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Java developer Jobs in Brantford, ON

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Java developer • brantford on

Last updated: 17 hours ago
Remote Senior Java Engineer - AI Trainer

Remote Senior Java Engineer - AI Trainer

SuperAnnotateParis, 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: 22 days ago
Senior Product Manager (GTM Strategy)

Senior Product Manager (GTM Strategy)

mParticleRemote, Ontario Canada
Remote
Full-time
The Successful candidate will : .Product GTM : Spearhead product launches with meticulously planned go-to-market strategies, ensuring seamless orchestration and measurable impact.Drive Product Adoptio...Show moreLast updated: 30+ days ago
Controls Technician

Controls Technician

Barry Callebaut GroupBrantford, ON, CA
Full-time
Electrical & Automation Controls Technician.Electrical & Automation Controls Technician reports to the Maintenance Manager. This position is responsible for the electrical controls and process progr...Show moreLast updated: 15 days ago
Data Warehouse Developer

Data Warehouse Developer

STACK IT RecruitmentBrantford, ON, CA
Remote
Full-time +1
Quick Apply
Are you passionate about designing powerful data solutions and transforming complex information into high-performance analytics? . In this role, you’ll take the lead in architecting, optimizing...Show moreLast updated: 30+ days ago
Senior Data Operations & BI Developer

Senior Data Operations & BI Developer

Holstein CanadaBrantford, ON, CA
Full-time
We are committed to providing a barrier‑free recruitment process.If you require accommodation at any step in the process, we will work with you to meet your needs – simply contact a member of the H...Show moreLast updated: 30+ days ago
  • New!
Automation Technologist

Automation Technologist

Godspeed GroupBrantford, ON, CA
Full-time +1
We are hiring an Automation Technologist to work with one of our Military Defense Manufacturing clients in Brantford! Reporting to the Director of Engineering, the Automation Technologist will be r...Show moreLast updated: 17 hours ago
Senior Developer (Data)

Senior Developer (Data)

Farm Credit CanadaVarious FCC office s in Ontario may be considered
Full-time
Salary Range (plus eligible to receive a performance based incentive, applicable to position) : .Experienced data developer needed. Using your experience in Agile Scrum methodology and AWS data pipel...Show moreLast updated: 30+ days ago
Controls Technician

Controls Technician

Barry CallebautBrantford, ON, CA
Full-time
At Barry Callebaut, we are on a journey to transform the cocoa and chocolate industry.As the world’s leading manufacturer of high-quality chocolate and cocoa products, our actions truly shape the f...Show moreLast updated: 28 days ago
iOS Developer Intern / Co-op (Remote)

iOS Developer Intern / Co-op (Remote)

TorontoJobsREMOTE, ON
Remote
Part-time +1
OS Developer Intern / Co-op (Remote).Guhuza is seeking an iOS Developer to join our remote team and contribute to the development of our iOS app. As an iOS Developer at Guhuza, you will play a cruci...Show moreLast updated: 30+ days ago
  • Promoted
Software Engineer

Software Engineer

NPA WorldWideBrantford Southeast, Ontario, Canada
Full-time +1
Plan, design, develop, test, implement, maintain, and document applications to meet business requirements.Modify and maintain existing applications. Provide technical support to end users for applic...Show moreLast updated: 2 days ago
Application Support Analyst

Application Support Analyst

Juventus ConsultingOntario
Full-time
We are looking for an Application Developer both Java and.The split would be 75% Java work and 25%.This is 1 year contract, work could be out of Toronto or Waterloo. The required candidate will be a...Show moreLast updated: 30+ 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
Sr. SharePoint Developer

Sr. SharePoint Developer

Medavie Blue CrossON, CA
Full-time +1
What makes us a different kind of employer?.As a national health solutions partner, Medavie is committed to improving the wellbeing of Canadians — and in our digital-first culture, technology is ke...Show moreLast updated: 30+ days ago
iOS Engineer III, Feeds / Business Experience

iOS Engineer III, Feeds / Business Experience

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
Remote Independent Trader Job in Cat Lake, ON | Part Time

Remote Independent Trader Job in Cat Lake, ON | Part Time

Maverick TradingCat Lake, Kenora District, ON P0V, Canada
Remote
Part-time
Remote Independent Trader at Maverick Trading.Maverick Trading, a 26-year old proprietary trading firm is looking to hire experienced and entry-level equity and equity and option traders.We are a g...Show moreLast updated: 30+ days ago
front-end developer

front-end developer

ELIM5 Inc.Brantford, ON, CA
Full-time +1
Computer hardware or software retailer / wholesaler.Relocation costs not covered by employer.Consult with clients to develop and document Website requirements. Source, select and organize information ...Show moreLast updated: 30+ days ago
Software Developer-Brantford- On Site ($65k-$70k)

Software Developer-Brantford- On Site ($65k-$70k)

Prime Management GroupBrantford, ON, CA
Full-time
Are you enthusiastic about exploring new technology and providing exceptional technical support to others? Do you possess strong organizational and project management skills to effectively prioriti...Show moreLast updated: 3 days ago
Controls Technician

Controls Technician

Barry Callebaut Manufacturing Iberica SA.Brantford, ON, CA
Full-time
At Barry Callebaut, we are on a journey to transform the cocoa and chocolate industry.As the world’s leading manufacturer of high-quality chocolate and cocoa products, our actions truly shape the f...Show moreLast updated: 15 days ago
CERT Unit Member Internal

CERT Unit Member Internal

Brantford Police ServiceBrantford, Ontario, Canada
Full-time
Job Posting : CERT Unit Member Posting Type : .We invite online applications from our sworn members for three Constable positions with our Core Engagement and Response Team (CERT).Assignments will...Show moreLast updated: 5 days ago
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Remote Senior Java Engineer - AI Trainer

Remote Senior Java Engineer - AI Trainer

SuperAnnotateParis, Ontario, CA
22 days 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.