Senior Backend Engineer | Revefi | Seattle

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.

Aerostrat is seeking a Senior Full-Stack Software Engineer in Seattle. This position involves leading projects that influence the direction of our technology. The role calls for experience in both front-end and back-end development, with a focus on building applications that serve users effectively. Role overview As a Senior Full-Stack Software Engineer, you will work with teams across disciplines to design and implement scalable solutions. The position emphasizes collaboration and a commitment to refining our development processes. What you will do Lead and contribute to key software projects from concept to delivery Develop and maintain both front-end and back-end components Work closely with cross-functional teams to ensure applications meet user needs Help drive improvements in our engineering practices Requirements Strong background in full-stack development Experience building scalable web applications Ability to collaborate effectively with diverse teams

Join Aerostrat as a Technical Program Manager, where you'll oversee and drive the successful execution of innovative projects in our dynamic organization. Your expertise will be crucial in coordinating cross-functional teams, ensuring project milestones are met, and delivering high-quality results that align with our strategic goals.

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.

Join Aerostrat as a Principal Product Manager and play a pivotal role in shaping the future of our innovative product line. You will lead cross-functional teams, drive product strategy, and ensure that our offerings meet the needs of our customers while aligning with business objectives. Your expertise will guide the product development lifecycle from conception to launch.

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.

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.

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.

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.

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.

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!

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.

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 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.

Join Aircall as a Senior Backend Software Engineer and play a pivotal role in shaping our backend systems. You will be responsible for designing and implementing scalable, reliable, and high-performance software solutions. Collaborate with cross-functional teams to develop innovative solutions that meet our customers' needs.

Important Note: We can only consider candidates who are eligible to work in the United States without visa sponsorship. This includes U.S. citizens and Green Card holders.About Evertune AI:Evertune is at the forefront of creating the first AI discovery platform tailored for modern marketers. In a landscape where large language models (LLMs) are becoming essential for insights and recommendations, we empower brands to decipher AI narratives about their performance, competitive positioning, and visibility in AI-driven responses. Our platform transforms complex AI behaviors into actionable strategies, enabling marketing teams to make rapid and informed decisions that fuel growth.Founded by industry veterans who played pivotal roles in scaling The Trade Desk into a premier ad tech leader, we possess extensive knowledge in digital advertising, data analytics, and high-growth scenarios. We are trailblazing a new territory that intersects AI, SEO, and brand strategy.With a $15M Series A funding round led by Felicis Ventures, alongside contributions from Eniac, NextView, Roger Ehrenberg, and key figures from OpenAI, Google, Meta, and Uber, we are positioned for rapid growth as we develop the first enterprise-grade AI marketing suite.Supported by top-tier venture capitalists and trusted by innovative brands, we have the capacity to scale — but our true essence lies in our culture. We act swiftly, think creatively, and embrace the best ideas regardless of hierarchy. If you are passionate about shaping the future of brand growth in the AI era, you will excel here.Your Team:You will be integrating into Evertune's software engineering team, a close-knit and dynamic group, primarily based in Seattle and New York City. Despite spanning different time zones, we maintain strong alignment and shared urgency. Our engineers are focused on delivering at high speed: we prioritize rapid deployment, meticulous attention to detail, and genuinely enjoy collaborative development.As a key early hire, you will influence not only our coding practices but also our growth strategies, communication methods, and scaling processes.Your Role:You will assume deep technical ownership of the backend systems that drive our AI Discovery platform, working at the cutting edge of evaluating and applying LLMs to real-world challenges. This encompasses designing distributed systems, defining our cloud and infrastructure strategies, optimizing AI integrations, and making architectural choices that facilitate swift and reliable scaling.You are primarily a software engineer — someone with a profound understanding of building robust software systems — but you are equally enthusiastic about working at the infrastructure level. You appreciate how a solid and scalable infrastructure can enhance software performance.

Join Our Team as a Senior Backend Engineer (Golang & AI Automation)Location: Seattle, WA (Hybrid) or Remote (US-based) Job Type: Full-time Salary Range: $140,000 – $180,000 / yearAbout the Opportunityeqltech is proud to partner with an innovative seed-stage startup in Seattle that is revolutionizing the workplace with advanced automation solutions.Picture a future where intricate workflows are simplified through the mere act of screen recording. Our client is creating the technology that transforms video inputs into dynamic, automated workflows powered by cutting-edge AI.This position offers a unique