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Added 1 month ago
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VP Senior Applied AI Full-Stack Engineer
Citi
Mississauga, ON
- Full-time
We are seeking a senior technical leader specializing in building high-performance, interactive data visualization platforms and enterprise reporting engines. This is an expert-level role…
Added 26 days ago
AC
Senior Web Back-End Developer
Air Canada Vacations
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
10+ years of professional experience in backend development with a strong focus on Java.
Added 1 month ago
VR
Senior Back-end(Java) Developer
VSG Recruitment
Remote, Canada
- Full-time
- Remote
They are looking for a Senior Java Developer to join their Markets Technology team. This individual will play a key role in designing and developing backend services, APIs, and distributed…
Added 2 months ago
C
Senior Java Developer
Citi
Mississauga, ON
- Full-time
The Senior Java Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in…
Added 1 month ago
Software Engineer, Global Payments Technology (Backend Java Developer)
Scotiabank
Toronto, ON
We are seeking an Intermediate Java Developer to join our agile development team and contribute to the design, development, and maintenance of backend services. The ideal candidate has…
Added 26 days ago
S
Backend/Microservice Engineer
Synechron
Mississauga, ON
- $115,000 to $120,000 CAD / year
- Full-time
Synechron is seeking a Senior Java Backend Developer to support a leading banking client. In this role, you will help design and build the microservices layer that connects a blockchain…
Added 26 days ago
Senior Web Back-End Developer
Vacances Air Canada Vacations / Air Canada Rouge
Montreal, QC
· 10+ years of professional experience in backend development with a strong focus on Java.
Added 26 days ago
Senior Backend Product Engineer, Menu Operations
HelloFresh
Toronto, ON
As we continue evolving this system, extending its capabilities, and preparing for expansion, we are looking for a Senior Software Engineer with strong backend experience, a talent for…
Added 28 days ago
C
Senior Java Full Stack Developer (Core Java, Spring Boot, Oracle) (Hybrid)
Cognizant
Calgary, AB
- Full-time
As a Senior Java Full Stack Developer, you will make an impact by designing, developing, and optimizing enterprise applications that support critical business operations. You will be a…
Added 26 days ago
C
CitiDirect Senior Java Dev for Payments Modernization – Vice President
Citi
Mississauga, ON
- Full-time
We are seeking an experienced Senior Java Backend Developer to join a group modernizing CitiDirect’s Payment architecture. The ideal candidate will have a strong foundation in Core Java and…
Added 26 days ago
A
Senior Software Developer (Data & Backend Development)
Autodesk
Toronto, ON · Montreal, QC · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
26WD100339, Senior Software Developer (Data & Backend Development)
Added 27 days ago
AI
Guidewire Lead Developer
Avanciers Inc.
Toronto, ON
- Contract
Avanciers is seeking a highly skilled Senior Guidewire PolicyCenter Developer to join our team for an exciting Long-Term Contract role with one of our esteemed Fortune 500 clients, based in…
Added 27 days ago
UC
Technical Lead
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
- Contract
Strong technical knowledge of API platforms, event-driven architecture, cloud platforms, enterprise integration, or distributed systems is essential.
Added 27 days ago
Backend Java Lead Developer, Vice President
Citi
Mississauga, ON
Enterprise Integration: Familiarity with messaging/streaming platforms (e.g., Apache Kafka, IBM MQ) and microservices patterns (e.g., API Gateways, Circuit Breakers, Service Mesh).
Added 27 days ago
T
Senior Software Engineer (Back-end/Server)
Trulioo
Vancouver, BC · Toronto, ON
- Full-time
Trulioo is looking for a Senior Software Engineer to lead the architecture and development of high-throughput, low-latency back-end services that power our Document and Biometric…
Added 27 days ago
Machine Learning Developer / Developpeur d'apprentissage automatique
SAP
Montreal, QC
Développe et gère des services dorsaux, des API et des pipelines de données dans Go, Java ou Python.
Added 27 days ago
C
Java Applications Development Lead, Vice President
Citi
Mississauga, ON
- Full-time
The Applications Development Technology Lead Analyst is a senior-level position within the Markets Treasury Technology team, specifically focusing on the Money Markets domain. This role is…
Added 1 month ago
Senior Java Cloud Developer - Landmark
Halliburton
Calgary, AB
We are seeking a Senior Software Engineer to help build and evolve our seismic processing platform. This role is primarily focused on backend engineering, distributed compute systems,…
Added 27 days ago
T
Sr. Lead Engineer, TD Securities
TD
Toronto, ON
- Full-time
…that will be used by Risk Analysts, Front Office Traders, and Senior Executives. As a lead engineer, you will be working on leading an engineering team to pinpoint the system bottleneck,…
Added 28 days ago
A
Senior Lead Software Engineer, Back End (Bangkok based, Relocation provided)
Agoda
Toronto, ON
- Full-time
…state-of-the-art languages like Scala and Go, data technologies like Kafka and Aerospike, and agile development practices. Most importantly though, we hire great people from all around the…
Added 28 days ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
Added 28 days ago
RB
Principal Data Science and AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
Added 28 days ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
Added 28 days ago
M
Senior Software Engineer
Mastercard
Vancouver, BC
- Full-time
Senior Software EngineerJob Description Summary
Added 28 days ago
KS
Technical Consultant – Senior / Lead
Kastech Software Solutions Group
Toronto, ON
- $60 to $70 CAD / hour
- Contract
We are looking for a Senior/Lead Technical Consultant to design, configure, develop, and

Cognizant

Senior Java Full Stack Developer (Core Java, Spring Boot, Oracle) (Hybrid)

Calgary, AB, Canada

The base salary for this position ranges between $ 64,800 – 95,500 per year. · Full-time

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Job details

Pay: The base salary for this position ranges between $ 64,800 – 95,500 per year.
Job type: Full-time
Apply by: Oct 26, 2026
Experience: 7+ years of experience developing enterprise applications using Core Java and Spring Boot
Posting language: English
Posted: Sep 9, 2026

Original job description

About The Role

As a Senior Java Full Stack Developer, you will make an impact by designing, developing, and optimizing enterprise applications that support critical business operations. You will be a valued member of the technology team and work collaboratively with architects, product owners, business analysts, database teams, and fellow engineers to deliver scalable, secure, and high-performing solutions.

In This Role, You Will

Design, develop, and maintain enterprise applications using Core Java, Spring Boot, and React.js to deliver scalable, resilient, and maintainable solutions.
Build and optimize RESTful web services that enable secure, efficient integration between internal platforms and external partners.
Collaborate with product owners, architects, and business stakeholders to translate business requirements into technical solutions and application designs.
Develop and support applications utilizing Oracle databases and Kafka, ensuring performance, reliability, and scalability for high-volume environments.
Implement application deployment, monitoring, and troubleshooting processes within Linux-based environments to maintain system stability and availability.
Conduct code reviews, enforce development best practices, and contribute to continuous improvement initiatives that enhance software quality and delivery efficiency.
Troubleshoot complex application, database, and integration issues, performing root cause analysis and driving timely resolution.
Create and maintain technical documentation, operational procedures, and deployment guidelines to support ongoing application maintenance and support.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring up to 3 days per week in a client or Cognizant office in Calgary- Canada.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future*

What You Need To Have To Be Considered

7+ years of experience developing enterprise applications using Core Java and Spring Boot
Strong experience in Java Full Stack Development.
Strong experience designing and developing and consuming REST Web Services/APIs
Proficiency with React.js and modern front-end development practices.
Experience working with Oracle databases, including query optimization and performance tuning.
Knowledge of Kafka or other event-driven messaging technologies.
Solid understanding of Linux environments, including application deployment, process monitoring, troubleshooting, and operational support.
Experience performing complex problem analysis, root cause investigation, and resolution across application, integration, and database layers.
Strong communication and collaboration skills with the ability to work effectively in a hybrid, cross-functional environment.
Experience deploying, supporting, and troubleshooting applications in Linux environments.

These will help you stand out

Experience implementing application security best practices for APIs and enterprise systems.
Knowledge of automated testing frameworks and DevOps practices.
Experience supporting high-volume, mission-critical enterprise applications.
Familiarity with monitoring, logging, and performance management tools.
Proven ability to mentor developers and drive continuous improvement initiatives across engineering teams.

Canadian Pay Transparency Statement

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $ 64,800 – 95,500 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.

Why Choose Cognizant?

It takes a lot to succeed in today’s fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams! We stand out because we put human experiences at the core. Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical training courses to keep your skillsets fresh and have opportunities to acquire certifications on the newest technologies.

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

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More about this job

Responsibilities

Design, develop, and optimize enterprise applications using Java, Spring Boot, and React.js while building secure RESTful web services and managing Oracle databases and Kafka integrations.

Requirements

Requires over 7 years of experience in Core Java and Spring Boot with proficiency in React.js and Linux environments. Candidates must have strong skills in database performance tuning and complex problem analysis.

Skills

Core Java
Spring Boot
React.js
Oracle Database
Kafka
RESTful Web Services
Linux
Full Stack Development
Query Optimization
Performance Tuning
Root Cause Analysis
Application Security
DevOps
Automated Testing
Technical Documentation
Code Reviews

Benefits

Discretionary annual performance-based bonus
Physical wellbeing benefits
Mental wellbeing benefits
Financial wellbeing benefits
Technical training courses
Certification opportunities

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Spring Boot
React.js
Oracle
Kafka
REST API
Linux
Full Stack
Enterprise Applications
Query Optimization
Performance Tuning
Event-Driven Architecture
DevOps
Automated Testing
Application Security
Root Cause Analysis
Software Quality
Scalability
Resilience
IT Consulting

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