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Backend Engineer Java Jobs in Portsmouth, NH (NOW HIRING)

CYNET SYSTEMS

Java AWS Developer

Portsmouth, NH · On-site

$55/hr

... Java concepts and principles, with the ability to effectively utilize object-oriented programming ... back-end systems. * Understanding of unit testing and test-driven development (TDD) principles ...

Nubble Site Solutions

Android Software Developer

York, ME · On-site

$50K - $100K/yr

In this role you will be working closely with our Lead Software Developer and assisting with ... Preferred experience in Kotlin or Java, and preferred knowledge of at least one backend language ...

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Backend Engineer Java information

See Portsmouth, NH salary details

$10

$55

$74

How much do backend engineer java jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for backend engineer java in Portsmouth, NH is $55.67, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.18 per hour, depending on experience, location, and employer.

What does a backend engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

What are the key skills and qualifications needed to thrive as a backend engineer Java?

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a backend engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.

What is the difference between Backend Engineer Java vs Backend Developer Java?

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

What cities near Portsmouth, NH are hiring for Backend Engineer Java jobs?

Cities near Portsmouth, NH with the most Backend Engineer Java job openings:

Backend Engineer Java jobs near you

Java AWS Developer

CYNET SYSTEMS

Portsmouth, NH • On-site

$55/hr

Contractor

Re-posted 10 days ago

Job description

Job Overview:

  • Understand IoC principles.
  • Ability to explain not only how data structures are appropriately used but also the underlying building blocks of data structures (HashMaps, Sets, etc.).
  • Understand the key lifecycle events for Java beans.
  • Understand the lifecycle and key hooks for Spring Boot.
  • Proficiency in core Java concepts and principles, with the ability to effectively utilize object-oriented programming and design patterns.
  • Solid grasp of the Spring Framework, particularly in areas such as dependency injection and application lifecycle management.
  • Familiarity with key data structures and algorithms to facilitate efficient problem-solving in software development.
  • Ability to articulate and apply best practices in software architecture and design within the Spring ecosystem.
  • Experience with RESTful API design and implementation, ensuring seamless integration between front-end and back-end systems.
  • Understanding of unit testing and test-driven development (TDD) principles, with experience using frameworks such as JUnit and Mockito.
  • Knowledge of version control systems, particularly Git, for effective collaboration and code management.
  • Awareness of performance optimization techniques and tools for Java applications, including profiling and debugging practices.
  • Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes) for deploying and managing applications in cloud environments.
 

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
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About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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