Staff Backend Engineer - Foundational Systems and Platforms

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.

Integrate develops program management software for complex hardware projects, serving organizations in deep tech sectors like aerospace, robotics, and autonomous vehicles. The platform connects vendors, customers, and partners to streamline collaboration across company boundaries. By reducing manual work and communication barriers, Integrate supports teams working on demanding technical challenges. The company addresses the unique needs of hardware development, where traditional software often falls short. Integrate's solutions focus on improving coordination and communication for both internal teams and external stakeholders, helping organizations innovate more quickly and reliably. Role overview The Senior Backend Engineer will focus on building and scaling the infrastructure layer of Integrate’s platform. This position centers on new development, not maintenance. The work involves tackling distributed systems challenges, large-scale data federation, and architectural design to support an expanding customer base. Engineers at Integrate collaborate closely, make decisions quickly, and value technical rigor. Experience with large-scale systems, such as cloud migrations, distributed data pipelines, microservices, or event-driven architectures, is especially relevant for this role. Key responsibilities Design and scale distributed backend systems that process high-throughput, real-time data with complex dependencies. Profile and debug Go and Rust services to resolve performance issues. 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 use. Work with SQL and NoSQL databases, focusing on schema design, query optimization, and ensuring data durability. Collaborate with platform engineers and technical leads on infrastructure decisions. Instrument, monitor, and debug production systems, including participation in on-call rotations, root cause analysis, and incident management. Tech stack Main development uses Go, with Python for tooling and data workflows. The stack includes gRPC, REST/JSON, GraphQL, PostgreSQL, NoSQL databases, and Kubernetes-managed infrastructure. Infrastructure as code is managed with Terraform. Location This position is based in Seattle, WA.

About UsAt Integrate, we are on a mission to revolutionize program management for the world’s most ambitious technologies, including robotics and aerospace. Based in Seattle, we facilitate seamless collaboration across organizations in deep tech, enhancing communication between vendors, customers, and external stakeholders. Our goal is to streamline collaboration and reduce communication overhead, allowing teams to focus on what truly matters: innovating and building the future.Our SolutionIntegrate provides a tailored platform designed specifically for the complexities and demands of modern hardware development. We empower teams to communicate effectively, stay aligned, and accelerate their projects with confidence, ensuring that critical information is shared efficiently and decisions are made promptly.About the RoleWe are seeking a skilled DevSecOps Engineer to lead the evolution of our infrastructure, reliability, and security as we expand. This pivotal role combines infrastructure management, platform engineering, and security expertise. Your primary responsibility will be to ensure our systems are reliable, scalable, observable, and secure, enabling our engineering teams to operate swiftly and confidently.This position emphasizes back-end infrastructure, observability, scalability, and security rather than focusing on feature development, acting as a catalyst for the entire engineering organization.Why Join Us?Be part of a dynamic, close-knit team at the forefront of hardware innovation. You will have the unique opportunity to shape the foundational infrastructure that supports groundbreaking work in robotics, aerospace, and advanced manufacturing as we scale to commercial adoption.

Join Our TeamAt Integrate, based in Seattle, we are pioneering multiplayer project management solutions tailored for the most ambitious technological advancements. Our mission is to streamline collaboration across organizations in deep tech sectors, such as aerospace, autonomous vehicles, and robotics, making communication as efficient as possible. Our Innovative SolutionTraditional software tools often fall short when it comes to the fast-paced and complex nature of hardware development in deep tech. Integrate is dedicated to creating specialized software that enhances communication among all stakeholders, enabling teams to innovate more swiftly and effectively. Position OverviewWe are seeking a driven Commercial Account Executive to spearhead our commercial revenue growth by managing the entire sales cycle at Integrate. This pivotal role merges sales, product insight, and customer success, as you will be tasked with identifying, developing, and finalizing deals with clients in the defense and deep tech industries. You will adeptly convey the business value of our complex product offerings to both technical experts and executive stakeholders. Collaboration with marketing, product, and leadership teams will be crucial in ensuring a robust feedback loop from customers to our product development efforts while driving the sales pipeline and achieving revenue goals. This role demands high ownership and accountability, managing a diverse array of inbound and outbound sales opportunities with a strong focus on acquiring new business. You will navigate various sales cycles, from high-velocity transactions to intricate, multi-threaded negotiations, while fostering relationships with engineering, operational, and executive teams. Why Integrate?Be at the cutting edge of deep tech, building the software frameworks that will power the next wave of hardware innovations. Join our close-knit, ambitious team with a transformative vision for collaboration in technology. You'll play a key role in shaping the revenue strategy of a growing company, partnering with customers who are designing rockets, aircraft, autonomous systems, and the infrastructure of tomorrow.

Join Aerostrat as a Senior Backend Engineer where you will play a pivotal role in developing robust, scalable backend systems. You will collaborate with cross-functional teams to deliver innovative software solutions that drive our business objectives. This position is perfect for someone who is passionate about technology and eager to contribute to high-impact projects.

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!

About Us Integrate, located in Seattle, is revolutionizing the way organizations tackle complex multiplayer project management challenges in groundbreaking industries. Our software supports the world’s most ambitious machines and focuses on high-stakes coordination in deep tech areas such as rocket launches and advanced manufacturing. We believe that seamless collaboration is essential for progress in these fields, especially at the intersection of defense and artificial intelligence, where innovation speeds up and execution stakes are incredibly high. Our mission is to empower teams to collaborate effortlessly with vendors, customers, and partners while modernizing how organizations build in the emerging deep tech economy. We aim to minimize friction, misalignment, and redundancy in workflows. Our Solution Unlike traditional project management tools, which are often ill-suited for the rapid, interconnected nature of modern hardware development, Integrate is crafted specifically for this new landscape. Our platform offers clarity and structure to complex cross-organizational programs, facilitating effective communication, alignment, and confidence in execution. About the Role We are seeking a dynamic and experienced Senior Product Manager who excels in both rapid execution and customer-focused product development. As a key member of our product team, you will drive execution, influence strategy, and ensure our engineering and design teams operate at their highest potential. This role demands a professional capable of moving swiftly while maintaining high-quality standards, balancing methodical product thinking with a commitment to rapid learning and delivery. Why Join Us? Join a team that prioritizes clarity, ownership, and precision. You will work closely with our VP of Product, CEO, and engineering leadership to shape the future of our products and company. This position offers the chance to lead critical initiatives, create robust systems and processes, and advance into a senior leadership role within a rapidly scaling organization.

Maxana is on the lookout for a talented and seasoned Backend Engineer to join our dynamic team, working on behalf of a confidential client: a leading AI platform utilized by machine learning teams across the globe. In this pivotal role, you will take ownership of features from inception to deployment, focusing on APIs, CLI tools, billing systems, and platform integrations. Our small, highly skilled team sets a high engineering standard, and you will collaborate closely with product and engineering leaders to drive innovation.Key ResponsibilitiesDevelop and maintain clean, efficient, and production-ready code in Go (Golang).Design, build, and scale APIs, CLI tools, billing systems, and security integrations.Collaborate with engineering and product leadership to define technical direction for substantial projects.Assess and enhance technical architecture, tooling, and workflows.Promote software quality, support continuous delivery, and actively mitigate technical debt.Provide mentorship to fellow engineers on system architecture and navigating high-uncertainty environments.

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we offer a comprehensive platform designed for the seamless development, training, and deployment of AI systems, transforming ideas from research into production with minimal friction.Following our merger with Voltage Park, a cutting-edge neocloud and AI Factory, we combine developer-centric software with cost-effective, large-scale computing capabilities. Our tools empower teams to explore, train, and conduct production inferences while ensuring built-in security, observability, and control.We cater to solo researchers, startups, and large enterprises alike. With a global presence that includes offices in New York City, San Francisco, Seattle, and London, we are supported by leading investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We act swiftly and with precision, breaking down significant challenges into manageable steps.Focus: We tackle one objective at a time, working collaboratively to deliver features with meticulous attention to detail.Balance: We recognize that sustained performance is rooted in rest and recovery, promoting a healthy work-life balance to keep our team thriving.Craftsmanship: Innovation is driven by excellence. We take pride in mastering our craft, ensuring every detail is significant.Minimal: Simplicity fuels our innovation. We strive to eliminate complexity through discipline, honing in on what genuinely matters.What We're Looking ForWe seek a talented Backend Engineer to enhance and scale the Lightning AI platform, working across frontend, CLI, API, billing, security, and integrations. The ideal candidate will take ownership of critical features and lead development from inception to completion while collaborating with a skilled team of engineers, product managers, and designers. You will move from proof of concept to release, emphasizing speed, quality, and iterative improvement.This is an exciting opportunity to create transformative technology that will revolutionize the machine-learning landscape!This is a hybrid role based in our Redmond office with an in-office requirement of 2 days per week. The salary for this position ranges from $120,000 to $250,000.

P-940 (Position Location is open to both our Seattle & Bellevue offices.) At Databricks, we are passionate about empowering data teams to tackle some of the world's most challenging problems, from detecting security threats to developing life-saving cancer treatments. We achieve this by creating and managing the leading data and AI infrastructure platform, allowing our customers to concentrate on the critical challenges central to their missions. Founded in 2013 by the original creators of Apache Spark, Databricks has rapidly transformed from a small office in Berkeley, California, into a global entity with over 1,000 employees. We are trusted by thousands of organizations, ranging from startups to Fortune 100 companies, with their mission-critical workloads, establishing us as one of the fastest-growing SaaS companies worldwide. Our engineering teams are dedicated to building highly technical products that address significant real-world needs. We continuously push the boundaries of data and AI technology while maintaining the resilience, security, and scalability necessary for our customers' success on our platform. We operate one of the largest software platforms, managing millions of virtual machines, generating terabytes of logs, and processing exabytes of data daily. At this scale, we frequently encounter faults in cloud hardware, networks, and operating systems, and our software must effectively shield our customers from such issues. As a Backend Software Engineer, you will collaborate closely with your team and product management to prioritize, design, implement, test, and maintain microservices for the Databricks platform and products. Responsibilities include writing software in Scala/Java, building data pipelines (Apache Spark, Apache Kafka), integrating with third-party applications, and interacting with cloud APIs (AWS, Azure, CloudFormation, Terraform). Potential teams you may join include: Data Science and Machine Learning Infrastructure: Develop services and infrastructure at the intersection of machine learning and distributed systems, empowering our flagship collaborative workspace, notebooks, IDE integrations, and project management tools. Our technology also facilitates machine learning at scale through tools for environment management, distributed training, and managing the ML lifecycle via MLflow. Compute Fabric: Create the resource management infrastructure that supports all big data and machine learning workloads on the Databricks platform, ensuring robustness, flexibility, and security.

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 RevefiFounded in 2021 by visionaries Sanjay Agrawal and Shashank Gupta, Revefi is a pioneering startup that has secured $30 million in Series A funding from prestigious investment firms, including Icon Ventures, Mayfield Fund, GTM Capital, and StepStone Group.Revefi’s innovative Agentic AI solution is revolutionizing how modern enterprises manage data reliability, operations, quality, and costs. Our flagship AI Agent is a versatile cross-platform tool that integrates with all major cloud data providers, empowering leading corporations like Verisk, AMD, Ocean Spray, and Stanley Black & Decker to optimize their cloud expenditures, ensure high-quality data, and enhance operational performance through AI-driven automation and intelligence.As we shape the future of Cloud Data Cost Optimization and Cloud Data Operations, we invite passionate and talented individuals to join our journey.Recently recognized as a 2025 Gartner® Cool Vendor™, you can learn more about our values and vision at revefi.com. The Role: Graduate Software EngineerWe are seeking motivated Computer Science graduates from the Class of 2025 who are eager to kickstart their careers by developing real-world backend systems at scale. As a Graduate Software Engineer, you will collaborate closely with seasoned engineers and founders to help build and enhance our cloud-native SaaS platform.If you have a passion for backend development, distributed systems, and cloud technologies, and you’re excited about learning through building impactful products, this is an exceptional opportunity to accelerate your growth in a dynamic, early-stage, product-driven environment.

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.

Anduril Industries develops advanced defense technology for the U.S. and allied military forces, combining expertise from top technology firms with the needs of the defense sector. The company’s products run on Lattice OS, an AI-based operating system that transforms large data streams into a 3D command and control interface. The mission centers on delivering autonomy, AI, computer vision, sensor fusion, and networking capabilities to military teams efficiently. TRS Simulation Team The TRS Simulation team creates the frameworks, tools, and processes that make simulation reliable for the Tactical Recon & Strike business line. Their work covers simulation infrastructure, fidelity, integrations, and training simulations. These efforts support products such as Altius, Ghost, Bolt, and Anvil throughout their lifecycle, from early development to field deployment. Every improvement in simulation fidelity and each validated model directly influences the effectiveness of autonomous systems in real-world missions. The team aims for a unified simulation framework that works seamlessly across all products and deployment targets. This includes developer laptops, CI pipelines, operator training, and large-scale HPC Monte Carlo runs. A single declarative workspace definition can be composed and deployed wherever simulation is required, allowing teams to focus on mission challenges rather than infrastructure. Role overview The Software Engineer - Simulation Integrations role suits an adaptable engineer who thrives on cross-disciplinary work and new challenges. The Sim Integrations sub-team connects the simulation platform with the programs that rely on it. This involves collaborating with program managers, autonomy engineers, systems engineers, operators, and clients across the full range of TRS products and programs. One week may involve setting up a new simulation environment for a field exercise, while the next could focus on refining an existing setup for greater operational efficiency. The pace is quick and priorities may shift, but the team’s simulation environments enable others to create, validate, and deploy autonomous systems. What you will do Understand simulation requirements from different programs Identify gaps in current simulation capabilities Develop actionable plans to address those gaps Execute plans and ensure satisfaction for customers and stakeholders Location Seattle, Washington, United States

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 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!