AhrefsPalo Alto, California, United States; Singapore
On-site Full-time
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Minimum Qualifications:Strong proficiency in OCaml. Familiarity with C++ is advantageous but not mandatory. Ideal Candidate Expectations:Ability to independently troubleshoot bugs, manage tasks, and investigate code. Make informed technical decisions and be accountable for them. Comprehensive understanding of the entire technology stack, from networking and user-space code to operating system internals and hardware. Manage the complete development lifecycle of individual components, including task formalization, coding, testing, production setup, and user request resolution. Approach challenges pragmatically while balancing quality and time constraints. Write adaptable, maintainable code and respond to post-launch adjustments.
About the job
Ahrefs is seeking a talented backend developer who possesses a profound understanding of networks, distributed systems, and operating system fundamentals, along with a passion for creating simple yet efficient architectural designs. Our backend infrastructure is predominantly built using OCaml, complemented by some C++ code.
In this challenging role, you will work daily with 25 petabytes of live data, utilizing OCaml and Linux.
Ahrefs is a leading company in the field of digital marketing, specializing in SEO tools and resources. Our innovative approach fosters a dynamic work environment that encourages creativity and collaboration among team members.
Full-time|On-site|Palo Alto, California, United States
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Rivian and Volkswagen Group Technologies brings together two established automotive companies focused on shaping the next era of electric mobility. This partnership combines expertise in advanced operating systems, zonal controllers, cloud solutions, and connectivity to address the evolving needs of electric vehicles. The goal: build smarter, more connected, and sustainable vehicles for a global audience. Role overview The Senior Android Developer will design and develop the core Android application used throughout the Rivian and Volkswagen Group Technologies ecosystem. This platform supports key initiatives such as intelligent energy management and integrated digital assistants. The work directly impacts how users experience electric vehicles, aiming to reduce range anxiety and make sustainable transportation accessible and appealing. What you will do Architect and build a large-scale, consumer-facing Android application central to the company’s strategy Create user experiences that support global adoption of electric vehicles Contribute to the Software-Defined Vehicle (SDV) infrastructure, helping to scale solutions across a major joint venture Establish Android architectural foundations for high-volume, first-of-its-kind products Impact This position plays a key part in shaping software that will reach millions of users and influence the future of mobility worldwide. The work will help define how electric vehicles are experienced and adopted, both now and in the years ahead.
Join our dynamic team at StemXpert as a Senior Oracle APEX Developer. In this pivotal role, you will leverage your expertise in Oracle APEX to design, develop, and implement high-quality applications that enhance business processes. Your innovative solutions will help drive our initiatives forward in a collaborative and fast-paced environment.
Full-time|Remote|Palo Alto, California, United States
About UsAt Newcode.ai, we are dedicated to transforming the way organizations harness AI in their daily operations. Within just a few months, we have transitioned from concept to reality, creating products that our clients truly appreciate. Join our dynamic and ambitious team, where your contributions will not only shape the future of AI but also define it.Your RoleAs a Senior Fullstack Developer at Newcode.ai, you will be instrumental in designing and developing the foundational systems that support the AI solutions our clients depend on. You will engage hands-on with cutting-edge technologies, significantly influence our architectural decisions, and create a lasting impact from your first day.You will work throughout our advanced tech stack—from backend logic to user-friendly interfaces—enjoying the flexibility to influence every aspect of the product. We value initiative and empower our team members to make significant, enduring contributions.
Rivian and Volkswagen Group Technologies brings together two major automotive companies to advance electric vehicle software. The partnership focuses on operating systems, zonal controllers, cloud platforms, and seamless connectivity, aiming to raise the bar for software-defined vehicles. The team draws on combined strengths in connectivity, artificial intelligence, and security to create smarter, more sustainable mobility solutions. Role overview The Senior Fullstack Software Engineer for Developer Productivity joins a team dedicated to building tools and features that streamline the developer experience. The group’s mission centers on enabling engineers to work efficiently and focus on high-impact tasks, using AI-powered solutions to remove friction from daily workflows. This role involves designing and implementing improvements across the entire software development lifecycle. The position supports both Vehicle Software (from code to car) and Cloud teams, ensuring that development processes are smooth and reliable. Regular collaboration with DevOps and Infrastructure teams is key, helping high-velocity teams deliver quality software quickly. Location Palo Alto, California
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Join the Revolution at ALSO.At ALSO, a pioneering electric mobility company born from Rivian's vision, we are a dedicated team of innovators and builders committed to revolutionizing the way people commute. We specialize in designing innovative and affordable small electric vehicles (EVs) that tackle the mobility challenges of today and tomorrow. Our mission is to inspire a shift from traditional transportation to our efficient and delightful e-bikes, significantly reducing reliance on conventional cars and trucks.Be part of a transformative phase in our journey! As an early member of our dynamic team, you will be instrumental in crafting the digital experience for our cutting-edge connected e-bike product. This is your chance to make a mark in a fast-paced startup environment, where your input will shape critical user experiences. You will collaborate closely with a passionate team to create a premium customer journey from purchase to ride, and enjoy the freedom to design scalable systems while growing with our evolving company.
Join our dynamic team at Artech Information Systems LLC as a Senior C++/Embedded Developer. In this pivotal role, you will leverage your expertise in C++ programming and embedded systems to develop innovative solutions that drive our projects forward. You will collaborate with a talented group of engineers, contributing to cutting-edge technology that makes a significant impact.
Full-time|$170K/yr - $170K/yr|Hybrid|Palo Alto, California, United States
Ascendis Pharma is a vibrant and rapidly expanding global biopharmaceutical company with a presence in Denmark, Europe, and the United States. We are focused on advancing innovative programs in Endocrinology, Rare Disease, and Oncology.At Ascendis, we are proud of our commitment to exceptional scientific research, visionary leadership, and a dedicated team of passionate professionals.Guided by our core values of Patients, Science, and Passion, we leverage our proprietary TransCon® drug development platform to achieve our mission of creating new and potentially best-in-class therapies that address critical unmet medical needs.Our culture promotes an environment where talented, flexible, and highly resourceful professionals can truly leave their mark. We provide a dynamic workplace that encourages employees to grow and enhance their skills.As a Senior Clinical Scientist, you will play a pivotal role in the design, oversight, and data analysis of the company’s late-phase clinical trials focused on therapies involving growth hormone, parathyroid hormone, and/or C-type natriuretic peptide. This position is integral to our Clinical Development team and is ideally based in our Palo Alto, CA office; however, we may consider a remote arrangement for exceptional candidates.
We are seeking a skilled Java and Scala Developer to join our innovative team. The ideal candidate will possess a Master’s degree in Computer Science or a related field and have a robust background in software development. You should have at least three years of hands-on experience in software development and a minimum of two years working with distributed systems.Your expertise should include design and implementation of distributed systems, data pipelining, and familiarity with machine learning algorithms. You will be expected to design large-scale applications utilizing various software design patterns and object-oriented design principles.Proficiency in Java, Scala, and Python is essential, alongside experience in distributed computing frameworks like Hadoop, Spark, or cloud technologies. You should also have experience in parallel processing using CUDA, threads, or MPI.We value individuals who have a strong grasp of design patterns, UML diagrams, and data modeling for large-scale analytic systems. Your role will involve research and analysis to transform massive amounts of raw data into structured datasets that maintain contextual integrity, thereby facilitating the development of new products.Familiarity with data warehousing and distributed/parallel processing of large datasets is required. Experience with modern development methodologies such as Agile, Scrum, and SDLC is essential.The ideal candidate will thrive in a research-oriented, fast-paced, and highly technical environment. You should be a quick thinker, a fast learner, and possess excellent communication and interpersonal skills.
Full-time|On-site|Pittsburgh, PA, Palo Alto, CA, Detroit, MI
Role Overview Latitude is looking for a Senior Software Engineer focused on Test Infrastructure. This role centers on strengthening testing frameworks to help deliver reliable software. The position is available in Pittsburgh, PA, Palo Alto, CA, or Detroit, MI. What You Will Do Work closely with teams across engineering, product, and QA to support development efforts. Design, build, and maintain test infrastructure that supports software quality. Help improve and extend frameworks used for automated and manual testing.
Rivian and Volkswagen Group Technologies brings together two established automotive companies to advance electric vehicle technology. The joint team focuses on software-defined vehicles, combining strengths in connectivity, artificial intelligence, and security to shape a more connected and sustainable transportation future. Role overview The Senior Fullstack Software Engineer will join a team dedicated to building custom software tools that assist testing, development, manufacturing, and service functions throughout the vehicle development lifecycle. This work aims to improve production efficiency and manufacturing quality, while providing actionable insights to internal partners through both APIs and user interfaces. This position involves contributing to software architecture, design, and implementation for a diagnostics tool supporting new vehicle designs. Turning data into insights and supporting continuous improvement across teams are central to the role. What you will do Develop and improve software tools used across the vehicle lifecycle Build APIs and user interfaces to deliver insights and support internal teams Contribute to the architecture, design, and implementation of diagnostics solutions Drive improvements in manufacturing quality and production efficiency Requirements Experience building fullstack software, including API services and user interfaces Comfort working collaboratively across functions Action-oriented approach and enthusiasm for solving new challenges Willingness to learn and contribute to a mission-driven team Location and reporting This role can be based in Palo Alto, CA, Irvine, CA, or Normal, IL. The Senior Fullstack Software Engineer reports to the Senior Staff Tech Lead Manager of Software and Systems.
Join our innovative team at Mashgin, where we are transforming the landscape of AI technology! As an AI Developer, you will work on cutting-edge projects that leverage artificial intelligence to enhance user experiences and improve operational efficiencies. We are looking for talented individuals who are passionate about AI and eager to contribute to our mission of making technology more accessible and intuitive.
Role overview Speechify seeks a Senior Software Engineer to join the Core Experiences team in Palo Alto, CA. The focus of this position is to build and enhance audio-driven features that allow users to get more value from the platform. What you will do Collaborate with fellow engineers to design, develop, and maintain applications supporting Speechify’s main features. Create solutions aimed at boosting performance and responsiveness throughout the platform. Offer technical insight and ideas to influence the ongoing evolution of the user experience. Location This role is based in Palo Alto, CA, USA.
Full-time|On-site|Palo Alto, California, United States; Singapore
Ahrefs is seeking a talented backend developer who possesses a profound understanding of networks, distributed systems, and operating system fundamentals, along with a passion for creating simple yet efficient architectural designs. Our backend infrastructure is predominantly built using OCaml, complemented by some C++ code.In this challenging role, you will work daily with 25 petabytes of live data, utilizing OCaml and Linux.Explore more about Ahrefs OCaml
Senior Backend Software EngineerDepartment: Engineering | Location: Palo Alto HQ | Type: Full-time, On-siteAbout the RoleAt Pika, we are seeking a talented Senior Backend Software Engineer to play a pivotal role in enhancing our core infrastructure that supports our innovative products. You will be instrumental in the design and development of robust, scalable backend systems, overseeing everything from API design and service architecture to real-time messaging infrastructures and platform integrations. This is a high-stakes position where your decisions will directly influence the experiences of millions of users interacting with Pika.In this senior position, you will also elevate the team’s capabilities through architecture guidance, comprehensive code reviews, and mentoring opportunities for junior engineers.What You'll Do• Design and develop scalable backend services that drive Pika's web, mobile, and multi-platform offerings.• Manage backend logic from end-to-end, including database modeling, API design, infrastructure decisions, and ensuring production reliability.• Create and implement real-time systems, including WebSocket connections, event-driven architectures, and messaging queues for low-latency communication.• Optimize infrastructure to enhance throughput, reduce latency, and ensure reliability as Pika continues to grow.• Enhance internal tooling and automate operational processes to streamline team workflows.• Lead technical decisions by drafting RFCs, assessing trade-offs, and building consensus within the engineering team.• Mentor and guide engineers through code reviews, architectural advice, and collaborative programming sessions.• Troubleshoot, optimize, and future-proof systems to handle increased scale.What We're Looking For• A minimum of 5 years of backend engineering experience, specifically in building production services at scale.• Expertise in modern backend technologies (Node.js, Python, Go, etc.) and frameworks (Express, FastAPI, etc.).• A solid understanding of distributed systems, including event-driven architectures, message queues, and service-to-service communication.• Profound knowledge of database design and operations (SQL, NoSQL, data modeling, performance tuning).• Familiarity with APIs, cloud infrastructure (AWS, GCP), Kubernetes, and CI/CD workflows.• Experience in building real-time systems using WebSockets, long-polling, and pub/sub patterns.• Excellent debugging and observability skills; you can trace problems across services efficiently.• A proactive ownership mentality — you identify issues and implement solutions without waiting for specifications.• Strong communication skills and a collaborative mindset.Nice to Have• Experience with AI/LLM integration (model orchestration, token management, prompt routing).• Familiarity with multi-tenant SaaS platforms or multi-platform products.• Experience building internal tools or automation pipelines.• Previous experience in a startup environment, comfortable with ambiguity and rapid movement.
Full-time|$180K/yr - $440K/yr|On-site|Palo Alto, CA
About xAIAt xAI, we are committed to developing advanced AI systems that accurately interpret the universe and support humanity's quest for knowledge. Our agile team is comprised of highly motivated individuals who prioritize engineering excellence. We welcome those who relish challenges and are driven by curiosity. Operating with a flat organizational structure, we encourage hands-on contributions from all team members to fulfill our mission. Initiative and a track record of excellence are recognized and rewarded. Strong communication skills are essential for effectively sharing knowledge within our team.About the RoleThe Imagine Product team is at the forefront of transforming AI-enhanced media experiences for Grok users globally. In this pivotal role, you will architect and scale robust, high-performance systems that facilitate engaging, multi-modal media interactions—utilizing state-of-the-art AI for the seamless generation, processing, and delivery of a variety of media formats including images, videos, and audio. Your contributions will enhance real-time user experiences that captivate millions, turning sophisticated multimodal models into production-ready features. If you are a passionate problem-solver with a keen interest in AI and media technologies, and are eager to create scalable solutions that influence the future of consumer AI, this is your chance to make a significant impact.
Join Artech Information Systems LLC as a Test Automation Developer, where you'll be instrumental in creating robust automated testing frameworks for our cutting-edge applications across iOS, Android, and Web platforms. You will collaborate with cross-functional teams to ensure the highest quality of our software products, enhance user experience, and contribute to continuous integration and delivery processes.
Full-time|$185K/yr - $363K/yr|Hybrid|California; Oregon; Palo Alto; Washington
The Application Modernization Platform (AMP) team is addressing one of the industry's most significant challenges: harnessing Generative AI to modernize rigid, legacy applications into agile, microservices-based architectures utilizing MongoDB. We are developing a comprehensive SaaS-like platform that integrates both the "brain" (multi-agent reasoning and orchestration) and the "hands" (the deployment platform and modernization toolset). This solution demands a solid platform foundation and infrastructure tailored for a "build once, run anywhere" model, guaranteeing seamless operation regardless of client-specific security or network requirements. A crucial challenge lies in fine-tuning our tools for each customer's distinct tech stack and restrictive environments while ensuring they remain easily extensible and scalable for common application modernization challenges. We are in search of an engineering leader for this high-visibility initiative. This role involves defining the overarching strategy and technical direction across all AMP engineering pillars, spearheading the resolution of uniquely intricate application modernization challenges, and delivering a product of enterprise-grade quality. The leader will work to minimize deployment friction, meet compliance requirements, and contribute to the evolution of how global enterprises harness GenAI. The ideal candidate is a hands-on technical leader who excels in leveraging GenAI capabilities, architecting complex distributed systems, and designing orchestration agents that ensure the reliable and fluid execution of the entire software development lifecycle. We are particularly interested in candidates based in Palo Alto for our hybrid working model.
Full-time|$170K/yr - $235K/yr|On-site|Palo Alto, CA
At SpaceX, we are driven by a singular vision: to create a future where humanity explores the cosmos. Our mission is to develop pioneering technologies that will enable life on Mars and beyond.SENIOR ASIC DESIGN ENGINEER (STARSHIELD)Join our Starshield program, which utilizes SpaceX's advanced Starlink technology to bolster national security initiatives. While Starlink caters to commercial and consumer markets, Starshield is specifically tailored for governmental applications, focusing on earth observation, secure communications, and hosted payloads.As a Senior ASIC Design Engineer on the Starshield team, you will engage in pioneering development projects that support U.S. National Security objectives. Your role will involve the design and implementation of cutting-edge FPGAs and ASICs for use in space and terrestrial infrastructures worldwide. You will thrive in a dynamic and collaborative setting, tackling unsolved challenges and embodying the SpaceX ethos of rapid iteration to transition from design to operational capability with unmatched speed.
Apr 7, 2026
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