Citigroup, Inc

Senior Java Developer Solution Architect - Vice President

Citigroup, Inc • $120K — $170K *
Mississauga, ON L4T 0A1In-Person
Information Technology
5 - 7 years of experience
1 month ago
Job Overview by Ladders

Qualifications

  • 6+ years of experience with enterprise systems, including 7+ years in Java and Spring at scale.
  • Proven expertise in cloud-native, microservices, and event-driven architectures.
  • Strong knowledge of Java 11/17+, Spring Boot, and Spring Cloud.
  • Skilled in REST/GraphQL APIs, with gRPC as a plus.
  • Experience with Kafka (or Pulsar), Kubernetes, and Docker.
  • Proficient in RDBMS (PostgreSQL/MySQL/Oracle) and NoSQL (MongoDB/Cassandra/DynamoDB).
  • Leadership in architectural discussions, design reviews, and mentorship.

Responsibilities

  • Define and evolve system architecture for cloud-native, microservices/event-driven platforms.
  • Create high-level and low-level designs, integration patterns, and API contracts.
  • Lead squads through the full SDLC from discovery to production and SRE handoff.
  • Establish coding standards and code review practices for engineering quality.
  • Mentor senior engineers and support their career growth.
  • Build core services using Java, Spring Boot, and REST/GraphQL.
  • Design for major cloud platforms (AWS/Azure/GCP) and implement infrastructure-as-code patterns.

Benefits

  • Comprehensive health and wellness benefits.
  • Professional development and growth opportunities.
  • Flexible working arrangements.
  • Access to cutting-edge technology and tools.
  • Inclusive company culture that values diversity.
Full Job Description
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/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:
  • 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 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
  • 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 Range:
$120,800.00 - $170,800.00

Most Relevant Skills
Please see the requirements listed above.

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

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.

This job opening is for an existing job vacancy.

About Citigroup, Inc

Citigroup is a financial services holding company that provides financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed-income research, corporate lending, investment banking, and advisory services, private banking, cash management, trade finance, and securities services. Citi is committed to sustainability and social responsibility, and the company invests in initiatives that promote economic progress.

Citigroup, Inc Careers

Join the vibrant team at Citigroup, Inc, a leading global bank, and propel your career into the future. Citigroup offers a plethora of job opportunities that span across various fields and expertise, making it an ideal place for ambitious professionals to thrive.

Work You’ll Do

At Citigroup, Inc, you will engage in exciting work that matters. Join our team to help innovate and drive transformation in the banking industry. With Citigroup, you can lead initiatives that redefine how banking works and how financial services can empower people globally.

Innovate and Lead

Citigroup, Inc is at the forefront of financial innovation and leadership. By joining our team, you will work alongside top professionals to develop solutions that enhance customer experiences and operational efficiency. Our commitment to innovation is fundamental, and we encourage our team to push boundaries and think outside the box.

Grow Your Career

Citigroup, Inc is not just a company; it's a place where you can grow both professionally and personally. We offer robust career paths and professional development opportunities that help you reach your potential. With diverse career tracks and the support of leadership, your growth at Citigroup is limitless.

Diversity and Inclusion

We believe our strength comes from the diversity of our team. Citigroup, Inc is dedicated to fostering an inclusive workplace where everyone can contribute their best work. Through diversity training and a culture that embraces differences, we create a welcoming environment for all employees.

Benefits and Culture

Citigroup, Inc values the well-being of its employees. We offer competitive benefits packages that support the health, finance, and lifestyle of our team members. Our culture is built on collaboration, respect, and a commitment to excellence. We ensure that every team member feels valued and part of our global family.

Internship and Employment Opportunities

Start your professional journey with Citigroup through our internship programs or full-time job opportunities. We are constantly hiring fresh talent and seasoned experts who bring creativity and innovation to our team. Whether you're refining your skills or ready to lead, there's a position waiting for you at Citigroup.

Networking and Professional Development

At Citigroup, Inc, networking and continuous learning are part of our DNA. We provide platforms for employees to connect with industry leaders and peers, enhancing their skills and opening up new career opportunities. Our leadership programs and professional development initiatives ensure that you are always ahead of the curve.

Join Our Team

Explore the numerous positions available at Citigroup, Inc that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to make an impact.

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Citigroup, Inc is where your ambition meets opportunity. Join us and transform your career while making a global impact.
Learn more about Citigroup, Inc
Market Cap
$1.3 billion
Industry
Finance & Insurance
Net Income
$89.6 million
Founded
1812
5 Year Trend
+4.6%
NASDAQ
C
* Ladders Estimates

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