Backend Software Engineer for Trading and Data Platforms

About UsAt Arta Finance, we are driven by a bold and fulfilling mission: to empower individuals globally to achieve greater financial success. We specialize in making sophisticated AI-driven tools, typically reserved for ultra-high-net-worth individuals, accessible to a wider audience. Our platform acts as a personal digital family office, integrating intell…

Vannevar Labs is a pioneering defense technology firm dedicated to developing advanced AI systems designed to deter adversaries. In the fast-paced realm of 21st-century conflict, where algorithms dictate the tempo of warfare, our purpose-built AI tools are engineered to counteract strategic threats, particularly from China. Utilizing mission-critical datasets, our technology not only models adversarial behavior but also simulates military campaigns and advises decision-makers on optimal strategies. Our AI solutions are trusted by frontline operators in the Indo-Pacific region, significantly contributing to peacekeeping efforts and saving lives.At Vannevar, we believe that extraordinary technology springs from exceptional talent. Our compact, dynamic team blends elite engineers with seasoned strategists who bring extensive knowledge in defense operations and strategy. We are committed to creating a company characterized by impactful missions, user-centric design, and measured growth. In just three years, we have scaled from $3 million to $80 million in ARR, attained early profitability, and achieved unicorn status, demonstrating that innovation can thrive without arrogance, and sustainability does not equate to stagnation.About the RoleThe Data Platform team plays a crucial role in overseeing the pipelines, search functionalities, and identity systems that underpin Vannevar's flagship platform and dynamic workflows. The infrastructures we design and maintain establish and uphold the standards for data processing, storage, accessibility, and retrieval across our expanding portfolio of over 10 products.As part of our team, you will help construct and manage this essential infrastructure. This position offers the chance to emerge as a technical leader, influencing standards for enterprise-level performance, scalability, reliability, quality, and security throughout the organization.Your collaboration with product engineering teams will be vital in standardizing and centralizing shared infrastructures, minimizing redundancy while enhancing developer efficiency. Additionally, you will work alongside our Information Security team to guarantee that our systems comply with the stringent security and regulatory requirements of DoD environments. This role also presents the opportunity to shape the long-term vision of our platform, guiding architectural decisions and investments that empower the company to grow safely and sustainably.Your ResponsibilitiesLead the design, implementation, and continuous improvement of essential data platform infrastructure and shared services.Oversee critical projects aimed at building and scaling foundational platform capabilities.Collaborate closely with engineers across the organization to create and standardize data platform solutions addressing cross-product challenges.

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.

KinaTrax, a division of Hawkeye Innovations, is looking for a Backend Software Engineer to focus on Data and Platform initiatives. This role centers on building and maintaining backend services that power data-driven applications. Key responsibilities Design, develop, and maintain backend systems to manage and process large datasets Work with engineers and cross-functional teams to deliver new features and ongoing improvements Use modern technologies to support scalable, high-performance applications Remote work This position is fully remote.

About RoxAt Rox, we are dedicated to empowering individuals to excel in their work.Our innovative platform enhances seller performance with autonomous revenue agents that handle manual tasks, allowing sales professionals to concentrate on their primary role: selling. Just as coding agents exponentially increased engineering productivity, our revenue agents elevate customer engagement.We are revolutionizing the revenue landscape by developing the world’s first revenue operating system, integrating everything from the application layer to the system of context. At Rox, we envision a future where humans become orchestrators, while our agents efficiently manage the complete customer lifecycle.Rox serves Global 2000 leaders across sectors such as banking, hardware, construction, and sovereign AI, while also supporting prominent AI innovators like Ramp and Cognition.This success is built on a steadfast belief in our mission and an unwavering commitment to achieving it.Join Our TeamOur world-class team is the cornerstone of our success, tasked with redefining business operations.Team members have:Founded and exited successful startupsHeld top positions at Google, AWS, Confluent, and New RelicAchieved gold medals in IMO and IOIPublished groundbreaking research papersWe are proud to be backed by top-tier investors, having raised $50M from Sequoia (Alfred Lin), General Catalyst (Hemant Taneja), Google Ventures, Elad Gil, and Chris Ré.Core PrinciplesTaste: Craft exceptional experiences.Every detail matters; we ensure that each interaction is optimized for the seller’s success and satisfaction. We strive for perfection and continuously seek ways to delight our users.Obsession: Commit without reservation.We are dedicated to our craft, proactively addressing customer needs and constantly improving our skills and products.Action: Deliver results.Execution is key; we prioritize thoughtful, rapid decision-making and immediate delivery, fostering a culture of trust.

Join Databricks as a Staff Backend Software Engineer on our cutting-edge AI Platform team. We are on a mission to simplify data and AI for enterprises worldwide. In this role, you will be pivotal in developing robust backend systems that support our AI initiatives, driving innovation and efficiency.As a member of our dynamic team, you will work with the latest technologies and methodologies to create scalable solutions that meet the needs of our clients. Your expertise will help shape the future of our AI Platform, delivering exceptional user experiences and insights.

Join our innovative team at Databricks as a Staff Backend Software Engineer focusing on our cutting-edge AI Platform. In this pivotal role, you will be responsible for designing, developing, and optimizing backend systems that empower data scientists and engineers to build AI applications efficiently.As a key contributor, you will work closely with cross-functional teams to deliver scalable solutions that enhance our platform's capabilities. Your expertise will drive the development of robust features that support machine learning workflows and big data processing.

Join Databricks as a Staff Backend Software Engineer for our cutting-edge AI Platform. In this pivotal role, you will design and implement robust backend systems that power innovative AI solutions. Collaborate with a talented team to drive impactful projects and shape the future of data and AI.

Join Databricks as a Staff Backend Software Engineer on our AI Platform team, where you will play a pivotal role in shaping the future of data analytics and machine learning. You will work collaboratively with talented engineers to design, develop, and enhance robust backend systems that drive our cutting-edge AI solutions. Your innovative mindset and technical expertise will help us deliver unparalleled value to our customers.

At Affirm, we are transforming the credit landscape by making it more transparent and user-friendly. Our mission is to empower consumers with the ability to buy now and pay later, free from hidden fees and compounding interest.The Growth Platform team is instrumental in developing shared backend systems that drive incentives, experimentation, personalization, and data-informed decision-making across Affirm's interactions with both consumers and merchants. This directly impacts our efforts in customer acquisition, engagement, and retention.

Join Discord, a platform that connects over 200 million users monthly, primarily through gaming. With over 90% of our users engaging in gaming activities, they spend a staggering 1.5 billion hours playing unique titles every month. Discord is pivotal in shaping the future of gaming, enabling seamless interactions before, during, and after gameplay.Every day, countless gamers gather on Discord to strategize, celebrate victories, and foster communities around their favorite games. Behind our voice channels and streaming sessions lies vast amounts of data, capturing the essence of gaming connections.We are in search of an enthusiastic Software Engineer eager to construct data infrastructure at an enormous scale, with a genuine passion for supporting gaming communities. You will play a crucial role in developing the next-generation Data Platform that drives insightful decisions on one of the most vibrant platforms globally.If you are a Software Engineer who thrives on discussing distributed systems, prioritizes user privacy, and seeks to make data-driven decisions that impact millions of gamers worldwide, we would love to hear from you.For more insights into Discord's Data Platform, check out our engineering blog, including how we built our modern data stack leveraging open-source tools!

Luxury Presence is redefining the landscape of real estate technology with our innovative AI growth platform. Supported by renowned investors like Bessemer Venture Partners, we are a Series C company on the fast track to achieving $100 million in annual recurring revenue within the next six months. Over 87,000 real estate professionals, including more than 30% of the WSJ Real Trends top 100 agents in the U.S., rely on our platform to enhance and expand their businesses.About the RoleWe are on the lookout for a Senior Staff Software Engineer to empower our real estate MLS data platform team. In this pivotal role, you will design and implement robust data pipelines and backend services that support:• High-quality MLS and property data sourced from over 400 feeds• Property discovery and search functionalities on agent websites• Personalized listing recommendations and various data-driven features• Conversational and operational AI agents that enhance internal workflows• The evaluation and monitoring framework that ensures continuous improvement of these systemsThis position uniquely blends backend engineering, data infrastructure, and AI-driven products.Meet the Data Platform SquadOur team is dedicated to ensuring that clean, reliable MLS listing records and user click-stream data are consistently accessible for our products and clients. Comprising a blend of data engineers and software engineers, we oversee the entire listing pipeline, including ingestion, transformation, and normalization from 400+ MLS feeds and other data sources.Additionally, we enhance the platform to capture user activity data for features like personalized listing recommendations and develop AI agents that automate feed onboarding and listing issue resolution, minimizing manual efforts for both internal teams and clients.

About Us:Epic is the premier digital reading platform designed for children aged 12 and under, engaging millions of kids, families, and educators globally. Our extensive library features high-quality books and learning materials from over 250 of the world's leading publishers, enabling children to pursue their interests, enhance literacy skills, and cultivate a lifelong passion for reading.With personalized recommendations and integrated progress tracking, Epic fosters confidence and curiosity among children while providing parents and educators with valuable insights into each child's educational journey. As we continue to expand, we are transforming the reading experience through innovative technology, data-driven insights, and international collaboration to make learning more engaging and impactful.Position SummaryThe Backend & Data Software Engineer will be integral in developing and sustaining the backend systems and data infrastructure that underlie Epic’s products, analytics, and business operations. This role is positioned at the crossroads of backend engineering and data engineering, facilitating support for core business systems, enterprise data warehouse design, and data pipelines. The ideal candidate will possess a passion for scalable systems, data integrity, and empowering data-led decision-making across the organization. This is a fully remote role based in the US, collaborating closely with a diverse, bilingual (English–Chinese) engineering team.

Owner develops an AI-powered platform designed to help local business owners, starting with restaurants, manage daily operations. The platform combines website management, online ordering, CRM, POS, and other essential tools in one solution. Unlike most small business software, Owner’s system works proactively to boost demand and increase conversions, allowing operators to focus on running their businesses. As new features roll out, the platform aims to provide the benefits of a dedicated team across operations, engineering, and marketing. While the initial focus is on independent restaurants, Owner plans to expand its support to other local businesses facing challenges from larger tech competitors. The broader vision is to help millions of business owners succeed in a digital world with Owner’s technology. Company Milestones Launched in 2020 Generated tens of millions in revenue Processed over $500 million in online orders Helped more than 20,000 restaurant owners save nearly $200 million in fees One in five Americans has interacted with an Owner.com website Team Experience Owner’s team brings experience from companies such as Shopify, HubSpot, DoorDash, ServiceTitan, Rappi, Faire, and Stripe. The team continues to grow as the company expands its customer base.

Join our dynamic team at haus as a Senior Software Engineer specializing in Data Platforms. In this pivotal role, you will be at the forefront of developing and optimizing our data infrastructure, enabling us to harness the power of data-driven insights. As part of a forward-thinking company, you will collaborate with cross-functional teams to design, implement, and maintain robust data solutions that support our strategic goals.

Join versant3 as a Principal Software Engineer for Data Platforms, where you will lead innovative projects that shape the future of data technology. In this pivotal role, you will architect, design, and implement robust data solutions while collaborating with cross-functional teams to drive technical excellence.

Lithic creates card issuing and processing technology for modern financial companies. The platform serves over 100 clients, including Mercury, Flex, and Novo, who rely on Lithic’s APIs and direct network integrations to launch and manage card programs efficiently. The company’s remote team spans 26 states and 7 countries, with headquarters in New York City and support from investors like Bessemer Venture Partners, Index Ventures, Spark Capital, Stripes, and Mastercard. Role overview The Senior Software Engineer - Data Platform joins the Infrastructure team to build and maintain backend services and APIs that enable secure, reliable data access across Lithic. This role is central to ensuring data flows smoothly and safely to teams and systems throughout the company. What you will do Design and develop backend services, with a focus on REST APIs that deliver data from Snowflake and other sources to internal teams and systems (approximately 80% of the role) Support Lithic’s data platform, working with data pipelines, dbt, and Airflow (about 20% of the role) Collaborate with Analytics Engineering to make well-modeled data available through reliable APIs Location This position is fully remote. Lithic’s distributed team works from various locations, though the headquarters is in New York City.

Role overview Natera is looking for a Software Engineer to join the Data Platform team. This fully remote position is open to candidates based in the United States. The focus is on building and refining data systems that contribute to the company’s healthcare goals. What you will do Collaborate with teams throughout Natera to design and implement new data solutions Develop and support scalable systems capable of handling large data volumes Use software engineering expertise to strengthen the data platform and help improve patient outcomes Location This role is remote within the US.

Join PsiQuantum, a pioneering force dedicated to creating the first practical quantum computers that will revolutionize various industries. Since our inception in 2016, we have been unwavering in our mission to construct and implement million-qubit, fault-tolerant quantum systems.Our innovative quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the capabilities of the most sophisticated supercomputers and AI technologies. The transformative potential of these machines will benefit fields such as energy, pharmaceuticals, finance, agriculture, transportation, and materials science.Utilizing silicon photonics as the foundation of our architecture, we capitalize on advanced semiconductor manufacturing techniques—partnering with leaders like GlobalFoundries. This approach allows us to employ high-volume processes that already produce billions of chips for telecommunications and consumer electronics. The benefits of photonics are clear: they are immune to heat, unaffected by electromagnetic interference, and seamlessly integrate with current cryogenic cooling systems and standard fiber-optic infrastructures.In 2024, we announced significant government-funded projects aimed at establishing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives illustrate the growing acknowledgment of quantum computing's strategic and economic significance, emphasizing the urgency to scale our efforts.At PsiQuantum, we are also focused on developing the algorithms and software necessary for these systems to achieve commercial viability. Our application and software teams collaborate with prestigious Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to optimize quantum solutions for real-world applications.Quantum computing signifies not merely an extension of classical computing but a radical transformation, offering pathways to tackle challenges that cannot be addressed through any other means. The opportunities are vast, and we are committed to making this vision a tangible reality.We invite you to be a part of this groundbreaking journey.

Role Overview adonis is hiring a Senior Software Engineer focused on the Data Platform in New York City. This role centers on building and refining data solutions that help the company serve clients better. The position calls for hands-on leadership in developing and optimizing data systems. What You Will Do Lead the design and improvement of data architectures for the platform Collaborate with teams across the company to deliver reliable data solutions Implement analytics tools and processes that support business insights and decision-making Collaboration This role works closely with colleagues from engineering, analytics, and other departments to create and maintain data systems that meet business needs.