Open Source jobs in Brooklyn, NY

Remote

•

Today

About Arize AI is rapidly transforming the world. As generative AI reshapes industries, teams need powerful ways to monitor, troubleshoot, and optimize their AI systems. That's where we come in. Arize AI is the leading AI & Agent Engineering observability and evaluation platform, empowering AI engineers to ship high-performing, reliable agents and applications. From first prototype to production scale, Arize AX unifies build, test, and run in a single workspace-so teams can ship faster with con

Full-time

USD 185,000.00 - 200,000.00 per year

Senior Software Engineer, Open Source Server

Remote

•

Today

About Us Temporal is an open source programming model that can simplify code, make applications more reliable, and help developers focus on the important things like delivering features faster. We are on a mission to be the reliable foundation of every developer's toolbox, and are building the team that will make that happen. Our values guide us -they are present in how we show up, make decisions, and work together to make an impact. We're curious, driven, collaborative, genuine and humble. T

Full-time

USD 176,000.00 - 231,000.00 per year

Compiler Engineer

New York, New York

•

20d ago

About the Position We are looking for an experienced software engineer to work on code generation in the OxCaml compiler, which is open source. OxCaml is Jane Street's variant of the OCaml language, equipped with powerful features for high-performance and parallel programming, with data race freedom guarantees. This role involves the full cycle of identifying new optimizations, coding, testing, benchmarking, and deployment. There will be the opportunity to work across a wide variety of intermedi

Full-time

Software Engineer

New York, New York

•

Today

About the Position We're looking for Software Engineers who want to help us design and build the systems and tools that run the firm. You'll find Software Engineers in all parts of Jane Street, solving real problems in critical areas ranging from trading desks to our accounting team, as well as building foundational infrastructure, whether that means implementing network monitoring or risk models. We are big believers in functional programming and, using OCaml, a statically -typed functional pr

Full-time

Compiler Engineer

New York, New York

•

Today

Full-time

MYSQL DBA || Englewood Cliffs, NJ (Onsite Need local only

Englewood Cliffs, New Jersey

•

2d ago

Role: MYSQL DBA Location: Englewood Cliffs, NJ (Onsite Need local only because required F2F client interview) Duration: 6+ months contract Job Summary: We have highlighted multiple times over email and through the Spotlight channel the difference between MS SQL Server and MySQL/PostgreSQL profiles. However, we continue to receive profiles that do not align with the requirement, resulting in significant effort being spent on screening and validating candidates. For clarity: The requirement i

Easy Apply

Full-time, Contract, Third Party

Software Engineer

New York, New York

•

20d ago

About the Position We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business. We are big believers in functional programming and use OCaml, a statically typed functional programming language, as our primary tool. More recently, Python has become a vital part of Jane Street's research and trading work, acting as the go-to language for data analysis, visualization, and ma

Full-time

Cybersecurity Analyst

New York, New York

•

Today

About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you'll be paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done. We're looking for passionate and inquisitive students interested in security and technology to join us in our New York office for a Cybersecurity Analyst internship. Our Cybersecur

Full-time

Cybersecurity Analyst

New York, New York

•

20d ago

Full-time

Backend Engineer Scala

New York, New York

•

Today

Building cloud native services using Scala using open-source frameworks Akka, ZIO etc.Unit and integration test development using Scala Test and ZIO TestActive participation in stand-up meetingsActive participation in Peer Code Reviews as part of our standard SDLC and Change Management Process Requirements Degree in Software Engineering5+ years of web-based application developmentExperience in Scala, Node.js or Java a plusDemonstrated understanding of relational or NoSQL database concepts and mo

Full-time

GenAI Developer / Python

New York, New York

•

18d ago

Role: GenAI Developer / Python Location: New York (Onsite) Role Summary:We are seeking a Generative AI Engineer to build, optimize, and scale production-ready AI applications. You will design complex multi-agent systems, implement advanced RAG pipelines, and manage the deployment of both frontier and local LLMs. The ideal candidate blends deep machine learning expertise with modern software engineering practices. Technical Stack:LLMs: Gemini, OpenAI, Claude, Llama, and Local Model deployment.

Easy Apply

Full-time

Depends on Experience

Data Engineer

New York, New York

•

Today

About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time. Over the course of your internship, you will explore ways to approach and solve exciting problems within your field of interest through fun and challenging classes, interactive sessions, and group discussions - and then you will have the chance to put those lessons to practical use. As a Data Engineering intern, you'll learn how we turn messy, real-world data into reliable foundations fo

Full-time

Data Engineer

New York, New York

•

10d ago

Full-time

Research Engineer, AI

New York, New York

•

Today

Biohub is the first large-scale initiative bringing frontier AI models, massive compute, and frontier experimental capabilities under one roof. We're building a general-purpose system to accelerate scientific discovery, integrating frontier AI models, biological foundation models, and lab capabilities, with the ultimate goal of curing disease. Our technology powers scientists around the world, translating AI capabilities into tools that accelerate research everywhere. Biohub operates one of the

Full-time

USD 214,000.00 - 375,000.00 per year

C/Linux Developer

Brooklyn, New York

•

12d ago

C/LinuxDeveloperContract Type/Duration: Contract, 6 months Location: Brooklyn, NY Hybrid, 3 days onsite. Local candidates required. Work Hours: 40 hours per week Start Date: ASAP Pay Rate: Not provided Job SummaryWe are seeking a C/LINUXDeveloper with strong low-level systems programming experience to support the modernization of enterprise authentication infrastructure. The environment is moving away from legacy Kerberos-based components, making deep C and Linux/UNIX engineering skills more im

Easy Apply

Contract

60 - 75

Linux Engineer

New York, New York

•

Today

About the Position Linux Engineers work with the critical infrastructure underlying the rest of the firm's technology. Members of this group are hard-working Systems Engineers, Administrators and Programmers, tasked with maintaining and improving the platform that powers Jane Street's production trading systems. Our mix of in-house and open source software allows you to investigate and innovate at every level. On any given day, you could be debugging kernel performance, developing management to

Full-time

Linux Engineer

New York, New York

•

8d ago

Full-time

GTM Engineer

New York, New York

•

Today

About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we're at a stage

Full-time

USD 160,000.00 - 180,000.00 per year

Software Engineer - Early Career

New York, New York

•

Today

Uniswap Labs is a core contributor to the Uniswap Protocol, the world's largest DEX, with over $4 trillion in volume across 17 chains. It builds products that help millions access the protocol, including the Uniswap Web App, Wallet, and Trading API. Uniswap Labs is also the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 built to be the home for liquidity across chains. When you join Uniswap, you become part of a team that's reshaping the way value flows on the internet.

Full-time

USD 138,000.00 - 200,000.00 per year

Linux Security Engineer

Hybrid in New York, New York

•

9d ago

Job Summary: Linux Security Engineer Job Requirements We are looking to accelerate delivery timelines for software updates across our range of tooling used to manage Kerberos authentication and related activities at Morgan Stanley Ideal: Highly experienced UNIX/Linux systems/security engineer proficient in C systems and network programming and systems integration in an enterprise environmentMust have:Good knowledge of UNIX/Linux operating environmentsProficiency with UNIX/Linux systems and netw

Easy Apply

Contract, Third Party

$50 - $55

Open Source jobs in Brooklyn, NY, USA