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L4 Software Engineer Jobs (NOW HIRING)

Viasat, Inc.

Software Engineer

Carlsbad, CA · On-site

$145K - $218K/yr

... software engineering experience in C, C++ with emphasis on design patterns * Experience with ... Strong hands-on working knowledge of L2/L3 protocols and L4-L7 applications * Experience with ...

Viasat, Inc.

Software Engineer

Carlsbad, CA · On-site

$145K - $218K/yr

... software engineering experience in C, C++ with emphasis on design patterns * Experience with ... Strong hands-on working knowledge of L2/L3 protocols and L4-L7 applications * Experience with ...

Amgen

Principal Software Engineer

Tampa, FL

$127K - $171K/yr

Provide technical leadership and mentorship to L4 and L5 engineers, including design reviews, code ... The professional we seek is a Software Engineer with these qualifications. Doctorate degree and 2 ...

Amgen

Principal Software Engineer

Thousand Oaks, CA

$141K - $190K/yr

Provide technical leadership and mentorship to L4 and L5 engineers, including design reviews, code ... The professional we seek is a Software Engineer with these qualifications. Doctorate degree and 2 ...

NVIDIA

Senior Software Engineer, AI Networking

Austin, TX · On-site

$121K - $160K/yr

... L4 fundamentals, and performance/latency tradeoffs. • Proven low-level software expertise with ... explain complex topics to engineers, PMs, and customer collaborators, and align cross ...

Fortinet, Inc.

Embedded Software Engineer

Sunnyvale, CA · On-site

$96K - $118K/yr

Description As an Embedded Software Engineer on our team, you will be responsible for the design ... Understanding of L2-L4 network protocols and networking fundamentals such as TCP/IP, routing, and ...

Fortinet

Embedded Software Engineer

Sunnyvale, CA

$96K - $118K/yr

Description As an Embedded Software Engineer on our team, you will be responsible for the design ... Understanding of L2-L4 network protocols and networking fundamentals such as TCP/IP, routing, and ...

Fortinet, Inc.

Embedded Software Engineer

Sunnyvale, CA

$96K - $118K/yr

Description As an Embedded Software Engineer on our team, you will be responsible for the design ... Understanding of L2-L4 network protocols and networking fundamentals such as TCP/IP, routing, and ...

Advisor360 LLC

L4 Engineer III

Needham, MA · On-site

$62.75 - $84.25/hr

As an L4 SaaS Engineer, you will be responsible for maintaining complex software applications within our SaaS environment. You will leverage your deep expertise in modern software technologies to ...

Uber

Senior Software Engineer

San Francisco, CA · On-site +1

As a Senior Software Engineer - Backend (L5) , you will be a technical leader responsible for ... L3/L4) and driving engineering excellence across a Broad organization.4 Applied AI Experience:

Uber

Senior Software Engineer

Sunnyvale, CA · On-site +1

As a Senior Software Engineer - Backend (L5) , you will be a technical leader responsible for ... L3/L4) and driving engineering excellence across a Broad organization.4 Applied AI Experience:

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L4 Software Engineer information

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$63.5K

$147.5K

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How much do l4 software engineer jobs pay per year?

As of Jun 24, 2026, the average yearly pay for l4 software engineer in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.

What is an L4 software engineer?

An L4 software engineer is a mid-to-senior level role in many tech companies, typically responsible for designing, developing, and maintaining software systems. They often have several years of experience, strong coding skills, and may mentor junior engineers while collaborating on complex projects.

What is the difference between L4 Software Engineer vs L5 Software Engineer?

AspectL4 Software EngineerL5 Software Engineer
ExperienceTypically 2-4 yearsTypically 4-6 years
ResponsibilitiesContributes to projects, writes code, fixes bugsLeads small projects, mentors juniors, designs solutions
SkillsProficient coding, basic system designAdvanced coding, system architecture, leadership
CertificationsOptional, depends on companyOptional, but often preferred

In summary, an L4 Software Engineer is an early-career professional focused on coding and task completion, while an L5 Software Engineer takes on more leadership, design, and mentorship responsibilities, reflecting increased experience and skills.

What is L1, L2, L3, and L4 in software engineering?

In software engineering, levels like L1, L2, L3, and L4 typically represent different seniority tiers within a company's engineering hierarchy, with L1 being entry-level and L4 indicating a senior or lead role. These levels often correspond to experience, technical skills, and responsibilities, and are used to structure career progression, compensation, and expectations for roles such as a Software Engineer or L4 Software Engineer.

What are the key skills and qualifications needed to thrive as an L4 Software Engineer, and why are they important?

To thrive as an L4 Software Engineer, you need strong programming skills, a solid grasp of computer science fundamentals, and typically a bachelor's degree in computer science or a related field. Experience with version control systems (like Git), cloud platforms (such as AWS or GCP), and familiarity with development frameworks and CI/CD pipelines are commonly required. Excellent problem-solving, communication, and teamwork skills help you collaborate effectively and contribute to complex projects. These competencies ensure you can deliver high-quality software solutions efficiently while working within diverse engineering teams.

How much do L4 software engineers make?

L4 software engineers typically earn a base salary ranging from $120,000 to $180,000 annually, depending on the company, location, and experience. They often receive additional compensation such as bonuses, stock options, and benefits, especially in large tech firms or competitive markets.

How does an L4 Software Engineer typically collaborate with product managers and designers during a project?

As an L4 Software Engineer, you'll work closely with product managers and designers throughout the software development cycle. This collaboration often involves participating in planning meetings, providing technical feedback on proposed features, and helping to shape user stories or requirements. You'll be expected to offer insights on feasibility, suggest improvements, and ensure alignment between engineering and product goals. Regular communication and a proactive approach to problem-solving are key to ensuring successful project outcomes.

What engineer makes $500,000 a year?

A senior software engineer or specialized roles such as staff or principal engineers at large tech companies can earn $500,000 or more annually, often including bonuses, stock options, and other compensation. Achieving this level typically requires extensive experience, advanced technical skills, and leadership responsibilities within high-paying organizations.
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Infographic showing various L4 Software Engineer job openings in the United States as of June 2026, with employment types broken down into 25% Part Time, and 75% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $147,524 per year, or $70.9 per hour.
Senior Software Systems Engineer, L3 and L4 - Autonomous Driving

Senior Software Systems Engineer, L3 and L4 - Autonomous Driving

Nvidia Corporation

Santa Clara, CA • On-site

Full-time

Posted 22 days ago

Job description

Today, NVIDIA is tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU serves as the intelligence behind computers, robots, and autonomous vehicles that perceive the world. Doing what's never been done before takes vision, innovation, and the world's best talent. We pioneered a supercharged form of computing loved by the most demanding computer users in the world - scientists, designers, artists, and gamers. It's not just technology though! It is our people, some of the brightest in the world, and our diverse company culture make NVIDIA one of the most fun, innovative and dynamic places to work in the world! At the center of NVIDIA's culture are our core values like innovation, excellence and determination and team, that guide us to be the best we can be. As an NVIDIAN, you'll be immersed in a diverse, encouraging environment where everyone is motivated to perform at their highest level. Come join the team and see how we can make a lasting impact on the world.
What you'll be doing:
  • Develop use cases and system requirements for L3 and L4 autonomous driving products based on customer needs, traffic regulations, certification standards, and industry guidelines.
  • Perform system-level analysis to define performance requirements and allocate performance budgets across subsystems.
  • Formulate test cases and define critical performance metrics to ensure compliance with functional and safety requirements.
  • Define and drive online and offline test strategy and execution at both vehicle and component levels.
  • Partner closely with Data Analytics, Test Engineering, and System Integration & Test teams. Ensure the right evaluators and important metrics are developed. Prove that datasets cover sufficient scenarios and requirements. Target appropriate sampling strategies through Data Collection and Real-World Driving.
  • Establish strong multi-functional relationships with collaborators across engineering, safety, validation, and product teams.
  • Drive innovation in requirements decomposition, traceability, and verification processes.
  • Promote and cultivate a strong systems engineering approach across the organization.

What we need to see:
To succeed in this role, you should have:
  • MS or PhD in Engineering, Physics, Computer Science, or a related field (or equivalent experience).
  • 8+ years proven experience in safety-critical systems engineering, system analysis, data analysis, and software architecture.
  • Strong software development background with proven coding skills.
  • Hands-on experience in SOTIF analysis (ISO 21448), functional safety (ISO 26262), and multi-functional architectural trade-off analysis.
  • Strong leadership and interpersonal skills, with the ability to drive alignment across large organizations.
  • Proven understanding of trade-offs between End-to-End deep learning approaches, classical modular perception/planning stacks, and associated validation and test strategies.

Ways to Stand Out from the crowd:
  • Experience contributing to a launched L3/L4 autonomous vehicle program.
  • Experience in AI safety and safety validation for ML-based systems.
  • Hands-on experience with large-scale datasets, data science, and analytics workflows.
  • Strong software engineering experience with proficiency in Python, SQL, and C++.

Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base salary range is 184,000 USD - 287,500 USD for Level 4, and 224,000 USD - 356,500 USD for Level 5.
You will also be eligible for equity and benefits.
Applications for this job will be accepted at least until April 17, 2026.
This posting is for an existing vacancy.
NVIDIA uses AI tools in its recruiting processes.
NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.
Nvidia logo

About Nvidia

Sourced by ZipRecruiter

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology--and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.

Industry

Computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Santa Clara, CA, US

Year founded

1993

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