Engineer

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 HackerRank, we empower leading organizations such as NVIDIA, Amazon, and Microsoft to recruit and enhance the skills of the next generation of developers based on their abilities rather than their backgrounds. Our platform is relied upon by over 2,500 of the most forward-thinking companies globally to create robust engineering teams prepared to tackle future challenges.As the landscape of software development evolves, where humans and AI collaborate seamlessly, the criteria for identifying exceptional technical talent have transformed. We provide innovative solutions for companies to recognize and invest in emerging skills.Our team at HackerRank is passionate about the significance of their contributions and meticulously attends to every detail, ensuring that our customers achieve remarkable success with products they genuinely love. We operate with a sense of urgency, upholding high standards to foster outstanding outcomes.About the RoleEvery day, millions of developers utilize HackerRank to showcase their skills. We are in search of a Senior Backend Software Development Engineer, capable of steering the technical trajectory of crucial backend systems and spearheading the delivery of high-impact, platform-wide initiatives. You will take charge of the architecture and progression of core backend services, mentor engineers across various teams, and serve as a pivotal technical decision-maker to ensure our platform remains fast, reliable, and scalable as we expand our global user base.

At Forward Networks, we are revolutionizing the management and security of the world’s most intricate networks. Established in 2013 by a team of four Stanford Ph.D.s, we pioneered the development of the industry’s first network digital twin—a mathematically precise representation of the production network that provides IT teams with unparalleled visibility, verification, and agility across multiple cloud and vendor environments.Our esteemed clientele includes industry giants like Goldman Sachs, PayPal, S&P Global, IBM, and Dell, alongside rapidly growing enterprises and government bodies. According to IDC, our clients experience an average of $14.2 million in annual savings through enhanced efficiency and security.Supported by elite investors such as Andreessen Horowitz, Goldman Sachs, MSD Partners, and Threshold Ventures, we cultivate a people-centric and innovative culture where brilliant minds are at the forefront of advancing network reliability, security, and AI-driven operations.We are on the lookout for a seasoned Principal Backend Software Engineer to become a vital member of our Scaling team. In this crucial position, you will spearhead the development of our product’s fundamental components, ensuring seamless interaction with other services and systems. Your expertise will be key in optimizing our core data structures and enhancing our computational capabilities.

Join our dynamic team as a Backend Software Engineer specializing in .NET technologies! We are seeking a talented engineer who has a passion for creating scalable and reliable systems, particularly in the realm of identity and authentication technologies. In this role, you will play a crucial part in designing and developing core components of our platform, collaborating closely with experienced engineers to deliver high-quality, high-performance services that operate seamlessly at scale.Your responsibilities will include engaging in feature development, enhancing performance, and tackling technical challenges across distributed systems. This is an excellent opportunity for an engineer eager to expand their expertise in cloud platforms, identity solutions, and scalable architecture.Key Responsibilities:Collaborate with senior engineers in the design, development, and implementation of scalable and distributed systems.Contribute to the creation of new software components, APIs, and platform features.Participate in evaluating feature requirements and transforming them into technical designs.Write clean, maintainable, and well-tested code with an emphasis on performance and scalability.Employ automation and test-driven development practices to ensure high code quality and reliability.Assist in troubleshooting and resolving product issues raised internally or by customers.Work alongside cross-functional teams including product, infrastructure, and support.Engage in code reviews and learn best practices related to scalable system design.Contribute to the enhancement of existing components for improved reliability, efficiency, and maintainability.

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.

At NICE, we embrace challenges as opportunities to redefine our limits. We are a dynamic team of innovators and game changers, committed to achieving excellence and driving impactful solutions. If you're passionate about technology and eager to grow in your career, we invite you to explore this exciting opportunity with us. What does this role entail?As an Associate Software Engineer, you will be instrumental in developing and enhancing powerful backend systems that are vital for our Fraud Prevention and Anti-Money Laundering initiatives. We are looking for a self-motivated and experienced individual with a solid understanding of contemporary backend technologies.Your Impact:Design, develop, and maintain backend services and APIs.Collaborate with frontend developers, product managers, and other stakeholders to create scalable solutions.Ensure code quality through rigorous testing, code reviews, and adherence to industry best practices.Optimize application performance and troubleshoot any issues that arise.Engage in an agile development environment, participating in daily stand-ups and contributing to sprint planning.

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.

Join Integrated Resources Inc. as a Principal Engineer and be an integral part of our innovative team. In this role, you will lead engineering projects, mentor junior engineers, and drive technical excellence within our organization. Your expertise will be crucial in developing cutting-edge solutions that meet the needs of our clients.

Sustainable Talent is excited to collaborate with Nvidia, a renowned pioneer in computer graphics and accelerated computing with over 25 years of innovation. We are seeking a dedicated Validation Engineer to join our client’s team on-site in Santa Clara, CA.This full-time (W-2) contract role spans 6 months, offering competitive compensation ranging from $50/hr to $80/hr, commensurate with experience, education, and location. We also provide comprehensive benefits, paid time off, and a vibrant company culture!As a Validation Engineer, your primary responsibilities will include testing and analyzing issues across internal and OEM Windows platform configurations. You'll play a critical role in ensuring CI/CD quality, Windows driver compliance, OEM readiness (HLK/WHQL where applicable), and release readiness across system-level builds.

Join us in revolutionizing the future of energy! At Oklo, we are at the forefront of developing cutting-edge nuclear reactors. By utilizing your software engineering expertise, you will collaborate with a diverse team of engineers to model, simulate, design, and deploy innovative fission power technologies.This position focuses on refining our software development processes to ensure high-quality deliveries while adhering to compliance standards. You will play a pivotal role in supporting various internal teams by leveraging software and automation, enabling them to perform their tasks efficiently. As a dynamic startup, Oklo is expanding its capabilities, and you will have the chance to influence the engineering infrastructure's evolution. A background in nuclear energy is not a prerequisite; however, a strong desire to learn and explore is essential.

Join Yubico, the pioneer behind the most secure passkeys and a leading provider of hardware authentication security keys. Our mission is to simplify secure login for everyone. Founded in 2007 by Stina and Jakob Ehrensvard, Yubico is publicly traded on the Nasdaq Stockholm Main Market under YUBICO. We proudly serve Fortune 500 companies, numerous government agencies, and millions of users across over 160 countries, all relying on our technology to protect access to computers, online services, and mobile applications. Our diverse customer base includes industry giants like Google, Amazon, Microsoft, and Hyatt, as well as innovative companies like Dyson. With a strong company culture and a global presence, Yubico operates from headquarters in Stockholm, Sweden; Santa Clara, CA; and Singapore. In alignment with our commitment to enhancing internet security, we contribute YubiKeys to organizations supporting at-risk individuals through our philanthropic initiative, Secure it Forward.At Yubico, we offer:Yubico Values: We cultivate an inclusive workplace where every voice is valued. Our employees have formed vibrant Employee Resource Groups that promote inclusivity and foster community connections. Additionally, we donate YubiKeys to those in need worldwide (learn more about our initiatives here).Social Connection: We cherish relationships and connectedness, enjoying time together as a team! Our virtual workspace allows us to stay connected daily, whether celebrating our achievements or engaging in our lively Slack communities. Explore our Life at Yubico Page on LinkedIn and discover our awards here.The Role:Yubico is on the lookout for a seasoned Director of Engineering to lead and scale our distributed Production & Fulfillment Systems software development team. This team collaborates closely with our hardware, solutions engineering, and production teams to develop enterprise-grade, secure, reliable, and integrated software for mass-producing YubiKey devices.

Join Arista Networks as a Mechanical Engineer, where you'll play a pivotal role in designing and developing innovative mechanical systems that drive our cutting-edge networking solutions. Collaborate with cross-functional teams to create efficient and reliable products that meet the highest standards of quality and performance.

We appreciate your interest in joining Oklo! We are on the lookout for a dedicated and detail-oriented Engineering Technician to enhance our mechanical prototyping team.Position OverviewThe Engineering Technician will collaborate with mechanical prototype engineers to create, assemble, test, and implement unique prototypes, tools, fixtures, and jigs. You will transform sketches and CAD designs into high-quality components, while ensuring a safe, clean, and organized workshop environment. Your responsibilities will encompass fabrication, assembly, test setup, instrumentation, and data collection.Key Responsibilities Include:Fabricating, assembling, and refining unique prototypes, tools, fixtures, and jigs using sketches, CAD, and verbal instructions.Interpreting drawings, tolerances, and assembly notes.Preparing stock materials through cutting, drilling, tapping, and fitting parts with common shop tools; operating basic machinery (saws, grinders, drills, manual mills/ lathes).Performing light welding tasks (MIG/TIG preferred) and assisting experienced welders as necessary.Setting up and executing mechanical tests (load, pressure, thermal, vibration, fit/function), including fixture construction and instrumentation.Installing and calibrating sensors.Collecting, recording, and organizing test data; documenting results with photographs and notes.Troubleshooting assembly and testing issues; conducting root cause analysis and implementing effective fixes.Maintaining a safe, clean, and organized workshop (5S experience is a plus); managing waste streams and enforcing PPE and safety protocols.Conducting basic preventive maintenance on shop equipment; documenting issues and coordinating repairs.Assisting with kit builds by gathering hardware and materials, labeling components, and maintaining build documentation.Handling parts procurement by sourcing COTS hardware and materials, requesting quotes, placing orders, and tracking deliveries.Receiving and inspecting incoming parts; verifying dimensions and finishes against specifications.

About Halo Industries Halo Industries develops advanced laser-based technology that changes how semiconductor materials are sliced. The company’s approach aims to reduce waste, improve cost efficiency, and support progress in sectors like automotive, telecommunications, and power electronics. Founded in 2014 at Stanford University, Halo Industries secured significant funding in 2024 and is now expanding manufacturing and building new partnerships. Facilities Engineer Role Overview The Facilities Engineer will support the safe and efficient operation of Halo Industries’ Santa Clara facility. This role focuses on designing, maintaining, and upgrading infrastructure systems, including HVAC, electrical, and plumbing. The position involves hands-on work, oversight of facility layouts, and ensuring compliance with safety and building regulations. Strong technical skills, project management experience, and a proactive approach are essential. Main Responsibilities Building Systems Maintenance: Supervise installation, maintenance, and repair of mechanical, electrical, and plumbing systems, such as HVAC, lighting, and fire protection. Preventive Maintenance: Create and run a preventive maintenance program to minimize downtime and extend equipment life. Project Management: Lead facility projects, including renovations, equipment upgrades, and office changes. Manage budgets, schedules, and contractor performance. Safety and Compliance: Ensure the facility meets all local, state, and federal requirements, including OSHA, EPA, and building codes. Conduct safety inspections and drills. Vendor and Contractor Management: Request bids, negotiate contracts, and oversee work by vendors and contractors to maintain quality and control costs. Energy Management: Find and implement ways to save energy, lower operating costs, and support sustainability goals. Emergency Response: Serve as a primary contact for facility emergencies and maintain emergency response plans. Space Planning: Support space planning and office moves to meet changing organizational needs.

Join Arista Networks as an Electromechanical Component Engineer where you will be at the forefront of innovating and enhancing our cutting-edge electromechanical components. Your role will involve collaborating with cross-functional teams to design, develop, and optimize components that meet rigorous performance standards.

Join us in a thrilling phase of technological advancement as we revolutionize the data storage landscape. Here at Pure Storage, you will lead with innovative ideas, evolve alongside us, and collaborate with the brightest minds in the industry.This is the type of work that defines the tech sector—work that has the potential to change the world. If you’re eager to embrace limitless possibilities and make your mark, we invite you to be part of our journey.THE ROLEBecome an integral member of our elite engineering team, dedicated to crafting the next generation of enterprise storage solutions. As a vital contributor, you will spearhead innovation efforts by developing and refining the Linux kernel to enhance performance and reliability. Your expertise will play a pivotal role in shaping our future products, as you collaborate with a talented team to tackle complex challenges and achieve groundbreaking results.WHAT YOU'LL DODesign and implement new features in the Linux kernel to support Pure’s enterprise storage offerings.Maintain and patch existing code to address challenging issues, including those reported by customers.Optimize kernel performance within Pure’s systems to satisfy customer needs.Collaborate with cross-functional teams, partners, and vendors to troubleshoot and resolve hardware-software integration issues.Lead software architecture and development from concept through to release, ensuring high-quality, resilient, and high-performance outcomes.Mentor peers and share knowledge to foster a collaborative environment.Engage in code reviews and work with cross-functional teams to define requirements for upcoming projects.

About Blue River Technology Blue River Technology, based in Santa Clara, CA, builds intelligent machinery to help clients tackle complex challenges. The team’s work supports safer, more sustainable practices for farmers, construction crews, and foresters, aiming to boost profitability and reduce reliance on scarce labor. Precision and attention to detail guide every project, from individual pixels to entire workflows. Role Overview: Senior Robotics Engineer This role centers on developing and improving simulation infrastructure and robotics software to advance the company’s digital-twin and site mapping capabilities. Collaboration with other engineers and hands-on tool development are key parts of the job. Main Responsibilities Create and maintain simulation infrastructure to support digital-twin simulation, enabling thorough testing and quick debugging. Design workflows and tools for job site mapping. Work closely with engineering teams to improve tools for processing raw and semi-raw sensor data for simulation use. Contribute to robotics software development using C++ and Python. Build visualization tools for camera geometry, including fields of view and overlap in multi-camera systems. Required Qualifications Bachelor’s degree in a STEM field and at least 5 years of relevant experience. Proficiency in developing camera visibility models, including camera intrinsics, distortion correction, extrinsics, and mechanical tolerances, using Blender and OpenCV (minimum 4 years). Experience designing and deploying distributed simulation systems on AWS for scalable digital-twin environments with real-time sensor data processing (any experience level). Ability to define and extend onboard and machine-to-machine communications using MQTT and DDS middleware, as well as Protobuf and OMGIDL message schemas (at least 1.5 years). Expertise in developing real-time simulation tools with ray tracing software to improve perception inputs (minimum 1 year). Experience creating and maintaining Bazel build targets for efficient builds across different computing architectures (minimum 1 year). Remote work from anywhere in the US is possible, with occasional office visits. Up to 10% domestic travel may be required for engineering testing.

Archer Aviation is an innovative aerospace company situated in San Jose, California, dedicated to creating an all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility, designing and manufacturing an aircraft capable of carrying four passengers with minimal noise output.We aim high and tackle complex challenges, believing that workplace diversity enriches our problem-solving capabilities, leading to greater insights and collective success. We strive to foster an equitable and inclusive environment that celebrates the unique contributions of every team member.About The Role:As we ramp up production of our cutting-edge Midnight 1.0 aircraft and develop the next-generation Midnight 1.1 platform, you will play a pivotal role within the Manufacturing Design Engineering (MDE) team, linking aircraft design and production seamlessly.In this position, you will lead the manufacturing strategy for aircraft structures and act as a technical expert responsible for defining and scaling the production processes, supporting aircraft builds from prototype stages to early production.You will collaborate across teams, including Design, Quality, Supply Chain, and Certification, to implement industry-leading manufacturing solutions for both current and future aircraft models.What You’ll Do:Provide leadership and technical guidance for structural assembly and integration processes, overseeing both prototype and production assembly sequencing.Manage the complete lifecycle of structural component builds, collaborating with design, quality, and certification teams to embed manufacturing best practices.

Thank you for considering a career with Oklo! We are on a mission to revolutionize the energy sector, and we invite you to join our dynamic team as a Systems Engineer focused on Requirements and Integration. In this exciting role, you will leverage your 3-5 years of experience in requirements management within regulated industries to support our multidisciplinary engineering projects. Your expertise will ensure that requirements are meticulously structured, traceable, verifiable, and seamlessly integrated into our product lifecycle, ultimately contributing to the design and deployment of innovative products and services at Oklo.Lead the configuration and application of Siemens Teamcenter Requirements for the development and management of requirements within engineering teams.Collaborate closely with design, analysis, and regulatory teams to establish and maintain clear, verifiable, and traceable requirements.Develop and sustain requirement hierarchies, traceability matrices, and verification plans.Promote consistency and quality of requirements across technical disciplines to ensure compliance with regulatory and safety standards.Provide training and support to team members on Siemens Teamcenter Requirements and best practices in requirements development.