Staff Software Engineer - Backend Development

Role Overview Weave is hiring a Staff Software Engineer focused on backend development at our headquarters in Lehi, UT. This role centers on building software that improves customer experiences and supports business growth. What You Will Do Design, develop, and maintain scalable backend systems Work closely with teams across engineering, product, and design …

About Reach Security Reach Security integrates with existing security tools to help organizations uncover vulnerabilities, identify blind spots, prioritize fixes, and automatically correct misconfigurations. The platform focuses on keeping security posture validated and strong over time. Role Overview: Staff Software Engineer, Backend Development (Remote) This role centers on building and improving the backend systems that power Reach Security’s products. Staff Backend Software Engineers at Reach Security work on platform infrastructure, APIs, databases, and data pipelines. The work involves managing large datasets, developing reliable infrastructure, and creating APIs for both internal and external use. Key challenges include optimizing data storage and retrieval, ensuring data integrity, and designing scalable APIs to meet evolving product needs. The position requires deep experience with Python, strong understanding of algorithms and data structures, and a broad background in data engineering, database management, and API development. Staff engineers are expected to take ownership of backend components early, shape engineering practices, align technical work with business goals, and seek out new ways to deliver value to users. The role includes designing system architectures, reviewing technical designs, resolving complex issues, and conducting code reviews to maintain high standards of reliability and maintainability. What You Will Do Lead complex backend engineering projects focused on APIs, data processing, and infrastructure. Drive the implementation of major engineering initiatives. Foster a culture of technical excellence within the team. Work independently and show initiative in a changing environment. Create technical proposals to document and align teams on the design of complex projects. Key Qualifications Expertise in Python, algorithms, and data structures. Experience with system design, data engineering, database management, and API development. Ability to solve ambiguous problems and deliver high-quality solutions. Strong communication skills and a collaborative approach to technical feedback.

About 3Y HealthAt 3Y Health, we are at the forefront of revolutionizing healthcare administration through our innovative AI business manager. Our mission is to simplify the complexities that consume nearly 40% of the healthcare industry's revenue. Our robust platform equips clinician entrepreneurs with the tools they need to effectively launch, manage, and expand their private practices. With over $200 million in backing from leading investors like Founders Fund, General Catalyst, SoftBank, and 8VC, we are committed to empowering independent providers with advanced AI and automation solutions that save time, foster business success, and enhance care delivery within their communities.Position OverviewWe are on the lookout for a Backend Engineer who is passionate about designing and scaling high-performance backend systems that drive our AI-first platform. The perfect candidate will have a strong background in developing distributed services using languages such as Go, Java, Python, or TypeScript. A solid understanding of modern API design and communication protocols (REST, gRPC, GraphQL) is essential, alongside a commitment to delivering reliable, secure, and scalable infrastructure.Ideally, you have experience integrating AI functionalities—be it through external AI APIs, managing machine learning inference pipelines, or supporting data infrastructure for model training. You're more than just a code contributor; you care about how your systems are deployed, monitored, and maintained in production. Experience with regulated data environments such as healthcare or fintech is a plus.This role is suited for a hands-on engineer who thrives in collaborative, cross-functional settings, works effectively with product and frontend teams, and proactively builds systems designed for scalability, compliance, and maintainability.

Join Sound.xyz as a Staff Backend Engineer and play a pivotal role in shaping an innovative music economy that prioritizes artists and fosters closer connections between fans and their favorite music.In this role, you will steer the technical direction of our engineering team while also contributing directly to our codebase. Your responsibilities will include architecting and leading new projects, designing and implementing robust API layers, and enhancing our performance and reliability as we scale our product and organization. You will influence the development of core song and artist pages for listening parties, web3 economic tools (NFTs, splits), and community governance and membership tools, empowering the next generation of crypto-native artists and their communities. Your insights will directly affect product decisions and user experiences.

Join Our Crew at Ivo! At Ivo, we are not just engineers; we are creators on a mission to revolutionize the legal landscape with cutting-edge technology. As pioneers, we have introduced groundbreaking innovations, including:• An AI agent seamlessly integrated into MS Word to enhance your document editing experience [2023]• Advanced RAG techniques that surpass traditional embedding models [2023]• Large-scale LLM-based legal fact extraction capabilities [2024]• A legal assistant that navigates extensive contract databases with unmatched precision [2024]• Innovative clustering of related legal documents [2025]• Automatic deviation analysis for risk identification in vast contract databases [2025]• The ability to merge contracts with amendments for a comprehensive timeline of 'composite' contracts [2025] Your Mission as a Backend EngineerAs a vital member of our team, your primary role will be to build robust systems that manage and analyze millions of contracts efficiently. Your responsibilities include:• Developing systems capable of processing large volumes of contracts with reliability• Crafting data pipelines that orchestrate LLMs, data extraction, and clustering algorithms at scale• Building the industry’s most accurate search and retrieval systems• Collaborating with legal professionals and product teams to adapt to the rapid evolution of LLM technology Why Join Us?Every major corporation has an in-house legal team, and many of these dedicated professionals are overwhelmed with long hours and tight deadlines. Our mission at Ivo is to empower these lawyers by providing them with innovative solutions that reclaim their time and sanity. We are developing an AI-native platform dedicated to automating the monotonous tasks in legal work. Our products are loved by users, boasting an impressive 85% trial win rate amidst fierce competition. Join us in making a difference!

P-940 This position is open to our offices in both Seattle and Bellevue. At Databricks, we are dedicated to empowering data teams to tackle the world's most pressing challenges, from detecting security threats to innovating in cancer drug development. By constructing and managing the globe's premier data and AI infrastructure platform, we enable our clients to concentrate on the critical challenges central to their missions. Founded in 2013 by the original architects of Apache Spark™, Databricks has expanded from a modest office in Berkeley, California to a global powerhouse with over 1,000 employees. We are proud to be one of the fastest-growing SaaS companies, trusted by thousands of organizations ranging from startups to Fortune 100 companies with their most vital workloads. Our engineering teams develop highly technical products that address significant global needs. We continually push the limits of data and AI technology, while ensuring the resilience, security, and scalability essential for our customers' success on our platform. We operate one of the largest-scale software platforms, comprised of millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we routinely encounter cloud hardware, network, and operating system faults, and our software is engineered to seamlessly shield customers from these issues. As a backend-focused software engineer, you will collaborate closely with your team and product management to prioritize, design, implement, test, and operate micro-services for the Databricks platform and products. This role involves writing software in Scala/Java, building data pipelines (Apache Spark™, Apache Kafka), integrating with third-party applications, and engaging with cloud APIs (AWS, Azure, CloudFormation, Terraform). Join one of our dynamic teams, such as: Data Science and Machine Learning Infrastructure: Develop services and infrastructure at the nexus of machine learning and distributed systems. Our technology powers the flagship collaborative workspace, notebooks, IDE integrations, and project management tools. We facilitate machine learning at scale with tools for environment management, distributed training, and managing the machine learning lifecycle through MLflow. Compute Fabric: Create the resource management infrastructure that supports all big data and machine learning workloads on the Databricks platform in a robust, flexible, and secure manner.

Company OverviewCredit Genie is an innovative mobile-first financial wellness platform dedicated to empowering individuals to seize control of their financial future. By harnessing the power of artificial intelligence, we deliver personalized financial insights and create a comprehensive financial ecosystem that provides instant cash access and credit-building tools. Our mission is to ensure long-term financial stability for every customer.Founded in 2019 by Ed Harycki, the former founder of Swift Capital (acquired by PayPal in 2017), we are supported by Khosla Ventures and led by industry experts from renowned companies such as PayPal, Square, and Cash App. Together, we are poised to redefine the landscape of inclusive finance through cutting-edge technology and customer-centric solutions.Role OverviewAs a Staff Software Engineer specializing in backend development, you will be instrumental in transforming our platform by designing and constructing the foundational systems that drive our financial products. This is a unique opportunity to architect scalable infrastructure, influence technical strategy, and contribute to product development from inception to completion. Join us at this rapidly growing fintech startup, where your contributions will significantly impact both the organization and the financial well-being of our users.

About the Role: Join our dynamic team at Tubi TV as a Senior Staff Software Engineer, where your deep technical knowledge will intersect with influential organizational leadership. This position transcends individual service management, requiring a proven ability to make significant contributions across teams, domains, and comprehensive distributed systems. This is a hybrid role based in our San Francisco or New York City offices, with a requirement to be present in-office three days a week. What You'll Do: Define and steer the architectural vision across various services and teams. Lead the design and enhancement of distributed systems. Ensure the systems are developed for enduring scalability, resilience, observability, and security. Facilitate technical alignment across diverse teams within client, infrastructure, product, ads, and content domains. Mentor senior engineers, elevating engineering standards throughout the team. Make pivotal system design decisions impacting multiple platforms. Contribute to domain expertise in areas such as Linear systems, EPG platforms, or time-based content architectures (preferred). Advance Tubi’s backend development practices, encompassing AI-native engineering workflows. Exhibit flexibility to address critical business requirements outside of regular working hours when necessary, such as on-call responsibilities and live events. Demonstrate a strong sense of ownership, proactively managing on-call situations and production stability. Showcase cross-team leadership capabilities, with experience navigating complex organizational environments. Your Background: Proven experience in designing and operating large-scale distributed systems. Expertise in backend development (preferably Elixir and Rust or similar languages). Strong architectural judgment with a track record of successful cross-team technical leadership. Proficient in gRPC/Protocol Buffers, RESTful APIs, Kubernetes, and observability systems. Ability to lead intricate, cross-functional initiatives effectively. Excellent communication skills with the capacity to articulate trade-offs and foster alignment. Experience in high-traffic, mission-critical production environments. Familiarity with Linear content systems, EPG platforms, or time-based scheduling architectures is preferred. Hands-on experience in constructing or supporting systems for large-scale live events (e.g., major sports).

About WorkWhileAt WorkWhile, we are dedicated to empowering workers to achieve better livelihoods and enhance their quality of life. Over 80 million Americans are employed in hourly positions, often facing inconsistent schedules and minimal wages that contribute to financial uncertainty.We are transforming the landscape of frontline work by fostering a more adaptive and productive labor market. Leveraging artificial intelligence, the WorkWhile platform provides businesses with immediate access to top-tier talent. Our workers enjoy benefits such as same-day pay, complimentary telehealth services, skill development opportunities, and the flexibility to select shifts that suit their expertise and availability.Our ambitious vision aims to align incentives and address inefficiencies within the labor market, challenging the $650 billion staffing and recruiting sector. Supported by Khosla Ventures and recognized by Inc. 5000 for remarkable growth, WorkWhile is redefining the future of work.

Join Coupang as a Staff Backend Engineer in our eCommerce Engineering team, where you'll have the opportunity to work on innovative projects that shape the future of online shopping.We are seeking a talented engineer with a passion for backend development and a strong understanding of eCommerce systems. You will play a critical role in designing and implementing robust backend solutions that enhance user experience and drive business growth.To apply, please ensure you complete the attached Internal Transfer Request Form and submit it along with your application.

Join DoorDash as a Senior Staff Software Engineer in Backend Development, where you will play a pivotal role in creating and sustaining a robust, 24/7 global infrastructure system that fuels our dynamic three-sided marketplace of Consumers, Merchants, and Dashers. In this hybrid position, you will collaborate with cross-functional teams to develop innovative solutions that tackle complex business challenges, while mentoring junior engineers and contributing to our technical roadmaps.

At Dragos, we are passionately dedicated to safeguarding the industrial organizations that provide the essential services of modern life, including clean water, reliable electricity, and safe working conditions. As a leader in ICS/OT Cybersecurity, we empower our clients with advanced technology, robust threat intelligence, and expert services to protect their critical systems with optimal efficiency. Our remote-first culture spans across North America, Europe, the Middle East, and APAC. We seek mission-driven individuals who exemplify our core values of authenticity, transparency, and trust. Ready to make a significant impact? Join us in our mission to save the world!About the Role:As a Staff Software Engineer, you will play a crucial role in designing and delivering complex, high-impact projects that influence the technical trajectory of our platform. This position requires extensive technical knowledge and outstanding communication skills. Collaborating with engineers at all levels, you will advocate for modern development methodologies, including AI-assisted development.

Join Coinbase as a Staff Software Engineer specializing in Backend development for our Advanced Trading division. In this role, you will be responsible for building scalable and efficient systems that empower our users to engage in advanced trading strategies. You will work closely with product managers, designers, and other engineers to develop features that enhance user experience and drive platform performance.

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.

Join Our Team at Unify!At Unify, we are at the forefront of innovation, developing the first AI-driven system of action for revenue teams. Our mission is to empower organizations by transforming outbound sales into their most effective growth accelerator, making go-to-market strategies observable, repeatable, and scalable. Founded in 2023 by visionary leaders from Ramp and Scale AI, our diverse team boasts experience from renowned companies such as Airbnb, Meta, Waymo, and Monday.com.In 2024, we achieved an impressive 8x revenue growth and currently serve esteemed clients like Perplexity, Cursor, SoFi, and Justworks. We’re a dynamic and high-energy team that has successfully raised $58M from prominent investors including Thrive, Emergence, and OpenAI. Be part of our journey to redefine the future of go-to-market strategies!About Us:Founded on January 17, 2023, by Austin Hughes and Connor Heggie, Unify aims to build the premier system-of-action for go-to-market teams, starting with an end-to-end platform that facilitates warm outbound sales. Today, the outbound sales landscape is cluttered with cold, mass outreach, yielding minimal conversion rates. Our innovative platform is designed to connect sales teams with the right prospects at the perfect moment.Our remarkable growth trajectory continues, with an 8x revenue increase year-over-year, and we proudly provide services to a wide range of clients, including Guru, Justworks, Together.AI, and Hightouch. Join our passionate, driven team and help us reshape the way go-to-market strategies function.Role Overview:As a Staff Software Engineer, you will lead the development of innovative products from inception to launch, collaborating closely with our founders. You will take ownership of critical engineering projects that deliver significant value to our customers while establishing the technical groundwork for Unify. This is an opportunity to work at the cutting edge of technology, leveraging the latest advancements in AI.Your Responsibilities:Collaborate with a highly skilled team in product, design, and engineering to shape our product roadmap and engineering foundation.

What artisan IsAt artisan, we are pioneering the development of AI employees—autonomous digital workers capable of performing real jobs, beyond just being chatbots or copilots.Our flagship product, Ava, serves as an AI Business Development Representative (BDR) utilized by hundreds of companies. Ava conducts lead research, composes and dispatches emails in the voice of the customer, orchestrates complex outbound sequences, manages her own deliverability infrastructure, optimizes her performance over time, and adeptly addresses objections while booking meetings. She is not merely a tool; she is a true teammate.As a YC W24 company, we have raised over $35 million from esteemed investors, including Y Combinator, and currently boast an annual recurring revenue (ARR) exceeding $8 million. We are in the process of developing Ava 2.0, a transformative iteration that will redefine the capabilities of AI employees. The engineering challenges we face are significant, with a broad surface area to navigate.The RoleIn this foundational engineering role, you will be responsible for developing the backend that enables our AI employees to function effectively.We process millions of signals, including lead data, email engagement, deliverability metrics, and behavioral patterns, to facilitate autonomous decision-making. The backend is integral to our operations, powering the AI, running the platform, and influencing Ava's performance for each customer. You will take ownership of significant components of this system.Here’s what your work will entail:High-throughput AI orchestration.Design and construct the services and pipelines that empower Ava to process substantial volumes of signals and render swift, reliable decisions.Platform infrastructure.Artisan integrates an entire sales stack—covering email infrastructure, CRM, lead databases, campaign engines, inbox management, and AI coordination—into a single product. You will be entrusted with key aspects of this platform.High ownership, end to end.You will design, build, deploy, and monitor projects. We emphasize a holistic approach, where architecture and implementation are intertwined. You will be accountable for outcomes, not merely task lists.Our pace is rapid, and iteration is key:You will continuously deliver updates. Our engineering organization operates with minimal bureaucracy, facilitating a flat structure.Our technology stack includes TypeScript/Node, PostgreSQL, Redis, Kubernetes, Mastra, Temporal, Langfuse, ECS, EC2, all deployed on AWS. We practice continuous release cycles.Who You AreYou possess 6+ years of backend engineering experience, ideally in a high-performance environment.

Join Whop as a Staff Software Engineer, BackendAt Whop, we are pioneering the future of financial technology with a commitment to delivering sustainable income solutions worldwide. Our goal is to build the largest online marketplace where individuals and businesses can effortlessly create, connect, and transact on a single, innovative platform.With an astonishing $3 billion in annual payouts across 144 countries, we are on an impressive growth trajectory, experiencing a month-over-month transaction volume increase of approximately 25%.Backed by significant investments from industry leaders like Insight, Bain Capital Ventures, and Peter Thiel, including a major strategic partnership with Tether, the world’s leading stablecoin enterprise, Whop is well-positioned for future success.Our vibrant team comprises enthusiastic entrepreneurs who are deeply rooted in the digital landscape, with over 75% having launched their own businesses before joining us. This includes 53 former founders and 30 who have achieved over $1 million in revenue. Our product leaders bring valuable expertise from major tech companies like Meta and Robinhood.To learn more about our mission and vision, visit whop.com.

As the leading online real estate platform trusted by professionals, Realtor.com® has been revolutionizing the industry for over 25 years. We connect buyers, sellers, and renters with valuable insights and expert guidance to help them find their dream home. Our comprehensive suite of tools not only empowers consumers in making significant life decisions but also enhances the overall real estate experience.Join us in our mission to help more people find their perfect home by breaking down barriers and fostering connections through expert advice.We prioritize the use of advanced tools to solve challenges efficiently. In this role, you will adeptly utilize AI coding assistants and LLMs to boost development speed, generate boilerplate code, and navigate complex debugging scenarios. This position demands critical assessment abilities to validate AI-generated outputs for security, performance, and accuracy. You should seamlessly integrate AI tools into your workflow to minimize repetitive tasks and concentrate on impactful architectural and strategic engineering challenges.As a Staff Software Engineer at Realtor.com, you will serve as a technical leader addressing complex and ambiguous challenges within the team. Your responsibilities will include:Guiding the team in balancing immediate requirements with long-term business success.Providing comprehensive design guidance and influencing decisions across teams.Facilitating trade-offs and promoting code reuse where feasible.Collaborating with Product Management on project concepts and engaging with customers, stakeholders, and colleagues.Exhibiting exemplary coding practices and work ethic.Mentoring team members through active participation in code reviews, design discussions, and planning sessions.Your Role Will Include:Leading design and implementation efforts for complex and ambiguous projects.Offering architectural guidance to teams.Creating high-quality, scalable, and reliable solutions.Working collaboratively with cross-functional teams including Product Managers, Designers, Analysts, and Engineers.Mentoring and developing fellow engineers.Exploring and prototyping new technologies to enhance our offerings.

Join Saris AI as a Staff Backend Software Engineer, where you will play a pivotal role in developing innovative solutions that harness the power of artificial intelligence. In this dynamic position, you will collaborate with cross-functional teams, design scalable systems, and contribute to the overall architecture of our backend solutions.

Role overview rdccareers seeks a Senior Staff Software Engineer with a focus on backend development in Austin, Texas. This role centers on designing, building, and maintaining backend systems that power the company’s core applications. The position calls for deep technical expertise and a collaborative mindset. What you will do Design, develop, and maintain backend infrastructure for major products Work with engineering, product, and other teams to deliver dependable software Contribute to key architectural decisions that influence system direction Mentor junior engineers and help shape technical strategy Promote backend best practices throughout the team Find ways to improve scalability, performance, and overall system quality Requirements Significant experience with backend technologies and designing complex systems Proven ability to collaborate with cross-functional teams Experience mentoring and guiding engineers at different levels Dedication to process improvement and delivering high-quality software