Software Development Engineer in Test (SDET) - Hybrid

At HackerRank, we empower leading companies like NVIDIA, Amazon, and Microsoft to recruit and upskill the next generation of developers based on their skills, not their resumes. Trusted by over 2,500 of the world's most innovative companies, our platform is designed to build strong engineering teams equipped for the future.As we enter an era where humans and AI collaborate seamlessly, the criteria for exceptional technical talent is evolving. We provide companies with enhanced methods to recognize and nurture future-ready skills.Our team at HackerRank is passionate about the impact of our work, focusing on the finer details to ensure our customers achieve remarkable success with products they genuinely love. We operate with a sense of urgency, believing that exceptional results stem from high standards.About the RoleAs a Software Development Engineer in Test (SDET), you will be pivotal in defining and executing our quality strategy driven by automation across web, API, and AI-centric systems.You will collaborate closely with Engineering and Product teams to embed quality into every feature, enforcing it through robust automation and safeguarding it with rigorous release gates. This is a hands-on role with significant technical depth, ownership, and impact.What You’ll DoLead and standardize test automation practices across diverse teams and services.Design, develop, and maintain scalable automation frameworks utilizing Playwright and SerenityJS.Create automated test suites in JavaScript/TypeScript for web, API, and workflow validation.Develop and sustain REST API automation using Postman or similar tools.Integrate automation seamlessly into CI/CD pipelines with Jenkins and/or GitHub Actions.Implement mandatory quality gates, preventing releases based on automation or sanity test failures.Monitor automation executions, analyze failures, and drive root-cause analysis.Conduct code reviews for automation to ensure consistency, reusability, and maintainability.Collaborate during design and story elaboration to define acceptance criteria and risk coverage.Mentor QA and engineering teams on automation frameworks, tooling, and best practices.Contribute to automation metrics, reporting, and continuous improvement initiatives.Who You Are3+ years of experience in QA Automation or as an SDET.Strong hands-on experience with Playwright and SerenityJS (JavaScript/TypeScript).Proficient in JavaScript/TypeScript for developing reliable, maintainable, and scalable automation solutions.

WHO WE ARE: At Aviatrix, we empower enterprises to secure their cloud workloads effectively. Our innovative solution, the Aviatrix Cloud Native Security Fabric (CNSF), provides comprehensive runtime security and enforcement directly within the cloud application infrastructure. Unlike traditional cybersecurity approaches that focus solely on securing entry points, our platform closes existing gaps, enhancing visibility and control for organizations. Join us in driving developer velocity and embracing the future of AI and serverless technologies. For more details, visit www.aviatrix.ai.ABOUT THE ROLE:We are seeking a motivated Software Development Engineer in Test (SDET) to become an integral part of the Aviatrix Test Infrastructure team. You will be responsible for maintaining and enhancing our hermetic integration test framework, developing testing tools and dashboards, and supporting developers across Aviatrix in delivering high-quality software solutions. This position is ideal for early-career engineers passionate about quality assurance, test automation, and improving developer productivity within a dynamic and collaborative environment.

In the evolving landscape of data security, where information is dispersed across multiple clouds and devices, conventional security practices are no longer sufficient. Companies require a robust and adaptive strategy to counteract relentless cyber threats and guarantee dynamic data protection. Fortanix stands at the forefront of data-centric cybersecurity, delivering cutting-edge solutions for hybrid multicloud environments through advanced cryptography, encryption, and confidential AI technologies.With the rise in data breaches and the inadequacy of traditional defenses, our focus is on managing data exposure to safeguard your information. Our comprehensive data security platform tackles vulnerabilities in hybrid multicloud settings, defends against various threats, and simplifies the process of discovering, assessing, and mitigating data exposure risks. Whether implementing a Zero Trust model or gearing up for the post-quantum computing era, we empower businesses globally to protect their most sensitive data, no matter where it resides.Our dedication to overcoming the world’s most challenging data security issues has earned Fortanix numerous Cybersecurity Excellence and Innovation Awards, along with recognition from industry giants like NVIDIA, Microsoft, Intel, ServiceNow, and Snowflake.Our team comprises industry pioneers and cryptography specialists, fostering a culture of trust, innovation, and collaboration where every voice matters. Honored as a Great Place to Work, we seek passionate individuals eager to influence the future of data security and contribute to a safer digital world.

Role overview The Senior Software Engineer II for Developer Experience at Carta will design and build tools and systems that support engineering teams. The focus is on making workflows more efficient and enabling teams to deliver high-quality products. What you will do Collaborate with cross-functional groups to identify and address challenges in developer workflows Develop and enhance tools that make software development more scalable and intuitive Use software engineering skills to create solutions that improve daily life for engineers Support systems that help Carta teams deliver products aligned with client needs Location This role is based in San Francisco, CA; Santa Clara, CA; or New York, NY.

At d-Matrix, we are dedicated to unlocking the transformative potential of generative AI to redefine technology. Positioned at the leading edge of software and hardware innovation, we continually challenge the limits of possibility. Our workplace culture emphasizes respect and collaboration.We foster humility and value direct communication, creating an inclusive team where diverse perspectives lead to superior solutions. We invite individuals who are enthusiastic about overcoming challenges and who possess a strong execution drive. Are you ready to join us and explore the exciting realms of AI? Together, we can shape the infinite possibilities of this technology.Position Overview:As a Principal Software ML Test Engineer, you will lead junior team members in test planning, automation, and execution to productize the d-Matrix AI compute engine. You will contribute to the Software Qualification team, responsible for developing test suites, test cases, and testing infrastructure. Collaborating closely with software development teams, you will design, automate, and execute software and system use cases relevant to our next-gen AI chip software stack. Your role will involve implementing Python programs to test workloads and ML models within the Pytest framework, enhancing our end-to-end test suite and regression test suite in a CI/CD environment utilizing Jenkins and GitLab. You will work alongside the product, software development, and systems teams to ensure effective test coverage and results. Engaging fully in test case implementation, bug triaging, and debugging, you should be adept in advanced Python programming, capable of developing data structures and algorithms for testing purposes.

Join Our TeamAt Arista Networks, we are on the lookout for exceptional Software Test Engineers, also known as System Test Engineers, to contribute to the development of top-tier networking products for our AGNI team.The Arista Guardian for Network Identity (AGNI) is our cutting-edge solution for network identity and access management. It ensures secure authentication, authorization, and visibility for users, devices, and applications accessing the network. Built on a cloud-native, microservices architecture, AGNI utilizes ML/AI technologies to streamline operations, support zero-trust security, and scale with modern enterprise networks. It seamlessly integrates with existing identity sources and network infrastructure, available as both a SaaS and on-premises solution.If you are passionate about networking, energized by navigating complex network topologies, and thrive on the challenge of uncovering elusive bugs, this role is perfect for you. You will engage with our products just as our end customers do, ensuring their functionality and reliability.Your mission will be to identify the challenging bugs that evade the developers’ automated unit and product-level tests. Instead of spending hours on manual regression testing of extensive test plans, you will work in a dynamic environment where Arista's developers automate fundamental functional and integration tests.Thanks to our collaborative culture, you will work closely with various engineering teams, developers, POC engineers, and account teams to explore, identify, and resolve software issues before they reach our customers. We take quality seriously, and we want you to be our champion for software excellence!Your ResponsibilitiesCollaborate with developers to create automated testing plans that enhance your exploratory testing efforts.Contribute to functional specification and software design reviews, providing insights focused on customer needs.Operate in a highly productive environment alongside top engineers on the Linux platform, significantly reducing typical development cycles with an unwavering commitment to quality.Utilize all available resources to identify bugs in the software and hardware developed by your team.Draft test plans to validate the features and products of Arista.Design test network topologies to assess functionality, performance, stability, and scalability.

Join Arista Networks as an Entry Level Software L1 Test Engineer where you will play a crucial role in enhancing the quality of our cutting-edge software solutions. You will be involved in the testing process, ensuring that our products meet the highest standards of performance and reliability.

WHO WE ARE:Aviatrix is on a mission to secure cloud workloads for enterprises. We provide a comprehensive solution for cloud security that goes beyond traditional methods by offering runtime security and enforcement within the cloud application infrastructure. Our innovative Cloud Native Security Fabric (CNSF) closes the gaps between existing solutions, helping organizations regain visibility and control over their cloud environments. We empower security, cloud, and networking teams to accelerate developer velocity and embrace emerging technologies such as AI and serverless computing. Learn more at www.aviatrix.ai.ABOUT THE ROLE:We are seeking a Senior Member of Technical Staff, Software Development Engineer in Test (Sr. MTS SDET) to enhance our Test Infrastructure team. In this pivotal role, you will spearhead the development and optimization of our hermetic integration test framework, design testing tools and dashboards, and collaborate with developers across Aviatrix to ensure high-quality software delivery. Your contributions will significantly impact our test infrastructure initiatives, bolster developer enablement, and elevate overall engineering quality.

Join nEye.ai, a pioneering startup in optical switching technology, set to transform data centers. Our innovative MEMS-based silicon photonics optical circuit switches (OCS) address critical bottlenecks in AI processing by facilitating direct optical links among thousands of GPUs and memory units. Our flagship product, the SuperSwitch, is designed for ultra-low power consumption and high radix performance, offering hyperscale data centers exceptional efficiency and scalability. Position Overview We are seeking a dedicated Station Software Engineer to develop and maintain the software stack for our product validation and qualification stations. This role will involve collaboration across various teams, playing a key part in advancing our testing capabilities from initial bench-level exploration to high-throughput reliability and performance validation. Reporting to the Head of Product Validation Engineering, you will take ownership of the station-level control layer, instrument drivers, data pipelines, and test execution frameworks. Your contributions will enable our engineering teams to effectively characterize, debug, and qualify our cutting-edge silicon photonic platforms with reliability and efficiency.

Join our dynamic team as a Senior Manufacturing Test Engineer where you will spearhead the planning, development, and deployment of software testing and tools for both internal and external clients. Your expertise will play a crucial role in ensuring product validation and production efficiency.This position involves collaborating with a diverse range of customers, partners, and vendors, requiring both software and hardware development skills. The manufacturing tests you design will be instrumental for Engineering teams in product validation and should also be adaptable for service environments.

Join our innovative team at Mindlance as a Software Engineer specializing in Development Infrastructure. In this role, you will collaborate with cross-functional teams to design, build, and maintain scalable infrastructure solutions that support our development processes. Your expertise will contribute to enhancing our systems, enabling our engineers to deliver high-quality software efficiently.

Archer Aviation is an innovative aerospace company headquartered in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility, allowing four passengers to travel quietly and efficiently.We strive for excellence in our endeavors and recognize that a diverse workforce enriches our problem-solving capabilities and fosters success. Our commitment to creating an equitable and inclusive workplace supports and celebrates the unique contributions of every team member.About the Role:As a Staff Manufacturing Test Engineer, you will play a crucial role within the Manufacturing Engineering team. Your primary responsibility will be to conduct functional and end-of-line testing on fully assembled aircraft, ensuring they adhere to performance, integration, and system-level standards prior to delivery and flight testing. Your expertise will be essential in validating that each aircraft build meets operational expectations by verifying systems, software, electrical behavior, and overall readiness for functionality.Your Responsibilities:Develop and manage the comprehensive functional test strategy for aircraft systems throughout the manufacturing process, from initial builds to certified production.Facilitate cross-functional collaboration among manufacturing, design engineering, flight testing, and certification teams to establish test requirements and ensure thorough coverage.Design and implement automated testing solutions to enhance quality, consistency, and production efficiency.

About the Role HackerRank is hiring a Backend Engineer II for its hybrid office in Santa Clara, CA. This role focuses on building and improving backend systems that support developers and coding experiences. The team values collaboration across engineering, product, and other groups to deliver features that scale and perform reliably. What You Will Do Work with cross-functional teams to design and implement backend features Develop and optimize scalable backend systems Apply backend technology expertise to support HackerRank’s mission of simplifying coding challenges for developers Location This position is hybrid, based in Santa Clara, CA.

At d-Matrix, we are dedicated to unlocking the transformative power of generative AI in technology. As pioneers in software and hardware innovation, we continually redefine what is possible. Our work culture fosters respect and collaboration.We embrace humility and value open communication. Our inclusive team thrives on diverse perspectives that lead to superior solutions. We are on the lookout for individuals who are not only passionate about overcoming challenges but are also execution-oriented. Are you ready to explore your potential? Together, we can shape the limitless possibilities of AI.Location:Our headquarters is in Santa Clara, CA, but we welcome candidates from other locations within the US and Canada.The Role: Software Engineer, Developer and Qualification ToolsWhat You Will Do:Join our team responsible for creating developer and diagnostic tools for d-Matrix's state-of-the-art AI inference accelerators. You will be tasked with the design, development, enhancement, and maintenance of essential tools such as debuggers and profilers, along with hardware diagnostic tools for our cutting-edge hardware and software stack.

Join our dynamic team at Mindlance as a Senior Software Engineer. In this pivotal role, you will leverage your extensive experience in software development to drive innovative solutions and contribute to impactful projects. Collaborate with cross-functional teams to design, develop, and maintain high-quality software systems that meet our clients' needs.

About the Position:Step into the future of robotics and human interaction with Cobot. Our team is comprised of visionary innovators dedicated to transforming how humans and robots collaborate. We envision a world where robots seamlessly integrate into daily life, adapting and responding to our needs rather than the other way around.Do you have a passion for validating complex robotic systems? Are you skilled in designing comprehensive test frameworks that assess integration, reliability, and performance? If so, we invite you to apply for the role of Senior Systems Test Engineer within our robotics division. This pivotal position will drive the validation strategy for our robots as complete systems, ensuring their impeccable performance in real-world scenarios. You will be responsible for building test infrastructure, creating system-level testing plans, and overseeing validation processes that encompass firmware, embedded control, autonomy, and mechanical systems.This role is based at our headquarters in Santa Clara, CA.Key Responsibilities:Design and implement system-level validation strategies to confirm optimal robot behavior in real-world conditions.Develop and enhance automated test infrastructure across hardware and software integration points.Create scenario-based validation plans focused on robot behavior, performance, reliability, and safety metrics.Investigate and troubleshoot complex hardware and software issues, from low-level interfaces to high-level autonomy.Build and expand simulation and hardware-in-the-loop (HIL) test environments for thorough system validation.Establish processes to monitor test coverage, regression, and performance metrics over time.Work closely with engineering teams across embedded software, perception, controls, and mechanical/electrical domains.Collaborate with cross-functional stakeholders to support targeted verification and validation efforts.Contribute to tools for test automation, diagnostics, telemetry, and log analysis.

Join StemXpert1 as a Field Test Engineer, where you will be an integral part of our innovative team. In this role, you will conduct field tests on our cutting-edge technology products to ensure they meet the highest quality standards. Your attention to detail and technical expertise will directly impact our product development cycle.

Join ServiceNow as a Senior Software Engineer and contribute to the development of innovative software solutions. In this role, you will be responsible for designing, coding, and enhancing software applications that support our clients in achieving their business objectives. You will collaborate with cross-functional teams, ensuring high-quality deliverables and performance optimization.

Oklo is looking for a Software Development Lifecycle Specialist to shape how software is built, tracked, and delivered. This position is open to candidates based in Santa Clara, CA or working remotely. Role overview This role centers on improving Oklo’s software development lifecycle. The specialist will help ensure each stage meets quality standards and complies with both internal policies and external regulations. Collaboration is key: expect to work closely with teams across the company to build out processes, tools, and governance frameworks that support engineering transparency and effectiveness. Oklo is formalizing its lifecycle approach while aiming to keep the speed and flexibility of a startup. The person in this role will help define how software is scoped, monitored, governed, and released throughout the organization. No background in nuclear technology is required. Success will come from strong systems thinking, attention to detail, a proactive approach, and curiosity about the work. What you will do Develop and maintain software lifecycle standards, templates, and workflows using GitLab and Jira. Ensure traceability across requirements, design documents, code, testing, and validation activities. Work with engineers to support accurate scoping, manage backlogs, and coordinate milestones. Partner with DevOps and Engineering Infrastructure to define standards for change control and configuration management. Support audit readiness by making sure lifecycle documentation is complete and reproducible. Define lifecycle standards such as Definition of Done and release controls. Build reporting and dashboards that highlight lifecycle health, risks, and delivery status. Spot and address gaps in the software lifecycle to improve engineering workflows. Translate compliance requirements into practical engineering processes. Evaluate and recommend tooling improvements that strengthen lifecycle integrity without adding unnecessary overhead.