Java Application Developer
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Toronto, ON (Hybrid – 3 days in-office / 2 days remote) Senior Java Engineer to join our growing Core Data Platform team in Toronto. In this role, you will design, build, and optimize high-throughput, low-latency distributed streaming pipelines. You will play a critical part in evolving our real-time data architecture, transitioning legacy batch workflows into highly scalable, event-driven streaming solutions. requiring three days a week in our downtown Toronto office, offering a perfect balance of collaborative in-person whiteboarding and remote flexibility. Pipeline Engineering: Java DataStream and Table/SQL APIs or AWS Kinesis integrated seamlessly with Flink. Performance Tuning: Optimize Flink cluster configurations, manage memory tuning (Managed vs. performance. Partner with Data Science, DevOps, and Product teams to translate complex business analytics into highly performant real-time metrics. 5+ years of professional software engineering experience in backend development, with a minimum of 2+ years of hands-on experience building production pipelines with Java Expertise: Java (Java 11/17+) , including concurrency packages, multithreading, garbage collection tuning, and memory management. Data Fundamentals: Deep understanding of stream processing concepts such as event-time processing, watermarking, late data handling, and tumbling/sliding windows. Familiarity deploying Flink applications into containerized cloud environments ( Kubernetes , AWS, or Managed Flink providers like Ververica/Confluent Cloud). Must be currently living in or willing to relocate to the and able to commute to our downtown office 3 days a week. #
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Java Application Developer
6 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Open Systems Technologies Full-timeSolid 10+ years of experience with Java development Extensive experience in building Distributed / Service Oriented / Microservice-style and cloud based architectures (Amazon, ECS, Docker, OpenShift, Kubernetes) Hands-on experience with rational databases like Oracle, SQLServer Hands-on experience with Linux/Unix Shell Experience and familiarity building...
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Citi Java Applications Development Lead
4 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-timeLead innovative Java applications development at Citi with the Apps Development Technology Lead Analyst role in Mississauga, Ontario. Deliver high-quality software solutions while leveraging Spring Boot, microservices, and cloud technologies. As a pivotal member of the technology team, you will architect and implement advanced application systems. This...
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Senior Java Applications Developer Citi
4 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-timeApply senior Java development expertise to Citi’s Issuer Services Technology applications, using Spring and Angular in a hands-on capacity. Support globally managed business-critical systems. This senior applications development position covers systems analysis, programming, and software delivery. You will collaborate with senior developers while...
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Java Application Development Tech Lead
5 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-timeLead Java application development at Citi in hybrid Mississauga, combining Spring Boot, RESTful APIs, and microservices with application support. This Apps Dev Tech Lead Analyst role requires nine to ten years of Java development experience. You will enhance applications, resolve complex issues, and support releases across enterprise environments. The...
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Java Application Developer
5 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-timeJava DeveloperApply: Hybrid: Mississauga Ontario Canada: Full time: Posted Today: 26991967Citi is looking for a Java Developer (Apps Dev Intermediate Programmer Analyst - C11) to join the technology team and contribute to the development and enhancement of the Citi1Credit platform. In this hands-on engineering role, you will design, build, and maintain...
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Java Application Developer
6 days ago
Toronto, ON, Toronto Census Division, ON; Ontario, Canada Tekshapers Full-timeSeeking an experienced Java Technical Lead / Architect to provide technical leadership and solution architecture for enterprise applications. The role will be responsible for designing scalable solutions, driving application modernization, providing hands-on technical guidance, and ensuring adherence to architecture, security, performance, and coding...
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Java Applications Development Tech Lead
6 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-timeJava development and application support define this full-time Apps Dev Tech Lead Analyst role at Citi, with opportunities to explore AI technologies. Work across global Banking Technology with Spring Boot and microservices expertise. Citi seeks an experienced technology professional for a full-time Apps Dev Tech Lead Analyst position. The role combines...
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Senior Java Applications Development Analyst
6 days ago
Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citi Full-timeSenior Java applications development analyst at Citi, applying enterprise software expertise to complex systems. Work full time across the software development lifecycle. This senior technical professional builds resilient application solutions for business needs and user areas. The work combines core Java, Spring Framework, Oracle RDBMS, microservices, and...
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Mississauga, ON, Peel Regional District, ON; Ontario, Canada Citigroup Inc. Full-time €94,300 - €141,500 TemporaryCiti is looking for a Senior Java Developer to join its Applications Development team, where you will design, build, and own high-performance Java applications that underpin critical financial services at global scale. This is a hands-on technical role where your expertise will directly shape the quality, architecture, and reliability of systems that...
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Java J2EE Application Support Developer
3 days ago
Toronto, ON, Canada Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision! Full-time $100,000 - $120,000 ContractDigital: ReactJS:Core Java Responsibilities Provide ongoing support of Java based applications in Production and test environments, including responding to Service requests, Incident and Problem analysis, Service restoration and recovery, Security vulnerability remediation, Audits and reporting as necessary. Participate in design, develop, test and debug...