikes, and be honest about the added complexity of async debugging.
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Resume tips that move the needle
For backend developers specifically — generic advice costs you here
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State scale where you can: requests per second, data volume, or number of services — it is the fastest way to signal seniority.
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Name the databases and infrastructure you ran in production, not just languages.
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Describe reliability work — migrations without downtime, incident reduction, test coverage on critical paths.
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If you designed an API others consume, say so and note how many teams or clients depend on it.
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Avoid listing every framework you have touched; two stacks with depth read better than eight without.
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Where this role goes
Typical progression
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Junior Backend Developer
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Backend Developer
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Senior Backend Developer
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Staff Engineer
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Principal Engineer
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