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Sr Software Engineer Java Jobs in Denver, CO (NOW HIRING)

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO. Summary:

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

Senior Software Engineer Staff, Level 5 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer Staff, Level 5 to support our customer in Littleton, CO.

OASYS

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

GHX

Senior Software Engineer - Fusion

Denver, CO · On-site

$126K - $166K/yr

They are seeking a Senior Software Engineer to lead development efforts on Enterprise Integration ... Authors technical designs. • Leverages Java to develop Rest API's. • Implements applications in ...

Cymertek

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

... Engineer, Backend Developer, Full Stack Developer, Systems Developer, Application Developer, Embedded Software Developer, Java Developer, C++ Developer, C Developer, Senior Software Developer ...

IQ Clarity

Senior Software Engineer

Denver, CO · On-site

$150K/yr

As a Senior Software Engineer, you will play a critical role in designing, developing, and delivering high-quality software solutions. Your expertise in C#, .NET Core, AWS or Azure, Xamarin, and ...

Leidos

Sr. Software Engineer TS/SCI Polygraph

Aurora, CO · On-site

$124K - $164K/yr

Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI ... Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript ...

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All JobsSr Software Engineer Java JobsSr Software Engineer Java Jobs in Denver, CO

Sr Software Engineer Java information

See Denver, CO salary details

$41.7K

$155.3K

$272.8K

How much do sr software engineer java jobs pay per year?

As of Jul 14, 2026, the average yearly pay for sr software engineer java in Denver, CO is $155,347.00, according to ZipRecruiter salary data. Most workers in this role earn between $128,700.00 and $169,300.00 per year, depending on experience, location, and employer.

What is the salary of a senior Software Engineer in Java?

The salary of a senior Software Engineer in Java typically ranges from $100,000 to $150,000 annually, depending on experience, location, and company size. Professionals with expertise in frameworks like Spring and Hibernate, along with strong problem-solving skills, tend to earn higher compensation.

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

To thrive as a Sr Software Engineer Java, you need advanced proficiency in Java programming, software design principles, and a bachelor’s degree (or higher) in computer science or a related field. Familiarity with tools such as Spring Framework, RESTful APIs, version control systems like Git, and cloud platforms is typically required, along with relevant certifications like Oracle Certified Professional Java Programmer. Excellent problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this position. These skills ensure the delivery of robust, scalable applications and foster efficient collaboration in complex development environments.

What does a Sr Software Engineer Java do?

A Sr Software Engineer Java is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and ensure that software solutions are robust, scalable, and secure. Their work involves collaborating with cross-functional teams, reviewing code, and implementing best practices to deliver high-quality products. Senior engineers also play a key role in architectural decisions and contribute to the overall technical direction of their team or organization.

What engineer makes $500,000 a year?

Senior Software Engineers, especially those with expertise in Java, cloud computing, or working at large tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Such compensation typically requires extensive experience, advanced skills, and often involves leadership or specialized roles in high-demand environments.

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

AspectSr Software Engineer JavaSoftware Developer Java
Required CredentialsBachelor's degree, 5+ years experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, 1-3 years experience, often entry-level certifications
Work EnvironmentDesigning architecture, leading projects, mentoring teamsWriting code, debugging, implementing features
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software consultancies
Search & Comparison IntentHigher-level roles, leadership, complex projectsEntry to mid-level development tasks

In summary, Sr Software Engineer Java typically involves more experience, leadership, and architectural responsibilities, while Software Developer Java focuses on coding and feature implementation. Both roles are common in tech industries but differ in scope and seniority.

Which pays more, C++ or Java?

For a Sr Software Engineer Java, salary differences between C++ and Java roles depend on industry, location, and experience. Generally, C++ positions may offer higher pay due to their complexity and demand in systems programming, but Java roles are also well-compensated, especially in enterprise environments. Both skills are valuable, and salary varies based on specific job requirements and market conditions.

What are some common challenges Sr Software Engineers specializing in Java face when leading project teams?

Sr Software Engineers working with Java often encounter challenges such as balancing hands-on coding with mentorship responsibilities, managing technical debt in legacy systems, and aligning project goals with business requirements. They frequently need to facilitate effective communication between developers, QA engineers, and stakeholders to ensure project milestones are met. Additionally, staying updated with evolving Java frameworks and best practices while guiding less experienced team members is essential for maintaining code quality and team productivity.

Will AI replace Java devs?

As a Sr Software Engineer Java, AI is more likely to augment development processes rather than fully replace Java developers. AI tools can automate repetitive coding tasks and improve efficiency, but human expertise is still essential for designing complex systems, debugging, and making strategic decisions. Staying updated with AI integrations and enhancing skills in areas like system architecture and problem-solving remain valuable for Java professionals.
What are popular job titles related to Sr Software Engineer Java jobs in Denver, CO? For Sr Software Engineer Java jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Sr Software Engineer Java jobs in Denver, CO look for? The top searched job categories for Sr Software Engineer Java jobs in Denver, CO are:
What cities near Denver, CO are hiring for Sr Software Engineer Java jobs? Cities near Denver, CO with the most Sr Software Engineer Java job openings:
Sr Software Engineer Java jobs near you
Infographic showing various Sr Software Engineer Java job openings in Denver, CO as of July 2026, with employment types broken down into 100% Full Time. Highlights an 78% In-person, and 22% Remote job distribution, with an average salary of $155,347 per year, or $74.7 per hour.
Senior Software Engineer

Senior Software Engineer

OASYS, INC.

Littleton, CO • On-site

$120K - $150K/yr

Full-time

Dental, Vision, Retirement, PTO

Posted 16 days ago

Job description

Senior Software Engineer, Level 3
OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Littleton, CO.
Summary: OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements analysis, object-oriented analysis & design, code & unit test, integration, and support to formal test/delivery. The successful candidate will have experience and/or knowledge of languages such as C or C++. Must be a US Citizen; this position will require government security clearance prior to starting. This position is located at a facility that requires special access.
Basic Qualifications: -Experience with programming languages such as C, C++ --Experience or classroom knowledge with embedded software/hardware --Bachelor's degree in computer science, Aerospace Engineering or other related degree program from an accredited college/university
Desired Skills: --Knowledge of Agile Software Development --Ability to work in a collaborative and team-based environment --Excellent written and verbal communication skills --Knowledge of Model Base Systems Engineering (MBSE) -- Previous experience designing to software requirements -- Experience with full software life cycle development including SW design, architecture and integration & test Security
Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite.
Schedule for this Position:9x80 every other Friday off
About OASYS, INC.: Located in Huntsville, Alabama, OASYS, INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with today's technology and our subject matter expertise help to provide full lifecycle support for our client's needs.
Benefits: OASYS, INC. offers a robust benefit plan to include: BC/BS of Alabama Heath & Dental, VSP Vision, Employee Stock Ownership Plan (ESOP), 401-K with Matching, Flexible Spending Account, Tuition Reimbursement, Holidays, Vacation, Short-term/Long-term Disability.
www.oasys-incorporated.com
EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf

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