Citi

Citi

Posted via Workday

Senior Java Back - End Developer - Assistant Vice President

Apply by Dec 28, 2026

Posted Oct 20, 2026

Role at a glance

Job function
Software Engineering & IT Backend Engineering
Salary
Not yet verified Check the description for pay details; an amount or pay period has not been verified.
Location
Mississauga Ontario Canada, Canada
Work arrangement
Hybrid
Employment
Full-time
Experience
Senior Level 5+ years of progressive experience building enterprise systems, with 5+ years in Java and Spring at scale.
Education
Bachelor’s degree/University degree or equivalent experience

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Role Summary

AI-generated

Leads technical design and delivery of mission-critical distributed systems, with a focus on scalable, reliable, and secure cloud-native services. The role combines hands-on Java development with architecture, engineering leadership, and partnership across product, security, platform, and SRE teams.

What You'll Do

  • Define system architecture, designs, integration patterns, and API contracts; lead design reviews.
  • Lead squads through the software development lifecycle, establish engineering and secure coding practices, and mentor senior engineers.
  • Build and optimize Java services and drive testing, quality gates, performance, and operational excellence.
  • Design cloud and platform solutions, implement infrastructure-as-code and secrets management, and partner with SRE/platform teams on...
  • Architect data and event integrations, define data contracts and consistency patterns, and embed application security and compliance...
  • Translate business needs into technical roadmaps and communicate technical trade-offs to technical and non-technical stakeholders.

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Required: 5+ years of progressive enterprise systems experience, including 5+ years with Java and Spring at scale. Skills include Java 11/17+, Spring Boot and Spring Cloud; REST/GraphQL APIs; Kafka or Pulsar; Kubernetes and Docker; RDBMS and NoSQL; Redis; CI/CD; IaC; observability; performance, concurrency, resiliency, and fault-tolerance; architectural leadership, mentorship, communication, and stakeholder management. Knowledge of MCP, A2A, and agentic architecture is listed.

Preferred

  • gRPC.
  • Domain knowledge in payments, banking, capital markets, insurance, e-commerce, supply chain, or telecom.
  • Security experience with threat modeling, shift-left security, SAST/DAST, secrets rotation, or mTLS.
  • Data experience with CDC (Debezium), schema registry, exactly-once semantics, or streaming ETL.
  • Platform experience with service mesh (Istio/Linkerd), API gateways (Kong/Apigee), or serverless (Lambda/Functions).
  • Knowledge of CQRS, event sourcing, Saga orchestration, or hexagonal architecture.

Original job description

Content provided by the employer

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.

 

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

Citi

About the company

Citi

Large Enterprise

Citi is a global financial services corporation that offers a wide range of financial products and services, including consumer banking, credit, investment banking, and wealth management. With a presence in nearly 100 countries, Citi serves millions of customers, from individuals and small businesses to large corporations and governments. The company is dedicated to innovation and sustainability, actively working to support economic growth while addressing environmental and social challenges. Citi’s commitment to providing exceptional service and fostering diverse talent makes it a prominent choice for students aspiring to build a career in finance and banking.