Jobs for java application developer at Ontario

Lead Java Application Developer [Fault Tree Analysis (FTA) Project] POSITION DESCRIPTION This key team member will lead the development of a Java-based Fault Tree Analysis (FTA) application for Engineering Professionals. This is a hands‑on leadership role requiring very strong cross‑platform Java development skills. The ideal candidate will have at...

Elevate your career as a Full Stack Java Developer at Citi, where you'll lead application system improvements in a collaborative environment. Utilize your experience in Java and modern frameworks to enhance development workflows. In this senior position, you will take the lead in analyzing application systems and driving programming activities in...

Advance your career as a Senior Java Full Stack Developer at Citi. This full-time role involves leading application systems analysis and programming within a global team. As an Applications Development Technology Lead Analyst, you will be instrumental in shaping new or revised application systems while collaborating across management teams. Your...

Elevate your career as a Senior Java Microservices Developer with Cognizant, embracing a hybrid work model focused on Spring Boot and Kafka. Design resilient microservices that enhance payment solutions. Cognizant seeks a Senior Java Microservices Developer to create scalable and secure microservices using Spring Boot and Kafka. You will be integral in...

Take your skills to the next level as a Backend Developer with Tata Consultancy Services in Toronto, Ontario. This full-time role focuses on Java, Spring frameworks, and microservices. In this Mid-Senior level position, TCS seeks a Backend Developer well-versed in Java and application architecture. You will take part in an innovative Agile team, building...

Elevate your career at Citi as a Senior Java Developer in Applications Development. Design high-performance Java applications that power critical financial services globally. As an integral part of the Applications Development team, you'll bring your expertise to create robust Java applications that handle high-volume, latency-sensitive workloads. This role...

Role: Senior Java Backend Developer Location: Mississauga, Canada Job Summary: Looking for an experienced Java Developer to design and develop robust backend services for enterprise applications. Responsibilities Design and develop scalable backend systems using Java and Spring Boot. Build and consume RESTful APIs. Work with databases and optimize...

Company DescriptionCygnus’s vision is to become global leader in Information technology and consulting by delivering excellence to its customers. We understand that we cannot achieve it without our people. Hence, they are the most integral part of our organization. People at Cygnus are committed to help their customers in achieving their goals. Our people...

Application Deadline:09/13/2026Address:33 Dundas Street WestJob Family Group:Technology  Drives the overall software development lifecycle including working across functional teams to transform requirements into features, managing development teams and processes, and conducting software testing and maintenance. Specific project areas of focus includes...

Job Title: Lead Java Developer Job Location: Toronto, ON (2 days/week onsite) # Positions: 1 Employment Type: W2 Duration:Long Term Work Eligibility:All Work Authorizations are Permitted – No Visa Transfers Key Technology:Java 8, RDBMS, PL/SQL Job Responsibilities: Analyze a broad range of business requirements, conduct program / system research...

Duration: 12 month assignment (contract) Senior Software Engineers will be responsible for designing, developing, and supporting mission-critical services within a Brazil-focused payments platform. This role will have a strong emphasis on API development, microservices, event-driven architecture, payment integrations, and scalable service implementation. ...

Company DescriptionITJob DescriptionRole: Core Java Developer with Multi ThreadingLocation: Toronto, ONDuration: FulltimeBGV will be done for the selected candidates.• Having 7+ years’ of experience in Core Java.• Candidate should have good hands on into Collections, Multithreading, Garbage Collection, memory management in JVM• ...

Company DescriptionCygnus’s vision is to become global leader in Information technology and consulting by delivering excellence to its customers. We understand that we cannot achieve it without our people. Hence, they are the most integral part of our organization. People at Cygnus are committed to help their customers in achieving their goals. Our people...

The Java Developer Analyst is an junior level position within the Markets Treasury Technology team, specifically focusing on the Money Markets domain. The overall objective of this role is to participated in developing applications, systems analysis, architecture, and programming activities, using Java, Spring Boot, and MongoDB in a cloud-native environment....

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

We are seeking a senior Java developer to join our team in a full-time employment capacity. This role requires expertise in Java-based systems, along with experience in audio codec integration, VOIP/ROIP protocols, and mission-critical communication systems. The successful candidate will play a key role in the development and enhancement of applications...

Join Cognizant as a Java Microservices Developer, leveraging Spring Boot and Kafka in a hybrid environment. Drive the development of secure payment solutions that meet enterprise objectives. This hybrid role involves designing and implementing microservices focused on enhancing customer experiences within the cards and payments domain. As a Java...

A tech solutions company in Toronto is looking for a Jr Java Developer with a strong foundation in Java 7/8 and Spring technologies. The candidate should have at least 4 years of experience, excellent understanding of microservice architectures, and the ability to work collaboratively on complex client problems. The role offers a competitive salary between...

08/13/2026 Contract Active Job Description: Job SummaryWe are looking for a Senior Developer with strong hands-on experience in Java and Python development, excellent working knowledge of AWS cloud services, and exposure to DevOps and CI/CD tools. The candidate should be capable of developing automation solutions, creating pipelines, debugging failures, and...

Advance as a Senior Lead Java Full Stack Developer with Citi, where you will drive the development of web applications using top technologies like Java and Angular. In this pivotal role, you will oversee the development of web applications, focusing on creating secure microservices and responsive user interfaces. Collaborate closely with your team to...