Senior Software Engineer - Backend

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

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.

Role Overview Rebuild Manufacturing is building Reflow, an AI-enhanced platform for hardware product development. The platform connects with the tools hardware teams already use, maintains visibility across every program, and coordinates changes across disciplines. The goal: prevent missed context and overlooked change requests that can disrupt hardware projects. This role calls for a senior backend engineer to help create the core services and AI infrastructure behind Reflow. The work is hands-on and high-impact, with support from a parent company recognized for its leadership in engineering and manufacturing. What You'll Do Design and build RESTful APIs with OpenAPI specifications and auto-generated client SDKs, using Python, FastAPI, SQLAlchemy, and PostgreSQL. Create ingestion pipelines with Celery and Redis to connect with file storage, messaging, and email systems, turning unstructured inputs into structured engineering artifacts. Develop and refine agentic AI workflows using LangChain, LangGraph, and related tools for data extraction, risk analysis, dependency mapping, and proactive team coordination. Integrate LLM APIs (including Anthropic Claude and OpenRouter) with features like streaming (SSE), error handling, and cost management. Deploy and manage services on Google Cloud Platform (Cloud Run, Cloud SQL, Memorystore) using Terraform. Who We're Looking For Proven experience delivering reliable, well-architected backend systems and taking ownership of the services built. Strong skills with Python, FastAPI, and PostgreSQL. Comfort with building everything from REST APIs to background task pipelines and AI agent infrastructure. Regular use of AI coding tools such as Cursor, Copilot, or Claude to boost productivity. Interest in building the backend for an AI-native platform supporting complex hardware development. Ability to work closely with engineers, AI researchers, and product leadership to turn unstructured data (like call transcripts, emails, documents, datasheets) into structured engineering outputs (requirements, project plans, dependencies). Hands-on approach: active coding, contributing to system design, and helping set backend engineering standards as the team grows. Locations Framingham, MA; Los Angeles, CA; Seattle, WA

Join Coupang as a Senior Director of Backend Engineering in AI Infrastructure Orchestration!About Us: At Coupang, our mission is to amaze our customers. We thrive on the feedback that our customers give us, often exclaiming, 'How did we ever live without Coupang?' Our company is built on a passion for transforming the shopping, dining, and living experience into something unparalleled, effectively revolutionizing the multi-billion-dollar e-commerce sector from the ground up. We have established ourselves as one of the fastest-growing e-commerce companies, earning a reputation as a dominant and trustworthy player in South Korean commerce.We embody the best of both worlds: a dynamic startup culture paired with the extensive resources of a global public company. This unique combination propels our growth and allows us to launch innovative services at a remarkable pace. Our team is composed of entrepreneurial spirits who are eager to seize new initiatives and drive innovation. We pride ourselves on being bold and ambitious, always ready to roll up our sleeves and make a tangible difference. At Coupang, you will witness personal, team, and company growth each day.Join us in our quest to redefine the future of commerce. We continually challenge the limits of what's possible to resolve issues and transcend traditional boundaries. Be a part of Coupang and help create extraordinary experiences in an ever-connected, high-tech world.

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!

About Us:Read AI is at the forefront of productivity-driven AI, dedicated to empowering individuals and organizations to enhance their workflows across meetings, messages, and emails. Our innovative solutions seamlessly integrate with platforms like Microsoft Teams, Google Meet, Zoom, Slack, Hubspot, and Salesforce, transforming how teams collaborate and connect by offering an AI copilot wherever they are.Recently, we successfully completed a $50 million Series B funding round led by Smash Capital, with ongoing support from our valued investors Madrona and Goodwater Capital. With a total investment of $81 million secured just six months after our Series A, we are poised for rapid growth. If you thrive on making a significant impact through early and frequent deliveries, we invite you to be part of our expanding team!The Role:As a Backend Software Engineer at Read AI, your expertise will play a crucial role in the functionality, scalability, and reliability of our offerings. You will be part of a team that manages the service layer, encompassing authentication/authorization, account management, third-party integrations, data processing orchestration, database management, and data APIs.Responsibilities:Work closely with cross-functional teams to design and implement scalable and reliable backend services and APIs that support our platform.Take full ownership of key system components from the initial concept through deployment and ongoing maintenance.Adhere to quality assurance practices, including unit and integration testing.Implement robust authentication and authorization methods to safeguard data security and privacy.Enhance data processing pipelines and storage solutions for optimal performance.Seamlessly integrate external services and data sources into our platform.Monitor, troubleshoot, and resolve infrastructure and operational issues to maximize uptime and reliability.Continuously assess and adopt best practices, tools, and technologies to improve the scalability, reliability, and maintainability of our systems.Requirements:Bachelor's degree or higher in Computer Science/Engineering, or a minimum of 3 years of relevant industry experience.Demonstrated proficiency in backend development with one or more programming languages such as Python, Java, or similar.

About Us:At Read AI, we are a rapidly growing, venture-backed startup dedicated to leveraging artificial intelligence to transform the way individuals engage with information. Our innovative product empowers users to efficiently summarize, enhance, and consolidate data from meetings, chats, and emails, ultimately saving time and enhancing productivity. With over a million active monthly users, we are on a continuous growth trajectory and are seeking passionate individuals who share our commitment to innovation and making a meaningful impact.We prioritize creating a diverse and inclusive workplace where every voice is heard and valued. We warmly welcome candidates from all backgrounds, abilities, and experiences to apply.The Role:As a Backend Software Engineer for Enterprise Applications at Read AI, you will be instrumental in developing and maintaining the backend services that drive our enterprise product offerings. You will work closely with cross-functional teams to design, implement, and deploy scalable and dependable backend solutions tailored to meet the diverse needs of our enterprise 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.

About Read AI:At Read AI, we are transforming the way teams collaborate by infusing intelligence into every conversation. Our innovative platform enhances productivity across meetings, messages, and emails, allowing work to be accomplished more efficiently and with enhanced focus. We integrate seamlessly with popular tools such as Zoom, Microsoft Teams, Google Meet, Slack, and others, ensuring teams remain aligned and can progress, regardless of their physical location.With $81 million in backing from Smash Capital, Madrona, and Goodwater Capital, Read AI is on an exciting growth trajectory. If you are passionate about shaping the future of AI-driven collaboration and want to make a significant impact at a product-centric startup, we would love to connect with you.The Role:We are looking for a Staff Software Engineer to join our Core Services team. In this pivotal technical leadership role, you will be recognized as an authority throughout the organization. You will not only manage systems but will take ownership of the technical integrity of platforms that span various departments, ensuring our infrastructure is scalable, resilient, and innovative. Your contributions will significantly influence our engineering culture and the long-term success of the business.Responsibilities:Design, develop, and maintain robust backend services and APIs, primarily utilizing Python (FastAPI), SQLAlchemy, and AWS infrastructure.Create and implement features for data ingestion, third-party integrations (e.g., Slack, HubSpot, Notion), authentication/authorization, and enterprise-level security and compliance.Oversee the complete software development lifecycle: requirements gathering, design, implementation, testing, deployment, and monitoring.Work in close collaboration with product managers, front-end engineers, and data scientists to deliver cutting-edge solutions.Foster technical excellence through code reviews, mentorship, and adherence to best practices in software engineering.Participate in on-call rotations and contribute to the operational excellence, reliability, and observability of backend systems.Continuously enhance system performance, scalability, and reliability to accommodate rapid user and data growth.Promote a culture of innovation, ownership, and customer-centricity.

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 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.

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

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 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.

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!

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.

About Us:Read AI is at the forefront of productivity-enhancing AI solutions, dedicated to empowering individuals and organizations to streamline their workflows across meetings, messaging, and email communication. Our seamless integration with leading platforms such as Microsoft Teams, Google Meet, Zoom, Slack, Hubspot, and Salesforce transforms how teams collaborate, providing an AI copilot that enhances productivity wherever work happens.Having recently secured $50 million in Series B funding led by Smash Capital, along with ongoing support from existing investors Madrona and Goodwater Capital, our total funding now stands at $81 million, marking an exciting phase of growth just six months post-Series A. If you are passionate about developing impactful solutions and eager to contribute to a rapidly growing company, we invite you to be part of our journey!The Role:As a Senior Software Engineer at Read AI, you will play a critical role in shaping the architecture and performance of our product. You will oversee the data flows and machine learning infrastructure, which encompasses real-time audio and video processing, interactions with third-party LLM providers, data processing orchestration, database management, data APIs, inferencing services, and transcription services.Responsibilities:Collaborate with cross-functional teams to design and develop scalable and reliable backend services and APIs that power our platform.Take ownership of key system components from conception through deployment and maintenance.Implement quality assurance best practices, including unit and integration testing.Optimize data processing pipelines and storage solutions for efficiency.Seamlessly integrate third-party services and data sources into our platform.Monitor and troubleshoot infrastructure and operational issues to ensure maximum uptime and reliability.Continuously assess and adopt best practices, tools, and technologies to improve system scalability, reliability, and maintainability.

About the RoleJoin Clarify as a Senior Backend Engineer and play a pivotal role in developing the essential systems that underpin our AI-driven CRM. Collaborate closely with the founders to design and implement critical infrastructure, including data pipelines, integration frameworks, and tools that enhance developer productivity and system reliability. This is an exciting opportunity for individuals who have experience in building scalable platforms and are eager to establish best practices using modern technologies and AI-first concepts.Your ResponsibilitiesDevelop core platform systems such as data pipelines, integration frameworks, API infrastructure, and developer tools.Design scalable data models and storage strategies to support complex CRM workflows and AI functionalities.Implement observability, monitoring, and performance metrics to ensure reliability as we expand to serve thousands of customers.Establish platform standards for API design, service architecture, testing methodologies, and deployment processes.Make key technical decisions regarding infrastructure, architectural patterns, and technology stack.Collaborate with the founders on technical strategies that balance innovation with practical execution.