Last updated: 2025-07-23

47 Java Software Engineering jobs in New York City.

Filters: Categories: Java Software Engineering | Locations: Brooklyn

adMarketplace

At adMarketplace, our mission is to deliver the most engaging consumer search experiences while empowering advertisers to measure media performance accurately.…

Technical Leader / Senior Engineer

New York City

  • Skills: Java, Microservices, Low latency, High-volume systems, Spring Boot, Ad Tech, Distributed systems, CI/CD pipelines, AWS, Technical leadership
  • Level: mid
  • Type: full_time

CertiK

CertiK is the leading blockchain security company focused on securing the cyber world by applying cutting edge techniques from academia to secure blockchain co…

Research Software Engineer

New York City

  • Skills: blockchain, smart contracts, automated reasoning, programming language theory, symbolic model checking, SAT/SMT solving, abstract interpretation, data flow analysis, deductive verification, tool development
  • Level: mid
  • Type: full_time

Hedge Fund NYC

KDB Engineer

New York City

  • Skills: KDB, software development, financial data, architect, Java, C++, Python, financial services, buy-side, high level languages
  • Level: mid
  • Type: full_time

Quantitative Hedge Fund

A top-tier Quantitative Hedge Fund based in New York City. This fund is known for its innovative approaches in financial markets and works closely with researc…

Software Engineer

New York City

  • Skills: Software Engineer, Quantitative Hedge Fund, financial markets, high-performance applications, multi-threaded applications, programming languages, Java, C++, scientific computing, algorithm development
  • Level: mid
  • Type: full_time

Galaxy

At Galaxy we are building products and services to help the world invest in economic progress. We believe crypto and blockchain innovations will permeate and i…

Software Engineer

New York City

  • Skills: Java, Concurrency, Multithreaded programming, Low latency trading systems, Application performance profiling, Docker, Kubernetes, AWS, Crypto knowledge, eFX development
  • Level: mid
  • Type: full_time

Interactive Brokers Group, Inc.

Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. W…

Software Engineer

New York City

  • Skills: Software Engineer, UI features, responsive UI, Qt/QML, JavaScript, Java, application development, object-oriented development, reactive frameworks, communication skills
  • Level: mid
  • Type: full_time

Jane Street

Jane Street is a global trading firm that operates at the intersection of technology and finance.

Software Engineer

New York City

  • Skills: Software Engineer, programming languages, financial modeling, risk calculation, custom alerting, core language features, standard library management, editor integrations, critical firm functions, functional programming
  • Level: mid
  • Type: full_time

Merge

Merge enables B2B companies to add hundreds of integrations to their products, making it easy to access and sync their customers' data. We offer Unified APIs t…

Software Engineer

New York City

  • Skills: B2B, integrations, Unified APIs, software engineering, SQL databases, Django, Rails, Spring, architecture discussions, production-ready code
  • Level: senior
  • Type: full_time

Lab49

Lab49 is focused on driving transformative change for top-tier Financial Services clients.

Lead Java Engineer

New York City

  • Skills: Java, Lead Engineer, Financial Services, Agile environment, Server-side, Complex projects, Transformative change, Next-generation systems, Team leadership, Software development
  • Level: mid
  • Type: full_time

Octaura

Octaura is reimagining the way these markets trade, with efficiency, transparency and simplicity at the heart of what we do. We bring trading capabilities, dat…

Software Development Engineer

New York City

  • Skills: Software Development, Full-stack Engineering, Electronic Trading Platform, Cloud-based Applications, Java, React, TypeScript, SQL, Data-related Technologies, Multithreading Design Patterns
  • Level: mid
  • Type: full_time

Lead

Lead is a fintech building banking infrastructure for embedded financial products and services. We operate an FDIC-insured bank headquartered in Kansas City, M…

Backend Systems Engineer

New York City

  • Skills: fintech, banking infrastructure, embedded financial products, backend systems, performance, reliability, scalability, product management, customer needs, regulatory landscape
  • Level: mid
  • Type: full_time

Owl.co

We collaborate with leading insurance providers throughout North America, delivering outstanding outcomes via our AI-driven, evidence-based platform.

Senior Software Engineer

New York City

  • Skills: software development, product engineering, programming languages, Python, Java, web frameworks, cloud platforms, microservices architecture, Agile development, collaborative team environment
  • Level: mid
  • Type: full_time

Plaid

Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fort…

Full Stack Engineer - CRA Foundations Team

New York City

  • Skills: full-stack, architecting, CRA products, cross-functional, compliance, product requirements, design, Credit products, technologies, project owner
  • Level: mid
  • Type: full_time

Virtu Financial

Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutio…

Software Engineer (Java)

New York City

  • Skills: Software Engineer, Java, Trading Systems, Scalability, Performance, Distributed Software, Low-latency, Technical Solutions, Collaboration, Communication Skills
  • Level: mid
  • Type: full_time

Department of Social Services (DSS)

The Department of Social Services (DSS) is part of the New York City Human Resources Administration (HRA) and the Department of Homeless Services (DHS). HRA is…

IT Project Specialist

New York City

  • Skills: Curam, architecture, technical designs, vendor support, requirements gathering, system enhancements, development, testing, deployment, COTS framework
  • Level: mid
  • Type: full_time

Capital One

Capital One is a bank holding company specializing in credit cards, finances, and banking services. It offers a comprehensive, competitive, and inclusive set o…

Senior Lead Software Engineer, Back End

New York City

  • Skills: Back End Software Engineer, Microservices, Cloud Computing, Java, Python, AWS, NoSQL databases, Agile practices, Performance-based incentive compensation, Team Leadership
  • Level: senior
  • Type: full_time

Tech Innovations Inc.

A leading company in tech solutions, focused on AI-driven applications for business efficiency.

Senior Software Engineer

New York City

  • Skills: Java, Python, Software Development, Agile Methodologies, Cloud Computing, API Development, Machine Learning, Problem Solving, Team Collaboration, Version Control
  • Level: mid
  • Type: full_time

Tech Innovators Inc.

A leading technology company specializing in innovative software solutions.

Senior Software Engineer

Jersey City

  • Skills: Software Development, Agile Methodologies, Java, Python, Cloud Computing, Microservices, DevOps, API Development, Database Management, Team Collaboration
  • Level: mid
  • Type: full_time

Apollo Global Management Inc.

Apollo is a high-growth, global alternative asset manager focused on providing clients with excess returns across a spectrum of investment strategies, includin…

Senior Engineer, Trading Technology

New York City

  • Skills: full-stack development, trading environment, microservices, cloud based applications, Python, JavaScript, agile software delivery, CI/CD tools, collaborative team environment, trading software
  • Level: senior
  • Type: full_time

Datadog

Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …

Senior Software Engineer - API Clients

New York City

  • Skills: Software Engineer, API, open source, client libraries, SDKs, automation, code generation, API specification, Go, Java
  • Level: mid
  • Type: full_time