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Senior Java Backend Developer Jobs in Oaklyn, NJ

TMS

Full Stack Java Developer

Fort Washington, PA · On-site

$65 - $70/hr

Job Title: Senior Software Engineer (Java Full Stack) Location: Fort Washington, PA (Hybrid ... HTML5, CSS3, JavaScript/TypeScript - Experience with backend development using Java, Spring Boot ...

RIT Solutions, Inc.

API/Backend Engineer

Malvern, PA · On-site

... DevOps model. • Contribute to the ongoing modernization of legacy components across various ... Required : • Expert proficiency in Java and Spring Boot for API development. • Extensive, hands ...

RIT Solutions, Inc.

API Backend Engineer

Malvern, PA · On-site

... DevOps model. • Contribute to the ongoing modernization of legacy components across various ... Required : • Expert proficiency in Java and Spring Boot for API development. • Extensive, hands ...

Forhyre

Consultant NodeJs with AWS (cloud)

Philadelphia, PA · On-site

$51.75 - $66.75/hr

The ideal candidate will have a minimum of 8 years of professional experience as an UI Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of profiles. As a ...

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Senior Java Backend Developer information

See Oaklyn, NJ salary details

$64.8K

$141.6K

$192.9K

How much do senior java backend developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for senior java backend developer in Oaklyn, NJ is $141,620.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,000.00 and $158,500.00 per year, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What job categories do people searching Senior Java Backend Developer jobs in Oaklyn, NJ look for?

The top searched job categories for Senior Java Backend Developer jobs in Oaklyn, NJ are:

What cities near Oaklyn, NJ are hiring for Senior Java Backend Developer jobs?

Cities near Oaklyn, NJ with the most Senior Java Backend Developer job openings:

Senior Java Backend Developer jobs near you

Senior Software Engineer, Backend

Perpay - Career's Page

Philadelphia, PA • On-site

$160K/yr

Full-time

Re-posted 27 days ago

Job description

About the Role:

We are looking for senior backend engineers passionate about backend technology, excellent user experience and system reliability. The ideal candidate has helped lead the technical design and implementation of backend features on at least one sizable production application within the past year. A senior backend engineer at Perpay will spend their time writing code, reviewing PRs, mentoring engineers, and helping scope & design new features. We are looking for people who can bring backend technical expertise to push our technology forward - whether it's hosting a lunch-and-learn on a new backend technology or directing a large refactor. We value engineers who demonstrate excitement around solving tough problems and delivering solutions in a fast-paced environment.

Much of our team is fullstack, so we look for team members excited to learn new technologies and work across all stacks, even if it's not something you've done before! Our tech stack: Javascript, React, React Native, Redux, Python, Django, Flask, Kubernetes, AWS, Docker and more.

Our greatest strength is our people and we'd love for you to be one of them!

Responsibilities:
  • Design and evolve RESTful APIs used by our frontend and internal systems
  • Own data modeling decisions across our relational databases with an eye toward performance and maintainability
  • Improve reliability, observability, and operational excellence of our backend systems (metrics, logging, tracing, alerting)
  • Participate in architectural decisions around service boundaries, asynchronous workflows, and distributed system tradeoffs
  • Diagnose and resolve production issues across multiple services
  • Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and system stability
  • Partner with product and stakeholders to translate complex business rules into maintainable backend systems
What You'll Bring
  • 5+ years of experience building web applications at scale in at least one modern language / framework (e.g. Python/Django, Rails, etc.)
  • 2+ years of experience leading technical teams and large, complex projects
  • Deep understanding of relational databases (e.g., Postgres), query optimization, indexing strategies, and schema evolution
  • Experience operating production systems in a large cloud provider (e.g. AWS)Familiarity with containerized environments (Docker) and orchestration systems (Kubernetes)
  • Experience with background job systems and message queues (e.g. Celery)
  • Working knowledge of caching strategies (e.g. Redis)
  • Experience with monitoring/observability tooling (e.g. Datadog, CloudWatch)
  • Strong understanding of system reliability, failure modes, and operational tradeoffs
  • Ability to communicate complex system behavior clearly to non-technical stakeholders
  • A solutions-oriented mindset, willing to step outside your primary domain to unblock teammates and ensure successful delivery

NYC-level total cash-comp (base $160k into the $200's, plus equity and a discretionary cash bonus)

We know not everybody checks all the boxes, so if you're interested, please apply because you could be just what we're looking for!

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