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# Senior Lead Software Engineer - Custody & Securities Processing

- **Company:** State Street
- **Location:** Quincy, MA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $120,000.0 - $217,500.0
- **Contract:** Permanent contract
- **Skills:** Data Integrity, Software Engineering, Systems Architecture, Systems Integration, Transaction Processing (Computing), Cloud Platform System
- **Published:** October 26, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-lead-software-engineer-custody-securities-processing-quincy-ma--7a51828f-c9b3-449e-ba40-a59669f68850

## About the Role

Software Engineering, Securities, Data Quality, Financial Transactions, Regulatory Compliance, Securities, Software Engineering, System Architecture, Technical Leadership, Leadership, * Leadership experience overseeing mission-critical enterprise platforms

 * Expertise in transaction processing, systems integration, and architecture
 * Success leading platform modernization and transformation initiatives
 * Experience with both legacy and modern technologies
 * Strong technical, delivery, and people leadership skills, * Experience:10+ years of software development experience, with at least 5+ years in a senior technical leadership role
 * Agile delivery experience in large-scale enterprise environments
 * Bachelor's degree in a related field

## Description

We are modernizing a mission-critical custody and securities processing platform supporting high-volume post-trade operations. The platform processes large-scale financial transactions with stringent requirements for availability, resiliency, data integrity, and regulatory compliance across both legacy and modern technology environments.

We are seeking a Senior Lead Software Engineer with strong technical leadership experience to lead engineering teams providing system architecture design and team leadership bridging the gap between high-level product goals and everyday technical execution.

This role is ideal for someone who:

 * Leads high-performing engineering teams responsible for mission-critical financial platforms
 * Navigates complex technical and operational challenges in high-volume transaction processing environments
 * Influences technology strategy, platform evolution, and modernization initiatives
 * Drives architectural decisions, integration patterns, and engineering best practices across the organization

What you will be responsible for

Engineering Leadership and Delivery

 * Establish and drive architectural direction, integration strategies, and engineering best practices across critical business platforms
 * Build, develop, and lead high-performing engineering teams focused on quality, operational excellence, and continuous improvement
 * Own delivery outcomes for mission-critical platform capabilities, ensuring scalability, resiliency, and reliability
 * Partner with product, operations, and business stakeholders to deliver solutions across complex, interconnected workflows and regulatory environments
 * Drive platform evolution through modernization initiatives, process optimization, and technology lifecycle management