Find the Best Senior Java Engineering Jobs
Check out a sample of the 251 Senior Java Engineering jobs posted on Upwork
Backend Development
Hourly ‐ Posted 3 days agoHours needed
Duration
Experience level
No reviews? No Job Success Score? We'll fix that. Complete this 30–44 hour sprint, and we leave you a detailed 5-star review that mak…
Back End Developer
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are developing Apex, an AI-powered mortgage technology platform designed for Canadian mortgage brokers and brokerages. Apex is inte…
PHP Deprecation and Migration Specialist
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are seeking a skilled freelancer to assist in replacing an existing PHP-based intermediate layer with a Java-based solution that int…
Senior Software Engineer – Quark Publishing Platform (QPP) Specialist
Fixed-price ‐ Posted 2 days agoFixed-price
Experience level
Senior Software Engineer – Quark Publishing Platform (QPP) Specialist (Remote) We are seeking a Senior Software Engineer with hands-on…
Software architect
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
WE ARE HIRING Software Architect (Freelance / Consultant) Join a Stealth Healthcare Technology Startup Role Overview We are looking…
Full-Time Java Developer with SpringBoot Experience
Hourly ‐ Posted 3 days agoHours needed
Duration
Experience level
We are seeking an accomplished Lead Java Developer to drive the development and optimization of our e-commerce platform. The ideal cand…
Java Heap Analysis Expert Needed
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Looking for expertise in the analysis of large JVM heaps. - Must have J2EE/Jakarta experience. - Must have experience analyzing JVM he…
Senior Elasticsearch Engineer
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Senior Elasticsearch Engineer / Consultant (US Local Preferred) We are seeking a Senior Elasticsearch Engineer / Consultant for a 3-6…
Senior Automation Engineer – AI Integration
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
I’m looking for an experienced automation engineer to help implement an AI-powered operation. The role involves integrating Zapier, Ope…
Senior Python Backend Engineer (FastAPI & AI-Native Systems)
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
The Opportunity We are building a next-generation, AI-native backend platform where large language models are not just an integration…
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