software engineer java jobs in New York

Deep understanding and experience with multi-threading, concurrency, garbage collection and JVM internals.Strong object-oriented design skills, coupled with a deep knowledge of data structures and algorithms.Excellent debugging, critical thinking, and communication skillsAble to gather cross-functional requirements and translate them into practical...

Citi CIDAP is seeking a Blockchain/Web3 Java Engineer to contribute to the design, development, and deployment of Web3-native components powering institutional digital assets infrastructure. You will collaborate on on-chain event listeners, wallet integrations, and protocol connectors within a globally distributed team.The role emphasizes building secure,...

CrackaJack Digital Solutions LLC. is seeking an experienced Java Backend Engineer to design, develop, and maintain scalable backend services and APIs using modern Java technologies in an enterprise setting.You will build RESTful APIs, develop microservices, and write clean, well-tested code within an Agile/Scrum team. Ideal candidates have 8+ years in Java...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

Job DescriptionSquarespace is looking for a frontend-focused engineer who enjoys owning features end-to-end. While your expertise is building exceptional user experiences, you're comfortable working across the stack to deliver secure, scalable identity solutions.You will join the Identity & Access Management (IAM) team, where we architect the...

Software Engineer for TestAbout IEXAt IEX, we're passionate about building technology that moves industries forward. Our story began when we built a stock exchange designed to deliver high-performance results for all investors. Our belief is that technology should level the playing field so that opportunity is equitable. We are applying what we learned from...

About RampAt Ramp, we're rethinking how modern finance teams function in the age of AI. We believe AI isn't just the next big wave. It's the new foundation for how business gets done. We're investing in that future — and in the people bold enough to build it.Ramp is a financial operations platform designed to save companies time and money. Our all-in-one...

Company SnapshotVenture-backed technology company transforming financial planning through modern software and AI-driven innovation.Building products that help advisors and clients make more informed financial decisions through intuitive, data-driven experiences.Seeking a senior full-stack engineer who enjoys ownership, solving complex problems, and...

About CogentCogent is an Applied AI Lab building the next generation of AI agents for cybersecurity. AI has fundamentally changed how attacks happen, allowing malicious actors to operate at unprecedented speed and scale. Cogent's \"AI Taskforce\" assesses petabytes of enterprise data to remediate these issues before critical breaches occur.To stay at the...

Radar Labs in New York City is seeking an Engineering Manager to lead a distributed Platform team building and operating Radar's infrastructure, developer platform, and data systems to ensure reliability and scalability for global services.You will oversee engineers across backend, frontend, and mobile stacks, connecting application and infrastructure...

Company: Chainlink LabsLocation: NY New York USSector: BlockchainSource: web3.careerAbout ChainlinkChainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). The Chainlink stack provides the essential data, interoperability, compliance, and privacy standards needed to...

About OuttakeOuttake exists to empower and facilitate trust for a digital‐first world. Today, impersonation, fraud, AI‐driven scams, and identity abuse spread faster than any security team can respond to. So we built something different: an agentic AI platform that proactively detects, monitors, and takes down impersonators, automating protection in...

Software Engineer, Benchmarking (SF, NYC, or Remote)About UsOffice Hours is an on-demand expert network that connects leading organizations with trusted experts across various knowledge domains. Experts earn income by sharing their knowledge through advisory work, projects, and AI model training. Our platform handles the complexities behind the scenes—...

About the companyRain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and compliantly through global payment cards, rewards, on/offramps, wallets, and cross-border rails. As both a Visa and Mastercard Principal Member, Rain...

Standard Template Labs is a stealth-mode, AI-native startup reimagining the future of IT Service and Configuration Management. Backed by leading investors, we're leveraging AI, graph-based architecture, and exceptional design to transform how enterprises manage and engage with their technology ecosystems.About the RoleWe're looking for a Senior Software...

ABOUT RAMPRamp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends. We automate how over $200B in annualized spend flows in and out of 70,000+ companies: authorizing payments, flagging risk, categorizing spend, and closing books.The problems are high-stakes, data-dense, and unforgiving.We...

DescriptionAmazon Web Services (AWS) is building a central pipeline of Software Development Engineer (SDE) talent for anticipated roles in 2026. This requisition supports hiring across all AWS SDE positions, from fungible SDE roles to specialized engineering positions in areas including:Embedded SystemsGame DevelopmentCompiler EngineeringArtificial...

About the CompanyRain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and compliantly through global payment cards, rewards, on/offramps, wallets, and cross-border rails. As both a Visa and Mastercard Principal Member, Rain...

Who We AreKoah Labs is building the ad network to power the next generation of AI-native products. Our mission is to help publishers monetize and help advertisers reach the right audience — without compromising speed, UX, or privacy.We're a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta and early-stage startups. We've raised...

You will build and maintain robust pipelines for distributed training on GPU-enabled clusters and manage the model development life cycle. Additionally, you will collaborate with cross-functional teams to integrate new technologies and optimize training throughput for large data sources.RequirementsThe role requires extensive experience in Python, cloud...