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Senior Java Developer Solution Architect - Vice President

Job in Mississauga, Ontario, Canada
Listing for: 08763 Citi Canada Technology Services ULC
Full Time position
Listed on 2026-08-09
Job specializations:
  • Software Development
    Software Architect, Backend Developer, Cloud Engineer - Software, DevOps
Job Description & How to Apply Below

Role Summary

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 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/No

    SQL

    , caching (Redis), and event streams (Kafka/Pulsar).

    Define data contracts
    , schema evolution strategies, and idempotent/eventual consistency patterns.

  • Security & Compliance

    Embed App Sec 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:

  • 6+ years of progressive experience building enterprise systems, with 7+ 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 No

    SQL
    (MongoDB/Cassandra/DynamoDB)

    Caching (Redis),
    CI/CD (Git Hub Actions/Azure Dev Ops/Jenkins),
    IaC (Terraform/ARM)

    Observability (Open Telemetry, 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

  • Master’s degree preferred

  • This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

    ------------------------------------------------------

    Job Family Group:

    Technology

    ------------------------------------------------------

    Job Family:

    Applications Development

    ------------------------------------------------------

    Time Type:

    Full time

    ------------------------------------------------------

    Primary Location Full Time Salary…

    Position Requirements
    10+ Years work experience
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