Citi Ventures
Citi Ventures is the corporate venture capital arm of Citigroup that leverages the bank’s resources to identify, incubate, and invest in innovative ideas at the intersection of finance and technology. Headquartered in San Francisco with offices in New York, London, Palo Alto, Tel Aviv, and Singapore, Citi Ventures collaborates with Citi colleagues, clients, and the broader innovation community to discover new value and accelerate the development of transformative technologies. The firm focuses on fintech, data analytics and machine learning, the future of commerce, security and enterprise IT, marketing, property technology, distributed ledger technology, and digital assets, pursuing strategic investments that complement Citi’s business lines and risk management capabilities. Since its founding, Citi Ventures has sought to build partnerships and portfolios that support entrepreneurship and technological progress, helping individuals, businesses, and communities adapt to rapid digital change while expanding Citi’s ecosystem and capabilities.
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Past deals in Developer Tools
Lightrun
Series B in 2025
Lightrun is a company that specializes in developing an observability platform aimed at enhancing the debugging process for developers. Founded in 2019 and headquartered in Tel Aviv-Yafo, Israel, Lightrun's platform enables developers to securely and effortlessly add logs, performance metrics, and traces to both production and staging environments in real time. This capability allows research and development teams to improve productivity and gain comprehensive code-level observability. The platform can be deployed across various infrastructures, allowing developers to define data collection parameters while applications are actively running. This continuous debugging functionality helps developers address production issues without the need to stop applications, thereby streamlining the debugging process in any environment.
Endor Labs
Series B in 2025
Endor Labs specializes in enhancing application security with a focus on managing open-source software dependencies. The company aids developers in integrating safe Open Source Software (OSS) to expedite development processes while minimizing time spent on security issues. Its Dependency Lifecycle Management Platform targets the vulnerabilities in software supply chain security caused by ungoverned use of open-source software within enterprises.
Writer
Series C in 2024
Writer is a full-stack generative AI platform that enables organizations to build, deploy, and manage AI-powered writing and content across departments such as operations, products, sales, human resources, and marketing. The platform combines an integrated suite of large language models, graph-based retrieval-augmented generation, AI guardrails, and development tools to create customizable applications for content generation, digital assistants, and data analysis, while ensuring secure and compliant operations and rapid deployment to improve productivity and drive innovation and return on investment.
Finix
Series C in 2024
Finix develops a B2B payment processing platform that enables businesses to own, manage, and monetize their payments. The platform uses modular architecture and real-time tracking to consolidate payment data and facilitate global money transfers.
Endor Labs
Venture Round in 2024
Endor Labs specializes in enhancing application security with a focus on managing open-source software dependencies. The company aids developers in integrating safe Open Source Software (OSS) to expedite development processes while minimizing time spent on security issues. Its Dependency Lifecycle Management Platform targets the vulnerabilities in software supply chain security caused by ungoverned use of open-source software within enterprises.
InfluxData
Series E in 2023
InfluxData Inc. specializes in open-source solutions for managing time-series data at scale. The company is best known for InfluxDB, a time-series database that is engineered to handle vast amounts of time-stamped data generated by IoT devices, applications, networks, and other sources. InfluxData's product suite includes InfluxEnterprise, a cluster management solution; InfluxCloud, a fully-managed InfluxDB service; Telegraf, a data collection tool; Chronograf, for data visualization; and Kapacitor, which focuses on data processing, monitoring, and alerting. InfluxData aims to support developers and organizations in efficiently storing and analyzing real-time data, thereby enabling the rapid development of monitoring, analytics, and IoT applications. Founded in 2012 and based in San Francisco, California, with an additional office in London, the company was previously known as Errplane Inc. and rebranded in December 2015.
Finsemble
Venture Round in 2023
Finsemble is a technology company specializing in interoperability solutions for the finance industry. Its no-code and low-code smart desktop platform enables seamless connectivity between various types of applications, including native, web, in-house, and third-party software. By facilitating information sharing and synchronization, Finsemble allows clients to create customized, automation-assisted workflows that enhance operational efficiency. The platform significantly improves trading processes, achieving notable outcomes such as ten-minute time savings per trade and a 33% reduction in request-for-quote response times. Finsemble's offerings have garnered the trust of major financial institutions, including Citi, Pictet Asset Management, and Charles River Development, due to its commitment to high-quality US-based support and collaborative partnerships.
Blockdaemon
Venture Round in 2022
Blockdaemon facilitates blockchain deployment by offering a node management platform that supports over 30 protocols. It empowers businesses and developers to quickly launch and manage blockchain applications, with tools for exchanges, custodians, and financial institutions.
Fidel API
Series B in 2022
Fidel API is a financial infrastructure platform that allows developers to create programmable experiences during transaction events on payment cards. Established in 2018 and headquartered in London, with additional offices in Lisbon and New York, Fidel API provides tools that enhance interactions between merchants and consumers by facilitating real-time, event-driven engagements. The platform is designed to integrate seamlessly with major payment networks, such as Visa and Mastercard, to deliver detailed transaction data, including amount, location, date, and merchant. This capability supports improved marketing strategies and customer engagement through tailored loyalty and rewards programs, as well as streamlined processes for reimbursements and expense management. The company serves a diverse clientele, ranging from startups to large enterprises, and has established partnerships with prominent firms across various sectors.
Docker
Series C in 2022
Docker develops an open container platform for building, shipping, and running distributed applications. The platform enables developers and operations teams to package applications into portable containers that run consistently across laptops, on-premises data centers, and public cloud environments. It provides container runtime and packaging tools, development language support and tooling for building, scaling, deploying, and load balancing, and a cloud service for sharing applications and automating workflows. Founded in 2008 and based in San Francisco, the company aims to simplify application development and accelerate delivery from code to the cloud.
StackShare
Seed Round in 2021
StackShare, Inc. is a cloud-based discovery platform established in 2013 and based in San Jose, California. The company facilitates the exploration and comparison of software development tools and cloud infrastructure services, addressing the challenges developers face in selecting appropriate technologies. StackShare allows users, including developers, engineers, CTOs, and VPEs, to share their experiences with various tools, fostering a community where technology selections are informed by recommendations, reviews, and discussions. The platform covers a broad range of solutions, including application hosting, mobile services, analytics, DevOps, and business tools, thus supporting both startups and large enterprises in their technology choices. Formerly known as Leanstack, Inc., the company rebranded to StackShare, Inc. in March 2015.
Styra
Series B in 2021
Styra, Inc. is a technology company based in Redwood City, California, founded in 2015. It specializes in developing a cloud-native authorization platform that enables organizations to enforce and monitor authorization policies across their applications and infrastructure. The core offering, the Styra Declarative Authorization Service, provides context-based admission control to enhance security, streamline compliance, and minimize human errors in cloud-native environments. Styra's platform incorporates features such as policy design, validation, distribution, monitoring, and auditing, allowing users to implement authorization policy-as-code effectively. By utilizing declarative models, the platform helps prevent security drift and errors before deployment. Styra's solutions are compatible with various technologies, including microservices, containers, and multi-cloud environments, ensuring comprehensive security management for modern application development.
Harness
Series C in 2021
Harness is a software company that provides a continuous delivery-as-a-service platform designed to automate and streamline the end‑to‑end software development lifecycle. Leveraging artificial intelligence and machine learning, the platform offers AI‑driven pipeline automation, real‑time delivery analytics, automated verification, intelligent testing, security orchestration, and cloud cost management. It supports modern cloud environments, containers, and orchestration tools such as Kubernetes and Amazon ECS, enabling engineering and DevOps teams to accelerate deployment cycles, reduce manual effort, and improve software reliability. Founded in 2015 and headquartered in San Francisco, the company focuses on simplifying the process of moving code from artifact to production.
Fidel API
Series A in 2019
Fidel API is a financial infrastructure platform that allows developers to create programmable experiences during transaction events on payment cards. Established in 2018 and headquartered in London, with additional offices in Lisbon and New York, Fidel API provides tools that enhance interactions between merchants and consumers by facilitating real-time, event-driven engagements. The platform is designed to integrate seamlessly with major payment networks, such as Visa and Mastercard, to deliver detailed transaction data, including amount, location, date, and merchant. This capability supports improved marketing strategies and customer engagement through tailored loyalty and rewards programs, as well as streamlined processes for reimbursements and expense management. The company serves a diverse clientele, ranging from startups to large enterprises, and has established partnerships with prominent firms across various sectors.
Crux Informatics
Series B in 2018
Crux Informatics operates a cloud platform that connects data users with data suppliers to enable external data automation. The platform concentrates on integration, transformation, and observability of third-party data, automating the development of data pipelines, ongoing data quality validation, and management of data workflows between suppliers, consumers, and cloud environments at scale. Founded in 2017 and based in San Francisco, Crux Informatics serves as a bridge for efficient external data delivery.
QC Ware
Series A in 2018
QC Ware, Corp. is a company that develops enterprise software solutions tailored for quantum computing. Founded in 2014 and headquartered in Palo Alto, California, with an additional office in Paris, France, QC Ware focuses on creating hardware-agnostic applications that address complex problems in areas like combinatorial optimization and machine learning. Their offerings include a graphical web application that serves various sectors, including finance, deep learning, and cybersecurity, as well as software development kits (SDKs) and data connectors. By providing tools that enable clients to integrate quantum computing capabilities into existing applications, QC Ware aims to enhance efficiency and performance while addressing challenges traditionally faced by high-performance computing solutions.
Crux Informatics
Corporate Round in 2018
Crux Informatics operates a cloud platform that connects data users with data suppliers to enable external data automation. The platform concentrates on integration, transformation, and observability of third-party data, automating the development of data pipelines, ongoing data quality validation, and management of data workflows between suppliers, consumers, and cloud environments at scale. Founded in 2017 and based in San Francisco, Crux Informatics serves as a bridge for efficient external data delivery.
Crux Informatics
Series A in 2017
Crux Informatics operates a cloud platform that connects data users with data suppliers to enable external data automation. The platform concentrates on integration, transformation, and observability of third-party data, automating the development of data pipelines, ongoing data quality validation, and management of data workflows between suppliers, consumers, and cloud environments at scale. Founded in 2017 and based in San Francisco, Crux Informatics serves as a bridge for efficient external data delivery.
TradeIT
Seed Round in 2017
TradeIT is a New York-based startup focused on enhancing the trading experience for investors through its innovative online trading integration platform. The company aims to empower consumers to become more engaged investors by allowing them to place orders seamlessly with their existing online brokerage accounts from any website or mobile device. TradeIT's technology, developed by a team of financial technology experts, is designed to be easily integrated into various applications, websites, and advertising units, providing a multi-broker experience in the trading ecosystem. The platform prioritizes security and compliance, ensuring that online traders can execute transactions safely and efficiently. With its patent-pending technology, TradeIT is positioned to transform how users interact with their trading activities.
TradeIT
Seed Round in 2015
TradeIT is a New York-based startup focused on enhancing the trading experience for investors through its innovative online trading integration platform. The company aims to empower consumers to become more engaged investors by allowing them to place orders seamlessly with their existing online brokerage accounts from any website or mobile device. TradeIT's technology, developed by a team of financial technology experts, is designed to be easily integrated into various applications, websites, and advertising units, providing a multi-broker experience in the trading ecosystem. The platform prioritizes security and compliance, ensuring that online traders can execute transactions safely and efficiently. With its patent-pending technology, TradeIT is positioned to transform how users interact with their trading activities.
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