ZipRecruiter

Log In

1

Senior Software Engineer Level 3 Jobs (NOW HIRING)

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

Senior Software Engineer

Huntsville, AL · Hybrid

$114K - $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 Huntsville, AL. 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

Huntsville, AL · On-site

$114K - $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 Huntsville, AL. Summary:

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $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 Huntsville, AL. Summary:

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $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 Huntsville, AL. Summary:

TAP Engineering LLC

Software Engineer Level 3

Hanover, MD · Hybrid

$134K - $162K/yr

Software Engineer Level 3 Software | Hanover, MD | Full Time Position: Software Engineer Level 3 ... Experience mentoring senior and junior engineers * Ability to drive technical strategy and ...

TAP Engineering LLC

Software Engineer Level 3

Hanover, MD · On-site

$134K - $162K/yr

Software Engineer Level 3 Software | Hanover, MD | Full Time Position: Software Engineer Level 3 ... Experience mentoring senior and junior engineers * Ability to drive technical strategy and ...

Navstar

Senior Software Engineer, Level 3

Littleton, CO · Hybrid

$122K - $161K/yr

Senior Software Engineer Lockheed Martin is leading the way in hypersonic missile development and ... program-level, decisional forums. * Foster relationships and manage forums to ensure the NGC-SW ...

Hireblazer

Software Database Engineer (Level 3)

Austin, TX · On-site

$113K - $136K/yr

Role: Software Database Engineer (Level 3) Duration: 6+ Months Location: Austin, TX 78752. The working position is Hybrid - On Site and Telework. Summary: The client requires the services of a ...

next page

Showing results 1-20

All JobsSenior Software Engineer Level 3 Jobs

Senior Software Engineer Level 3 information

See salary details

$75.5K

$143.3K

$192K

How much do senior software engineer level 3 jobs pay per year?

As of Jun 21, 2026, the average yearly pay for senior software engineer level 3 in the United States is $143,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,500.00 and $161,500.00 per year, depending on experience, location, and employer.

What is a level 3 software engineer?

A level 3 software engineer is a senior engineering role that typically involves designing, developing, and maintaining complex software systems. They often have several years of experience, demonstrate technical leadership, and may mentor junior engineers while working with advanced tools and programming languages. This level usually requires a strong understanding of software architecture and problem-solving skills.

What is the difference between Senior Software Engineer Level 3 vs Senior Software Engineer Level 2?

CriteriaSenior Software Engineer Level 3Senior Software Engineer Level 2
ExperienceTypically 5+ years of experienceUsually 3-5 years of experience
ResponsibilitiesLeads complex projects, mentors juniors, influences architectureHandles moderate projects, provides guidance to juniors
SkillsAdvanced technical skills, system design, problem-solvingProficient technical skills, coding, debugging
CertificationsOptional, but often includes specialized certificationsOften includes foundational certifications

The main difference between Senior Software Engineer Level 3 and Level 2 lies in experience, scope of responsibilities, and technical expertise. Level 3 engineers typically lead complex projects and mentor others, reflecting a higher level of proficiency and leadership within the team.

What engineer makes $500,000 a year?

Senior Software Engineers at top tech companies or those in specialized roles such as machine learning or systems architecture can earn $500,000 or more annually, often including bonuses and stock options. Achieving this level typically requires extensive experience, advanced skills, and working in high-demand environments with competitive compensation packages.

What engineers make $300,000 a year?

Senior Software Engineers at large tech companies or those with specialized skills in areas like machine learning, cloud computing, or cybersecurity can earn $300,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially in competitive markets or executive-level roles.

How much do L3 software engineers make?

Senior Software Engineers at Level 3 typically earn between $100,000 and $150,000 annually, depending on location, company size, and experience. Compensation may also include bonuses, stock options, and benefits, especially in tech-focused environments requiring strong coding skills and familiarity with tools like Java, Python, or cloud platforms.
More about Senior Software Engineer Level 3 jobs
What cities are hiring for Senior Software Engineer Level 3 jobs? Cities with the most Senior Software Engineer Level 3 job openings:
What are the most commonly searched types of Software Engineer Level 3 jobs? The most popular types of Software Engineer Level 3 jobs are:
What states have the most Senior Software Engineer Level 3 jobs? States with the most job openings for Senior Software Engineer Level 3 jobs include:
What job categories do people searching Senior Software Engineer Level 3 jobs look for? The top searched job categories for Senior Software Engineer Level 3 jobs are:
Senior Software Engineer Level 3 jobs near you
Infographic showing various Senior Software Engineer Level 3 job openings in the United States as of June 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution, with an average salary of $143,292 per year, or $68.9 per hour.

Senior Software Engineer

OASYS

Littleton, CO • Hybrid

$120K - $158K/yr

Full-time

Dental, Vision, Retirement, PTO

Posted 21 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

Apply