Java Technical Lead / Architect

Toronto, ON
On-site
Posted Oct 15, 2026
1 position

$100,000–$120,000 / year

Opens LinkedIn

Employment type: Full-time
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Lead architecture and technical design for Java enterprise applications, including scalable and secure solutions, modernization initiatives, integration patterns, and engineering standards. Provide hands-on technical guidance, review designs and code, resolve complex issues, coordinate with cross-functional teams, and mentor engineering teams.

Job details

Inclusion without Exception Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes. Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service. It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence. Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today. Skills and Responsibilities: Role Summary: Seeking 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 standards. Key Responsibilities Lead end-to-end architecture and technical design for Java-based enterprise applications. Design scalable, secure, resilient, and maintainable application solutions. Provide hands-on technical leadership using Java, Spring Boot, REST APIs, Microservices, and related technologies. Define application architecture, integration patterns, reusable frameworks, and technical standards. Lead Java/JDK upgrades, application modernization, and legacy platform transformation initiatives. Review existing applications and recommend improvements across architecture, performance, security, and maintainability. Conduct design and code reviews and ensure adherence to engineering best practices. Troubleshoot complex technical issues and provide guidance on root-cause analysis and resolution. Collaborate with business, application, infrastructure, security, DevOps, and architecture teams. Provide technical estimates and support solution planning and delivery. Mentor developers and provide technical direction to onshore/offshore engineering teams. Support CI/CD, automated deployments, containerization, and cloud/platform modernization. Evaluate technical dependencies and proactively identify architecture and delivery risks. Ensure solutions comply with enterprise architecture, security, and technology standards. Technical Skills Strong hands-on experience with Java / J2EE Spring, Spring Boot, REST APIs, Microservices Strong knowledge of design patterns, object-oriented design, and enterprise application architecture Experience with application servers/platforms such as JBoss, WebSphere, WebLogic, or Open Liberty Experience with SQL and relational databases Knowledge of Kafka or other messaging/event-driven technologies Experience with Docker, Kubernetes, CI/CD, Git, Maven/Gradle Exposure to Azure, GCP, or AWS is an advantage Strong understanding of API integration, authentication, security, logging, monitoring, and performance optimization Experience with Java modernization/migration initiatives is highly desirable Salary Range - CA$ 100,000 - CA$ 120,000 Per Year TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion. Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources. Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

What you’ll do

Requirements

Requires strong hands-on experience with Java/J2EE, Spring Boot, REST APIs, microservices, enterprise architecture, design patterns, and relational databases. Experience with application servers, messaging technologies, containers, CI/CD, cloud platforms, security, performance optimization, and Java modernization is also sought.