Staff Software Engineer - API Testing & Automation

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.

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.

We are seeking a skilled Datacom Test Automation Networking Engineer to join our dynamic team in San Jose, CA.The ideal candidate will possess 7-10 years of robust experience in Networking, Datacom, and IP domains, with a proven track record working on routers, switches, datacenters, or SDN/NFV in roles such as Dev-tester, System Tester, or Software Developer Tester (SDET).This role requires hands-on experience with L2 protocols including Ethernet, VLAN, xSTP, and others, as well as L2.5/L3 protocols such as RIP, OSPF, and BGP.You should have a strong background with Cisco, Juniper, Ericsson, Nokia-Alcatel, Brocade, or similar Routing/SDN platforms and demonstrate expertise in testing these devices.Critical to this role is your proficiency in test automation using Python, with strong coding skills for both test scripting and functionality development.Familiarity with developing open-source automation frameworks like ROBOT, Pybot, and Pycharm is essential, alongside hands-on experience with tools like Spirent, IXIA, and iPerf.As part of your responsibilities, you will analyze designs, write test scripts, and execute comprehensive testing plans, while effectively debugging and providing root cause analysis for network elements.A customer-focused approach and the ability to design detailed test plans and cases will be vital for success in this role, along with strong verbal and written communication skills.

Join our innovative team at Collabera as a Software Test Engineer. In this pivotal role, you will be essential in ensuring the quality and performance of our software products. You will collaborate with developers and product managers to identify bugs, suggest improvements, and contribute to the overall user experience.

Western Digital Corporation is hiring a Principal Software and Automation Engineer based in San Jose. This position takes the lead in designing, developing, and deploying advanced software solutions aimed at increasing automation throughout the company’s operations. What you will do Lead the creation and implementation of software that drives automation across operational processes. Collaborate with cross-functional teams to deliver systems that are both efficient and reliable. Support business objectives by ensuring that automation solutions align with organizational goals. Collaboration This role involves working closely with colleagues from various departments, ensuring that solutions meet the needs of multiple stakeholders and contribute to overall business efficiency.

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.

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.

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.

Archer Aviation, based in San Jose, California, is pioneering the future of sustainable transportation by developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to redefine air mobility, enabling efficient and eco-friendly travel while minimizing noise pollution.We believe that tackling challenging problems requires diverse perspectives, and we strive to create an equitable and inclusive workplace that celebrates our team's unique contributions and drives collective success.What you will do:Lead automation initiatives across multiple integrated test environments and hardware-in-the-loop platforms.Define comprehensive test strategies and automation roadmaps that align with program milestones.Design and maintain scalable automated test frameworks.Create automated test sequences for flight controls, actuation systems, electric engines, and high voltage systems.Integrate automated sequences within a real-time simulation environment.Establish regression testing, automated reporting, and data analysis pipelines.Incorporate CI/CD methodologies into testing processes.

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.

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.

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)

Archer is an innovative aerospace company headquartered in San Jose, California, dedicated to revolutionizing air travel with an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to promote sustainable air mobility by designing, manufacturing, and operating quiet, eco-friendly aircraft capable of transporting four passengers efficiently.At Archer, we set ambitious goals and tackle complex challenges. We believe that a diverse workforce fosters creativity, enhances problem-solving, and leads to greater success. Our commitment to inclusivity ensures that all team members feel valued, supported, and celebrated.Key Responsibilities:Conduct aerodynamic testing and analysis to support Subpart B Flight Characteristics and Performance certification.Develop advanced tools for analyzing and processing flight test data.Establish tolerances for flight test parameters and metrics for data quality.Perform comprehensive analysis of flight test data, comparing results with predictions across the flight envelope, and generate detailed test reports with findings and recommendations.Prepare substantiation documentation to demonstrate compliance with airworthiness criteria.Engage with the FAA and Designated Engineering Representatives (DERs) regarding airworthiness and compliance matters.Collaborate with the Flight Test organization to plan and execute flight test events aimed at validating aerodynamic models and vehicle performance.Develop methods, processes, and documentation to support aircraft fleet management, including repair assessments and guidance, Configuration Deviation Lists, and Minimum Equipment Lists.

Job Opportunity:Join our innovative and fast-growing team at Hudson Manpower as a QA Automation Engineer. We are looking for a dedicated and detail-oriented individual with 1 to 4 years of hands-on experience in automation testing. The ideal candidate will possess a robust understanding of automation tools, strong analytical abilities, and a readiness to relocate within the United States.Key Responsibilities:Design, implement, and maintain automated test scripts for both web and mobile applications.Translate business and technical requirements into comprehensive test cases.Conduct functional, regression, integration, and system testing.Collaborate effectively with developers, business analysts, and QA team members to ensure quality deliverables.Identify and document defects utilizing bug tracking tools.Actively participate in Agile/Scrum ceremonies to enhance team collaboration.Assist in test execution during System Integration Testing (SIT) and User Acceptance Testing (UAT) phases.Uphold high-quality standards through effective testing methodologies.

Join 360 IT Professionals as a Java API Developer, where you will play a crucial role in designing and implementing robust API solutions. You will collaborate with cross-functional teams to ensure seamless integration and optimal performance of our applications.

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.

Join our dynamic team at StemXpert1 as an Integration Test Engineer specializing in Python. In this role, you will be pivotal in ensuring the robustness and reliability of our software products through rigorous testing methodologies. Collaborate with cross-functional teams to define test strategies, develop automated test scripts, and provide actionable insights to enhance product quality.

About Tessera Labs: At Tessera Labs, we are pioneering the integration of Artificial Intelligence into enterprise operations. Supported by Foundation Capital and led by an exceptional founding team, we create advanced multi-agent AI systems designed to automate intricate business workflows across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft. Our mission is to deliver genuine AI automation to enterprises with unmatched speed, precision, and measurable outcomes. We thrive on rapid execution, embrace accountability, and innovate at the cutting edge of applied AI.Job Overview:We are on the hunt for a dynamic Frontend Engineer who flourishes in a fast-moving, high-responsibility startup atmosphere. This hands-on position is ideal for a proactive individual who is ready to take charge of the user experience from ideation through to deployment. You will be expected to iterate swiftly based on user feedback while optimizing for performance, usability, and speed. Your role will involve designing and developing intricate UI components, interactive dashboards, and data visualizations that have a direct influence on our end users.If you are passionate about tackling challenging UI problems, delivering polished interfaces at a rapid pace, and collaborating in a supportive, low-ego environment, we invite you to apply for this exciting opportunity.

Astera Labs Inc., listed on NASDAQ as ALAB, creates connectivity solutions tailored for AI infrastructure. The company partners with hyperscalers and other technology leaders to advance modern AI systems. Its Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink, PCIe®, and UALink™ technologies, all supported by the COSMOS software suite. Learn more at www.asteralabs.com. Role overview The ATE Test Engineer Internship for 2026 is located in San Jose, CA. This role is intended for students or early-career engineers who have a strong foundation in software that interacts with hardware. Interns will focus on developing and executing production tests for System on Chip (SoC) products, working closely with Astera Labs’ engineering team. What you will do Work with experienced engineers to design and implement production tests for SoC products Contribute to testing strategies and draft parts of Automated Test Equipment (ATE) programs Coordinate with manufacturing partners on test execution Participate in deploying and running ATE solutions Requirements Experience with programming languages such as C++ and Python Understanding of computer architecture Interest in software solutions for hardware operations Strong communication and teamwork skills Proactive approach to problem-solving Growth path This internship provides exposure to the entire product lifecycle, from design through high-volume production, and can serve as a stepping stone to a full-time ATE Test Engineer position.

Join Lumilens as the Director of Silicon Test Engineering, where you'll lead a talented team in the development of cutting-edge silicon testing strategies. In this pivotal role, you will oversee the design, implementation, and optimization of test processes to ensure the highest quality standards are met. Your leadership will directly contribute to the advancement of our innovative technologies.