Senior Java Developer – Vice President

United States Digital Space LLC; Mississauga; On-site; CAD 100,000 - 120,000; Full time

Job summary

United States Digital Space LLC is seeking a Senior Applications Development Manager (Senior Java Developer) in Mississauga, Ontario. This senior-level position requires hands-on technical leadership in Java development, guiding teams through Agile processes, and ensuring the delivery of high-quality enterprise applications.

Key responsibilities include managing application development teams, designing microservices, and leading complex integrations. Candidates should have extensive experience in Java and related technologies. The role offers a hybrid work environment, aligning with modern workplace needs.

Qualifications

• 6+ years designing, developing, and leading enterprise-scale applications.
• Demonstrated experience as a Senior Java Developer or Applications Development Manager.
• Strong technical expertise in Java and related technologies.

Responsibilities

• Lead Java development and provide technical direction.
• Manage and mentor Applications Development teams.
• Design and implement microservices and integrations.

Skills

Java

Spring/Spring Boot

Java Spark

Microservices architecture

Kafka

NoSQL databases (MongoDB)

Relational databases (Oracle, SQL Server)

React or similar frameworks

Education

Bachelor’s degree / University degree or equivalent experience

Job description

Location: Mississauga, Ontario, Canada

Job Type: Hybrid

Posted: May 14, 2026

Job Overview

The Applications Development Senior Manager (Senior Java Developer – Vice President) is a senior‑level position responsible for driving results through hands‑on technical leadership and team guidance in the design, development, and delivery of enterprise applications. This role combines deep technical expertise with team leadership, contributing to the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective is to lead Java development initiatives, deliver complex integrations across platforms, and ensure high‑quality, scalable, and compliant application solutions.

Key Responsibilities

• Lead and drive Java development and master reference data architecture, providing hands‑on technical direction while guiding the team through Agile delivery processes.
• Serve as both an individual contributor and team lead, delivering robust end‑to‑end solutions, including client‑facing portals and critical enterprise integrations.
• Manage and mentor one or more Applications Development teams, including performance management, coaching, and resource allocation.
• Act as the primary technical liaison with multiple platform partners across the TTS and Vanguard ecosystem.
• Utilize deep technical knowledge across multiple application areas to provide architectural oversight and review complex technical solutions.
• Design and implement microservices, Kafka, and Java Spark‑based solutions, ensuring scalability, resiliency, and performance.
• Establish and enforce robust technical controls, coding standards, and best practices, ensuring high code quality and alignment with regulatory and operational excellence requirements.
• Review and analyze proposed technical designs, integrations, and implementation approaches for enterprise initiatives.
• Contribute to the formulation of technology and application development strategies.
• Develop a comprehensive understanding of how business areas integrate to achieve strategic objectives.
• Monitor delivery outcomes, manage day‑to‑day execution, and address risks, dependencies, and delivery challenges.
• Appropriately assess risk when making business decisions, safeguarding Citigroup, its clients, and assets by ensuring compliance with applicable laws, rules, regulations, and internal policies.
• Promote accountability, transparency, and ethical standards across the team.

Qualifications & Technical Skills

• Experience: 6+ years designing, developing, and leading enterprise‑scale applications.
• Proven Role: Demonstrated experience as a Senior Java Developer, Tech Lead, or Applications Development Manager.
• Technical Expertise: Strong hands‑on expertise in Java, Spring/Spring Boot, Java Spark, microservices architecture, React (or similar frameworks), Kafka, NoSQL databases (e.g., MongoDB), and relational databases (e.g., Oracle, SQL Server).
• System Integration: Significant experience designing and delivering complex system integrations.
• Leadership: Demonstrated ability to provide technical leadership while remaining hands‑on.
• Stakeholder Management: Strong skills in collaborating across multiple technology platforms and teams.
• Project Delivery: Proven project delivery and Agile leadership experience.
• Compliance: Solid understanding of industry standards, enterprise controls, and regulatory considerations.
• Communication: Excellent written and verbal communication skills, with the ability to influence both technical and non‑technical stakeholders.
• Education: Bachelor’s degree / University degree or equivalent experience.

EEO Statement

The company is an equal opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, please contact us for assistance.

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