Senior Fullstack Software Engineer Visa Sponsorship Jobs in California

The application window is expected to close on: 11/26/2026

This is a hybrid role located in San Jose or San Francisco, CA with 3 days per week in office.

Meet the Team

Cisco and Splunk are building a safer, more resilient digital world. Organizations around the globe rely on our security and observability platform to keep their systems secure, available, and performing at their best. The Security organization powers one of the most important capabilities of the Analyst workflow in investigating and triaging threats and risks. Our teams build the technology that helps customers explore, understand, and act on massive amounts of machine data. As AI becomes an increasingly important part of the platform, we continue to evolve our search technologies to support new ways of discovering insights and solving problems.

Your Impact

We're looking for a Software Engineer who enjoys solving difficult technical problems, working across teams, and helping shape the future of search at Splunk. In this role, you'll work with engineers, architects, and product partners across Cisco and Splunk to build technologies that serve thousands of customers around the world.

• Build a global-scale, security platform, optimizing for performance, reliability and quality using Splunk platform innovations, open-source, and AI Agentic and cloud tools and technologies.
• Own and be accountable for delivery of multiple features to solve some of the really cool security challenges.
• Achieve a deep knowledge of our product architecture, usage patterns, and real-world deployment scenarios to develop an understanding of which solutions will bring value to our customers.
• Partner with leaders from architecture, eng management, and product management on project requirements, designs, and development plans.
• Help identify and develop ways to improve our team's productivity and efficiency by expanding on our existing tools and processes.
• Collaborate with team members on the design and implementation of frameworks and backend components and mentor junior engineers, to help develop their technical skills, communication and careers.

Minimum Qualifications

• Bachelor's degree in Engineering and 7+ years of software engineering experience focused on application development.
• Programming experience using Python, Java, or Golang.
• Experience with client-side scripting and JavaScript frameworks (React and/or BackboneJS).
• Experience with front-end technologies including HTML5, CSS3, and/or Responsive Design.
• Experience implementing data structures, algorithms, and RESTful APIs, including secure API design features such as authentication, input validation, and rate limiting.
• Experience developing scalable distributed web applications using open-source or proprietary technologies.
• Experience with CI/CD and security gates such as SAST, DAST, and dependency scanning.

Preferred Qualifications

• Proficiency in specialized front-end JavaScript frameworks, with a strong commitment to test-driven development (TDD) and understanding of CI/CD technologies.
• Effective, security-aware usage of AI and adjacent tooling, workflows, and code development practices to streamline delivery and manage technical complexity in daily engineering functions.
• Familiarity with cloud stacks and orchestration technologies, including Kubernetes (K8s), Kinesis, and Kafka.
• Experience with secure coding practices, information security principles, and exposure to security frameworks and standards such as MITRE ATT, NIST, and SOC 2 controls.
• Analytical and problem-solving abilities, with a proven capacity to quickly learn new technologies, diagnose and resolve complex system issues, and troubleshoot a wide variety of technical challenges.
• Ability to work effectively with others in a dynamic, cross-functional team environment.

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.

Message to applicants applying to work in the U.S. and/or Canada:

The starting salary range posted for this position is $167,700.00 to $245,200.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits.

Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco’s plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.

U.S. employees are eligible for paid time away as described below, subject to Cisco’s policies:

• 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees
• 1 paid day off for employee’s birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco
• Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees
• Exempt employees participate in Cisco’s flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations)
• 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next
• Additional paid time away may be requested to deal with critical or emergency issues for family members
• Optional 10 paid days per full calendar year to volunteer

For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco’s policies.

Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows:

• .75% of incentive target for each 1% of revenue attainment up to 50% of quota;
• 1.5% of incentive target for each 1% of attainment between 50% and 75%;
• 1% of incentive target for each 1% of attainment between 75% and 100%; and
• Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation.

For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid.

The applicable full salary ranges for this position, by specific state, are listed below:

New York City Metro Area:

$167,700.00 - $282,000.00

Non-Metro New York state & Washington state:

$149,100.00 - $250,900.00

• For quota-based sales roles on Cisco’s sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined.

Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements.