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About the Role

This role involves reviewing and analyzing a legacy Java code repository and associated backend services for a leading wholesale bank. The objective is to understand existing functionality, identify dependencies on legacy infrastructure, and support the migration and modernization of these services onto the current architecture. The position requires collaboration with Front Office technology, development, and business stakeholders to ensure business functionality is maintained throughout the migration and to support the decommissioning of legacy infrastructure.

Responsibilities

Review and analyze an existing legacy Java code repository and associated backend services
Reverse-engineer existing services to understand their functionality, business purpose, dependencies, and data flows
Identify functionality dependent on legacy infrastructure and determine appropriate migration or modernization approaches
Support the redesign, development, and migration of required functionality onto the current architecture
Work with backend services that consume data from upstream trading and data platforms and make information available to downstream services and APIs
Collaborate with Front Office technology, development, and business stakeholders to validate existing functionality and future-state requirements
Participate in knowledge-transfer sessions with the existing team, particularly during the initial phase of the engagement
Troubleshoot complex technical issues in environments where existing systems may have limited documentation
Help ensure required business functionality is maintained throughout the migration process
Support the safe and successful decommissioning of legacy infrastructure

Requirements

Strong hands-on experience as a Backend Java Developer, ideally at a senior level
Strong experience with modern/recent versions of Java and backend application development
Demonstrated ability to analyze, troubleshoot, and reverse-engineer existing or legacy Java codebases
Experience working within Financial Services and Capital Markets technology
Good understanding of Front Office concepts and trading environments
Understanding of financial products and derivatives, including fundamental concepts such as options and premiums
Experience working with backend services, APIs, integrations, and complex data flows
Ability to work independently with legacy systems and environments where documentation may be limited
Strong analytical and problem-solving skills
Strong communication skills and the ability to collaborate with both technical and business stakeholders
English level Upper-Intermediate

Skills

Java
Backend application development
Analyze legacy Java codebases
Troubleshoot legacy Java codebases
Reverse-engineer legacy Java codebases
Financial Services technology
Capital Markets technology
Front Office concepts
Trading environments
Financial products
Derivatives
Options
Premiums
Backend services
APIs
Integrations
Complex data flows
Legacy systems
Legacy environments
Analytical skills
Problem-solving skills
Communication skills
Collaboration
FX Options
Commodities
Precious Metals
Derivatives trading technology
Legacy application modernization
Platform migration
Infrastructure decommissioning
Murex
Murex-related environments

Location

Toronto, Canada

Work Type

Hybrid (1-2 days onsite per week)

Experience Level

Senior level

Salary/Compensations

$80-85/hr CAD

Benefits

Extended health, dental and vision coverage
Life and disability insurance
Retirement savings programs
Paid time off
Paid holidays
Other wellness or voluntary benefit programs

About the Company

Exadel is an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients.
The company partners with enterprise leaders to build what’s next, from AI platforms to digital transformation.
Exadel fosters a culture where people are ambitious, collaborative, and constantly evolving, leading with trust, respect, and purpose, with open dialogue, creative freedom, and mentorship.
The client is a leading wholesale bank providing capital markets, investment banking, and advisory services worldwide.
The client has recently expanded into a top-tier research platform, focusing on high-growth sectors like technology and healthcare.
The client integrates advanced AI for market analysis and risk management to serve thousands of professionals across global markets.

Equal Opportunity

Exadel is an equal opportunity employer and does not discriminate on the basis of race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, family status, or any other protected characteristic under applicable provincial human rights legislation.
We are committed to providing accommodations throughout the recruitment process in accordance with applicable accessibility and human rights legislation. If you require accommodation at any stage of the hiring process, please contact us.