Mainframe Developer

Imagine stepping into a role where your deep technical expertise doesn't just maintain the status quo, but actively shapes the future of financial technology. In this dynamic position, you will bridge legacy powerhouse systems with cutting-edge distributed architectures and leverage advanced AI tools to redefine productivity, making a tangible, lasting impact on systems that serve millions of users daily.

About the Partner

Aquent has partnered with a pioneering force in the financial services industry, dedicated to innovation, excellence, and robust platform reliability. By collaborating with Aquent, this premier organization is looking to welcome forward-thinking professionals who thrive on solving complex technical challenges and delivering high-quality, modern software solutions.

The Opportunity

We are seeking a visionary technologist to spearhead the modernization of critical, high-volume transactional platforms. In this role, you will lead the strategy, design, and execution of comprehensive modernization efforts, including system migration, refactoring, and establishing seamless connections to distributed platforms. You will have the unique opportunity to mentor technical teams, foster innovation through AI-driven development tools, and directly influence the scalability and performance of enterprise-level financial systems.

What You Will Do

• Architect, design, develop, and implement complex software solutions, focusing on high-performance interfaces between legacy systems and distributed applications.
• Collaborate with cross-functional teams to analyze business requirements and identify key opportunities for application modernization.
• Lead the strategy, design, and execution of comprehensive modernization efforts, including system migration, refactoring, and establishing seamless callouts to distributed platforms.
• Evaluate existing systems to propose and implement solutions that significantly boost performance, scalability, and maintainability.
• Develop and maintain automated processes to ensure consistency, efficiency, and reliability across platforms.
• Stay ahead of industry trends and emerging technologies, particularly in the realms of legacy modernization and AI-driven development.
• Mentor and guide technical teams, fostering knowledge sharing and skill development across both legacy and distributed technologies.
• Utilize AI coding tools and Agentic AI to drive personal and team productivity, championing a culture of innovation.
• Proactively address obstacles to ensure high-quality results are delivered consistently within project timelines.

What You Bring

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 10+ years of extensive experience in mainframe technologies, including COBOL, JCL, DB2, Datacom, SQL, SQL Stored Procedures, Messaging Queues (IBM MQ, Kafka), CICS, Easytrieve, REXX, and SORT utilities.
• 10+ years of experience as a software developer, with at least 3+ years in a lead or co-lead capacity.
• 3-4 years of hands-on experience with industry-standard tools such as Control-M, ChangeMan, FileAid, Xpeditor, TOAD, and SPUFI.
• Strong experience handling high-volume transaction processing, particularly within the brokerage or financial domain (including transactions processing, balances, and positions).
• Proven track record of participating in the architectural solutioning, design, and development of complex, enterprise-level software systems.
• Demonstrated experience utilizing AI and AI agents to significantly increase development productivity.
• Deep understanding of software architecture patterns, design principles, and scalability considerations.
• Excellent problem-solving, critical thinking, and cross-functional collaboration skills.
• Experience mentoring software development teams, including geographically distributed teams.
• Extensive hands-on experience with legacy application modernization strategies.

Nice-to-Haves

• Exposure to Distributed & Cloud technologies (such as GCP, Java, JavaScript, .NET, C#, Spring Boot, MongoDB, and PostgreSQL) and various AI tools.
• Familiarity with file transmissions, cloud environments, callouts from legacy to distributed services, security tokens, and authentication mechanisms.
• A strong preference for experience with high-volume brokerage transaction processing and posting, spanning both batch and real-time environments.

Employment Terms

Please note: This position is available on a W-2 employment basis only and is not open to Corp-to-Corp (C2C) arrangements. The partner is unable to provide employment-based visa sponsorship or transfers for this role.