6; } tr th { background-color: #f5f5f5; } Salesforce Web Developer (Experience Cloud & Lightning Web Components) Location: Hybrid... ...and usability. Integrate Salesforce applications with backend services, REST APIs, a…
Engineering & IT · Jacksonville, FL
Backend Developer jobs in Jacksonville, FL
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.
63
Open roles today
$33–$86/hr
Typical pay range
$115k
Median, full-time
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Fresh in this list
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01
Open backend developer roles
11 shown of 63 · sorted by freshness
are seeking a highly motivated and analytical Senior/Advanced Developer to join a mission-critical project for the City of Jacksonville... ...Azure DevOps / TFS). Required Experience & Qualifications: Backend: Proficient…
care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been describ…
role involves building automated test frameworks for UI, API, and backend, leading the automation strategy, integrating tests into CI/CD, and ensuring product quality through metric reporting and collaboration with Produ…
$158k - $198k
such as MS Office and flowcharting tools like Visio. We need experience using debugging tools. Responsibilities: We design, develop, and operate systems that store and manage large volumes of data. We write code for mode…
$120k - $150k
You lead by doing. You write and review production code, architect scalable solutions, define development standards, and mentor developers to grow in their craft. You are the bridge between technical execution and produc…
values, throttling/rate limiting, IP filtering, versions/revisions, developer portal, and API lifecycle management. Logic Apps Standard... ...and System APIs to reduce point-to-point coupling and isolate backend change.…
$105k - $140k
Speechify in a 100% distributed setting. These include frontend and backend engineers, AI research scientists, and others from Amazon,... ...Engineers to ensure a seamless handoff from sale to onboarding Develop GTM play…
$170 per hour
Job Title: Salesforce Web Developer Location: Jacksonville, Florida Type: Contract To Hire Responsibilities Develop Salesforce... ...responsive user interfaces Collaborate with frontend and backend developers, Salesforce…
Job Description Job Description (Full stack) Java/react Developer - Remote ARC Group has an immediate opportunity for a(Full stack) Java/react Developer! This position is 100% remote. This is starting out as a contract p…
more intelligent parsing by designing more efficient abstractions and improving our algorithms Ship cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. Yo…
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What backend developers earn in Jacksonville
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $33–$45 | $68k–$94k |
| Mid level | $45–$65 | $94k–$136k |
| Senior | $63–$86 | $132k–$179k |
Adjusted for the Jacksonville 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
01
Junior Backend Developer
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Backend Developer
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Senior Backend Developer
04
Staff Engineer
05
Principal Engineer
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