Senior Software Engineer React jobs in Brooklyn

Right to hire position with a major financial firm. Hybrid 3 days/week in Newark, NJ Senior Software Engineer About the Opportunity Are you interested in building capabilities that enable the organization with innovation, speed, agility, scalability and efficiency? The Global Technology team takes g

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people

This is a (Backend / Platform) role Company Description Cruzader Advanced Recruiting Solutions is a hybrid recruitment partner specializing in both professional and executive-level hires. Using a tailored and proven methodology, we connect organizations with innovative and strategic professionals wh

About Sesame Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate with us in ways that feel natural and human. With this vision, we're designing a new kind of computer, focused on making voice agents part of our daily lives. Our team brings togeth

Gilder Gagnon Howe & Co. LLC

Job Summary: GGHC is seeking a backend-focused Software Engineer to join the IT Innovation team. This role is ideal for an engineer who thrives in an environment with high ownership and direct business impact—designing, building, and operating internal platforms and integrations that support portfol

#WeAreParamount on a mission to unleash the power of content… you in? We’ve got the brands, we’ve got the stars, we’ve got thepowerto achieve our mission to entertain the planet – now all we’re missing is… YOU! Becoming a part of Paramount means joining a team of passionate people who not only recog

Forward Deployed Engineer | AI Healthcare Startup | Series B | $12.5 million | $50M ARR About the Company This fast-growing AI healthcare startup is building something ambitious: An AI “employee” that runs the back office for home care agencies . From scheduling and payroll to compliance and coordin

Who you are Industry experience building high-quality software products An ability to identify problems, build alignment, and implement solutions autonomously Comfortable working with and designing abstractions and frameworks which increase developer velocity We recognize that women and underreprese

Who you are We are seeking passionate engineers with at least 8 years of experience delivering innovative software solutions that are scalable, secure, and easy to maintain The ideal candidate thrives in team settings, enjoys collaboration and mentoring engineers, and focuses on delivering value and

ITHAKA's mission is to expand access to knowledge and education around the world. Our services — JSTOR, Portico, and Ithaka S+R — enable people everywhere to learn, to grow, and to overcome barriers to education. In carrying out our mission, as employees we feel a deep responsibility to members of o

Our Mission As the world’s number 1 job site*, our mission is to help people get jobs. We strive to cultivate an inclusive and accessible workplace where all people feel comfortable being themselves. We're looking to grow our teams with more people who share our enthusiasm for innovation and creatin

Who you are Demonstrated experience shipping full-stack production software with real users Daily use of AI coding tools (Claude Code, Codex, Cursor, or similar) as your primary workflow, not supplementary Strong product instincts and the ability to look at a feature from the customer's perspective

Company Description Built by alumni of Palantir, Robinhood, Appian, and Y Combinator-backed companies, Clover Talent supports startups and scaling teams with seamless, AI-assisted, data-driven recruiting. Designed to move quickly, we combine hands-on hiring support with strategic talent advisory—hel

Proxima is a Conversion Intelligence platform built on real-world shopper behavior. Powered by a proprietary Commerce Graph of 73M+ buyers, $33B+ in cross-brand transactional signals, and 2,000+ ecommerce brands, Proxima helps teams understand what actually drives conversion across the broader marke

Goliath has been retained by a fund that launched in 2024 and generated $1B in profit last year. The firm has been built by Quantitative Traders that are very well known in industry. They have successfully launched their strategy & they are targeting a Python Software Engineer to help them with

We are seeking a Software Engineer to contribute to the development and delivery of engineering projects while collaborating with cross-functional teams. In this role, you will design and implement technical solutions, ensure high-quality deliverables through testing and validation, and help drive t

About the Role We are seeking an experienced Software Engineer to join our engineering team responsible for building and maintaining both consumer-facing and internal back-office applications. In this role, you will develop scalable, high-performance systems that support Kashable’s consumer lending

Our client, a leading organization in the contact center solutions industry, is seeking a dedicated Software Engineer to join their dynamic team. As a Software Engineer, you will be part of the Technology Department supporting innovative IVR development initiatives. The ideal candidate will demonstr

Proxima is a Conversion Intelligence platform built on real-world shopper behavior. Powered by a proprietary Commerce Graph of 73M+ buyers, $33B+ in cross-brand transactional signals, and 2,000+ ecommerce brands, Proxima helps teams understand what actually drives conversion across the broader marke

Job Description Job Description Software Engineer (Platform) Strong preference for candidates based in New York City Replica provides data about the built environment and ways people interact with it. With better data, human-context and an intuitive design, Replica helps public and private sectors m