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Java software engineer Jobs in Oshawa, ON

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Java software engineer • oshawa on

Last updated: 21 hours ago
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Senior Java Engineer

Senior Java Engineer

SuperAnnotateAjax, Ontario, CA
Remote
Full-time
As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...Show moreLast updated: 21 hours ago
Senior / Lead Java Software Engineer

Senior / Lead Java Software Engineer

Rbo PROAjax, ON, CA
Full-time
RBO SERVICES LLC is a software development company founded in 2020, partnering with Quad Nova Group INC company.Currently we are seeking for qualified Senior / Lead Java Engineer, for java-based web-...Show moreLast updated: 30+ days ago
Software Engineer, iOS - Conversation Experiences

Software Engineer, iOS - Conversation Experiences

redditRemote, Ontario, Canada
Remote
Full-time
Reddit is a community of communities.It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote...Show moreLast updated: 30+ days ago
Sr Software Engineer (Full Stack)

Sr Software Engineer (Full Stack)

McGraw HillWhitby, Durham Region, CA
Full-time
Sr Software Engineer (Full Stack).Get AI-powered advice on this job and more exclusive features.At McGraw Hill we create best-in-class, next-generation learning platforms that are used by millions ...Show moreLast updated: 30+ days ago
Staff Software Engineer, Backend (Streaming)

Staff Software Engineer, Backend (Streaming)

AffirmOshawa, Durham Region, CA
Full-time
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.Design and build data inf...Show moreLast updated: 30+ days ago
Medior full-stack Engineer

Medior full-stack Engineer

NedapAjax, ON, CA
Ons Administratie', binnen de Back Office tribe van Nedap Healthcare.Ons Administratie is het financiële en administratieve hart van de zorgorganisatie en heeft als doel om voor onze klanten de ste...Show moreLast updated: 30+ days ago
Software Engineer

Software Engineer

YunbanbaoAjax, ON, CA
Full-time
Performing Software development activities including requirement gathering and analysis.Designing and Developing Data-intensive, web-based application in support of local business.Supporting data s...Show moreLast updated: 30+ days ago
OPEN : Lead Software Engineer Developer

OPEN : Lead Software Engineer Developer

Cpus Engineering Staffing Solutions Inc.Oshawa, Durham Region, CA
Full-time
We are currently requesting resumes for the following position.Lead Software Engineer Developer.Monday, December 15th, 2025 (5 : 00PM EST). CHQ, 1908 Colonel Sam Drive, Oshawa.Lead Software Engineer / ...Show moreLast updated: 13 days ago
Principal Software Engineer

Principal Software Engineer

ServiceTitanCanada Ontario
Remote
Full-time
We’re looking for someone to lead all technical aspects of an engineering team at ServiceTitan.You must have a strong background in responsive web application development, building distributed syst...Show moreLast updated: 30+ days ago
information technology (IT) project manager

information technology (IT) project manager

Government of Canada - CentralWhitby, Durham Region, CA
Full-time
Work must be completed at the physical location.There is no option to work remotely.Confer with clients to identify requirements. Document technical requirements to ensure that products, processes a...Show moreLast updated: 15 days ago
JPC -1459 - Senior Software Engineer

JPC -1459 - Senior Software Engineer

ITS GlobalOntario
Full-time
Our client is looking for a Senior Software Engineer to join their team.The ideal candidate should have : .Has 8+ years of experience developing software, with a track record of successful production...Show moreLast updated: 30+ days ago
SENIOR SOFTWARE ENGINEER JAVA (m / w)

SENIOR SOFTWARE ENGINEER JAVA (m / w)

PRO ACADEMICS AGAjax, ON, CA
Als kompetenter Recruiter bringt PRO ACADEMICS Fachspezialisten und Unternehmen zusammen.Wir suchen einen Senior Software Engineer Java für Zürich. Konzeption und Umsetzung von JEE-basierten Web-Lös...Show moreLast updated: 30+ days ago
Software Engineer 2

Software Engineer 2

360insightsWhitby, Durham Region, CA
Full-time
Starting base salary CAD$77,000 - $92,000.Salary ranges are determined by role, level, and location.The range reflects the typical new hire salaries. it does not reflect the maximum salary for the ...Show moreLast updated: 4 days ago
25-198 - Lead Software Engineer Developer

25-198 - Lead Software Engineer Developer

Morson CanadaOshawa, Durham Region, CA
Full-time
Monday, December 15th, 2025 (5 : 00PM EST).The Lead Software Developer / Engineer is a specialist technical role focused on elevating engineering excellence, driving technical strategy, and influencing...Show moreLast updated: 11 days ago
Software Development Engineer II

Software Development Engineer II

Solera CorporationAjax, ON, CA
Full-time
Software Development Engineer II page is loaded## Software Development Engineer IIlocations : Mitikahtime type : Full timeposted on : Posted Todayjob requisition id : JR-018443 • •Job Description...Show moreLast updated: 30+ days ago
Hiring : Software Engineer (Aug 2025)

Hiring : Software Engineer (Aug 2025)

NexsysoneAjax, ON, CA
Full-time +1
Please only apply when you have these experiences.Candidate should have more than 5+ years of experience in web development. Developing web application components / features using various scripting la...Show moreLast updated: 30+ days ago
Embedded Automotive Software Engineer – Early Career

Embedded Automotive Software Engineer – Early Career

General MotorsOshawa, Durham Region, CA
Full-time
A leading automotive manufacturer in Canada is seeking an embedded software developer for vehicle mechatronics.The successful candidate will work in Agile Scrum teams to design and develop embedded...Show moreLast updated: 7 days ago
Software Engineer

Software Engineer

BangjinAjax, ON, CA
Full-time
NET CORE, Database (MS SQL Server).Must be a full-stack developer.Must have positive attitude in learning new things.Must have professional experience on core application development using C#, NET ...Show moreLast updated: 30+ days ago
Software Engineer / Developer

Software Engineer / Developer

msritsolutionsAjax, ON, CA
Full-time
This is an entry- to mid-level software engineer position in a small group of web-based application developers, specifically for interactive video applications. The role is full-time on-site, with t...Show moreLast updated: 30+ days ago
People also ask
Senior Java Engineer

Senior Java Engineer

SuperAnnotateAjax, Ontario, CA
21 hours ago
Job type
  • Full-time
  • Remote
Job description

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality reference implementations and reasoning steps. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in logic, performance, or design; fact-check technical information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality.

This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs, where your Java expertise will directly help improve the world’s premier AI models.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • Bachelor’s degree or higher in Computer Science, Software Engineering, or a closely related technical field.
  • 5+ years of professional software engineering experience, with significant hands-on work in Java on production systems.
  • Deep understanding of core Java, concurrency primitives, and the Java Collections Framework.
  • Extensive experience building and maintaining backend services using Spring or Spring Boot, REST APIs, and microservice architectures.
  • Strong grasp of software design principles, system design, and performance optimization in distributed Java systems.
  • Minimum C1 English proficiency (written and spoken), with the ability to write clear technical explanations and follow detailed English-language guidelines.
  • Comfort working with modern engineering tooling such as Git, CI / CD pipelines, automated testing frameworks, and containerization technologies.
  • Demonstrated experience conducting thorough code reviews and providing structured, constructive feedback to other engineers.
  • Previous experience with AI data training, annotation, or evaluating AI-generated technical content is a strong plus.
  • Highly detail-oriented and systematic, with a methodical approach to evaluating reasoning quality and identifying subtle issues in Java solutions.