Senior Software Engineer - Backend

Are you ready to challenge your limits and embrace your potential?At Coinbase, we are dedicated to enhancing economic freedom across the globe. This is an ambitious mission that requires our utmost commitment as we develop the future of the global financial system through our innovative on-chain platform.We’re searching for a unique individual who is not only passionate about our mission but also believes in the transformative power of cryptocurrency and blockchain technology to revolutionize the financial landscape. If you are driven to make a meaningful impact, thrive in high-pressure environments, and value constructive feedback, we want you on our team to tackle our most complex challenges.Our work culture is intense and might not be suitable for everyone. However, if you aspire to create the future alongside exceptional professionals who demand excellence, there is no better place to grow.While many roles at Coinbase are designed to be remote-first, we are not exclusively remote. In-person collaboration is encouraged throughout the year, with regular team and company-wide offsite events to enhance teamwork, connection, and alignment. Your participation is anticipated and fully supported.About the Team:Our Financial Engineering team is responsible for establishing Coinbase's financial data and reporting infrastructure, ensuring accurate, timely, and verifiable financial operations. Collaborating closely with Finance, Accounting/Controllership, Treasury, and Product Engineering, we guarantee that financial data is comprehensive, reconciled, and traceable, supporting essential workflows such as month-end closing and large-scale reporting.Key Responsibilities:Develop new services using Golang to address critical product and business requirements.Design scalable systems that solve unique problems utilizing cutting-edge cloud technology and industry best practices.Articulate a long-term vision for the maintenance and scaling of our backend systems and the teams managing them.Collaborate with engineers, designers, product managers, and senior leadership to translate our product and technical vision into a concrete roadmap each quarter.Produce high-quality, well-tested code that meets customer needs.

About WorkWhileAt WorkWhile, we are dedicated to empowering hourly workers to achieve financial stability and improved quality of life. With over 80 million Americans engaged in hourly employment, many face unpredictable schedules, low wages, and scarce benefits, which can lead to economic hardship.Our innovative platform is transforming the landscape of frontline work by fostering a more adaptable and effective labor market. Leveraging advanced AI technology, WorkWhile enables businesses to swiftly connect with top-tier talent. Workers enjoy same-day pay, complimentary telehealth services, opportunities for skill advancement, and the flexibility to select shifts that align with their expertise and personal schedules.Our ambitious aim is to harmonize incentives and address inefficiencies in the labor market, challenging the $650 billion staffing and recruiting industry. Supported by Khosla Ventures and celebrated by the Inc. 5000 for remarkable growth, WorkWhile is at the forefront of redefining the future of work.

Role Overview Sigma Computing builds a high-performance data platform aimed at making data accessible and useful. The engineering team focuses on modern data architecture and delivers features that help organizations explore and analyze data efficiently. As the team grows in San Francisco, Sigma is looking for a Senior Backend Software Engineer who enjoys solving complex problems and contributing to a product used by a wide range of users. What You Will Do Tackle challenging problems related to providing interactive experiences on data warehouses for exploration and analysis. Work with technologies including Rust, Go, GraphQL, Node, and Kubernetes. Build backend distributed services, design algorithms, and create APIs for a cloud-based application. Debug, track, and resolve product or system issues as they arise. Design and implement new backend features to support a growing user base. Participate in design and code reviews with teammates and stakeholders to maintain high standards and share knowledge. Location This position is based in San Francisco, CA.

HeartFlow Inc. seeks a Senior Backend Software Engineer in San Francisco, California. This role centers on designing and enhancing backend systems that power the company’s cardiovascular analysis platform. The technology supports both clients and clinicians, contributing to patient care in the medical field. Key responsibilities Build and improve backend software components for HeartFlow’s main platform Work closely with engineering, product, and clinical teams Support software quality and reliability for medical use Take part in solutions that aim to improve cardiovascular health outcomes Location This position is onsite in San Francisco, California.

At Julius, we are experiencing rapid growth, connecting with millions of knowledge workers. We invite a talented backend engineer to join our dynamic and highly skilled team, dedicated to transforming AI-powered code execution and data analysis.As a Senior Backend Software Engineer, you will take the lead in designing, implementing, and scaling the systems that drive our web and mobile applications.Your Responsibilities:Develop innovative products that integrate AI capabilities for millions of knowledge workers.Architect and enhance backend systems that support the core functionalities of Julius.Create robust interfaces between backend systems and web/mobile clients.Focus on scaling and load balancing of web server backends to meet evolving demands.Qualifications:Proficient in Python or a similar backend programming language.Extensive experience with database management, pooling, and concurrency.Familiarity with cloud services such as AWS, GCP, or Azure.Knowledge of infrastructure tools like Kubernetes and Terraform (or a desire to learn).Strong skills in designing extensible systems.Minimum of 2 years of engineering experience.Bonus: Experience with R programming language.Bonus: Prior work on AI side projects and interest in experimenting with LLMs.About Julius:Location: San Francisco, CA Type: Full TimeCompensation: Competitive base salary with significant equity options.Benefits: Comprehensive health and dental coverage, gym reimbursement, and daily team lunches.We are an innovative applied AI lab focused on creating coding agents. Our mission is to empower one billion individuals to become software creators, starting with data science and analysis applications. Our users include professionals from finance, operations, scientific research, and academia.

About UsWe are an innovative stealth-mode company funded by a16z Speedrun, dedicated to empowering leading consumer brands to achieve exceptional growth. Our cutting-edge solutions have gained the trust of pioneering organizations like Higgsfield and Promova among others. As we expand, we seek talented individuals who are eager to make a significant impact in the realm of consumer technology. You will be part of a passionate team at a crucial juncture, thriving in an environment that champions initiative, ambition, and creative solutions.The RoleAs a Senior Backend Engineer, you will be instrumental in developing and maintaining the essential backend infrastructure that powers our products. Your responsibilities will include:Designing scalable architectures that effectively support new product features and business objectives.Leading the development, deployment, and optimization of backend services to ensure top performance, reliability, and maintainability.Collaborating with cross-functional teams to seamlessly integrate third-party platforms, APIs, and cutting-edge AI technologies.Facilitating technical discussions, providing mentorship, and sharing best practices with fellow team members.Actively contributing to the continuous enhancement of our engineering standards and development workflows.Proactively identifying and addressing complex technical challenges to ensure stable and secure operations.What We ExpectA minimum of 5 years of professional experience in backend development, showcasing a history of delivering reliable and scalable systems.Advanced expertise in server-side programming and experience in designing database-driven applications.A solid understanding of API development, systems integration, and software engineering best practices.Proven experience in building and maintaining production environments that scale effectively for real users.An independent, proactive approach to problem-solving, coupled with the ability to drive projects forward.A commitment to joining our team full-time, with a desire to grow within a fast-paced, ambitious startup.How to ApplyPlease send us a brief introduction about yourself, along with a description of a technical project or system you are most proud of. We are excited to learn how you can contribute to our vision and success.

About the PositionAs a Senior Backend Engineer at Nash, you will be instrumental in the design and development of our backend systems, services, and APIs. Collaborating closely with our CTO, co-founder, and the engineering and product teams, you will help scale our platform, enhance performance, and build a robust infrastructure that facilitates seamless logistics operations. This role presents an exciting opportunity to contribute to Nash as we create innovative products across the logistics value chain for enterprises, marketplaces, and small to medium-sized businesses (SMBs).Key ResponsibilitiesDesign, develop, and maintain high-performance, scalable backend services and APIs.Architect and implement efficient data structures and models.Optimize system performance, scalability, and security.Debug, troubleshoot, and resolve backend issues in production environments.Work closely with frontend engineers to develop seamless API integrations.Implement best practices for observability, monitoring, and logging to ensure system reliability.Collaborate both independently and as part of a team to tackle complex technical challenges.Promote best practices in documentation, testing, and maintainability.Qualifications4+ years of experience in developing and deploying scalable backend systems.Proficient in Python and related backend frameworks.Experience in designing and utilizing RESTful APIs and databases (e.g., PostgreSQL, AWS RDS).Solid understanding of cloud platforms (preferably AWS) and deployment best practices, including managed services (serverless, databases, queues) and CI/CD pipelines.In-depth knowledge of scalable system design and performance optimization.Exceptional problem-solving skills with the ability to work independently in a dynamic environment.Startup experience is advantageous but not mandatory.Preference for candidates located in the Bay Area; Nash operates a hybrid-first product team with an office in San Francisco.Bonus: Familiarity with AsyncIO and event-driven programming.

Role overview Sleeper is looking for a Senior Backend Software Engineer based in San Francisco. The main focus is on building scalable backend systems that enhance the overall user experience on the platform. This position plays a key role in supporting the technical foundation as Sleeper continues to grow. What you will do Design, develop, and maintain backend solutions that power the Sleeper platform Work closely with teams from different disciplines to deliver new features and improvements Help ensure backend services remain stable and performant as the number of users increases

About AirwallexAirwallex is a pioneering unified payments and financial platform tailored for global enterprises. Our unique fusion of proprietary infrastructure and cutting-edge software empowers over 200,000 businesses globally—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with fully integrated solutions for managing business accounts, payments, spend management, treasury, and embedded finance at an international scale.With our roots in Melbourne, we have assembled a talented team of over 2,000 innovative professionals across 26 offices worldwide. Valued at $8 billion and supported by prestigious investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of developing the future of global payments and finance. If you’re eager to engage in transformative work, we invite you to join our mission.

About FormalAt Formal, we are redefining data security with our innovative platform that empowers teams to effortlessly manage and understand their data.We are developing a cutting-edge protocol-aware reverse-proxy for datastores and APIs, enabling organizations to gain real-time insights into their data management. This ensures that sensitive information is handled with utmost care through robust masking, filtering, and anonymization policies.Our solutions are trusted by industry leaders like Ramp, Gusto, and Notion, addressing critical needs in data security, compliance, quality management, and infrastructure access.Backed by leading venture capital firms such as Thrive Capital and Y Combinator, along with angel investors who are executives and founders from top tech companies like Datadog, Clickhouse, Plaid, and Vanta, Formal is poised for rapid growth.About the RoleWe are on a quest to assemble the most talented engineering team and are seeking individuals eager to make significant contributions towards shaping our product and advancing our mission.The ideal candidate will possess extensive experience in developing scalable backend systems, demonstrate a strong sense of ownership, and thrive in managing projects from concept to production deployment.Our current technology stack includes Golang, Rust, Temporal, various datastore protocols (Postgres, S3, Kafka, MySQL, Snowflake, Redshift, SSH), and AWS.What You'll DoDesign and implement a high-performance data platform capable of processing large data volumes in real-time.Develop new product features from initial research through implementation and ongoing maintenance.Enhance the performance and reliability of both new and existing features.Lead initiatives that you believe will significantly impact Formal's success.Architect scalable services as our organization expands and manages increased traffic.What You NeedProven experience in software development focusing on data-intensive platforms.A commitment to writing simple, high-performance code.Strong expertise in Golang with a solid understanding of its ecosystem.Experience with streaming data processing frameworks such as Apache Kafka and Google Pub/Sub.

About the RoleWe are seeking a highly skilled Senior Backend Software Engineer to join our dynamic team at FurtherAI, located in the heart of San Francisco, CA. Please note that this position requires in-office presence and is not eligible for full-time remote work.CompensationThe annual salary range for this role is between $150,000 and $250,000, commensurate with experience, along with equity options and comprehensive benefits.Who We AreAt FurtherAI, we are pioneering revolutionary AI-driven solutions specifically designed for the insurance sector, a vast market primed for disruption. With over $30 million raised from esteemed investors such as Andreessen Horowitz, Y Combinator, Nexus, South Park Commons, and Converge, our company has experienced remarkable growth, achieving a tenfold increase in revenue this year alone. We proudly serve some of the largest insurance providers globally, including a recent partnership with a top-five insurer. Our team consists of AI experts and seasoned entrepreneurs, ready to reshape the future of insurance.Why You Should Join UsExponential Growth: Experience the thrill of being part of a post-product-market fit company with rapidly increasing revenue.Elite Team: Collaborate with an exceptional founding team that includes former members from Apple AI Research, several ex-Y Combinator founders, and veterans from leading tech companies like Microsoft, Google, and Amazon.Technical Challenges: Engage with advanced AI problems alongside a staff research scientist and a talented team of engineers.Impactful Work: Be a part of transforming the insurance industry, a critical component of global commerce.Ownership Mindset: Take charge of significant aspects of the product and explore future entrepreneurial opportunities.Your ResponsibilitiesArchitect and enhance the core product to ensure optimal performance and reliability.Take ownership of substantial portions of our backend stack, primarily utilizing Python.Work closely with the founders to define and drive the technical roadmap.Demonstrate a strong sense of ownership in a fast-paced work environment.Commit to working in-person at our San Francisco office five days a week.

Join Pinterest as a Senior Backend Software Engineer, where you'll be part of a dynamic team dedicated to building innovative solutions that enhance user experiences. We are looking for a passionate engineer with a strong background in backend development, who thrives in a fast-paced environment and is eager to tackle complex technical challenges.

WeaveGrid develops software that supports utilities as they adapt to the demands of clean energy and electrification. The team’s cloud-native systems help manage electric vehicles, battery storage, and other distributed energy resources, meeting the strict requirements for security, reliability, and compliance in the utility industry. The Senior Backend Software Engineer position is fully remote, with a San Francisco base. This role shapes the company’s SaaS platform for electric utilities, focusing on monitoring and managing distributed energy resources (DERs). Daily work includes designing, implementing, and deploying backend services, often in close collaboration with device manufacturers and utility partners. Senior engineers at WeaveGrid influence technical direction, uphold high standards for code quality, and deliver features that directly support a more resilient energy grid. Projects may involve integrating with external APIs, monitoring battery systems, optimizing charging schedules, and handling utility signal aggregation. Main Responsibilities Develop backend code that is reliable, testable, and easy to maintain. Work with Python services, design relational database schemas, and build microservices. Take responsibility for the long-term health of your code. Collaborate with Product Managers and other stakeholders to design and implement new features that enhance DERMS (Distributed Energy Resource Management System) capabilities. Partner with fellow engineers to improve system reliability, data quality, and scalability. Manage rollouts, set up instrumentation, and monitor reliability in the production cloud environment. Create new features with external partners, while adapting and reusing existing modules where appropriate. Use tools such as Docker, Kubernetes, AWS, GitHub, Jira/Confluence, and CircleCI. Join on-call rotations (about once per quarter) to monitor and resolve production service issues. Mentor colleagues and help foster a culture of knowledge sharing and best practices.

tvScientific, now part of Pinterest, develops a connected TV advertising platform designed for performance marketers. The team brings together expertise in data, automation, and digital media to help brands buy, optimize, and measure TV ads more effectively. The platform integrates media buying, optimization, measurement, and attribution, aiming to offer advertisers a dependable way to grow through CTV. Role overview The Senior Backend Engineer will design, build, and scale systems that manage contracts and billing for direct advertisers, internal teams, and the Finance department. This work centers on backend services that support a range of contract types and billing models, with a focus on accuracy, auditability, and operational reliability. What you will do Architect and develop backend services for contracts and billing Support multiple contract structures and billing models Ensure system correctness and auditability Maintain operational reliability as the platform expands Work on systems that manage complex commercial relationships and external partners Keep contract logic consistent, adaptable, and maintainable Where this role fits This senior backend engineering role connects revenue, finance, and customer operations. Success in this position requires clear domain modeling, strong data integrity, and disciplined engineering practices. Location Based in San Francisco, CA, or remote within the United States.

At Ripple, we are on a mission to revolutionize the financial landscape, enabling the seamless movement of value akin to the flow of information today. Our innovative crypto solutions cater to financial institutions, businesses, governments, and developers, enhancing the global financial system while fostering greater economic fairness and opportunities for individuals worldwide. Join us and experience unparalleled career growth alongside supportive colleagues.If you are eager to witness your impact and unlock amazing career advancement opportunities, we invite you to join us in creating real-world value.THE WORK:As a Senior Software Engineer at Ripple, you will play a crucial role in establishing trust from the very first interaction, as we develop the Internet of Value to facilitate rapid money transfers. Your responsibility will be to construct the foundational platform for our global network, serving as the

About Triumph ArcadeTriumph Arcade enhances the mobile gaming experience by enabling players to wager and win real money, engage in massive multiplayer games, and take part in social tournaments. Our app is recognized as the top-rated in its App Store category, achieving remarkable month-over-month growth in both revenue and active players. As we continue to scale our team, we are excited to introduce innovative products such as Rips, our successful collectibles app. We're just getting started!Supported by leading consumer VCs including Goodwater Capital, General Catalyst, and DraftKings Drive Fund, Triumph Arcade is poised for continued success.

Role overview Dropbox seeks a Senior Backend Software Engineer to focus on payment systems. This position involves designing, building, and maintaining backend services that handle payment transactions at scale. The work shapes how customers pay for Dropbox products and services, with a direct impact on user experience and business operations. What you will do Design and develop backend systems that process payments Maintain and enhance existing payment services to support reliability and scalability Collaborate with engineers, product managers, and cross-functional teams to deliver new features and improvements Contribute to solutions that improve user experience and help drive business growth Location This is a passive posting. Dropbox has not specified location requirements for this role.

About the Role Handshake is hiring a Senior Backend Software Engineer in San Francisco, CA. This role focuses on developing and improving the backend platform that powers the Handshake product. Work centers on building scalable systems that support user needs and enable new features.

About CondorAt Condor, we are transforming the financial infrastructure of clinical development. While substantial investments are made annually to discover and develop new therapies, the processes behind these advancements often remain outdated and disconnected. Our mission is to bridge this gap, creating a cohesive system that integrates clinical operations, vendor activities, and financial data into a real-time intelligence layer. This empowers R&D and finance teams with the insights they need to make informed decisions.Our AI-driven, pharma-native infrastructure is designed to scale industry standards that we have helped shape alongside major partners. We facilitate prediction, control, and execution in some of the most complex R&D environments globally.As we continue to gain the trust of enterprise teams, we are now focused on the critical task of scaling our operations in a high-stakes environment.Condor is a rapidly growing company, backed by leading institutional investors such as Felicis and 645 Ventures, collaborating with top 200 biopharma companies. This is a unique opportunity to contribute to the infrastructure that influences how new therapies reach patients.The RoleWe are seeking a Senior Backend and Data Platform Engineer to play a key role in developing the foundational data infrastructure for Condor’s financial intelligence platform. This position is pivotal in turning complex clinical and financial data into actionable intelligence that enterprise biopharma teams can rely on.In this role, you will be responsible for designing and managing the core data foundations that underpin Condor’s financial engine and AI capabilities. Your work will involve modeling intricate, high-stakes data, constructing reliable data pipelines and services, and ensuring that product features and intelligence workflows function with precision, consistency, and scalability. The systems you develop will directly support critical finance and operational applications.This hands-on, senior engineering position provides you with significant ownership. You will engage with backend services, data pipelines, and APIs, bringing features from concept to production. You will define necessary data schemas, transformations, and architectural patterns that become essential as our platform evolves. Although your primary focus will be on backend and data engineering, you will also be encouraged to work across the stack to ensure seamless integration of data and intelligence.