Senior Java Engineering Lead

Citibank (Switzerland) AG; Mississauga; Hybrid; CAD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model

Learning and development opportunities

Financial wellbeing programs

Collaborative global tech organization

Job summary

Citibank (Switzerland) AG is seeking a Senior Backend Java Engineer Lead in Mississauga, combining hands-on development with leadership responsibilities. You will design scalable backend systems, mentor a small team, and drive architectural decisions while exploring modern AI-enabled practices.

The role emphasizes Spring-based microservices, RESTful APIs, and strong collaboration with product managers to shape roadmaps.

Qualifications

• 10+ years of software development experience.
• 3+ years leading engineering teams.
• Strong Java backend development skills.
• Experience with Spring Framework and RESTful APIs.
• MongoDB and Oracle databases experience.
• Experience with Apache Kafka and event-driven design.
• Solid knowledge of design patterns and secure coding practices.
• Clear communication across technical and non-technical audiences.

Responsibilities

• Design and build scalable backend solutions using Java and modern architecture patterns.
• Write and review production code daily; maintain hands-on presence.
• Lead planning and execution of major development initiatives from design to delivery.
• Conduct code reviews and establish coding standards to raise quality.
• Mentor a small team of developers and share best practices.
• Evaluate and adopt new technologies to boost productivity and quality.
• Partner with product managers to shape technical strategy and roadmap.
• Research AI/ML tools and apply them to strengthen engineering practices.

Skills

Java

Leadership

RESTful APIs

Microservices

MongoDB

Oracle

Apache Kafka

Software design patterns

Secure coding

Communication

Education

Master's degree

Tools

Spring Framework

Job description

## Senior Java Engineering LeadApply: Hybrid: Mississauga Ontario Canada: Full time: Posted Today: 26997801As a Senior Backend Java Engineer, you will design and build scalable backend systems that power critical applications within Citi's technology organization. This hands-on role puts you at the center of complex engineering challenges, where you will architect resilient microservices, mentor developers, and shape the technical direction of a growing team. Your work will directly influence how Citi applies modern engineering practices and emerging AI technologies to deliver reliable, high-impact systems.# Responsibilities* Design and build scalable, robust backend solutions for complex technical challenges using Java and modern architecture patterns.* Write and review production code daily, maintaining a hands-on presence across the development lifecycle.* Lead the planning and execution of major development initiatives from design through delivery.* Conduct code reviews and establish coding standards that raise overall code quality.* Mentor and guide a small team of developers, sharing technical expertise and best practices.* Evaluate and introduce new technologies and methodologies to improve team productivity and product quality.* Partner with product managers and stakeholders to shape technical strategy and roadmap decisions.* Research emerging AI and machine learning tools and apply them to strengthen engineering practices and system design.# Required Qualifications & Skills* 10+ years of software development experience with at least 3 years leading engineering teams.* Strong hands-on coding skills in Java for backend development.* Deep experience building microservices using Spring Framework and designing RESTful APIs.* Working proficiency with MongoDB and Oracle databases.* Experience with Apache Kafka and event-driven architecture design.* Solid grounding in software design patterns, architecture principles, and secure coding practices.* Clear communicator able to explain technical concepts to both technical and non-technical audiences.# Beneficial Skills & Qualifications* Master's degree in computer science, engineering, or a related field.# What We OfferYou will join a technology team that values hands-on craftsmanship and gives senior engineers real influence over architecture and delivery decisions.* Lead technical direction and shape the roadmap for high-impact applications.* Work in a hybrid model with 3 days in the office and 2 days working remotely.* Access ongoing learning and development opportunities to deepen your technical expertise.* Collaborate with engineering teams across Citi's global technology organization.* Benefit from financial wellbeing programs and long-term career growth support.* Work in a performance-driven environment that rewards delivery ownership and technical excellence. Build the backend systems that power Citi's next generation of applications by applying today.