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Java engineer Jobs in London, ON

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Java engineer • london on

Last updated: 2 days ago
Senior Java Engineer

Senior Java Engineer

SuperAnnotateLondon, 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: 2 days ago
Electrical Engineer

Electrical Engineer

ITPS (Canada) LTDLondon, Ontario, Canada
Full-time
Electrical Engineer (Avionics & Systems Integration).Electrical and Avionics Systems Engineer.ITPS is seeking a full-time Electrical Engineer to join our engineering team in support of high-per...Show moreLast updated: 30+ days ago
Quality Engineer

Quality Engineer

TD BankLondon, ON, CA
Full-time
Nous utilisons des témoins pour fournir et améliorer nos services de sorte à vous offrir une expérience plus personnalisée, et les services de suivi sont désactivés. Pour en savoir plus sur les témo...Show moreLast updated: 30+ days ago
Senior Electrical Engineer

Senior Electrical Engineer

MT TalentLondon, Ontario
Permanent
Quick Apply
We are a strategic recruitment agency specializing in connecting skilled professionals with top employers across Canada and the United States. Our holistic approach ensures that both technical and c...Show moreLast updated: 30+ days ago
Software Developer III

Software Developer III

J.D. PowerLondon, ON, CA
Full-time
The Role : The Intermediate Software Developer contributes to all phases of the Software Development Lifecycle through the analysis, design, implementation, verification, and maintenance of software...Show moreLast updated: 30+ days ago
Senior DevOps Engineer : Cloud, CI / CD, Kubernetes & Security

Senior DevOps Engineer : Cloud, CI / CD, Kubernetes & Security

VitalEdge TechnologiesLondon, ON, CA
Full-time
A leading ERP software provider in Canada is seeking a Senior DevOps Engineer to design and maintain cloud infrastructure across Azure and hybrid environments. Responsibilities include managing CI / C...Show moreLast updated: 30+ days ago
  • Promoted
Senior DevOps Engineer

Senior DevOps Engineer

e-EMPHASYS TECHNOLOGIES INCLondon, ON, Canada
Full-time
We are a leading ERP software and solutions provider to dealers and rental companies of heavy equipment.We specialize in working with the construction, mining, forestry, material handling, and agri...Show moreLast updated: 30+ days ago
Server Engineer

Server Engineer

MusikwocheLondon, ON, CA
Full-time
Designing, prototyping and developing server-based multiplayer game systems.Working across synchronous and asynchronous gameplay, tournaments and events, matchmaking, leaderboards, DLC and more.Wor...Show moreLast updated: 30+ days ago
Senior Retail Software Engineer -.NET / Java

Senior Retail Software Engineer -.NET / Java

RedIron Technologies Inc.London, ON, CA
Full-time
A leading retail software provider in London, Ontario seeks experienced software developers to enhance core products and support client-specific implementations. Candidates should have over 5 years ...Show moreLast updated: 30+ days ago
Domestic Electrician

Domestic Electrician

The EngineerLondon (West)
Full-time +1
Apply for this Job About the job ...Show moreLast updated: 30+ days ago
Senior Software Engineer

Senior Software Engineer

CARFAXLondon, ON, CA
Full-time
Join Team CARFAX as Senior Software Engineer - Back End.Isn't it time you bragged about where you work? At CARFAX, we do, every day. We pride ourselves on being mission-focused on helping to grow 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
Test Engineer

Test Engineer

Randstad CanadaLondon, Ontario, CA
Temporary
Quick Apply
Our client manufactures Light Armoured Vehicles in their on-site production facility.Test Engineering works directly within Engineering to execute tests to validate internal and external customer d...Show moreLast updated: 8 days ago
Structural Engineer

Structural Engineer

AECOMLondon, Ontario, Canada
Full-time
AECOM is seeking a Structural Engineer to be based in London Ontario.You will work in a team environment to deliver a variety of projects to our client base in London and Southwestern Ontario.For s...Show moreLast updated: 18 days ago
Intermediate Full-Stack Java Developer

Intermediate Full-Stack Java Developer

WinAirLondon, Ontario, Canada
Full-time
Reporting to the Development Manager the Intermediate Full-Stack Java Developer will be a proactive enthusiastic team member responsible for contributing to the development enhancement and maintena...Show moreLast updated: 20 days ago
Solutions Design IT Specialist (Java / Kafka / Dynatrace)

Solutions Design IT Specialist (Java / Kafka / Dynatrace)

The Toronto-Dominion Bank (Canada)London, Ontario
Full-time
Design ATM interface solutions that align with business requirements, ensuring secure and seamless authentication and authorization. Ensure design leverages existing reusable components, traces back...Show moreLast updated: 30+ days ago
Sales Engineer

Sales Engineer

Next DimensionLondon, Ontario, Canada
Full-time
As a Sales Engineer at Next Dimension you will play a key role in driving business by collaborating with Sales Representatives to identify and understand client needs proposing impactful IT infrast...Show moreLast updated: 30+ days ago
production engineer

production engineer

Shogun Maitake Canada Co LtdLondon, ON, CA
Permanent
Conduct studies to determine optimum inventory levels and utilization of machinery and resources.Design manufacturing systems to optimize the use of computer networks, robots and materials.Draw fac...Show moreLast updated: 26 days ago
Java Backend Developer

Java Backend Developer

AIFA SolutionsLondon, ON, CA
Full-time
Design, develop, and test different pieces of software & features throughout the development life cycle.Support and secure the platform’s architecture through the implementation of cybersecurity in...Show moreLast updated: 2 days ago
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The cities near London, ON that boast the highest number of java engineer jobs are:
Senior Java Engineer

Senior Java Engineer

SuperAnnotateLondon, Ontario, CA
2 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.