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Added 2 days ago
M
Staff Software Engineer - Core Edge Processing
Marqeta
Remote, Canada
- Full-time
- Remote
A Java expert with strong fundamentals in concurrency, performance, and building reliable systems at scale
Added 2 days ago
M
Senior Full Stack Engineer, Customer & Cardholder Experiences
Marqeta
Remote, Canada
- Full-time
- Remote
Experience in developing applications with modern Java backend stack using Spring Boot and Kubernetes on AWS.
Added 2 days ago
C
Consultant, Java Back End Developer
CIBC
Toronto, ON
- Full-time
…reliable, and client-focused digital experiences. As a Consultant, Java Back End Developer, you'll play a hands-on role in designing, developing, and implementing enterprise-scale…
Added 2 days ago
C
Consultant, Java Back End Developer
CIBC
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…reliable, and client-focused digital experiences. As a Consultant, Java Back End Developer, you'll play a hands-on role in designing, developing, and implementing enterprise-scale…
Added 2 days ago
M
Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
Canada
- Full-time
…reporting in telecom and contact center environments. You will use Java and Spring Boot to deliver scalable services, React with TypeScript to create intuitive workforce applications, and…
Added 2 days ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
High proficiency in at least one backend object-oriented programming language (Python or Java preferred)
Added 2 days ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
High proficiency in at least one backend object-oriented programming language (Python or Java preferred)
Added 2 days ago
C
Software Developer Coop
CAE
Montreal, QC
- Full-time
As an intern within the Developer Platform team, you may contribute to different types of initiatives related to agentic AI, automation, development platforms, and the improvement of…
Added 2 days ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
We are seeking a highly skilled and passionate Senior Java Backend Developer to join our engineering team as a Senior Individual Contributor. In this role, you will be responsible for…
Added 2 days ago
Unix/Linux Developer – Application Modernization
Capco
Toronto, ON
Capco is looking for a Unix/Linux Developer to support a major application modernization initiative focused on upgrading legacy applications, Unix scripts and their supporting technology.
Added 2 days ago
AI
Staff Engineer
Atlantis IT Group
Toronto, ON
- Contract
Good years of backend development experience in Java or Python
Added 2 days ago
C
Software Developer Coop-EN
CAE
Montreal, QC
- Full-time
As an intern within the Developer Platform team, you may contribute to different types of initiatives related to agentic AI, automation, development platforms, and the improvement of…
Added 2 days ago
Senior Java Developer – Application Modernization
Capco
Toronto, ON
Capco is looking for a Senior Java Developer to join a major technology modernization initiative focused on upgrading business-critical legacy applications and their supporting technology.
Added 2 days ago
YI
Software Developer - Internal Automation
YuJa Inc.
Toronto, ON · North York, Ontario
- $80,000 to $90,000 CAD / year
- Full-time
We're looking for a Software Developer - Internal Tools who combines strong software engineering fundamentals with hands-on experience managing internal systems and infrastructure. In this…
Added 2 days ago
RD
Full Stack Engineer
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Full Stack Developer & Senior Full Stack Developer (IoT & Cloud Solutions)
Added 2 days ago
Senior Software Engineer, Full-Stack Applications - Python
Fitch Group
Toronto, ON
Modern technology stack – Work with Java, Python, React, AWS, Kubernetes, and emerging AI technologies
Added 2 days ago
OS
Java Application Developer
Open Systems Technologies
Mississauga, ON
- Contract
Solid 10+ years of experience with Java development
Added 2 days ago
Senior Software Engineer, Data Platform
Okta
Toronto, ON
Proficient in at least one language while comfortable in more than one of the backend languages, preferably Java or Typescript, Ruby, GoLang, Python.
Added 3 days ago
C
Java Integration Developer
CGI
Halifax, NS
- Full-time
CGI is seeking an experienced Java Integration Developer to join our growing team. In this role, you will design, develop, and support enterprise integration solutions that connect…
Added 3 days ago
M
Senior Software Engineer - Card Network Integration
Marqeta
Remote, Canada
- Full-time
- Remote
Experience developing in Java and/or Python, however we welcome experience in other programming languages.
Added 3 days ago
IF
Lead Full Stack Developer
iA Financial Group (Industrial Alliance)
Quebec, QC
- Full-time
…confident and secure about their future? As a Lead Full Stack Developer, you will play a key role in the analysis, development, integration, testing, and evolution of robust digital…
Added 3 days ago
PC
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
Pwc Canada
Toronto, ON · Calgary, AB · Ottawa, ON · Vancouver, BC
- Full-time
…Application Security); configure secure baselines; perform cloud and Kubernetes security architecture reviews and…
Added 3 days ago
LI
VP of Engineering
Lasso Informatics
Montreal, QC
- Full-time
Added 3 days ago
PC
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
PwC Canada
Ottawa, ON
- Full-time
…Application Security); configure secure baselines; perform cloud and Kubernetes security architecture reviews and…
Added 3 days ago
SG
V.I.E. Programmer Analyst
Societe Generale
Montreal, QC
- Full-time
Languages: Java, Spring Boot, Typescript (Angular), SQL, scripting languages.

Capco

Senior Java Developer – Application Modernization

Toronto, ON, Canada

$118,000 - $152,000 CAD

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Job details

Pay: $118,000 - $152,000 CAD
Experience: 8+ years of Java development experience with extensive back-end expertise across Java/J2EE, including Core Java, multi-threading, Collections, JDBC, Maven and Ant.
Posting language: English
Posted: Oct 6, 2026

Original job description

Modernize business-critical Java platforms and help shape the next generation of financial markets technology.

The Role

Capco is looking for a Senior Java Developer to join a major technology modernization initiative focused on upgrading business-critical legacy applications and their supporting technology.

This is a hands-on back-end engineering role for someone with deep Java experience who enjoys solving the challenges that come with modernizing established platforms. You’ll help refactor and migrate legacy Java 6/8, JBoss and Struts applications towards modern Java frameworks and deployment environments, including JDK 17, Spring Boot, OpenShift, Kubernetes and AWS.

You’ll work across the full development lifecycle, helping ensure applications remain secure, reliable and fully functional throughout the modernization journey.

What You’ll Do

Modernize and refactor legacy Java 6/8, JBoss and Struts applications, supporting migration to JDK 17, Spring Boot and newer JBoss EAP environments.
Design, develop and enhance Java back-end services while contributing to TypeScript components and modern microservices-based architectures.
Containerize and deploy applications using Docker, OpenShift and Kubernetes, with deployment into AWS environments including ECS/EKS.
Integrate applications with enterprise authentication and SSO solutions such as Okta, including implementations using Spring SAML.
Deliver across the Agile software development lifecycle, from technical design and development through testing, CI/CD, deployment and production release.

What We’re Looking For

8+ years of Java development experience with extensive back-end expertise across Java/J2EE, including Core Java, multi-threading, Collections, JDBC, Maven and Ant.
Demonstrated experience upgrading and refactoring legacy Java applications, particularly Java 6/8, JBoss and Struts environments, with experience of Spring Boot and modern Java/JDK versions.
Hands-on experience with TypeScript and containerized application environments using Docker, OpenShift and Kubernetes, alongside AWS and DevOps practices.
Experience with relational databases including Oracle, MS SQL Server and DB2, including T-SQL, stored procedures and jobs, plus experience across Linux, Unix and Windows environments.
Experience delivering software using Agile practices and modern CI/CD tooling, including Git, Bitbucket, Jenkins and JIRA.

Bonus Points For

Experience with J2EE technologies including EJBs (Session, Entity and Message Driven Beans), JTA, Filters and Servlets.
Experience with PostgreSQL.
Experience modernizing Unix scripts and associated application dependencies as part of wider platform modernization.
Experience developing software for financial services, financial markets or accounting platforms.
Experience delivering complex application migrations while maintaining application stability and continuity.

Why Join Capco

Deliver high-impact technology solutions for Tier 1 financial institutions.
Work in a collaborative, flat, and entrepreneurial consulting culture.
Access continuous learning, training, and industry certifications.
Be part of a team shaping the future of digital financial services.
Help shape the future of digital transformation across FS & Energy.

Benefits

We offer a competitive, people-first benefits package designed to support every aspect of your life:

Comprehensive Benefits Coverage – 100% company-paid health, life, and disability insurance effective from Day 1 of employment.
Retirement Savings Program – Registered Retirement Savings Plan (RRSP) with the option of receiving a matching employer contribution.
Virtual Health Care & Support – Company-paid virtual health care and Employee & Family Assistance Program (EFAP) available to employees and their dependents/partners.
Family & Wellness Support – Parental Leave Top-Up, a New Parent Gift and fitness reimbursement to support health and well-being.
Career Development – A Business Coach from Day 1, providing personalized one-on-one coaching to support career growth, accelerate development and help you achieve your professional goals at Capco.

Inclusion at Capco

We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.

Use of Artificial Intelligence in Talent Acquisition

At Capco, we use artificial intelligence (AI) tools to support and enhance several parts of talent acquisition. This includes using AI-enabled features within LinkedIn to help source potential candidates, speeding up routine recruitment communications such as emails and creating compelling and brand-aligned job postings that accurately reflect role requirements, and AI-scheduling applications to improve the efficiency of interview coordination.

AI is used as a support tool only. All hiring decisions are made by talent acquisition and hiring teams.

Why This Role Is Open

We are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact.

Pay Transparency

The salary range for this position is listed below. Additionally, this position may also be eligible to receive an annual discretionary/variable bonus payment.

Capco is committed to providing fair and equitable compensation to our people. Our compensation policies and salary ranges are designed to allow our people to progress through the salary range as they demonstrate strong performance and develop in their role over time. The base pay offered to selected candidates will be within the salary range and the placement will vary based upon a variety of factors, including, but not limited to job-related knowledge, skills, experience and internal equity.

Canada Pay Transparency

$118,000 - $152,000 CAD

Apply About employer

More about this job

Responsibilities

Modernize and refactor legacy Java applications by migrating them to modern frameworks like Spring Boot and cloud-native environments. Design and develop back-end services while ensuring application stability and security throughout the migration lifecycle.

Requirements

Requires 8+ years of extensive Java development experience with expertise in legacy system refactoring and modern cloud technologies. Candidates must demonstrate proficiency in Java/J2EE, containerization tools, and Agile development practices.

Skills

Java
Spring Boot
OpenShift
Kubernetes
AWS
TypeScript
Docker
Microservices
JBoss
Struts
Agile
CI/CD
Oracle
SQL Server
Linux
Unix

Benefits

Health insurance
Life insurance
Disability insurance
Retirement savings program
Virtual health care
Employee and family assistance program
Parental leave top-up
New parent gift
Fitness reimbursement
Career development coaching

Visa sponsorship

Not detected in the job text

Keywords

Java
Application Modernization
Spring Boot
OpenShift
Kubernetes
AWS
TypeScript
Docker
JBoss
Struts
Microservices
Agile
CI/CD
Oracle
SQL Server
Linux
Unix
Financial Services
Backend Engineering
JDK 17
Maven
Ant
Git
Bitbucket
Jenkins
JIRA
SAML
Okta
T-SQL
Consulting

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