Backend Engineer II

Join our dynamic team at HackerRank as a Machine Learning Engineer! In this pivotal role, you'll be responsible for designing and implementing machine learning models that enhance our platform's capabilities. Collaborate with cross-functional teams to leverage data-driven insights, improve user experiences, and contribute to innovative solutions in the tech industry.

Join our dynamic team at HackerRank as a Machine Learning Engineer focusing on Evaluation. In this role, you will leverage your expertise in machine learning algorithms to drive the evaluation and enhancement of our innovative coding platform. Collaborate with cross-functional teams to develop robust models and ensure optimal performance across our systems.

At HackerRank, we empower companies like 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 world's most innovative organizations to create robust engineering teams prepared for future challenges.In an age where humans and AI collaborate seamlessly, the characteristics of strong technical talent are evolving. We provide companies with improved methods to recognize and cultivate the skills of tomorrow.Our team at HackerRank is passionate about the impact of our work, focusing on the details that drive success for our customers through products they truly appreciate. We operate with urgency, believing that exceptional outcomes stem from maintaining high standards.About the TeamAs a vital member of the Strategic Accounts Team in North America, you will engage with clients that include 20% of the Fortune 500, such as Amazon, Microsoft, Uber, Goldman Sachs, JPMorgan, Ford, and Disney. This is an exceptional opportunity to join a seasoned team backed by stable leadership and a history of extraordinary success.About the RoleWe seek a driven sales professional who can take full ownership of generating New Business opportunities with organizations headquartered in North America that have over 10,000 employees. If you excel in dynamic environments, enjoy the challenge of building a sales pipeline, and possess a strong proactive mindset, you will thrive in this role. Essential traits for success include Grit, Collaboration, Creativity, and Extreme Ownership.What You’ll DoDrive Outbound Motion: Identify, target, and engage clients who require HackerRank’s Developer Skills Platform solutions.Identify Opportunities: Collaborate with the Growth Team to pinpoint prospects and generate demand.Close Deals and Deliver Revenue: Act with urgency to propel business growth.Develop Strong Relationships: Engage with key decision-makers in Talent Acquisition, Engineering, HR, Learning & Development, and technical leadership across prospective clients.Be the Voice of the Customer: Offer insights to the product team to shape the product roadmap and enhancements.Collaborate Cross-Functionally: Work alongside sales, marketing, product, and customer success teams.

At HackerRank, we empower leading organizations such as NVIDIA, Amazon, and Microsoft to recruit and enhance the capabilities of the next generation of developers, focusing on skills rather than traditional qualifications. Our platform is a trusted resource for over 2,500 of the world's most innovative companies, helping them cultivate robust engineering teams prepared for future challenges.As we navigate a transformative era where human and AI collaboration is paramount, the criteria for identifying elite technical talent is evolving. We provide organizations with improved strategies for recognizing and nurturing next-generation skills.Our team is passionate about the impact of their work and meticulously attends to every detail to ensure our customers achieve remarkable success with the products they love. We operate with a sense of urgency and hold ourselves to the highest standards.As a Sales Operations Analyst, you will report to the Revenue Operations Team Lead and play an essential role in ensuring the seamless functioning of our go-to-market (GTM) engine. You will collaborate closely with sales, marketing, and revenue operations teams, executing established processes, maintaining system integrity, and providing insights that shape our sales strategies. This opportunity is ideal for an individual early in their revenue operations career who is eager to grow within a meaningful function.

Join the dynamic team at HackerRank as a Machine Learning Engineer. In this pivotal role, you will design, implement, and optimize machine learning models that enhance our platform's capabilities. Collaborating with cross-functional teams, you'll leverage data-driven insights to tackle complex challenges and drive innovation in technical assessments.As a key player in our hybrid environment, you will have the opportunity to work closely with engineers and product managers, contributing to the development of cutting-edge solutions that empower developers worldwide.

At HackerRank, we empower companies like NVIDIA, Amazon, and Microsoft to discover and nurture the next generation of developers by focusing on skills over traditional backgrounds. Our platform is the preferred choice for over 2,500 innovative companies worldwide, dedicated to building robust engineering teams for the future.In an age where software development merges human expertise with AI capabilities, the criteria for assessing technical talent are evolving. We offer companies enhanced strategies to identify and cultivate the skills of tomorrow.The team at HackerRank is passionate about the impact of their contributions. We value meticulous attention to detail to ensure our customers achieve remarkable success with our beloved products. We prioritize urgency and believe that excellence is achieved through high standards.About the RoleAs a Technical Support Engineer, you will play a crucial role in assisting customers with HackerRank's products and platform. You will analyze and resolve intricate issues, collaborate closely with engineering and product teams, and empower customers to fully leverage the advantages of our technology. Your contributions will significantly enhance system reliability, alleviate user friction, and improve overall user experience.Key ResponsibilitiesTroubleshoot and resolve issues across the HackerRank platform, including web applications, APIs, ATS integrations, and developer tools.Work in tandem with engineering teams to replicate issues, determine root causes, and confirm solutions.Assist customers with SSO (SAML/OIDC) and SCIM integration setups, primarily with Okta and other identity providers.Demonstrate exceptional ownership and communication skills, confidently engaging with customers through support tickets and live Zoom sessions.Your Qualifications2+ years of experience in a technical support or product support role within a SaaS environment.Proficient in debugging full-stack web applications and effectively utilizing developer tools.Knowledgeable in SQL, REST APIs, and familiar with tools such as Postman, Insomnia, or cURL.Basic coding skills in Python or Ruby for automation or simple data validation tasks.Comfortable using IDEs like VS Code, IntelliJ, or PyCharm for testing and debugging.Preferred QualificationsExperience in HR technology, developer tools, or assessment platforms.Ability to create scripts and tools that streamline and standardize troubleshooting processes.Familiarity with AWS or GCP and observability tools such as New Relic.

HackerRank helps companies like NVIDIA, Amazon, and Microsoft build engineering teams based on skill. Over 2,500 organizations trust our platform to improve hiring and developer training. As AI and human collaboration reshape technical talent, we focus on practical ways for companies to identify and invest in tomorrow’s skills. Our team cares about the details that help customers succeed with products they enjoy. We move with urgency and hold ourselves to high standards. Role Overview The Web Experience Engineer joins the brand experience team, working to make every interaction with the HackerRank brand authentic and memorable. This team values craftsmanship and uses technology to strengthen our impact. We’re looking for a design engineer skilled in Framer who can help raise our standards and shape how our brand is experienced online. This position sits at the intersection of design and development. It involves close collaboration with product, marketing, and executive stakeholders to bring our vision to life through engaging, modern web experiences. The engineer will own the Framer site and its component system, working alongside designers and content creators to build polished, production-ready marketing pages with immersive, interactive elements. What You Will Do Own and maintain the component library, including custom coded components, balancing innovative motion and interaction with performance and scalability. Write and review custom code to ensure it is production-ready and secure. Manage the CMS database and handle integration of third-party tools when needed. Collaborate closely with designers and content creators, demonstrating strong aesthetic and creative skills. Optimize page performance for international users across devices and connection speeds, using graceful degradation where appropriate. Prototype new ideas quickly and work with Framer and Figma MCPs to move concepts from idea to live site efficiently. Location This is a hybrid role based in Santa Clara, CA.

Join PlusAI, a pioneering Physical AI company at the forefront of developing AI-driven virtual driver software for autonomous trucks. Based in Silicon Valley with a global presence, PlusAI has been recognized by Fast Company as one of the World’s Most Innovative Companies. We collaborate with industry leaders including TRATON GROUP’s Scania and MAN, Hyundai Motor Company, and Bosch to revolutionize the future of transportation. If you are eager to make a significant impact and contribute to the evolution of autonomous driving, PlusAI is seeking skilled professionals to enhance our dynamic teams.We are in search of a Senior Machine Learning Engineer specializing in deep learning and data analytics. In this critical role, you will leverage advanced data-driven methodologies to create high-fidelity, scalable vehicle simulation models customized for various platforms. You will work closely with cross-functional teams to propel autonomous driving innovations and advance simulation and modeling capabilities.

At d-Matrix, we are dedicated to unlocking the transformative power of generative AI technology. Positioned at the cutting edge of both software and hardware innovation, we continually strive to expand the boundaries of what technology can achieve. Our vibrant workplace culture emphasizes respect and collaboration.We believe in the values of humility and direct communication, fostering an inclusive team environment. Our diverse perspectives lead to innovative solutions. We are looking for passionate individuals who thrive on challenges and are motivated by tangible results. Are you ready to explore your potential? Together, we can shape the limitless possibilities of AI.LocationThis role is hybrid, requiring onsite work at our headquarters in Santa Clara, CA, for three days each week.12-Week Internship Program: June 1st - August 21st or June 22nd - September 11thRole OverviewAs a Machine Learning Research Intern, you will be part of our dynamic Machine Learning Team, focusing on exploring algorithm-hardware co-design research paths within d-Matrix's comprehensive solutions. You'll collaborate with a group of exceptional professionals dedicated to researching and developing cutting-edge deep learning techniques that are optimized for d-Matrix's AI compute engine. Additionally, you will have the chance to work alongside leading academic institutions, assisting customers in optimizing and deploying their workloads for practical AI applications on our platforms.Your Responsibilities:Design, implement, and assess efficient deep neural network architectures and algorithms tailored for d-Matrix's AI compute engine.Collaborate with both internal and external ML researchers to achieve R&D objectives.Work closely with the Software team to fulfill stack development milestones.Conduct research that informs hardware design decisions.Develop and maintain tools for high-level simulation and research purposes.Port and optimize customer workloads for deployment, create reference implementations, and evaluate their performance.Provide timely and effective progress reports and presentations.Contribute to the publication of research papers and intellectual property.Qualifications:Currently pursuing a Master's or PhD in Computer Science, Electrical and Computer Engineering, or a related scientific field.Strong foundation in machine learning algorithms and deep learning frameworks.Experience with programming languages such as Python or C++.Excellent communication skills, both verbal and written.Ability to work effectively in a collaborative team environment.

About Forward Networks Forward Networks, Inc. builds technology that helps manage and secure complex networks. Founded in 2013 by four Stanford Ph.D.s, the company created the first network digital twin, a mathematical model of real production networks. This platform gives IT teams detailed visibility, verification, and flexibility across many cloud and vendor environments. Customers include organizations like Goldman Sachs, PayPal, S&P Global, IBM, Dell, as well as government agencies and growing companies. IDC reports that customers see an average of $14.2 million in annual benefits through improved efficiency and security. Forward Networks is backed by investors such as Andreessen Horowitz, Goldman Sachs, MSD Partners, and Threshold Ventures. The company values a people-focused, inventive culture and welcomes those interested in advancing network reliability, security, and AI-driven operations. Role Overview: Data Scientist This Data Scientist position is based in Santa Clara, CA. The role covers the entire data lifecycle, from ingestion and modeling to deploying production data systems. The position is designed for someone who prefers practical, end-to-end work and wants to make a direct impact. The Data Scientist reports to the CTO and works with modern AI-assisted development tools, allowing for meaningful engineering contributions. What You Will Do Work across all stages of the data lifecycle: ingest, model, and productionize data systems Develop and maintain critical data infrastructure Collaborate directly with the CTO and other engineering teams Use AI-assisted tools to support engineering and data science tasks Location Santa Clara, CA

About Halo IndustriesAt Halo Industries, we are revolutionizing the semiconductor manufacturing process with our innovative technology that replaces traditional wire saw slicing methods, which currently lead to substantial material waste. Our advanced laser technology significantly minimizes waste during the production of silicon carbide (SiC) substrates, enhancing material efficiency and performance. This breakthrough positions us to accelerate growth across various high-demand sectors, including electric vehicles, grid infrastructure, industrial HVAC, and high-voltage power electronics.Founded in 2014 as a Stanford University spin-off, we secured Series A venture capital funding in 2020 after successfully demonstrating our precision material slicing equipment. With a recent $80M+ Series B funding round, we are poised for rapid growth in our team and manufacturing capabilities.The RoleAs we transition from research and development to high-volume manufacturing, we are looking for a skilled Machine Control Software Engineer to join our team. This position involves the development, integration, and maintenance of control systems for our semiconductor production tools. You will engage in hands-on software development and collaborate with cross-functional engineering teams to build robust and scalable automation systems.Key ResponsibilitiesDesign, develop, and maintain machine control software for semiconductor manufacturing equipment.Implement and integrate industrial communication protocols, such as SECS/GEM, TCP/IP, EtherCAT, Modbus, Ethernet/IP, and RS232/RS485.Create software in C# (including WPF) for graphical user interfaces, device communication, and system monitoring.Integrate hardware components, including robotics, motion systems, lasers, and data acquisition devices.Support the development of operator control systems and state machines for automated equipment.Assist in debugging, testing, and validation at both system and component levels.Collaborate with PLCs and interface with external controllers as necessary.Work closely with mechanical, electrical, and systems engineers to ensure seamless system integration.Adhere to established control standards, safety practices, and software development protocols.Contribute to documentation, version control, and code quality standards.

At HackerRank, we empower leading organizations like NVIDIA, Amazon, and Microsoft to discover and enhance the skills of the next generation of developers through our innovative platform. Trusted by over 2,500 of the world's most progressive companies, we help forge exceptional engineering teams prepared for the future.In a landscape where humans and AI collaborate seamlessly, the criteria for identifying strong technical talent is evolving rapidly. Our mission is to provide companies with advanced methods to recognize and cultivate next-generation skills.We take pride in the impact of our work at HackerRank, paying keen attention to detail to ensure our clients achieve remarkable success with products they genuinely enjoy. Our team operates with a sense of urgency and a commitment to high standards.About the RoleThis role encompasses both managerial and hands-on responsibilities, leading a team dedicated to assisting thousands of companies and millions of developers maximize the potential of HackerRank's technical assessment and interview platform. You will handle escalations, troubleshoot real customer challenges, and develop automated workflows to enhance team efficiency. Your direct involvement will provide you with the necessary context to lead with authority and strengthen your team.What You’ll DoLead and nurture a team of Technical Support Engineers across the Americas, assisting customers in integrating HackerRank into their technical hiring processes.Collaborate with Product, Engineering, and Go-To-Market teams to identify and resolve systemic issues, including ATS integrations, assessment configurations, and reliability gaps affecting hiring pipelines.Design and oversee support operations aimed at preventing recurring issues.Personally address complex L2/L3 cases and customer escalations, setting high technical and quality standards for the team.Identify opportunities for workflow automation and create solutions using low-code/no-code tools such as n8n, Zapier, or Make, or by querying LLM APIs for tailored solutions.Who You Are4+ years of experience in technical support leadership, including at least 2 years managing support or solutions engineering teams in a SaaS environment, preferably in HR tech, ATS, or developer tools.A player-coach who is equally adept at resolving complex customer issues and mentoring your team or presenting escalation trends to leadership.Hands-on and technically proficient, capable of debugging issues related to APIs, authentication, ATS integrations, webhooks, and production systems.Experienced in building automated workflows to optimize team performance.

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 HackerRank, we empower innovative companies like NVIDIA, Amazon, and Microsoft to hire and elevate the next generation of developers based on their skills rather than their backgrounds. Our platform is trusted by over 2,500 leading organizations to build robust engineering teams prepared for future challenges.In the evolving landscape where humans and AI collaborate, the criteria for identifying top technical talent are transforming. We provide companies with enhanced methods to recognize and invest in emerging skills.Our team at HackerRank is passionate about the impact of our work, focusing on the details that ensure our customers achieve remarkable success with products they love. We operate with urgency and uphold high standards to deliver exceptional outcomes.About the RoleWe are seeking a Forward Deployed Engineer (FDE) to collaborate directly with our clients, serving as the key technical representative in customer engagements, leading pilots, demonstrations, and facilitating successful product adoption. This position combines extensive customer interaction with technical execution.ResponsibilitiesLead customer-facing initiatives, including discovery sessions, pilots, and demonstrations, acting as the principal technical voice for prospective and existing clients.Engage directly with customers, engineers, recruiters, and business leaders to identify developer needs, listen empathetically, and devise actionable, goal-oriented solutions.Ensure customer projects remain on track through disciplined execution and proactive communication.Leverage appropriate tools, including AI where beneficial, to deliver quicker and more reliable outcomes that enhance the HackerRank customer experience.Collaborate with Product, Engineering, and Go-To-Market teams to amplify the customer voice.Who You AreYou are a customer-facing technical leader with a solid full-stack background, capable of configuring, debugging, and explaining web applications, integrations, and generating API scripts as needed (Ruby or Python).You confidently lead discussions with prospects and enterprise clients while gathering requirements, shaping technical strategies, and delivering impactful results.You are an effective communicator, able to engage deeply with engineers or simplify concepts for non-technical audiences.You are a strong operator who plans, executes, and follows through, keeping projects well-organized.You lead with empathy, enthusiasm, and a problem-solving mindset.

At HackerRank, we empower companies like 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 utilized by over 2,500 of the most innovative organizations globally to cultivate robust engineering teams that are equipped for future challenges.As software development evolves, the collaboration between humans and AI becomes increasingly relevant. This transformation is redefining what it means to be a strong technical talent. We provide companies with superior methods to recognize and nurture next-generation skills.Our team at HackerRank is passionate about the impact of their work, meticulously focusing on even the smallest details to ensure our clients achieve remarkable success with products they truly value. We operate with a sense of urgency, believing that outstanding results stem from high standards.About the RoleWe are expanding our Forward Deployed Engineering (FDE) function globally and seeking a Manager, Forward Deployed Engineering (Global). In this pivotal leadership role, you will establish the strategy, standards, and execution benchmarks for our team. This is a hands-on leadership position where you will manage the global FDE function, directly supervise FDEs in the U.S., and collaborate closely with regional General Managers in EMEA and APAC.What You Will DoLead, mentor, and develop a team of FDEs who spearhead customer engagements (both pre- and post-sales) to define and deliver tailored solutions.Collaborate with Sales, Product, Engineering, and Customer Success teams to craft solutions that address genuine customer needs.Work alongside Product and Engineering to integrate customer-specific solutions into the product roadmap.Provide hands-on technical leadership across APIs, integrations, and platform capabilities.Enhance our approach to demos, proofs of concept, and onsite engagements.Create repeatable playbooks, delivery standards, and best practices to enable rapid scaling and efficiency.Who You AreA seasoned technical leader with over 8 years in engineering, solutions engineering, or technical delivery, including at least 2 years in a leadership role managing high-performing technical teams.Dedicated to working alongside your team, reviewing designs, questioning assumptions, and stepping in during ambiguous or high-stakes situations.Highly experienced in leading customer-facing technical teams where success relies on credibility, clarity, and execution rather than scripts or handoffs.Fluent in both engineering and business contexts, capable of debating architecture with engineers while aligning outcomes with sales, product, and customer leaders.An excellent presenter and communicator who can adapt messaging for both technical and non-technical audiences.

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.

Join our dynamic team at ServiceNow as a Staff Machine Learning Engineer specializing in VoIP Infrastructure. In this pivotal role, you will leverage your expertise in machine learning to enhance our VoIP services, ensuring reliability and innovation in a fast-paced environment.

At Tenstorrent, we are at the forefront of pioneering AI technology, setting new benchmarks for performance, usability, and cost-effectiveness. As AI transforms the computing landscape, it is crucial for solutions to evolve, integrating advancements in software models, compilers, platforms, networking, and semiconductors. Our passionate and diverse team of technologists has successfully designed a high-performance RISC-V CPU from the ground up, driven by a shared commitment to AI excellence and the ambition to create the ultimate AI platform. We value collaboration, curiosity, and a relentless pursuit of challenging problems. We are expanding our team and seeking contributors across all experience levels.As a C++ Machine Learning Engineer on our AI Models team at Tenstorrent, you will play a vital role in developing the training framework for our most sophisticated models. Your responsibilities will involve writing high-performance C++ code, designing new layers and operators, and ensuring our models efficiently scale across our custom silicon. If you have a passion for building the core of machine learning systems and optimizing their performance, this opportunity is tailored for you.This position is hybrid, based out of Santa Clara, CA.We encourage candidates with varying levels of experience to apply. During the interview process, we will evaluate candidates to determine the most suitable level, and offers will correspond to that level, which may differ from what is stated in this posting.

At DiffLogic, we are pioneering the future of artificial intelligence with a bold vision to revolutionize computation. Our mission is to transcend traditional matrix multiplication by creating chips that embody the model itself. This innovative approach liberates us from the limitations of conventional GPUs and tensor cores, allowing for an unfettered range of operations.We are on the lookout for brilliant machine learning researchers who excel in exploring uncharted territories of knowledge. You will engage with complex questions that have yet to be answered, many of which are being posed for the first time within our lab. Our team is agile and hands-on, driven by curiosity and a fast-paced work environment. If you find our mission intriguing and are eager to contribute to groundbreaking research, we encourage you to apply.In your application, please share the publication you are most proud of and explain why it stands out to you.