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Added 5 days ago
TR
Senior Software Engineer
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
- Full-time
…infrastructure that supports them. You will work primarily with Java, Spring Boot, AWS, PostgreSQL, CI/CD and Infrastructure as Code, taking ownership of solutions from development through…
Added 5 days ago
G
Lead Full Stack Developer with Agentic AI
Galent
Toronto, ON
- Contract
Role : Sr Full Stack Developer with Agentic AI
Added 5 days ago
Principal Software Developer
Aspen Technology
Montreal, QC
AspenTech is looking for a talented and experienced Developer with Quality background to join our Enterprise Operations Platform (EOP) organization. In this role, you will be responsible…
Added 5 days ago
E
Sr. Software Engineer - Backend
eBay
Toronto, ON
- Full-time
Design, develop, and operate scalable backend services, APIs, and distributed systems using technologies such as Java, Spring Boot, and REST.
Added 5 days ago
TC
Java Software Engineer
TechNeptune Consulting Inc.
Canada
- Contract
Maintain API documentation and support Java, Spring Boot, and Camel upgrades.
Added 5 days ago
TT
Senior Java / J2EE Developer
Tamanna Technology
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are seeking an experienced and detail-oriented Java / J2EE Developer to join our development team. In this role, you will design, develop, and maintain high-performance enterprise…
Added 5 days ago
LM
Software Engineer
Lockheed Martin
Dartmouth, NS
- Full-time
Software development, primarily using Java and containerization tools like Kubernetes
Added 5 days ago
SM
RQ11600 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in n-tier web-based applications, Java EE (J2EE), database technologies, cloud-native technologies, front-end…
Added 5 days ago
L
Senior Technical Program Manager
lululemon
Vancouver, BC
- Full-time
Added 5 days ago
RB
Principal AI Engineer, AI DLC Platform
Royal Bank of Canada
Toronto, ON
- Full-time
CI/CD and infrastructure: Demonstrated mastery of CI/CD pipelines, container orchestration (Docker/Kubernetes) and infrastructure-as-code; proven work with enterprise platforms (e.g.…
Added 5 days ago
SM
RQ11600 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in n-tier web-based applications, Java EE (J2EE), database technologies, cloud-native technologies, front-end…
Added 5 days ago
O
Software Developer
OpenText
Waterloo, ON
- Full-time
Looking for a smart and motivated senior backend/Java developer to join our Digital Media team, working on the leading enterprise-level Digital Asset Management solutions. We are an agile…
Added 5 days ago
BR
Java Software Engineer
Benchmark Recruitment
Vancouver, BC · Greater Vancouver Metropolitan Area
- $63 to $73 CAD / hour
- Contract
Job Title: Senior Java Backend Engineer – Cloud & Data
Added 5 days ago
P
Senior Applied AI Developer
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
Python · Java · SQL · PySpark · AWS (EKS, SageMaker, Bedrock, Agentcore, DynamoDB, Elasticache, Lambda, LoadBalancer, Glue, Kinesis, S3) · Kubernetes · Docker · Snowflake · SnowPark ·…
Added 5 days ago
SS
Développeur(euse) logiciel senior Full Stack/Full Stack Senior Software Developer
SITA Switzerland Sarl
Montreal, QC
- Full-time
Full Stack Senior Software Developer manages the technical design, development and maintenance of applications and systems using existing and emerging technology platforms. Key player for…
Added 5 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 5 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 5 days ago
R
Principal AI Engineer, AI DLC Platform
RBC
Toronto, ON
- Full-time
CI/CD and infrastructure: Demonstrated mastery of CI/CD pipelines, container orchestration (Docker/Kubernetes) and infrastructure-as-code; proven work with enterprise platforms (e.g.…
Added 5 days ago
C
Consultant, Back End Developer
CIBC
Toronto, ON
- Full-time
You can demonstrate experience in: Java/J2EE, Spring/Springboot, Web Services (SOAP, JSON and RESTFul). Proven and solid hands-on experiences in Microservices and API development in an…
Added 5 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 5 days ago
SI
Java Full Stack Developer
Spait Infotech
Canada
- Full-time
Build backend services and RESTful APIs using Java and Spring Boot.
Added 5 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 5 days ago
CL
Rust Developer
Charger Logistics Inc.
Brampton, ON
- Full-time
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
W
Senior Developer - Commercial Technology
WestJet
Calgary, AB
- Full-time
The Senior Developer, Commercial Technology is responsible for designing, building, optimizing, and supporting scalable technology solutions across Commercial Tech Services with primary…
Added 6 days ago
FI
Software Engineer (Java API Developer)– Large-Scale File Storage & Delivery
Fierceli Inc, MBE, SBE
Canada
- Contract
Proficiency in Java and associated build tools (e.g., Bazel, Gradle, Maven)

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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