Engineering & IT · St. Louis, MO

Backend Developer jobs in St. Louis, MO

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.

58
Open roles today
$32–$84/hr
Typical pay range
$113k
Median, full-time
8
Fresh in this list

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01

Open backend developer roles

11 shown of 58 · sorted by freshness

Backend Software Engineer

Boeing · Saint Louis, MO · Full-time
$126.65k - $217.35k

Special Program Access. You should have at least 5 years of backend software development experience with technologies such as Java... ...Kafka, NiFi, Redis, or RabbitMQ is preferred. Experience developing RESTful APIs fo…

Posted yesterday
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Journeyman Full Stack Developer - St. Louis

Leidos · Saint Louis, MO · Full-time
$69.55k - $125.73k

Responsibilities: Maintain maritime systems software through adaptive, corrective, preventive, and perfective maintenance. Design, develop, and automate testing of software modules using established practices and pattern…

Posted yesterday
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Journeyman Full Stack Engineer

Leidos · Saint Louis, MO · Full-time
$69.55k - $125.73k

after hire. Preferred: proficiency in AWS/cloud technologies and experience with cloud-based architecture. Responsibilities: Develop, maintain, integrate, deploy, and sustain aeronautical systems software. Perform adapti…

Posted yesterday
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Senior Software Engineer (Modern .NET)

Computer Information Concepts · Saint Louis, MO · Full-time
$120k - $160k

Modern .NET), you will play a key role in building new web-based ERP products for county and city governments. This is a senior, backend- focused individual contributor role with meaningful ownership and influence. You w…

Posted yesterday
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Software Engineer (Full-Stack Web)

Computer Information Concepts · Saint Louis, MO · Full-time
$100k - $140k

collaborating effectively across product design and engineering, and developing a strong understanding of both the customer workflow and the... ...Our frontend follows a feature-oriented structure, while our backend uses…

Posted yesterday
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ServiceNow Developer

KForce · Saint Louis, MO
$58 - $63 per hour

DescriptionKforce has a client that is seeking a ServiceNow Developer in Saint Louis, MO.Summary:We are seeking an experienced ServiceNow professional to support the development, enhancement, and ongoing optimization of…

Posted 3d ago
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Lead Full-Stack .NET / Angular Engineer

Stellar IT Solutions LLC · Saint Louis, MO

Key Responsibilities Lead technical design and development of enterprise applications using C#/.NET and Angular . Develop scalable REST APIs, microservices, and multi-tenant applications . Work with Angular, TypeScript,…

Posted 2w ago
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$88.2k - $198k

sessions and technical workshops with stakeholders. • Design and develop cloud native applications using modern application development frameworks and services. • Design and implement scalable backend services, APIs, and…

Posted 2w ago
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OCP Networking Architect

TechBiz Global GmbH · Saint Louis, MO · Full-time

customers' requirements and the highest quality standards. As part of this, you will work with all the stakeholders, from architects and Backend Leads to customers, understanding their requirements and supporting them, g…

Posted 3w ago
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02

What backend developers earn in St. Louis

Hourly first — that's how the offer arrives

ExperienceHourlyAnnual, full-time
Entry level $32–$44 $66k–$92k
Mid level $44–$64 $92k–$133k
Senior $62–$84 $129k–$175k

Adjusted for the St. Louis market from national ranges.

03

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
04

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.

05

Resume tips that move the needle

For backend developers specifically — generic advice costs you here

01

State scale where you can: requests per second, data volume, or number of services — it is the fastest way to signal seniority.

02

Name the databases and infrastructure you ran in production, not just languages.

03

Describe reliability work — migrations without downtime, incident reduction, test coverage on critical paths.

04

If you designed an API others consume, say so and note how many teams or clients depend on it.

05

Avoid listing every framework you have touched; two stacks with depth read better than eight without.

06

Where this role goes

Typical progression

01 Junior Backend Developer
02 Backend Developer
03 Senior Backend Developer
04 Staff Engineer
05 Principal Engineer
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