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Posted 19 days ago

Senior Java Back - End Developer - Assistant Vice President

@ Citi Canada Technology Services ULC

Mississauga, Ontario

HybridFull-time5+ years experience
Apply now
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Overview

Citi Canada Technology Services ULC is hiring a Senior Java Back-End Developer (Assistant Vice President) for full-time work. The role leads architecture and delivery of mission-critical, cloud-native microservices and event-driven systems, and mentors senior engineers. The posting states a salary range of $94,300 to $141,500.

Responsibilities:

  • Define and evolve cloud-native system architecture
  • Lead squads through the full SDLC
  • Build core services with Java, Spring Boot and event streaming
  • Architect integrations across databases, caching and event streams
  • Embed AppSec and secure API practices

Requirements summary:

  • 5+ years building enterprise systems, including 5+ years in Java and Spring
  • Delivery of cloud-native, microservices and event-driven architectures
  • Strong expertise in Kafka, Kubernetes, Docker and CI/CD
  • Experience leading design reviews and architectural forums
  • Strong communication and stakeholder management skills

Tools & skills

Source and dates

Employer career site / ATS feed · workday

Employer posting date
2026-10-18
First seen by our source
2026-10-19
Source record updated
2026-11-03

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Experience5+ years
Hours per week40 (estimated)
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (preferred)

Summary and details written by AI from the posting; the employer’s posting is the authority.

Citi Canada Technology Services ULC

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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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