We are seeking a Senior Core Java Engineer to design, develop, and support high-performance, scalable enterprise applications. The ideal candidate will have strong expertise in Core Java, distributed systems, backend engineering, and software design principles. This role involves collaborating with cross-functional teams, driving technical excellence, mentoring junior engineers, and contributing to the architecture and delivery of mission-critical platforms.
Key Responsibilities
Design, develop, test, and maintain robust, scalable, and highly available Java-based applications.
Develop backend services, APIs, and microservices to support business-critical applications.
Participate in system architecture, technical design, and code reviews to ensure high-quality deliverables.
Optimize application performance, scalability, reliability, and security.
Troubleshoot production issues and implement sustainable solutions.
Collaborate with product owners, business stakeholders, architects, and development teams to deliver technical solutions aligned with business objectives.
Contribute to Agile development processes, including sprint planning, estimation, and retrospectives.
Advocate and implement software engineering best practices, coding standards, and development frameworks.
Mentor and guide junior developers, fostering technical growth and knowledge sharing.
Stay current with emerging technologies and recommend improvements to existing systems and processes.
Required Qualifications
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
7+ years of experience in software development with a strong focus on Java.
Strong expertise in Core Java, object-oriented programming, multithreading, collections, concurrency, and JVM internals.
Experience designing and developing enterprise-scale applications and distributed systems.
Strong understanding of software design patterns, data structures, and algorithms.
Experience building RESTful APIs and service-oriented architectures.
Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
Experience with version control tools such as Git.
Familiarity with Linux/Unix environments and scripting.
Strong debugging, troubleshooting, and performance tuning skills.
Excellent communication, analytical, and problem-solving abilities.
Preferred Qualifications
Experience with Spring Boot, Spring Framework, and microservices architecture.
Experience with messaging technologies such as Kafka, RabbitMQ, or JMS.
Familiarity with containerization technologies such as Docker and Kubernetes.
Exposure to cloud platforms including AWS, Azure, or Google Cloud Platform (GCP).
Experience with CI/CD pipelines and DevOps practices.
Knowledge of NoSQL databases such as MongoDB, Cassandra, or DynamoDB.
Experience working in highly regulated or large-scale enterprise environments.
Technical Skills
Core Competencies
Core Java (Java 8/11/17+)
Multithreading & Concurrency
Collections Framework
JVM Performance Tuning
Object-Oriented Design
Data Structures & Algorithms
Design Patterns
Backend Technologies
Spring Boot
REST APIs
Microservices
Hibernate/JPA
Messaging Frameworks
Databases
Oracle
SQL Server
PostgreSQL
MySQL
MongoDB (Preferred)
Tools & Platforms
Git
Jenkins
Maven/Gradle
Docker
Kubernetes
Linux/Unix
AWS/Azure/GCP
Soft Skills
Strong ownership and accountability.
Ability to work independently in a fast-paced environment.
Excellent stakeholder management and collaboration skills.
Strong verbal and written communication abilities.
Ability to translate business requirements into scalable technical solutions.
Effective mentoring and leadership capabilities.
Experience
7+ years of professional software engineering experience
Proven experience building, deploying, and supporting large-scale enterprise applications.
Demonstrated success in delivering high-quality solutions in Agile environments.
Senior Core Java Engineer • Montreal, QC, Canada
A global financial services provider in Montreal seeks a Fullstack Developer for the Dev Ops team.Responsibilities include designing and developing product evolutions with Angular, React, and Java.... Show more
Position: Développeur Backend Senior (Java) - Consultant.Développer et maintenir des services backend robustes en utilisant Java et des frameworks modernes.Contribuer à la conception de solutions e... Show more
Drive technological innovation as a Senior Java Programmer, specializing in finance.Contribute to exciting projects with your expertise and deliver efficient solutions.We are searching for a strong... Show more
In this context, we are looking for a Fullstack developer within the Dev Ops team in Montreal in charge of the SG Workflow product, to the following various aspects:.Design and development of produ... Show more
We have an immediate need for an experienced full-stack developer who is strong in Java and knowledgeable in Angular.Ideal candidates will have extensive, multi-year hands-on experience, an eye for... Show more
Une grande banque à Montréal recherche un développeur senior Java backend pour intégrer et développer des solutions logicielles innovantes.Assurez la qualité par des tests automatisés tout en colla... Show more
A leading consulting firm in Montreal is seeking a Senior Developer to build a resilient and scalable cloud-based settlement platform.This role involves writing clean and efficient code, creating C... Show more
We are seeking a highly experienced Senior Java Developer to join the Ops Tech department.In this pivotal role, you will contribute significantly to the successful delivery of the UPE Phase 2 initi... Show more
US Mobile is building the future of wireless communication.The goal: one unified network open to any person and any device, worldwide.We’re getting there by empowering customers.All three major net... Show more
A technology consulting firm in Montreal is seeking a hands-on technologist to develop Java-based systems.The ideal candidate should have over 6 years of experience with Core Java, Spring Boot, and... Show more
Join a forward-thinking team as a Senior Java Developer in Montreal, focused on enterprise application excellence.Utilize top technologies to drive projects.An exciting opportunity awaits you in Mo... Show more
Join a forward-thinking company as a Senior Software Developer, where you'll be part of a dynamic Core Billing Team.This role offers the chance to develop cutting-edge billing solutions for cloud a... Show more
Join Tundra Technical Solutions as a Senior Java Developer, focusing on high-quality software delivery.You will utilize your expertise in Core Java, Spring Boot, and DB2 for impactful application d... Show more
A leading global investment bank is hiring a Senior Backend Engineer to join a large-scale data engineering environment supporting front-to-back business functions.This role sits within a strategic... Show more
Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry.From indie to AAA, companies partner with Xsolla to he... Show more
A leading technology consulting firm is seeking a Java Software Engineer in Montreal, Quebec.The role requires over 5 years of Java experience, particularly in Microservices and Spring Boot.Success... Show more
A technology leader in emergency communications is looking for a Senior Java Developer to create and maintain VOIP/SIP solutions.This role requires 8+ years of experience in software development, p... Show more
A tech recruitment company in Montreal is seeking a Full Stack Developer to join their team.The role involves designing and maintaining web applications using Java and frontend technologies like Re... Show more
A technology consulting company located in Montreal is seeking an experienced Java developer with 7-15 years of backend development experience.The ideal candidate will have strong analytical skills... Show more
Senior Full Stack Engineer (Java/Spring Boot, Angular, AWS).Remote within Canada (Working EST hours).About the Job (Senior Full Stack Engineer).Hammehr Talent Consultants are currently partnered wi... Show more
