2 months ago
Mississauga, CanadaSenior
Base Salary
$94k - $142k/yr
Responsibilities
- Define and evolve architectures for cloud-native, microservices, and event-driven platforms.
- Create high-level and low-level designs, integration patterns, API contracts, and reference implementations.
- Lead design reviews, architectural forums, coding standards, code reviews, and secure-by-default practices.
- Lead engineering squads through discovery, proof-of-concept work, production delivery, and SRE handoff.
- Build and optimize core services using Java, Spring Boot, REST, GraphQL, and event streaming.
- Drive testing, test-data strategy, automated quality gates, performance, concurrency, observability, and operational excellence.
- Design cloud, container orchestration, service mesh, CI/CD, infrastructure-as-code, secrets management, and platform integrations.
- Architect SQL, NoSQL, caching, and event-stream integrations with data contracts, schema evolution, and consistency strategies.
- Embed application security, secure API and authentication practices, zero-trust patterns, and applicable compliance controls.
- Mentor and coach senior engineers, support technical-leader succession, and communicate architecture trade-offs to technical and non-technical stakeholders.
- Apply knowledge of MCP, A2A, and agentic architecture.
Requirements
- 5+ years of progressive experience building enterprise systems and 7+ years of Java and Spring experience at scale.
- Proven delivery experience with cloud-native, microservices, and event-driven architectures.
- Strong expertise with Java 11/17+, Spring Boot, Spring Cloud, REST/GraphQL APIs, Kafka or Pulsar, Kubernetes, Docker, relational and NoSQL databases, Redis, CI/CD, infrastructure as code, and observability tooling.
- Experience with AWS, Azure, or GCP; PostgreSQL, MySQL, Oracle, MongoDB, Cassandra, or DynamoDB; GitHub Actions, Azure DevOps, or Jenkins; and Terraform or ARM.
- Knowledge of concurrency, performance tuning, resiliency patterns, fault tolerance, architectural forums, design reviews, and mentorship.
- Strong communication and stakeholder-management skills.
- Bachelor’s or university degree, or equivalent experience.
- Preferred experience includes payments, banking, capital markets, insurance, e-commerce, supply chain, or telecom domains.
- Preferred security experience includes threat modeling, shift-left security, SAST/DAST, secrets rotation, and mTLS.
- Preferred data experience includes CDC, schema registries, exactly-once semantics, and streaming ETL.
- Preferred platform experience includes service mesh, API gateways, serverless platforms, CQRS, event sourcing, Saga orchestration, and hexagonal architecture.
Benefits
- Full-time position.
- Primary location salary range of $94,300.00-$141,500.00.
- Equal opportunity employer with reasonable accommodation support available.
Tech Stack
Amazon DynamoDBApache CassandraApache KafkaAWSAzureDockerGitHub ActionsGoogle Cloud PlatformGrafanaGraphQLgRPCIstioJavaJenkinsKubernetesMongoDBMySQLPostgreSQLPrometheusRedisSpring BootTerraform
Categories
About Citi
Citi is a public financial-services company offering consumer and institutional banking, credit cards, wealth management, treasury and trade solutions, and capital-markets services. It serves individuals, corporations, financial institutions, and governments in more than 160 countries and jurisdictions, earning interest and fee income from lending, payments, trading, and advisory. Founded in 1812 and headquartered in New York, it trades on the NYSE under the ticker C.