Senior Backend Engineer at Aerostrat | Seattle

About UsAt Vercept, we are an energetic and mission-focused team with a proven history of academic excellence. Our talented researchers have made significant contributions to the field of artificial intelligence, receiving accolades such as best paper awards at leading AI conferences and achieving remarkable citation rankings. We are committed to pioneering transformative research that sets new standards in the industry and aim to revolutionize the world—one innovative breakthrough at a time.What We Seek & Why You Should Join UsWe are in search of a Backend Engineer specializing in Inference Optimization who is passionate about tackling some of the most challenging systems issues in AI. In this role, you will focus on enhancing the performance of foundation model inference, operating at the cutting edge of machine learning and high-performance systems engineering. This is an exciting opportunity to establish new standards for latency, throughput, and efficiency on a large scale.Role OverviewAs a Backend Engineer, you will take ownership of the design and optimization of inference pipelines for large-scale models. Collaborating closely with researchers and infrastructure engineers, you will identify bottlenecks and implement advanced techniques such as quantization and KV caching, ensuring the deployment of high-performance serving systems in production. Your contributions will directly influence how swiftly and cost-effectively users engage with next-generation AI.What We Expect From YouEssential Qualifications:Extensive experience in optimizing model inference pipelines, including model quantization and KV caching.Strong proficiency in backend systems and high-performance programming languages (Python, C++, or Rust).Familiarity with distributed serving, GPU acceleration, and large-scale system architectures.Proven ability to debug complex performance issues across model, runtime, and hardware layers.Adaptability to work in fast-paced environments with ambitious technical objectives.Preferred Qualifications:Practical experience with vLLM or similar inference frameworks.Background in GPU kernel optimization (CUDA, Triton, ROCm).Experience in scaling inference across multi-node or heterogeneous clusters.Prior involvement in model compilation (e.g., TensorRT, TVM, ONNX Runtime).Hands-on experience with model quantization strategies.

Join DigitalOcean as a Senior Engineer 2 specializing in Inference Optimizations, where you'll play a pivotal role in enhancing our machine learning infrastructure. You will collaborate with cross-functional teams to develop and implement high-performance solutions that optimize inference processes. If you are passionate about building scalable systems and have a knack for solving complex engineering challenges, we want to hear from you!

Coupang is a leading name in South Korean e-commerce, known for dependable service and rapid innovation. With offices in Mountain View and Seattle, the company blends a startup’s drive with the backing of a global public organization. The culture supports both individual growth and strong teamwork. Initiative is valued at Coupang. Team members often launch new projects and play a direct role in shaping the company’s direction. Entrepreneurial thinking is encouraged, and those who drive improvements are recognized for their impact on both personal and company development. Coupang’s ambitions reach beyond standard commerce. The company regularly tackles challenging projects, always looking for new ways to improve technology and customer experience. Role overview The Senior Staff Backend Engineer will be part of the Application Infrastructure team. This group is responsible for building and enhancing complex workflow systems that power Coupang’s core services, including the rocket delivery platform. Their work supports systems that manage hundreds of millions of dollars in revenue. What you will do Design and develop a new, scalable workflow service from the ground up Make workflow development easier for domain teams Ensure the infrastructure can support growing business demands Help shape a critical system at the center of Coupang’s operations

Join finvari as a Senior or Staff Backend Engineer and be a pivotal part of our innovative team. In this role, you will design and implement scalable server-side solutions, contributing to the development of cutting-edge financial technology products. You will collaborate with cross-functional teams to deliver high-quality software that meets the needs of our clients.

JOIN DURANTA: A PIONEER IN GEOSPATIAL ANALYSISAt Duranta, we are dedicated to cultivating a more beautiful world through advanced geospatial data analytics. Our innovative platform empowers contractors to design, install, and maintain stunning outdoor spaces via seamless workflows.We are on the lookout for a Senior Backend Engineer to become a vital part of our dynamic team. In this role, you will lead the backend development for both our web application and mobile applications. Your focus will be on creating an optimized system where performance is paramount, ensuring a flawless user experience where every millisecond counts.

Join Opendoor as a Backend Software Engineer focused on Pricing, where you will play a pivotal role in shaping the future of real estate transactions. You will leverage your technical expertise to develop and optimize backend systems that drive pricing strategies, ensuring our platform delivers accurate and timely information to our users.

Senior Backend Software EngineerJoin Read AI's innovative Backend team as a Senior Software Engineer. In this pivotal role, you will be instrumental in designing, developing, and optimizing robust backend systems that fuel our AI-driven productivity platform. Engage in a dynamic, collaborative setting where you’ll deploy code weekly and make a substantial impact on millions of users.Complete your application with a Provn skills assessment.

About HiveHive is at the forefront of cloud-based AI technology, designed to enhance the understanding, searchability, and generation of content. We are proud to partner with some of the most innovative and renowned organizations worldwide. Our platform empowers developers through a suite of pre-trained AI models, which handle billions of API requests every month. Additionally, Hive provides ready-to-use software applications powered by our proprietary AI models and datasets, enabling transformative solutions across various industries, including content moderation, brand protection, sponsorship analysis, and context-driven ad targeting.With over $120M raised from top investors like General Catalyst, 8VC, Glynn Capital, Bain & Company, and Visa Ventures, Hive boasts a diverse workforce of over 250 employees across our offices in San Francisco, Seattle, and Delhi. We invite you to be part of the AI revolution!About the RoleTo realize our ambitious vision, we are expanding our team of exceptional engineers. We are seeking innovative developers who are eager to launch new products and features, can operate independently, and are enthusiastic about exploring new technologies. The ideal candidate possesses a strong background in building core services and web-based APIs from scratch, values the intersection of product and technology, and is skilled in writing clean, maintainable code.

Integrate develops program management software for advanced machinery and systems, with a focus on organizations in deep tech fields such as aerospace, autonomous vehicles, and robotics. The team is based in Seattle and works to improve collaboration and streamline workflows for companies tackling complex hardware projects. Current tools often fall short when it comes to the pace and complexity of hardware development in these industries. Integrate addresses this gap by building solutions that help teams and partners communicate more effectively, allowing innovation to move faster and with fewer obstacles. Role overview The Backend Engineer will play a key role in building and shaping the core infrastructure behind Integrate's platform. This position involves more than maintenance, engineers here design new systems and solve technical challenges that matter. The team values those who enjoy tackling problems like distributed system optimization, scaling data federation, and designing for a growing customer base. Collaboration is central. Expect to work closely with other engineers who move quickly and make considered technical decisions. Experience with systems that manage significant consumer or commercial traffic, such as cloud migrations, microservices, distributed data pipelines, or event-driven architectures, is especially relevant. What you will do Design and improve distributed backend systems that process high-throughput, real-time data with complex dependencies Own performance profiling and debugging for Go and Rust services, identifying and resolving bottlenecks Contribute to data federation architecture, including S3 integration, graduation pipelines, and downstream data services Develop and refine gRPC service interfaces and REST/JSON APIs for both internal and external users Work with SQL and NoSQL databases, focusing on schema design, query optimization, and durability strategies Collaborate on infrastructure decisions with platform engineers and technical leads Monitor and troubleshoot production systems, participate in on-call rotations, root cause analysis, and incident response Tech stack The backend is primarily written in Go, with Python supporting tooling and data workflows. The platform uses gRPC, REST/JSON, GraphQL, PostgreSQL, NoSQL databases, and Kubernetes for orchestration. Infrastructure is managed with Terraform. Location This Backend Engineer position is based in Seattle, WA.

Role overview Coupang seeks a Senior Staff Backend Engineer based in Mountain View or Seattle. This position leads the design and implementation of scalable backend systems that power Coupang’s ecommerce platform. Key responsibilities Shape architecture decisions for backend services supporting millions of customers Collaborate with engineers to develop and maintain reliable, high-performance systems Use modern technologies to improve service quality and customer experience Team environment Work alongside an experienced engineering team dedicated to building and enhancing the core services that drive Coupang’s global ecommerce operations.

Join Hive, a pioneering leader in cloud-based AI solutions, as a Senior Backend Software Engineer. We are on a mission to empower developers across the globe with cutting-edge AI technology. In this role, you will play a crucial part in launching innovative products and features, tackling the challenges of scalability, and creating robust web-based APIs from scratch. We seek candidates who are not only technically skilled but also passionate about building exceptional products and crafting clean, maintainable code. If you're ready to contribute to transformative AI solutions, we want to hear from you!

Since our inception, we have revolutionized the approach to small-dollar loans, having provided over $1 billion in funding to more than 1.5 million customers, and issued over 4 million loans that have saved our clients more than $650 million.At Possible, we are developing an innovative consumer finance company that prioritizes helping our customers avoid debt rather than profiting from it. As a Public Benefit Corporation, our mission is to facilitate economic mobility in communities through affordable credit products designed to foster financial health for generations. Join the team that is turning our vision into reality.About the RoleWe are in search of a skilled Senior Software Engineer to bolster our engineering team. In this role, you will be responsible for designing, developing, and maintaining high-performance, reliable, and scalable services utilizing Java, the Spring Framework, gRPC, and GraphQL. As a senior member of the team, you will offer technical leadership, mentor junior engineers, and inspire innovation in your domain.

About Pinterest Pinterest helps millions of people find inspiration, try new ideas, and create lasting memories. The team’s mission is to inspire individuals to build a life they love, and that starts with the people behind the platform. Team members enjoy flexibility in how and where they work, supported by PinFlex. Pinterest values unique perspectives and encourages growth, innovation, and personal development throughout your career. AI plays a central role at Pinterest, serving as a partner to boost creativity and impact. Candidates interested in this technology are encouraged to apply. The interview process will explore foundational engineering skills and collaboration with AI. Pinterest asks candidates to share their problem-solving approach and thought process. More details about the company’s approach to AI in hiring can be found here. Role Overview: Backend Software Engineer II Pinterest is looking for curious and adaptable Backend Software Engineers to join the Core and Monetization engineering teams in San Francisco, CA or Seattle, WA. This role involves close collaboration with product managers, designers, and other engineers to shape new technologies and user experiences. Backend Software Engineers at Pinterest build frameworks and features that support both developers and end users. The work includes designing creative solutions to complex technical challenges and supporting ambitious projects from initial concept through technical design, implementation, and launch.

About RevefiFounded in 2021 by visionary entrepreneurs Sanjay Agrawal and Shashank Gupta, who also co-founded ThoughtSpot with a valuation exceeding $4.2 billion, Revefi is revolutionizing data spend optimization. Our innovative AI Agent is designed to unify observability across data quality, usage, spend, and performance, representing a groundbreaking platform tailored for modern data teams. With backing of $20 million in Series A funding from esteemed investors including Icon Ventures, Mayfield Fund, GTM Capital, and StepStone Group, we are committed to shaping the future of Data Spend Optimization and Cloud Data Operations.The RoleWe are on the lookout for a highly skilled and experienced Senior Backend Engineer to join our vibrant team. In this pivotal role, you will spearhead the design, development, and maintenance of our state-of-the-art cloud-based Software-as-a-Service (SaaS) platform. You will be instrumental in guiding the technical direction, architecture, and implementation of our backend systems. Collaboration with cross-functional teams—comprising product managers, frontend engineers, and DevOps professionals—will be crucial in delivering high-quality, scalable, and robust solutions.Are you ready to take on the challenge of building an exceptional product and team from the ground up? If you thrive in an environment focused on developing a remarkable distributed team and creating a resilient enterprise product tech stack, you’ve found the right opportunity!

Coupang is looking for a Staff Backend Engineer focused on Application Infrastructure to help shape the backbone of its large-scale e-commerce platform. This position is based in Mountain View or Seattle. Role overview This role centers on building and maintaining backend systems that are both scalable and reliable. The work supports the platform's growth and ensures that applications perform well under heavy demand. What you will do Design, develop, and maintain backend applications for Coupang’s e-commerce infrastructure Work closely with teams across the company to deliver solutions that meet business and technical needs Focus on system performance, reliability, and security throughout the development process Collaboration Expect to partner with engineers, product managers, and other stakeholders to deliver backend systems that serve millions of users.

About HiveHive stands at the forefront of cloud-based AI innovation, delivering unparalleled solutions that facilitate understanding, searching, and generating content. Trusted by some of the most prominent and pioneering organizations globally, we empower developers with an extensive suite of premium, pre-trained AI models that handle billions of API requests monthly. Our turnkey software applications, driven by proprietary AI models and datasets, unlock transformative use cases across various industries. Hive's offerings are revolutionizing content moderation, brand safety, sponsorship analytics, contextual advertising, and more.Having successfully raised over $120 million from esteemed investors such as General Catalyst, 8VC, Glynn Capital, Bain & Company, and Visa Ventures, we are a growing family of over 250 dedicated professionals across our offices in San Francisco, Seattle, and Delhi. If you are passionate about shaping the future of AI, we invite you to join us!About the RoleTo fulfill our ambitious vision, we are expanding our team of exceptional engineers. We seek talented developers who are eager to launch innovative products and features into production, who thrive in autonomous environments, and who embrace the challenges that come with scaling solutions. Our ideal candidate will have a proven track record in building core services and web-based APIs from scratch, demonstrating a strong commitment to both the product’s functionality and the underlying technology. You should possess the ability to structure and write clean, maintainable code, ensuring robust software development practices.

Join Duolingo as a Senior Backend Software Engineer and play a pivotal role in building scalable and innovative backend systems that enhance the learning experience for millions of users worldwide. Collaborate with cross-functional teams to design, develop, and maintain high-performance APIs and services that are critical to our platform's success.

Join our innovative team at Plaid as a Senior Backend Software Engineer. In this role, you will be responsible for developing scalable backend systems that empower our users and partners. Your expertise in backend development will help us enhance our platform's capabilities and deliver exceptional user experiences.

About AnthropicAt Anthropic, our mission is to design AI systems that are reliable, interpretable, and steerable. We aim to ensure that AI technology is safe and advantageous for both our users and society as a whole. Our rapidly expanding team consists of dedicated researchers, engineers, policy experts, and business leaders collaborating to create beneficial AI systems.About the Role:We are in search of seasoned, product-oriented Software Engineers to take ownership of the backend systems that enhance user experiences across our API, Claude Code, and Claude.ai. In this role, you will independently define complex, multi-month projects within ambiguous problem domains and guide your peers in making technical and product-related decisions. You will align with product management, engineering teams, and research to identify capability gaps and translate cutting-edge model advancements into deployable products. Your architectural decisions will significantly impact the reliability and scalability of systems serving hundreds of thousands of global users, including internal teams, while you remain actively engaged with the code and our models.We are currently hiring for multiple teams. Team assignments will be made post-interview, considering your preferences and experience alongside organizational requirements. This flexible approach allows us to pair talented engineers with backend product initiatives where they can make the most significant impact and experience the most growth:API Core: You will develop and enhance the foundation of the Claude API—systems that deliver Claude's intelligence to developers ranging from startups to large enterprises. You will manage the performance, reliability, and efficiency of our core serving path, ensuring users derive maximum speed and value from our models. Collaboration with inference and safeguards will be key to optimizing the entire stack.API Capabilities: You will empower developers by integrating frontier model capabilities into the Claude API, overseeing core features such as vision, tool usage, and computer interaction. Your responsibilities will include launching new models and delivering the building blocks that enhance Claude's capabilities with each release, working directly with research and inference to productionize future advancements.API Knowledge: Your focus will be on transforming Claude into a true knowledge worker by ensuring the model has timely access to the right information. You will facilitate secure data access for developers, enabling Claude to automatically process and retrieve relevant data as needed.