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Added 6 days ago
A
Software Dev Engineer II, 3P AV Measurement
Amazon
Toronto, ON
- Full-time
…applications, tools, systems, and services using: C#, C++, Java, or Perl…
Added 6 days ago
C
Senior Java Developer Solution Architect - Vice President
Citi
Mississauga, ON
- Full-time
We’re seeking a seasoned Senior Java Developer Solution Architect with 6+ years of experience to lead end-to-end technical design and delivery of mission‑critical systems. You will own…
Added 6 days ago
I
Senior Software Developer, Full-Stack
Intuit
Toronto, ON
- Full-time
The ideal candidate is an experienced full stack Software Developer who is proficient with JavaScript/TypeScript, Java, and familiar with AI powered development tools. This Senior Software…
Added 6 days ago
H
Mobile Engineer
HCLTech
Vancouver, BC
- $80,000 to $90,000 CAD / year
- Full-time
5+ years working on any high-level programming language such as Python (Preferred) or Java
Added 6 days ago
G
Automation Engineer
Genpact
Calgary, AB
- $70,000 to $80,000 CAD / year
- Full-time
Architect, design, and implement robust test automation solutions using Java, Selenium, and API testing frameworks to ensure the reliability, scalability, and performance of software…
Added 6 days ago
R&
Level IV Quality Engineer (QE)
Robertson & Company Ltd.
Toronto, ON
- Contract
Test automation frameworks and scripting (Java, JavaScript, or Python)
Added 6 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 6 days ago
AS
Full Stack Designer
Apex Systems
Toronto, ON
- $65 to $75 USD / hour
- Full-time
…practice has an opening for a Full Stack Designer with strong Java, Spring Boot, microservices, and application-design experience to support a Top Five…
Added 6 days ago
KG
Java Backend & Integration Engineer (Quarkus & XML/XSLT)
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
Position: Java Backend & Integration Engineer (Quarkus & XML/XSLT)
Added 6 days ago
KG
Senior Java Integration Developer – Quarkus, XML/XSLT & MQ
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Role : Senior Java Integration Developer – Quarkus, XML/XSLT & MQ
Added 6 days ago
I
Sterling integrator administration Consultant
Infosys
Mississauga, ON
- Full-time
Added 6 days ago
KG
Java Application Developer
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
We are seeking an experienced Application Developer with strong expertise in Java Backend Development, Quarkus, XML/XSLT Processing, and Enterprise Integration. The ideal candidate will…
Added 6 days ago
T
Quality Engineer I
TD
Toronto, ON
- Full-time
Build automation using Selenium, Karate, REST Assured, Appium, Cucumber, and Java.
Added 6 days ago
C
Senior Java Back - End Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
We’re seeking a seasoned Senior Java Back - End Developer with 5+ years of experience to lead end-to-end technical design and delivery of mission‑critical systems. You will own architecture…
Added 6 days ago
R
Principal AI Engineer, AI DLC Platform
RBC
Toronto, ON
- Full-time
Software engineering depth: proficiency in Python, Java or C++ with strong engineering fundamentals.
Added 6 days ago
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Principal AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
Deep architectural expertise across multiple languages (Python, Java) and AWS services, with hands-on ability to design scalable solutions
Added 6 days ago
KR
Spring Boot Technical Lead
KTek Resourcing
Montreal, QC
- Contract
Design, develop, and maintain scalable applications using Java, JavaScript, and Spring Boot frameworks.
Added 6 days ago
C
Consultant, Back End Developer
CIBC
Toronto, ON
- Full-time
…of system integration and patterns. As a Consultant Back End Developer, you first need to be an expert programmer. You will lead development and implementation of solutions to main Digital…
Added 6 days ago
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Spécialiste en automatisation manufacturière / Manufacturing Automation Specialist
RTX
Longueuil, QC
- Full-time
Maîtrise des langages de programmation (C#, Java, Python);
Added 6 days ago
Rust Developer
Charger Logistics Inc
Brampton, ON
We’re looking for a hands-on Rust Developer to build fast, reliable, memory-safe backend systems. You’ll design and write production Rust services, improve performance, and work closely…
Added 6 days ago
SI
Java Full Stack Developer
Spait Infotech
Canada
- Full-time
Build backend services and RESTful APIs using Java and Spring Boot.
Added 6 days ago
A
RQ11600 - Senior Software Developer
Amyantek
Toronto, ON · Greater Toronto Area, Canada
- Contract
Job Title: RQ11600 - Senior Software Developer - Full Stack - 3 Resources
Added 6 days ago
RC
Senior QA Engineer
Rexall Care Network
Mississauga, ON
- Full-time
Proficiency in at least one programming or scripting language (e.g., Python, Java, JavaScript / TypeScript) is sufficient to design, write, and maintain production-grade automation code.
Added 6 days ago
KI
Co-op/Intern Visual Designer
Kinaxis Inc.
Ottawa, ON
- Internship
Understanding of Web UI standards, responsive design frameworks (basic HTML, CSS, and Java script knowledge is a plus), environmental graphics, and/or production process
Added 6 days ago
T
Senior IBM ACE / IIB Integration Developer (.NET & PowerShell)
ThoughtStorm
Toronto, ON
- Contract
We are seeking a Senior Software Developer to support the sustainment and enhancement of critical police systems for the Public sector client.

Citi

Senior Java Back - End Developer - Assistant Vice President

Mississauga, ON, Canada

$94,300.00 - $141,500.00 · Full-time

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Job details

Pay: $94,300.00 - $141,500.00
Job type: Full-time
Apply by: Dec 28, 2026
Posting language: English
Posted: Oct 19, 2026

Original job description

Role Summary

We’re seeking a seasoned Senior Java Back - End Developer with 5+ years of experience to lead end-to-end technical design and delivery of mission‑critical systems. You will own architecture decisions, drive engineering excellence, mentor senior engineers, and partner with product, security, and platform teams to build scalable, reliable, and secure distributed systems.

Key Responsibilities:

Architecture & Design
- Define and evolve system architecture for cloud-native, microservices/event-driven platforms (scalability, resilience, security, cost).
- Create high-level and low-level designs, integration patterns, API contracts, and reference implementations.
- Lead design reviews; ensure alignment with domain-driven design (DDD), 12‑factor principles, and organization standards.
Engineering Leadership
- Lead squads through full SDLC - from discovery and PoCs to production and SRE handoff.
- Establish coding standards, code review practices, and secure-by-default patterns.
- Mentor and coach senior engineers; support career growth and succession of technical leaders.
Hands-on Development
- Build core services using Java (17+), Spring Boot, REST/GraphQL, and message/event streaming.
- Optimize for performance, concurrency, observability, and operational excellence (SLOs, error budgets).
- Drive quality with unit/integration/contract testing, test data strategy, and automated quality gates.
Cloud & Platform
- Design for AWS/Azure/GCP, container orchestration (Kubernetes), service mesh, and CI/CD.
- Implement infrastructure-as-code (IaC) patterns and secrets management.
- Partner with SRE/Platform teams on monitoring, alerting, logging, tracing, and cost governance.
Data & Integration
- Architect integrations across SQL/NoSQL, caching (Redis), and event streams (Kafka/Pulsar).
- Define data contracts, schema evolution strategies, and idempotent/eventual consistency patterns.
Security & Compliance
- Embed AppSec best practices, OWASP controls, secure API/auth (OAuth2/OIDC), and zero trust patterns.
- Ensure compliance with regulatory and audit requirements where applicable.
Stakeholder Partnership
- Translate business needs into technical roadmaps and architecture runway.
- Communicate trade-offs and decisions to both technical and non-technical audiences.
GenAI : Knowledge of MCP, A2A, Agentic Architecture

Required Qualifications:

5+ years of progressive experience building enterprise systems, with 5+ years in Java and Spring at scale.
Proven delivery of cloud-native, microservices, and event-driven architectures.
Strong expertise in:
- Java 11/17+, Spring Boot, Spring Cloud
- REST/GraphQL APIs, gRPC (nice-to-have)
- Kafka (or Pulsar), Kubernetes, Docker
- RDBMS (PostgreSQL/MySQL/Oracle) and NoSQL (MongoDB/Cassandra/DynamoDB)
- Caching (Redis), CI/CD (GitHub Actions/Azure DevOps/Jenkins), IaC (Terraform/ARM)
- Observability (OpenTelemetry, Prometheus/Grafana, ELK), feature flags/progressive delivery
Solid grasp of concurrency, performance tuning, resiliency patterns (circuit breakers, retries, bulkheads), and fault-tolerance.
Demonstrated leadership of architectural forums, design reviews, and mentorship.
Strong communication and stakeholder management skills.

Nice-to-Have:

Domain knowledge: Payments, banking, capital markets, insurance, e-commerce, supply chain, or telecom.
Security: Threat modeling, shift-left security, SAST/DAST, secrets rotation, mTLS.
Data: CDC (Debezium), schema registry, exactly-once semantics, streaming ETL.
Platform: Service mesh (Istio/Linkerd), API gateways (Kong/Apigee), Serverless (Lambda/Functions).
Modern patterns: CQRS, event sourcing, Saga orchestration, hexagonal architecture.

Education:

Bachelor’s degree/University degree or equivalent experience

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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More about this job

Responsibilities

Lead the end-to-end technical design and delivery of mission-critical, scalable, and secure distributed systems. Mentor senior engineers while driving engineering excellence and architectural decisions across the full software development lifecycle.

Requirements

Requires 5+ years of progressive experience in enterprise systems with deep expertise in Java and Spring Boot. Proven track record in cloud-native, microservices, and event-driven architectures is essential.

Skills

Java
Spring Boot
Microservices
Cloud-native architecture
Event-driven architecture
Kubernetes
AWS
Azure
GCP
Kafka
REST
GraphQL
CI/CD
Infrastructure-as-code
System design
Mentorship

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Microservices
Cloud-native
Event-driven
Kubernetes
AWS
Azure
GCP
Kafka
REST
GraphQL
Terraform
CI/CD
PostgreSQL
NoSQL
Redis
OpenTelemetry
Prometheus
Grafana
Domain-driven design
SDLC
AppSec
OAuth2
Zero trust
Distributed systems
Architecture
Mentorship
Payments
Banking

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