Lead Software Engineer (Calypso)

Description

The company is an AI-first global technology firm with 25+ years of engineering leadership, 2,000+ team members and 500+ active projects. Its clients include Fortune 500 companies such as HBO, Microsoft, Google and Starbucks.

The work spans AI platforms and digital transformation, with the company partnering with enterprise leaders on forward-looking builds.

The client is a major multilateral development lender that provides loans, grants and technical assistance for economic growth and sustainable infrastructure. It works alongside its private-sector affiliates, combining public and private capital to tackle regional challenges. Its current focus areas are climate change, innovation and digital transformation.

Responsibilities

• Guide the design, build, testing and code review of integrations and custom adapters that the system integrator owns
• Keep technical decisions consistent across every assigned deliverable and make sure the designs fit together
• Hold delivery to the agreed architecture, security, integration, data, engineering, deployment and operational-readiness standards
• Run technical reviews to surface cross-system dependencies, delivery risks and integration gaps
• Work hands-on with complex integration builds and troubleshooting
• Lead Calypso Upgrade Pack standard deployments and the release work around them
• Look after Calypso environments in development, testing and production
• Support Calypso CDUF integrations, scheduled tasks and Task Station escalations
• Run API-led integrations through Azure API Management
• Build messaging solutions on Azure Service Bus
• Set up integration patterns for message queuing, error handling, retries, monitoring and central logging
• Improve database speed with advanced SQL and help resolve database issues
• Handle system security, access controls and technical permissions
• Find and fix infrastructure and application performance bottlenecks
• Support CI/CD pipelines, automated deployments and DevOps practices
• Write and keep up technical runbooks, operational guides, deployment plans and support documents
• Transfer knowledge to the client's IT and production support teams
• Coordinate engineers and explain complex technical issues clearly to stakeholders

Requirements

• Senior-level experience in financial systems development, product integration and infrastructure management
• Significant hands-on work implementing Calypso and building technical integrations
• Expert Java programming
• Advanced SQL, with experience in performance tuning and troubleshooting
• Deep knowledge of the Calypso API and the Custom Development Utility Framework
• Experience running Calypso environments across development, testing and production
• Experience with Calypso deployments, scheduled tasks and resolving Task Station issues
• Strong experience with Azure Service Bus and Azure API Management
• Experience designing API-led connectivity and asynchronous messaging
• Knowledge of error handling, retry, logging and monitoring patterns for enterprise integrations
• Experience designing and maintaining CI/CD pipelines
• Strong grasp of DevOps practices and automated deployment
• Experience with system security, access controls and infrastructure troubleshooting
• Proven ability to lead technical projects, coordinate engineers and manage technical dependencies
• Strong problem-solving, analytical and troubleshooting skills
• Excellent technical communication and documentation skills
• Advanced English

Conditions

Work model: onsite or hybrid