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Sr Java Engineer Jobs in Colorado (NOW HIRING)

Sysazzle

Application Developer IV

Denver, CO · On-site

Senior Java Developer We are seeking a Senior Java Developer who will be responsible for designing and developing the middle tier for a software as a service based application. Candidate will also be ...

Raytheon

Senior Java Software Engineer (Onsite)

Aurora, CO · On-site

$126K - $167K/yr

The Senior Java Software Engineer will design, develop, and test Java applications for Satellite Ground Systems, collaborating with engineers to deliver high-performance software solutions.

Quantix

Java Engineer (Big Data)

Denver, CO

$57.50 - $76/hr

Java Engineer (Big Data) Location: Denver, CO Type: Direct Hire Client located in Denver, Colorado ... Required Skills: 1) Senior level Java. 2) Algorithm development. 3) Big Data experience. Desired ...

Dellfor Technologies

senior java developer

Denver, CO

$59 - $75.25/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Dellfor Technologies

senior java developer

Denver, CO

$59 - $75.25/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Excelacom

Lead Java Developer

Colorado Springs, CO · On-site

Seeking a Lead / Senior Java Developer with 8+ years of experience who can provide technical leadership, architecture guidance, and hands-on Java development support for applications and projects ...

Quantix

Java Engineer (Big Data)

Denver, CO · On-site

$57.50 - $76/hr

They are seeking a Java Engineer with a Big Data focus to join a team of developers and work on ... Required : • Senior level Java • Algorithm development • Big Data experience Preferred : • ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO · On-site

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO · On-site

$150K - $250K/yr

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO

$52.50 - $72.25/hr

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

PNC Bank

Software Engineer Sr (Java)

Arvada, CO

$86K - $158K/yr

As a Software Engineer Sr within PNC's Technology organization, you will be based in Pittsburgh, PA, Cleveland, OH, Dallas, TX, Birmingham, AL, Denver, CO. We are looking for full stack Java ...

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All JobsSr Java Engineer JobsSr Java Engineer Jobs in Colorado

Sr Java Engineer information

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

To thrive as a Sr Java Engineer, you need advanced expertise in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, usually supported by a degree in computer science or related field. Familiarity with development tools such as Maven, Git, CI/CD pipelines, and cloud platforms like AWS or Azure is typically required. Strong problem-solving abilities, effective communication, and leadership skills set top performers apart in this role. These skills and qualifications are crucial for delivering robust, scalable software solutions and leading technical teams efficiently.

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

AspectSr Java EngineerJava Developer
Required CredentialsBachelor's in CS or related, often with certifications like Oracle Java CertificationBachelor's in CS or related, similar certifications
Work EnvironmentTeam projects, software development, system architectureApplication coding, feature development, bug fixing
Industry UsageUsed across tech companies, finance, healthcare, and moreCommon in software firms, startups, and enterprise applications

While both roles involve Java programming, Sr Java Engineers typically have more experience, handle complex system design, and mentor junior developers. Java Developers focus on coding and implementing features. The roles often overlap, but the seniority and scope differ.

What are some common challenges Sr Java Engineers face when working on large-scale enterprise applications?

Sr Java Engineers often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and maintaining robust security standards. Collaborating with cross-functional teams—including DevOps, QA, and front-end developers—is essential for addressing integration issues and streamlining deployments. Staying updated with evolving Java frameworks and best practices is also crucial, as technology stacks in enterprise environments change rapidly. Effective communication and problem-solving skills greatly help in navigating these challenges.

What is a Sr Java Engineer?

A Sr Java Engineer is an experienced software developer who specializes in designing, developing, and maintaining complex applications using the Java programming language. They often take on leadership roles within development teams, mentor junior developers, and are responsible for making key architectural decisions. Sr Java Engineers work with frameworks such as Spring and Hibernate, implement best coding practices, and ensure that software projects meet performance, scalability, and security requirements. Their expertise is critical in building reliable enterprise-level applications.
Sr Java Engineer jobs near you
Infographic showing various Sr Java Engineer job openings in Colorado as of July 2026, with employment types broken down into 92% Full Time, 6% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.
Application Developer IV

Application Developer IV

Sysazzle

Denver, CO • On-site

Other

Posted 27 days ago

Job description

Title: Application Developer IV

Duration: 5-6 month contract

Location: Denver, CO, (Remote)

Description:

Senior Java Developer

We are seeking a Senior Java Developer who will be responsible for designing and developing the middle tier for a software as a service based application. Candidate will also be responsible for guiding and mentoring other junior Java developers.

Job Description

·        Design, development and support of Physician facing web and mobile application.

·        Work with the Product Owners to review and understand the business requirements and functional specifications

·        Work with client and database developers

·        Participate in architecture, design and code reviews

·        Work with QA and CM team for code build/releases, test case design and defect resolution

·        Work with Team Lead/Project Manager/Architect for planning, estimation, documentation and status reporting

·        Mentor other teammates on Java design and development

·        Advocate for code quality and standards

·        Any other tasks necessary for completion of project deliverables and application support

·        Excellent communication skills

·        Be able to adapt and contribute to a fast paced and agile application development.  SAFe experience a plus

·        Adhere to project schedules, proactively resolve and or escalate issue to management

·        Team Lead experience a plus

·        Healthcare experience a plus

·        Experience with working with offshore teams a plus

Design skills

·        Highly skilled in Middle Tier Application architecture and design.

·        Experience in developing applications with heavy transaction volume.

·        Highly skilled in OO and heavy use of Design Patterns 

Programming skills

·        6+ years of Java, including experience with Java 17 or greater

·        6+ years of Spring and Springboot

·        4+ years of Spring Data JPA

·        2+ years of Kafka, including understanding of Producers and Consumers

·        Microservice Architecture

·        Object Orented Design (OOD)

·        Test Driven Development (TDD)

·        Strong Unit testing experience, including JUNIT 5

·        Experience with Cloud technologies Google Cloud Platform or AWS, Spanner and Postgres experience a plus

·        Experience with application monitoring, Dynatrace and Kibana

·        Experience with application debugging

·        Angular experience a plus

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