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Added 13 days ago
Java developer
Tata Consultancy Services
Toronto, ON · Greater Toronto Area, Canada
$100,000 to $120,000 CAD / year
Full-time
Added 13 days ago
Java Technical Architect
TechDoQuest
Brampton, ON
Contract
We require a Java Technical Architect with extensive hands‑on experience leading and implementing monolithic to microservices migrations. The role involves architecture ownership, hands‑on…
Added 13 days ago
Software Engineer II, Machine Learning - Slack
Slack
Toronto, ON
Full-time
Slack is looking for a Machine Learning Engineer to craft and implement features, services, API methods, and models to leverage our data to make Slack a fabulous, robust, safe, and valuable…
Added 1 month ago
Software Engineer
Providius
Hamilton, ON
$70,000 to $110,000 CAD / year
Full-time
Backend: Java (Spring Boot), Python, Some components in C and C++
Added 27 days ago
Java API Engineer
SIDRAM TECHNOLOGIES
Mississauga, ON
Full-time
Strong hands-on experience with Java and Spring Boot
Added 13 days ago
SQL Database Administrator
Pacer Group
Brampton, ON
$60 to $62 CAD / hour
Contract
Primary Skills: Azure SQL MI, SQL Server DBA, Database Developer, T-SQL, SSIS, SSRS, Azure Data Factory, Always On, Performance Tuning, Azure SQL Managed Instance, Java, Spring Boot, REST…
Added 4 months ago
AWS Solution Architect
CGI
Toronto, ON
Full-time
…expertise is the primary requirement; experience with Python or Java is an added…
Added 2 months ago
Junior Quality Assurance Automation Analyst
CGI
Toronto, ON
Full-time
…will have hands-on experience with Selenium automation using Java and possess a strong understanding of software testing methodologies. This role involves developing automated test scripts,…
Added 14 days ago
Architecte Logiciel
Vaco by Highspring
Montreal, QC
Full-time
Assurer l'intégration et l'interopérabilité des systèmes dans un environnement basé sur les microservices, les API REST, GraphQL et l'architecture orientée événements.
Added 24 days ago
Senior Java Developer
Cognizant
Toronto, ON
Full-time
As a Senior Java Developer, you will make an impact by designing, developing, and maintaining scalable Java-based applications and services that power high-performance, customer-facing…
Added 1 month ago
Application Engineer, Integrations (SAP)
Arc'teryx Equipment
North Vancouver, BC
$80,000 to $100,000 CAD / year
Full-time
You have 5+ years of proven experience as an SAP Integration Developer with a strong foundation in SAP PI/PO, BTP Integration Suite, and API Management
Added 16 days ago
Business Analyst @ TradeBeyond
Karens
Vancouver, BC
Full-time
Familiarity with some or all of these technologies a plus: Java, XML, J2EE, JSON, API
Added 16 days ago
Technical Consultant II/III
Zafin
Toronto, ON
Full-time
Configure, customize, and develop backend, frontend, API, integration, reporting, automation, workflow, and data processing components.
Added 21 days ago
Applications Architect Senior
Joblinxsapp
Toronto, ON
Full-time
Added 3 months ago
Senior Security Analyst - Cyber Security - Regular Full-Time - 2026-17134 (2026-17134)
Sunnybrook
Toronto, ON
Full-time
Understanding of Windows, UNIX and Linux operating systems VB.NET, Java/J2EE, ColdFusion, API/web services, scripting languages and a relational database management system (RDBMS) such as…
Added 17 days ago
QA Automation Engineer (UI + API Automation)
Cognizant
Toronto, ON
$70,000 to $90,000 CAD / year
Full-time
Programming & Frameworks: Strong hands-on Java automation experience.
Added 17 days ago
Full Stack Software Developer (Java React Native)
isgSearch
Toronto, ON · Greater Toronto Area, Canada
Full-time
Our Government client is seeking an experienced Full Stack Software Developer with strong expertise in web and mobile application development. The successful candidate will design, develop,…
Added 17 days ago
Senior Software Engineer
PointClickCare
Mississauga, ON
$142,000 to $158,000 CAD / year
Full-time
Experience writing clean code that performs well at scale using Java
Added 17 days ago
Intermediate AI Engineer (ID#5518)
New Value Solutions
Richmond, BC
Contract
5+ years of software development experience using technologies such as C#, .NET, Python, Java, JavaScript/TypeScript, or equivalent.
Added 21 days ago
Software Developer - Full Stack - Senior
Joblinxsapp
Toronto, ON
Full-time
We are seeking a highly skilled Full Stack Software Developer to design, develop, and maintain scalable, high-performance web applications. The ideal candidate will work within an Agile…
Added 17 days ago
Quality Assurance Engineer
Paymentus
Richmond Hill, ON
$70,000 to $100,000 CAD / year
Full-time
Perform various types of testing such as functional, UI, accessibility, API, and performance testing.
Added 17 days ago
Architecte logiciel
Highspring
Montreal, QC
Full-time
Added 17 days ago
Solutions Architect – Digital Identity, Telco & Data Platforms
EnStream LP
Toronto, ON
Full-time
Produce architecture diagrams, technical specifications, sequence diagrams, API contracts, and architecture decision records as required.
Added 17 days ago
Mobile Developer
EnStream LP
Toronto, ON
Full-time
Write and own developer-facing documentation - integration guides, API reference, migration notes, and troubleshooting runbooks.
Added 12 days ago
Lead Software Engineer (JAVA, API)
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
Full-time
Expert-level knowledge of Java and Spring Boot

Sun Life

Lead Software Engineer (JAVA, API)

Toronto, ON, Canada
Waterloo, ON, Canada
Sun Life Toronto One York, Canada

Job type: Full-time
Apply by: Sep 25, 2026
Experience: Minimum 8 to 10 years of progressive information technology experience with full application development life cycle and systems integration experience
Posting language: English
Posted: Sep 9, 2026

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Original job description

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.

At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.

When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.

Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

Lead Software Engineer - Squad Tech Lead

Our teams are dedicated to supporting, enhancing and discovering new ways to help our clients achieve lifetime financial security, live healthier lives and connect with us. Through innovation and collaboration, we're striving to deliver best-in-class technology solutions for our digital clients.

We are currently seeking a Squad Tech Lead to provide technical design, development, support and analysis for large-scale applications and systems in a new agile team within the Canadian IT Platforms and Engineering team. This permanent role combines hands-on technical work with leadership responsibilities. The successful candidate is a team player with excellent technical and problem-solving skills, is aware of industry trends, questions the status quo and can identify and propose alternatives. Come join us as we continue to intensify the focus on our digital journey, building APIs and improving our client experience.

What will you do?

Collaborate with skilled Agile team members to understand user needs and design, develop and deliver high quality web applications that meet those needs
Configure and design applications and workflows, using outside the box thinking, to create innovative ways to advance our client first strategy
Lead AI-assisted development practices, leveraging GitHub Copilot and other AI coding tools to accelerate development velocity and improve code quality
Design, develop, and integrate AI agents and conversational interfaces to enhance application capabilities and deliver intelligent automation solutions
Champion secure coding practices and lead efforts to identify, prioritize, and remediate application security vulnerabilities using SAST/DAST tools
Conduct security code reviews and ensure compliance with security standards and best practices throughout the development lifecycle
Coach, mentor and collaborate with members of the design and development team
Provide technical direction and guidance to projects, ensuring risks are mitigated and projects are implemented successfully
Establish coding standards and technical best practices across the squad
Conduct code reviews and mentor team members on technical excellence
Support developers in removing technical blockers and guide technical implementation of user stories and features
Communicate technical risks, dependencies, and constraints to stakeholders
Participate in planning and refinement sessions with technical perspective and collaborate with Product Owner on technical feasibility and estimates
Drive quality standards and testing practices; identify technical debt and propose solutions
Monitor system performance and reliability and champion continuous improvement initiatives
Contribute to defining timelines and plans; analyze and estimate feasibility, cost, time and scope
Ensure coding, testing, debugging, and implementation activities are completed as required
Participate in agile ceremonies and support on-call and incident response when needed
Represent the squad's technical interests in cross-squad discussions and collaborate with other Tech Leads across squads for consistency

What you need to succeed ?

Minimum 8 to 10 years of progressive information technology experience with full application development life cycle and systems integration experience
Demonstrated experience leading and mentoring teams of developers
Proven experience with AI-assisted development tools, particularly GitHub Copilot, and ability to train teams on effective AI pair programming techniques
Hands-on experience designing, developing, and deploying AI agents using agent orchestration platforms
Working knowledge of Large Language Models (LLMs), prompt engineering, and integrating AI APIs
Experience building conversational interfaces, chatbots, or intelligent automation solutions that enhance user experiences
Good application security knowledge with demonstrated experience identifying and remediating security vulnerabilities (OWASP Top 10, SQL injection, XSS, CSRF, authentication/authorization flaws)
Hands-on experience with security scanning tools (e.g., SonarQube, Checkmarx, Snyk, Veracode) and implementing security fixes
Understanding of secure SDLC practices, threat modeling, and security testing methodologies
Expert-level knowledge of Java and Spring Boot
Strong experience with Microservices and API Development
Advanced understanding and hands-on experience with front-end development, particularly React and Web Accessibility
Containerization experience with Docker and Kubernetes
Advanced overall understanding of Web applications and server technologies
Working experience with middleware technologies, web and web hosting technologies
Experience with Kafka
Proficiency with SOAP/XML, REST/JSON
Experience with Unit testing tools (e.g., JUnit, Mockito, RESTAssured)
Hands-on experience using DevOps tools (BitBucket, CDD, Jenkins)
Understanding of JavaScript and JQuery
Ability and desire to lead with excellent communication skills

Special Requirements

Periodic weekend/after-hours work may be required to support project implementations and system upgrades

What’s in it for you?

We are thrilled to be recognized by Excellence Canada with their top-level certification, the Canada Order of Excellence for Mental Health at Work®, for prioritizing employee well-being, fostering a positive work culture, and achieving excellence in mental health.
Wellness programs that support the three pillars of your health – mental, physical, and financial
The opportunity to move along a variety of career paths with amazing networking potential.
As a hybrid organization, you and your leader use business and Client needs to choose where you work, at home or in the office

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to [email protected].

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

Salary Range:

90,000/90 000 - 140,000/140 000

Job Category:

IT - Application Development

Posting End Date:

24/09/2026

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More about this job

Responsibilities

The Squad Tech Lead will provide technical design, development, and analysis for large-scale applications while leading AI-assisted development practices. They will also mentor team members, ensure secure coding standards, and collaborate with stakeholders to deliver high-quality digital solutions.

Requirements

Candidates must have 8 to 10 years of progressive IT experience with a strong background in Java, Spring Boot, and microservices architecture. Proficiency in AI-assisted development tools, application security, and leading technical teams is essential for this role.

Skills

Java
Spring Boot
Microservices
API Development
React
GitHub Copilot
AI Agents
Large Language Models
Docker
Kubernetes
Kafka
SQL
Web Accessibility
DevOps
Agile
Security Code Review

Benefits

Wellness programs
Mental health support
Physical health support
Financial health support
Career development opportunities
Networking opportunities

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Microservices
API
React
GitHub Copilot
AI Agents
LLM
Docker
Kubernetes
Kafka
DevOps
Agile
OWASP
SonarQube
Checkmarx
Snyk
Veracode
Web Accessibility
REST
SOAP
JUnit
Mockito
JavaScript
JQuery
Technical Leadership
Software Engineering
System Integration
Secure SDLC
Cloud

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