Series B Developer tools companies in New York

IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to Series B-stage companies headquartered in New York.

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Ranked by current headcount across Series B Developer tools companies in New York. Refreshed daily.

1
Datavant· New York, New York, United States
Datavant is the data collaboration platform trusted for healthcare. With a mission to make the world’s health data secure, accessible, and actionable, Datavant works with payers, providers, life sciences, legal and insurance clients globally to accelerate insights. Datavant enables more than 60 million healthcare records to move between thousands of organizations across the healthcare ecosystem, more than 80,000 hospitals and clinics, 75% of the 100 largest health systems, and 350+ real-world data partners. Datavant has office locations in Boston, New York and San Diego, with international offices in Barcelona and Galway. To learn more about Datavant, visit datavant.com and follow us on LinkedIn.
- Series B
- 7.3k employees
- Founded 2014
2
UnifyApps· New York, New York, United States
UnifyApps is the Horizontal AI Operating System — the Fourth Platform. It does the 80% of Enterprise AI that has nothing to do with the model: unifying knowledge, governance, and actionability across every system into one Enterprise Brain (an enterprise context graph), then letting teams assemble reusable workflows, agents, and apps — human + AI — on top. Open and model-agnostic, additive to the existing stack with 950+ connectors, UnifyApps takes enterprises from pilot to production up to 10x faster, 10x cheaper, and 10x easier to maintain — without rip-and-replace or lock-in to any model, vendor, or roadmap.
- Series B
- 730 employees
- Founded 2023
3
Anyword· New York, New York, United States
Anyword is an AI, content generation platform, built for marketing and sales outcomes! Not just output.The world’s leading marketing teams like Google, LinkedIn and DocuSign achieve a 30% lift with Anyword’s AI tools or by leveraging Anyword with their existing AI stack.AI models and agents learn what works slowly. Anyword gives them a head start by adding millions of A/B tests to every generation context window, empowering marketers, apps, and agents with powerful predictive performance scoring and analytics.Check anyword.com for more info!
- Series B
- 574 employees
- Founded 2021
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4
Ceipal· Rochester, New York, United States
Ceipal provides AI-powered staffing software that helps staffing, recruiting, and talent professionals work more efficiently while keeping people at the center of their work. With its advanced technology, Ceipal simplifies the process of finding, hiring, and managing talent, allowing teams to focus on making meaningful connections.
- Series B
- 519 employees
- Founded 2015
5
Alice (Formerly ActiveFence)· New York, New York, United States
Alice is a trust, safety, and security company built for the AI era. We safeguard the communicative technologies people use to create, collaborate, and interact - whether with each other or with machines.In a world where AI has fundamentally changed the nature of risk, Alice provides end-to-end coverage across the entire AI lifecycle. We support frontier model labs, enterprises, and UGC platforms with a comprehensive suite of solutions: from model hardening evaluations and pre-deployment red-teaming to runtime guardrails and ongoing drift detection.Alice represents the next chapter of our growth and the natural evolution of ActiveFence, our industry-leading solution for UGC safety, as we expand our mission to secure the future of AI.Advance unafraid: alice.io
- Series B
- 432 employees
- Founded 2018

6
Axion· New York, New York, United States
Axion is the AI platform solving customers’ product quality issues. From airplanes to appliances, our AI helps enterprises detect customer issues earlier, fix them faster, and build products the world loves.
- Series B
- 429 employees
- Founded 2021
7
Agora· New York, New York, United States
Agora is the most comprehensive real estate investment management platform on the market.At Agora, we empower GPs, owners/operators, and real estate investment firms to scale their business effortlessly, foster strong investor relations, and ensure efficient and accurate financial operations.We do so by harnessing technology and automation together with in-depth real estate expertise to remove barriers across all facets of investment management, from fundraising and investor relations through reports to distributions and tax operations.Our team is made up of the most skilled professionals in their respective fields, including real estate, technology, and cybersecurity. We are dedicated to improving investment management and delivering the best possible experience to our customers and their investors.Grow with Agora, the best real estate investment experience.
- Series B
- 419 employees
- Founded 2019
8
Vim· New York, New York, United States
Vim is reimagining how healthcare technology works, starting where it matters most: the point of care. We’ve built a frictionless, in-EHR platform that allows payers, providers, and developers to collaborate in real time without the usual barriers, delays, or heavy integrations.Through our embedded marketplace and developer platform, we bring intelligent applications and relevant data directly into clinical workflows. Whether deploying our own solutions or enabling others to build on Vim CanvasTM, we reduce administrative burden, accelerate performance, and improve care delivery, without disrupting providers’ existing tools or routines.Thousands of provider organizations and many of the nation’s largest health plans use Vim to close care gaps, manage risk, and deliver actionable insights where decisions are made. Our growing ecosystem turns fragmented point solutions into coordinated, context-aware experiences, making healthcare smarter, simpler, and more aligned.We’re not here to layer on complexity. We’re building the infrastructure healthcare should have had all along.Mission:To power affordable, high-quality healthcare through seamless connectivity at the point of care.
- Series B
- 417 employees
- Founded 2015
9
GameChanger· New York, New York, United States
GameChanger is a technology company that builds simple and powerful products for youth sports teams and their communities. Our app provides world class access to live game action, the statistics to inform teachings and help fuel growth, and solutions that rally community around a team.In November 2016, GameChanger proudly joined the DICK’S Sporting Goods family.IMPORTANT NOTICE: All official recruitment communications from GameChanger will come from an email address ending in @gc.com. If you receive communication from any other domain, please be cautious, as it is likely fraudulent.
- Series B
- 398 employees
- Founded 2009
10
Fundraise Up· Brooklyn, New York, United States
Fundraise Up is a technology company unlocking the world’s generosity potential by optimizing the way people give. Our donation platform helps nonprofits engage more supporters and grow revenue by providing easy ways to increase conversion, enable modern payment methods, and personalize the giving experience for every donor. Fundraise Up is the partner of choice for UNICEF USA, The Salvation Army UK, American Heart Association, and other impactful organizations across the globe. For more information, visit fundraiseup.com.
- Series B
- 375 employees
- Founded 2017

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Find engineers at Series B Developer tools companies in New York

Searching for “engineers at top Series B Developer tools companies in New York” surfaces this slice of the market. The list above ranks Developer tools companies headquartered in New York whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. With 143 matching companies in Refolk’s index, this is a tight read on where the Developer tools talent in New York is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series B, Developer tools, in New York - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Developer tools’s next operators and angel investors.

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Refolk pulled Developer tools companies headquartered in New York whose latest disclosed funding round is Series B from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

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