Software Developer (Java)
Objective Paradigm
Reference: 26209 Location: Chicago, IL, United States Industry: Trading Firm Posted: 2026-07-28 Contact: Ethan Hudson Email: View email address on click.appcast.io Phone: View phone number on click.appcast.io Job Title Software Developer (Java) Location Chicago, IL | New York, NY | London, UK | Amsterdam, NL About the Opportunity Join a premier global quantitative trading firm as a Core Java Software Engineer building ultra-low-latency, high-throughput trading infrastructure. In this role, you will partner directly with research, systems, and operations teams to scale and optimize distributed computing platforms operating around the clock. This is an exceptional opportunity to tackle complex technical challenges where microsecond performance gains directly drive business growth. Responsibilities Architect, build, and maintain enterprise-grade Java software powering core execution and analytical platforms. Enhance existing quantitative research environments to support new execution venues, financial products, and system capabilities. Engineer distributed data storage solutions tailored for high reliability and demanding performance thresholds. Identify and resolve execution bottlenecks across custom codebases, open-source libraries, and operating system kernels. Research and evaluate emerging technologies to increase the processing capacity, stability, and speed of distributed computing farms. Build advanced monitoring tools and proactive telemetry to detect operational anomalies. Optimize network communication protocols across distributed components to achieve minimal latency and maximal throughput. Conduct technical candidate interviews and perform peer code reviews across engineering and research groups. Requirements (Must-Have) Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline (or equivalent professional engineering experience). Demonstrated expertise in writing, refactoring, and debugging production-grade Java applications. Strong grasp of core computer science principles, system architecture, and modern software design patterns. Hands-on experience building scalable, fully automated, and thoroughly tested distributed systems. Practical understanding of low-level software stack operations, networking protocols, and storage system mechanics. Pragmatic problem-solving mindset with a focus on delivering robust, maintainable solutions. Collaborative attitude paired with the ability to drive initiatives independently. Preferred Qualifications (Nice-to-Have) Exposure to low-level C++ development. Practical knowledge of Linux environment tuning and system internals. Prior experience in electronic trading, quantitative finance, or capital markets. Compensation & Benefits Competitive base salary accompanied by an attractive discretionary bonus pool. Comprehensive healthcare benefits, retirement plan options, and professional development support. #LI-EH1
- ...Build and maintain Java software for core trading execution and analytical platforms, including distributed storage, monitoring, and telemetry systems. Improve performance, reliability, and network communication across distributed computing infrastructure, and contribute...Suggested
- ...Job Title Software Developer (Java) Location Chicago, IL | New York, NY | London, UK | Amsterdam, NL About the Opportunity Join a premier global quantitative trading firm as a Core Java Software Engineer building ultra-low-latency, high-throughput trading...Suggested
$65 per hour
...Job DescriptionJob Description Role Name - Java Full Stack Developer Location: Chicago, IL Duration: 6 Month Contract Rate: $65/hr ROLE_DESCRIPTION - Role Descriptions: Minimum 8 years of experience. Java Core & Advanced| Java 21| Java Design Patterns| Spring Core| Spring...SuggestedContract work- ...Job TitleMinimum 8 years of Java Applications Development work experienceSolid application design, coding, testing, maintenance and debugging skillsSolid experience in Core Java, Spring Framework, Springboot, Java Scripting, Java Batch, Java Service Layer, WAS, CSS, HTML...Suggested
- ...We are looking for an experiencedFull Stack Java Developer with 10+ years of experience in designing and developing scalable web applications... ...maintainability. Required Skills 10+ years of experience in software development. Strong expertise in Java and Spring Boot. Hands-...Suggested
- ...months - CTH Rate: $55 - $57/ hr. on C2C Day to Day: The Senior Software Consultant will perform full‑stack development across the... ...features Must Haves: At least 7-8+ years of experience as a Java/J2EE Developer. Refactoring/modernizing backend application using Spring (...Relocation
- ...Java DeveloperWe are seeking a seasoned Senior Java Developer with a deep specialization in high-throughput trading platforms. You will be responsible for designing and scaling microservices that power our real-time execution algorithms, ensuring ultra-low latency, high...
- ...Job DescriptionJob DescriptionJob Title: Java Software Engineer Location: Chicago, IL (Hybrid) Contract Role Job Description: The Software... ...Consultant collaborates with cross-functional teams to design, develop, test, and deliver secure, high-quality software solutions....Contract work
- ...Job TitleMandatory technical skills Java/J2EE, EJBs, Spring MVC, Spring boot, Hibernate, restful services, JMS, interfacing with Kafka/Elastic search. Expertise in React JS framework to develop the SPA. Experienced in React JS and working with React Flux architecture....
$125k
...and write clean, maintainable, well-tested Java code, and perform debugging and root-... ...framework and integration issues. Design, develop and enhance automation testing framework... ...with Docker. Support secure software delivery by integrating and acting on findings...- ...Java DeveloperProject Overview: Looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade solutions. The ideal candidate... ..., the person will lead and develop on proprietary software applications, champion new technologies and best...For contractors
- ...Job DescriptionJob DescriptionDescription:Hybrid 4 days onsite in Berwyn, PAOur client seeks a Java engineer to develop and enhance investment servicing applications. The role will focus on Java 21 services, Oracle SQL and stored procedures, and data integration. The...Hourly payContract workLocal area
$90k - $150k
...Senior Full Stack Java DeveloperWe are seeking a Senior Full Stack Java Developer to join our team! We are looking for a Senior Developer who combines strong Java... ...AI-assisted development as a standard part of the software development lifecycle, including requirements...Full timeWork at officeRemote work- ...Onscreen Edits Management for Web User Interface Experience on Java, J2EE, Spring, Web Services, Web2.0, Integration and J2EE Design... ...Skills At least 5+ years of experience in planning, designing, developing, and maintaining systems on Insbridge Enterprise Rating....Full time
$55 - $70 per hour
...USD Hourly Description: Our client is currently seeking a Java Developer - W2 Job Responsibilities Participates in, design and... ..., iterative improvements for product teams Executes software solutions, design, development, and technical troubleshooting...Hourly pay- ...Senior Java DeveloperLocation: Chicago, ILInterview: Face to Face Interview in Chicago... ...in Chicago. NO remoteLooking for a Senior Developer to work, deploy, and manage web/API based... ...their work and embraces the ideals of the software craftsmanship and Agile development...
- ...Job DescriptionJob Description Java Developer Employment Type: Full-Time Department: Information Technology CGS is seeking a Java developer... ...Collaborate with business analyst and developers to produce software designs - Provide work estimates to project manager, provide...Full timeFlexible hours
- ...optimization, and development and testing. The developer will bridge the gap between design and... ...a complex, diverse, dynamic hardware and software environment that serves a complex... ...coding and scripting in languages such as Java,.net/C#, php, ruby as well as skills in relational...
$80.6k - $92.8k
The Developer job helps maintain proper codebases by regularly updating dependencies and configurations... ...Designs, develops, and maintains backend Java-based microservices and JavaScript... ...needed. Contributes across the full software development lifecycle, including...Work experience placementWork at officeFlexible hours$65 - $75 per hour
...significantly reducing and/or eliminating the demands to travel. Key Responsibilities As a Java Developer you will be responsible for supporting current and developing new software solutions. You will use modern frameworks and agile practices to deliver scalable high...Permanent employmentLive inWork at officeLocal areaImmediate startFlexible hours- ...We are seeking a Senior Java Developer with strong experience building enterprise-scale, event-driven applications. The ideal candidate will have deep expertise in Apache Kafka, along with hands-on experience in Kubernetes, OpenShift, DevOps practices, CI/CD pipelines...
$65 - $75 per hour
...significantly reducing and/or eliminating the demands to travel. Key Responsibilities As a Java Developer you will be responsible for supporting current and developing new software solutions. You will use modern frameworks and agile practices to deliver scalable high...Permanent employmentLive inWork at officeLocal areaImmediate startFlexible hours$60k
...Dellfor Technologies is founded by software professionals with fresh approach, and ideas empowering... ...oriented approach enables clients to develop cost effective and robust solutions. We... .... Job Description 5-12 + Years of Java, J2EE and web/internet based programming...Permanent employmentTemporary work- ...Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of... ...development initiatives in our FinLabs we develop solutions for modernization, from Artificial... ...challenge We are seeking a skilled Java Developer with strong experience in...Temporary workFlexible hours
- ...most forward-thinking insurers and employers. Job Purpose The Java Developers' role is to maintain and enhance key Java applications to... ...documents, write code, and perform unit and functional testing of software. This includes contributing to the overall standards of the...Temporary work
$130k - $140k
...Senior Java Software EngineerAs a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you'... ...applications and integrations. This role is ideal for an experienced developer with strong Java skills, sound engineering judgment, and the...Work at officeWorldwideVisa sponsorship1 day per week$100k - $130k
...Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of... ...development initiatives in our FinLabs we develop solutions for modernization, from Artificial... ...for a detail-oriented and experienced Java Software Engineer to join our development...Full timeTemporary workWork experience placementFlexible hours- ...Job DescriptionJob DescriptionJob Title: Senior Full Stack Java Developer Location: Chicago, IL 60604 (Onsite) Duration: 12 Months Job Details: Minimum 10 years Experience will be require. Develop scalable web applications using Java, Spring Boot, ReactJS, and related...
- ...Job DescriptionJob DescriptionJob Title: Senior Full Stack Java Developer Work Location : Chicago IL 60604 (candidates must be local in Chicago) Contract duration (in months)* 12 Months Interview Process (Is face to face required?): No Job Details: Must Have Skills (Top...Contract workLocal area
$100k - $120k
...Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of... ...development initiatives in our FinLabs we develop solutions for modernization, from Artificial... ...: We are seeking an experienced Java Developer with proven Greenfield design expertise...Temporary workWork experience placementFlexible hours
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