Sr Staff Software Development Engineer jobs in San Jose – Browse 707 openings on RoboApply Jobs

Sr Staff Software Development Engineer jobs in San Jose

Open roles matching “Sr Staff Software Development Engineer” with location signals for San Jose. 707 active listings on RoboApply Jobs.

707 jobs found

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companyFloQast logo
Full-time|Hybrid|San Jose, California

San Jose or LA CA (Hybrid)At FloQast, we are revolutionizing the way accounting teams function with our AI-driven workflows. Our platform is trusted by thousands of companies worldwide, serving as a comprehensive operating system for accounting that streamlines intricate financial processes into efficient, dependable, and scalable systems.We are in search of a Staff Software Engineer who not only develops software but also contributes to shaping platforms, enhances team efficiency, and drives substantial impact. In this pivotal role, your architectural choices will significantly affect the entire FloQast application ecosystem, directly fostering innovation across our product offerings.

Sep 22, 2025
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companyZscaler logo
On-site|On-site|San Jose, California, USA

About ZscalerZscaler stands at the forefront of zero trust security, serving as a global leader in safeguarding the digital landscape. Major corporations, vital infrastructure entities, and government agencies trust Zscaler to protect users, branches, applications, and devices while also driving their digital transformation efforts. Our Zero Trust Exchange platform, enhanced by advanced AI, defends against billions of cyber threats daily, streamlining operations and boosting productivity for modern enterprises by minimizing costs and complexity.At Zscaler, we prioritize impact over titles, fostering a culture where trust is established through results. We value transparency and encourage constructive, honest discussions to quickly identify the best ideas. Our high-performing teams are designed to deliver impactful results with excellence. We're dedicated to cultivating a culture of execution focused on customer obsession, collaboration, ownership, and accountability.We advocate for an “AI Forward, People First” philosophy to spur innovation and empower our teams to realize their full potential. If you are motivated by purpose, enjoy tackling complex challenges, and aspire to make a meaningful impact on a global scale, Zscaler invites you to contribute your talents to redefine the future of cybersecurity.RoleWe are seeking a Senior Software Development Engineer to join our innovative Engineering team. This hybrid position is based in our San Jose, CA office and reports directly to the Director of Software Engineering. Our Engineering team has developed the world’s largest cloud security platform from inception, and we continue to grow. With over 100 patents and ambitious plans to enhance our services and expand our global reach, we have established ourselves as a leader in cloud security, serving over 15 million users across 185 countries. Join us and collaborate with a team of cloud architects, software engineers, and security specialists, enabling organizations globally to leverage speed and agility through a cloud-first strategy.What you’ll do (Role Expectations)

Feb 9, 2026
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companyarcher56 logo
Full-time|On-site|San Jose, California, United States

Join archer56 as a Staff Software Engineer specializing in Engineering Applications. In this pivotal role, you will leverage your extensive software engineering expertise to develop innovative solutions that enhance our engineering capabilities. Collaborate with cross-functional teams to design, implement, and optimize applications that streamline engineering processes and improve productivity.

Apr 8, 2026
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companyZscaler logo
Full-time|On-site|San Jose, California, USA

Join Zscaler as a Senior Staff Software Development Engineer, where you will play a pivotal role in designing and implementing innovative software solutions. This position requires a deep understanding of software architecture and a passion for developing high-quality code. You will collaborate with cross-functional teams to deliver scalable products that enhance our customers' security and performance.

Mar 16, 2026
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companyExtreme Networks, Inc. logo
Staff Software Systems Engineer

Extreme Networks, Inc.

Full-time|On-site|San Jose, California, United States

Join a thriving community of over 50,000 customers worldwide who trust our innovative, cloud-driven networking solutions. At Extreme Networks, we empower organizations to accelerate their digital transformation and achieve remarkable progress through our award-winning services and unwavering support. With consistent double-digit growth each year, we are uniquely positioned to deliver scalable outcomes that transform businesses.At our core, we value inclusion and diversity, creating a workplace where every employee can flourish because of their unique perspectives and experiences. We believe that our differences are our strength, and we are dedicated to fostering an environment that supports everyone’s success.Now is the perfect time to become part of something significant with Extreme! As a global leader in networking, discover the exceptional opportunities that await you on the Extreme team.

Nov 24, 2025
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companyFloQast logo
Full-time|On-site|San Jose, California

As a Staff Software Engineer - Developer Experience, you will play a pivotal role in enhancing engineering efficiency by architecting and refining our CI/CD platforms and infrastructure workflows. This position is a unique blend of platform engineering and developer support, focusing on modern CI/CD systems, including GitHub Actions, as well as infrastructure as code through tools like Terraform. Your primary mission will be to create seamless pathways that empower product engineering teams to build, test, and deploy software swiftly and securely.Your responsibilities will include defining best practices, minimizing obstacles in the software delivery lifecycle, and developing self-service infrastructure patterns that can be utilized across multiple teams. You will collaborate with engineering leadership and cross-functional teams to ensure that our software development lifecycle is secure, automated, observable, and optimized for speed and reliability. As a senior-level engineer, you will also mentor other engineers and guide architectural decisions throughout the organization.

Feb 27, 2026
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companyZscaler logo
Full-time|On-site|San Jose, California, USA

Join our dynamic team at Zscaler as a Staff Software Development Engineer specializing in Kubernetes. In this pivotal role, you will be responsible for designing, developing, and maintaining our cutting-edge cloud services. You will collaborate with cross-functional teams to build robust and scalable solutions that enhance our platform's capabilities.Your expertise in container orchestration and cloud-native architectures will be critical as we strive to deliver exceptional performance and reliability to our global user base. If you're passionate about innovation and are eager to take on new challenges, we want to hear from you!

Mar 13, 2026
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companyZscaler, Inc. logo
Full-time|On-site|San Jose, California, USA

Join Zscaler as a Senior Staff Software Development Engineer, where you will be at the forefront of innovative security solutions. In this role, you will design and develop advanced software systems that ensure the highest levels of security and performance for our clients. Your expertise will contribute to our mission of providing seamless and secure internet access.

Apr 3, 2026
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companyFloQast logo
Full-time|Hybrid|San Jose, California

Location: San Jose or Los Angeles, CA (Hybrid)At FloQast, we are on a mission to revolutionize the way accounting teams function by leveraging AI-driven workflows. Our platform, recognized and trusted by thousands of companies worldwide, serves as a robust operating system for accounting, simplifying complex financial processes into quick, dependable, and scalable systems.We are seeking a Senior Staff Software Engineer who is not just a software builder, but a platform architect who accelerates team performance and catalyzes significant innovations.This pivotal role involves making architectural choices that will shape the entire FloQast application ecosystem, significantly enhancing innovation across our product suite.

Jan 28, 2026
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companyZscaler logo
On-site|On-site|San Jose, California, USA

About ZscalerZscaler stands as a trailblazer and esteemed global leader in zero trust security. Trusted by the largest corporations, essential infrastructure entities, and government bodies, Zscaler secures users, branches, applications, data, and devices while expediting digital transformation efforts. With a presence in over 160 data centers worldwide, the Zscaler Zero Trust Exchange platform, bolstered by advanced AI, addresses billions of cyber threats and policy breaches daily, unlocking productivity gains for modern enterprises by minimizing costs and complexities.At Zscaler, the impact of your role is paramount, transcending title, and trust is cultivated through results. We embrace transparency and value constructive, honest discussions—dedicated to swiftly identifying the best ideas. Our objective is to build high-performing teams that can deliver significant impact promptly and with exceptional quality. Our culture emphasizes execution, focusing on customer obsession, collaboration, ownership, and accountability.We advocate for an “AI Forward, People First” philosophy to drive acceleration and innovation, empowering our team to realize their full potential. If you are motivated by purpose, excel at tackling complex challenges, and aspire to make a positive global impact, we encourage you to bring your talents to Zscaler and help shape the future of cybersecurity.Role We are seeking a Senior Staff Development Engineer to join our Engineering team in a hybrid model based in San Jose, CA, reporting directly to the Director of Software Engineering. You will collaborate with the team that has developed the world’s largest cloud security platform from inception, enabling organizations globally to leverage speed and agility through a cloud-first approach. With over 100 patents and 15 million users across 185 countries, you will contribute your vision to a team of experts committed to enhancing our multitenant architecture and expanding our global presence.What you’ll do (Role Expectations)Design, develop, and optimize systems, including networking and security features, to ensure robust performance and reliability.

Feb 9, 2026
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companyTENEX logo
Full-time|$160K/yr - $230K/yr|Hybrid|San Jose, CA

Company OverviewTENEX is a pioneering Managed Detection and Response (MDR) provider, specializing in AI-driven and automation-focused solutions for enhanced cybersecurity. As a key player in the industry, we empower organizations to fortify their cybersecurity defenses through innovative threat detection, swift response capabilities, and continuous safeguarding. Our talented team consists of cybersecurity veterans and automation specialists, working together to make a significant impact in the field. Backed by prestigious investors like Andreessen Horowitz, we are a rapidly expanding startup that offers a unique opportunity to shape our culture and approach from the ground up. By joining us now, you will be part of a well-funded team with minimal risk and immense potential for growth, as we aim to transform the cybersecurity landscape.We are on the lookout for a seasoned Staff Software Engineer to be an integral part of our core engineering team. This position entails spearheading the technical vision and implementation of our platform, ensuring it remains reliable, scalable, and secure as we continue to evolve. You will take the lead in architectural design, influence complex technical decisions, and provide mentorship to engineers while maintaining a hands-on approach.As a senior member of our engineering team, you will strike a balance between strategic vision and technical expertise, setting benchmarks for engineering excellence while actively contributing to our codebase. We are looking for proactive innovators who excel in uncertain environments, relish challenging technical problems, and can steer both product and engineering directions.Location: This role requires on-site work from Monday to Thursday at our San Jose, CA office, with the flexibility to work from home on Fridays.At TENEX.AI, our culture is paramount—check out our culture deck at culture.tenex.ai to see how we embody collaboration and community through in-person work.Job Responsibilities:Lead and oversee architectural decisions for core systems and services, ensuring an optimal balance of speed, scalability, and security.Direct the design and development of distributed backend systems, APIs, and integrations.Provide technical leadership across the stack, from backend services to frontend applications.Mentor and elevate engineers through code reviews, design discussions, and paired programming.Drive performance improvements and enhance system reliability through proactive problem-solving.

Sep 9, 2025
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companyZscaler logo
Full-time|On-site|San Jose, California, USA

Join our innovative team at Zscaler as a Senior Staff Software Development Engineer, where you will leverage your expertise in C/C++ and TCP/IP to design and implement cutting-edge datapath solutions. Your role will involve collaborating with cross-functional teams to deliver scalable and efficient software solutions that enhance our security offerings.

Mar 31, 2026
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companyKognitos logo
Full-time|On-site|San Jose - HQ

Join Kognitos as a Senior/Staff Software Engineer - UIKognitos is at the forefront of revolutionizing the trillion-dollar hyper-automation industry. Our innovative multi-agent automation platform empowers systems to think, plan, and act with precision. We aim to elevate the debugging process to a natural language level, removing the fragility of conventional programming languages that fail under real-world complexities.We are committed to developing AI systems that prioritize safety and transparency while delivering tangible business results. Our talented team comprises engineers from prestigious companies such as Google, Microsoft, Meta, and Amazon, along with academic backgrounds from institutions like IIT, Stanford, CMU, UC Berkeley, and Georgia Tech.With offices in Mountain View, CA, and Bangalore, India, we foster close collaboration across regions.Role OverviewAs a Senior/Staff Software Engineer - UI, you will lead our Frontend team in San Jose. This pivotal role allows you to influence the technical direction and foster a collaborative culture within a key product area. You will focus on building and scaling our frontend platform while mentoring engineers and closely partnering with Product, Design, and Backend leaders.Expect hands-on involvement in developing robust, high-performance user interfaces utilizing cutting-edge frontend technologies, while establishing best practices for performance, accessibility, and maintainability.

Jan 13, 2026
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companyZscaler logo
Full-time|On-site|San Jose, California, USA

Join Zscaler as a Senior Staff Software Development Engineer specializing in C/C++. In this pivotal role, you will leverage your expertise to design, develop, and optimize high-performance software solutions that enhance our cloud security platform. Your contributions will directly impact our ability to deliver cutting-edge security solutions to businesses worldwide.

Mar 24, 2026
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companyZscaler logo
On-site|On-site|San Jose, California, USA

About ZscalerZscaler stands at the forefront of zero trust security, recognized globally as a leader in safeguarding digital environments. Major enterprises, critical infrastructure entities, and government organizations trust Zscaler to protect users, branches, applications, data, and devices while driving digital transformation. Our extensive network of over 160 data centers worldwide powers the Zscaler Zero Trust Exchange platform, which employs advanced AI to thwart billions of cyber threats and policy violations daily—unlocking productivity and simplifying operations for modern businesses.At Zscaler, the impact of your contributions is valued more than your title. We cultivate an environment of transparency and promote constructive, candid discussions to accelerate the evolution of ideas. Our high-performing teams are committed to delivering impactful results swiftly and with excellence. We foster a culture focused on customer obsession, collaboration, ownership, and accountability.Embracing an “AI Forward, People First” philosophy, we empower our team members to reach their full potential. If you are motivated by purpose, enjoy tackling complex challenges, and aspire to create a positive global impact, we welcome you to join Zscaler and help shape the future of cybersecurity. RoleWe are seeking a Senior Software Engineer to join our Shared Platform Services team. This hybrid position is based in San Jose, CA, reporting directly to the Senior Manager of Software Engineering QA. In this role, you will be pivotal in leading functional, system, and automation testing for Zscaler's innovative features while enhancing our automation infrastructure to improve quality and operational efficiency.

Feb 5, 2026
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companyArcher Aviation logo
Full-time|$170K/yr - $215K/yr|On-site|San Jose, California, United States

At Archer Aviation, headquartered in San Jose, California, we are pioneering the future of air mobility with our innovative all-electric vertical takeoff and landing aircraft. Our commitment to sustainable transportation is reflected in our design, which prioritizes minimal noise while accommodating four passengers.We are driven by ambitious goals and complex challenges, and we recognize that a diverse workforce enhances our problem-solving capabilities and overall success. Our mission is to foster an equitable and inclusive workplace that celebrates the uniqueness of every team member.Key Responsibilities:Lead the architecture and management of Archer’s lab integration environments to support validation and verification activities, including quality assessments, human factors evaluations, and test pilot training.Collaborate effectively across various internal teams and suppliers to integrate, instrument, and maintain simulation models within real-time hardware-in-the-loop environments.Oversee the comprehensive configuration of simulation environments (e.g., SIL, HIL, CeRT, Iron Bird), focusing on data analysis and correlating simulation results with flight test data.Design and optimize simulation pipelines incorporating CI/CD practices for automated deployment, execution, and monitoring.Integrate third-party software and hardware systems into unified simulation architectures.Establish technical standards, mentor junior engineers, and cultivate a collaborative, high-performance engineering culture.Direct the design and creation of graphical user interfaces for controlling real-time simulation environments.Lead task breakdown, technical planning, and troubleshooting of intricate issues across real-time and distributed systems.Shape tool architecture to enhance lab configuration and automation.Qualifications:Minimum of 9 years of experience in simulation software development and systems integration.Bachelor's degree or higher in Aerospace, Software, Electrical Engineering, Computer Science, or a related discipline.Proven experience as a technical leader within an engineering team, providing effective guidance in project planning and execution.Advanced skills in C/C++ and Python programming languages.Extensive expertise in MATLAB/Simulink environments.Significant experience in developing real-time HIL testing infrastructures.

Feb 5, 2026
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companyThe Trade Desk logo
Full-time|On-site|Bellevue; Boulder; Chicago; Denver; Irvine; Los Angeles; New York; San Francisco; San Jose; Seattle; Ventura

We are seeking a highly skilled and experienced Lead Senior Staff Software Engineer specializing in front-end fundamentals to join our innovative team at The Trade Desk. In this role, you will lead the development of cutting-edge front-end solutions that enhance user experience and drive our product's success. You will collaborate closely with cross-functional teams, guiding junior engineers and fostering a culture of excellence in software development.

Apr 13, 2026
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companyZscaler logo
Full-time|On-site|San Jose, California, USA

Role Overview Zscaler is seeking a Director of Software Development Engineering to guide a team of engineers in San Jose, California. This leader will oversee the full software development lifecycle and help shape technical direction for new products and solutions. What You Will Do Lead and mentor a team of software engineers Oversee project planning, execution, and delivery Ensure development processes align with industry standards and best practices Drive progress toward project milestones and team goals What We Look For Strategic mindset and experience managing engineering teams Strong leadership and communication skills Passion for technology and software development

Apr 14, 2026
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companyZscaler, Inc. logo
Full-time|Remote|Remote - USA; San Jose, California, USA

Join Zscaler as a Senior Staff Software Engineer specializing in C/C++ and Networking. In this pivotal role, you will leverage your expertise to design, develop, and optimize cutting-edge networking solutions that enhance our cloud security platform. Collaborate with a talented team of engineers to tackle complex challenges and deliver innovative solutions that drive our mission of secure internet access for all.

Mar 10, 2026
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companyZscaler logo
On-site|On-site|San Jose, California, USA

About ZscalerZscaler stands at the forefront of zero trust security, serving as a trusted partner for some of the world's largest enterprises, critical infrastructure organizations, and government agencies. Our innovative solutions empower businesses to secure users, branches, applications, data, and devices while driving forward digital transformation initiatives. With a global network spanning over 160 data centers, the Zscaler Zero Trust Exchange platform leverages advanced AI to counter billions of cyber threats and policy violations daily, enabling productivity enhancements for modern enterprises by minimizing costs and complexities.At Zscaler, we prioritize impact over titles, fostering a culture of trust built on tangible results. We advocate for transparency and embrace constructive, honest debate to accelerate the discovery of optimal solutions. Our high-performing teams are designed for rapid impact and exceptional quality. We cultivate a culture of execution that emphasizes customer obsession, collaboration, ownership, and accountability.With our “AI Forward, People First” philosophy, we aim to innovate and empower our employees to realize their full potential. If you are motivated by purpose, enjoy tackling complex challenges, and aspire to make a meaningful impact on a global scale, we welcome you to join Zscaler in shaping the future of cybersecurity.RoleWe are seeking an experienced Senior Development, Security, and Operations Engineer to join our dynamic Engineering team. This hybrid position is based in San Jose, CA, requiring in-office attendance three days a week, and reports directly to the Manager of Software Development Engineering.In this role, you will take ownership of and enhance the infrastructure backbone of our CI/CD and Kubernetes-native environments across both cloud and hybrid landscapes. Your expertise in automating secure delivery patterns and fortifying software supply chain integrity will directly contribute to accelerating innovation while upholding the highest standards of reliability and security.

Feb 7, 2026

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