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Backend Engineer Jobs in Delaware (NOW HIRING)

Cisco

Software Engineer, Backend

Dover, DE

$155K - $222K/yr

You will work with many different people within Engineering and throughout Cisco to help build the infrastructure and data pipelines to power their data-driven decisions. In this role you can expect ...

Net Orbit

Sr. Java Backend Developer

Wilmington, DE · On-site

$49 - $63.50/hr

Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience • Advanced knowledge and experience developing and working with relational databases such as Sybase ...

1 point system

Backend Java Developer

Newark, DE · On-site

$49.25 - $64/hr

Java/J2ee, Oracle Backend, WebSphere, Kafka, spring boot, OpenShift, containerization, Kubernetes Position Summary Senior Application Developer will be responsible/need to understanding business ...

Saransh Inc

Android Developer - Onsite

Wilmington, DE · On-site

$54 - $71/hr

Work with backend engineers to integrate mobile applications with backend services. * Troubleshoot and fix application bugs and issues. * Contribute to code reviews and provide constructive feedback.

Sarian, Inc.

Big Data, Hadoop Developer

Newark, DE · On-site

... engineer. * Advanced knowledge of the Hadoop ecosystem and its components. * In-depth knowledge of Hive, HBase, and Pig. * Familiarity with MapReduce and Pig Latin Scripts. * Knowledge of back-end ...

Dlapiper

Sr Aderant Engineer

Wilmington, DE · Hybrid

$101K - $139K/yr

Designs, develops, and maintains backend solutions, including advanced SQL queries, stored ... engineering. * Continuously identifies opportunities to improve system performance, data quality ...

Cisco

Senior Software Engineer, Backend

Dover, DE · On-site +1

$165K - $241K/yr

This popularity comes with large scalability challenges: our backend handles more than 10billionof ... Programming experience in Rust, Scala, Python. * Experience with observability tooling such ...

Mondo

Lead Software Engineer

Wilmington, DE · On-site

Required : • 10+ years of professional software engineering experience • Strong hands-on frontend engineering experience with React, TypeScript, and JavaScript • Strong backend engineering ...

Net Orbit

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience • Advanced knowledge and experience developing and working with relational databases such as Sybase ...

Donato Technologies, Inc

Java FSD

Wilmington, DE · On-site

$49.50 - $64/hr

An FSD/FSPE has an "end to end product" mindset - design, implementation, testing and deployment, and adds an additional skill (s) on top of traditional front/back-end developer role * Design and ...

BI-Commercial

Java FSD

Wilmington, DE · On-site

$49.50 - $64/hr

Java FSD with AWS An FSD/FSPE has an "end to end product" mindset - design, implementation, testing and deployment, and adds an additional skill (s) on top of traditional front/back-end developer ...

Hirekeyz Inc

Java FSD with AWS

Wilmington, DE · On-site

$49.50 - $64/hr

... back-end developer role Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices ...

Donato Technologies, Inc

Java FSD with AWS

Wilmington, DE · On-site

$49.50 - $64/hr

... back-end developer role Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices ...

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All JobsBackend Engineer JobsBackend Engineer Jobs in Delaware

Backend Engineer information

See Delaware salary details

$60.6K

$147.8K

$199.2K

How much do backend engineer jobs pay per year?

As of Jul 29, 2026, the average yearly pay for backend engineer in Delaware is $147,789.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,100.00 and $172,100.00 per year, depending on experience, location, and employer.

What are some common challenges Backend Engineers face when integrating new technologies into existing systems?

Backend Engineers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, maintaining data consistency, and minimizing service disruptions during deployment. They must carefully plan migrations, coordinate with frontend and DevOps teams, and implement thorough testing to avoid introducing bugs or security vulnerabilities. Effective communication and documentation are key to overcoming these challenges and ensuring a smooth transition.

What are the key skills and qualifications needed to thrive as a Backend Engineer, and why are they important?

To thrive as a Backend Engineer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of algorithms, and experience with databases, typically supported by a degree in computer science or related field. Familiarity with tools such as RESTful APIs, cloud platforms (e.g., AWS, Azure), version control systems (like Git), and containerization technologies (Docker, Kubernetes) is common. Problem-solving ability, attention to detail, and effective communication are vital soft skills for this role. These skills and qualities are essential for building robust, scalable systems and collaborating efficiently within development teams.

What is the difference between Backend Engineer vs Software Developer?

AspectBackend EngineerSoftware Developer
Primary FocusDesigning, building, and maintaining server-side applications and databasesDeveloping software across various layers, including frontend and backend
Skills & CertificationsProficiency in server-side languages (e.g., Java, Python), databases, APIsProficiency in multiple programming languages, software design, and sometimes frontend skills
Work EnvironmentTypically in backend teams, working on server infrastructure and APIsCan work on full-stack or specific areas; broader scope
Industry UsageCommon in tech companies, startups, and enterprises focusing on backend systemsWidespread across all software development sectors

While both roles involve coding and software development, Backend Engineers specialize in server-side logic, databases, and APIs, whereas Software Developers may work on both frontend and backend components. The roles often overlap, but Backend Engineers focus more on the infrastructure that powers applications.

What are Backend Engineers?

Backend Engineers are software developers who focus on building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They ensure that the data requested by the frontend systems is delivered efficiently and securely. Their work involves writing code in languages like Python, Java, or Node.js, integrating with databases, and optimizing the overall performance of applications. Backend Engineers also play a crucial role in ensuring data integrity and implementing security best practices.
More about Backend Engineer jobs
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What cities in Delaware are hiring for Backend Engineer jobs? Cities in Delaware with the most Backend Engineer job openings:
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Backend Engineer jobs near you
Infographic showing various Backend Engineer job openings in Delaware as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 6% Part Time, and 5% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $147,789 per year, or $71.1 per hour.

Java Backend Engineer || Willmington, DE || Contract Position

HighFalutin LLC

Wilmington, DE • On-site

$49 - $63.50/hr

Contractor

Re-posted 12 days ago

Job description

Job Title: Java Backend Engineer
Job Location: Wilmington DE
Look for Nearby candidates
Type: W2 Contract
Experience: 10+ years of relevant experience
Required skill:
  • Backend development, including Spring Boot Java-based API development
  • 602 level - 6- 7 years
  • AWS is plus- other cloud exp is ok
  • CI/CD - deployment in production
  • Relational database and NoSQL, like Cassandra.
  • Microservices design patterns
  • 60 % development, 30-40 % deployment or production.
  • SQL is okay as well, if not NoSQL.
  • Ok with other cloud exp