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Java developer Jobs in New Haven, CT

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Java developer • new haven ct

Last updated: 7 hours ago
Remote Open Source Contributor - AI Trainer ($50-$85 per hour)

Remote Open Source Contributor - AI Trainer ($50-$85 per hour)

MercorMilford, Connecticut, US
Remote
Full-time
Mercor is seeking experienced developers with a proven record of open-source contributions to join a high-quality, global network of engineers supporting AI, data, and enterprise software infrastru...Show moreLast updated: 5 days ago
Business Development Manager

Business Development Manager

Top Prospect Group LLCMilford, CT, US
Full-time +1
Quick Apply
Job Title: Business Development Manager.Compensation: $90,000–$100,000 base + 20% bonus.Employment Type: Full-Time, Direct Hire.The Business Development Manager will drive new revenue and market ex...Show moreLast updated: 30+ days ago
Remote Software Engineer (Trajectory) - AI Trainer ($70-$130 per hour)

Remote Software Engineer (Trajectory) - AI Trainer ($70-$130 per hour)

MercorShelton, Connecticut, US
Remote
Part-time
Mercor is hiring experienced Software Engineers** to support high-impact research collaborations with leading AI labs.Freelancers will contribute to building training datasets that improve AI model...Show moreLast updated: 29 days ago
Sr. Analyst, ServiceNow HR

Sr. Analyst, ServiceNow HR

Edgewell Personal Care Brands, LLCShelton, CT, US
Full-time
Edgewell is not just a company, but a vibrant global community of .We are dedicated to infusing joyfulness into every aspect of our work.Our pledge goes beyond our products, with our fundamental va...Show moreLast updated: 30+ days ago
Executive Project Manager II – (Glendower Group/ECC)

Executive Project Manager II – (Glendower Group/ECC)

Nonprofit HRNew Haven, CT, US
Full-time
Quick Apply
Executive Project Manager II Glendower Group | Elm City Communities Lead Transformational Projects.The Glendower Group, an innovative 501(c)(3) real estate development arm of Elm City Communities i...Show moreLast updated: 30+ days ago
Software Developer Intern

Software Developer Intern

ASSA ABLOYNew Haven, CT, US
Full-time
ASSA ABLOY is seeking a highly motivated undergraduate student to join our team as a Software Developer Intern.This internship provides hands-on experience working within the Microsoft technology s...Show moreLast updated: 6 days ago
Online Data Verification Technician (Work-at-Home)

Online Data Verification Technician (Work-at-Home)

FocusGroupPanelMilford, Connecticut, United States
Remote
Part-time
Work From Home, Entry Level Data Entry Clerk As A Research Participant.We are looking for people who want to work remotely from home.You'll need an Internet connection and a mobile device or comput...Show moreLast updated: 9 days ago
  • Promoted
Junior java backend developer with spring boot/ data analyst

Junior java backend developer with spring boot/ data analyst

SynergisticITWest Haven, CT, United States
Full-time
Are you passionate about coding or technology and ready to make your mark in tech? For more than 14 years, Synergisticit has been helping aspiring developers like you excel in the tech industry.We ...Show moreLast updated: 30+ days ago
  • New!
Remote SWE Expert - AI Trainer ($70-$150 per hour)

Remote SWE Expert - AI Trainer ($70-$150 per hour)

MercorNew Haven, Connecticut, US
Remote
Full-time
Role Overview Mercor is seeking SWE Experts to support the design of evaluation-ready workflows for advanced AI systems.This engagement focuses on translating ambiguous requirements into structured...Show moreLast updated: 7 hours ago
.NET/Sitecore Developer

.NET/Sitecore Developer

LATICRETE International, Inc.Bld,Bethany,Connecticut
Full-time
Are you looking for a new challenge? Passionate about innovation? Want to work for a global company that values integrity, teamwork, and loyalty? .We’ve been in business for over 65 years, family-o...Show moreLast updated: 30+ days ago
Remote Software Engineer (Trajectory) - AI Trainer ($70-$130 per hour)

Remote Software Engineer (Trajectory) - AI Trainer ($70-$130 per hour)

MercorNew Haven, Connecticut, US
Remote
Part-time
Mercor is hiring experienced Software Engineers** to support high-impact research collaborations with leading AI labs.Freelancers will contribute to building training datasets that improve AI model...Show moreLast updated: 30+ days ago
Remote Software Engineer III, AI & Frontend - AI Trainer ($80-$110 per hour)

Remote Software Engineer III, AI & Frontend - AI Trainer ($80-$110 per hour)

MercorNew Haven, Connecticut, US
Remote
Full-time +1
A prestigious tech company is seeking a skilled Software Engineer to join their Interview Experience team within Recruiting Products, part of the larger People Products pillar under Enterprise Engi...Show moreLast updated: 3 days ago
Remote Software Engineer (Code QA) - AI Trainer ($70-$120 per hour)

Remote Software Engineer (Code QA) - AI Trainer ($70-$120 per hour)

MercorMilford, Connecticut, US
Remote
Part-time
Mercor is hiring experienced Software Engineers** to support high-impact research collaborations with leading AI labs.Freelancers will contribute to building evaluation datasets that assess AI reas...Show moreLast updated: 1 day ago
junior java mern programmer

junior java mern programmer

SynergisticITnew haven, CT, US
Full-time
Let SynergisticIT Be the Launchpad to Your Tech Career.Since 2010, we've helped thousands of candidates land full-time jobs at tech leaders like.Google, Apple, PayPal, Visa, Western Union, Wells Fa...Show moreLast updated: 30+ days ago
junior data scientist/Junior full stack developer

junior data scientist/Junior full stack developer

SynergisticITNew Haven, CT, US
Full-time
Stop Failing Interviews—Start Owning Them”.For jobseekers who get interviews but don't convert them into offers.If you're getting interviews but not offers, you're closer than you think—yet that fi...Show moreLast updated: 30+ days ago
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Remote Open Source Contributor - AI Trainer ($50-$85 per hour)

Remote Open Source Contributor - AI Trainer ($50-$85 per hour)

MercorMilford, Connecticut, US
5 days ago
Job type
  • Full-time
  • Remote
Job description

Mercor is seeking experienced developers with a proven record of open-source contributions to join a high-quality, global network of engineers supporting AI, data, and enterprise software infrastructure projects.

This opportunity is designed for developers who are deeply engaged in the open-source ecosystem and have a passion for backend architecture, scalable systems, and reliable software engineering. * * * ## Key Responsibilities - Design challenging coding problems with clear input / output specs, constraints, and explicit function signatures. - Develop complete mini-repos, including : - Problem statement - Reference solution - Comprehensive unit tests (10–20 cases) - Executable test runner - Implement clean, production-quality code aligned strictly with test expectations. - Write high-coverage tests covering edge cases, invalid inputs, and performance constraints. - Ensure full executability with no missing dependencies, configuration issues, or signature mismatches. * * * ## Requirements - 3+ years of backend development experience in one or more of the following languages : Rust, C++, C, COBOL, Java, Ruby, PHP, Python, TypeScript, Go, C#, JavaScript - Familiarity with Docker and basic CI / CD workflows (e.g., GitHub Actions or similar tools) - Strong understanding of clean code, modular design, and performance optimisation - Comfortable working with Git-based collaboration (PRs, issues, reviews) * * * ## Role Details - Expected commitment : ~10–20 hours / week - High-impact contributions to globally visible projects