Demo

Senior Full Stack Software Engineer

Heitmeyer Consulting
Buffalo, NY Full Time
POSTED ON 4/4/2026
AVAILABLE BEFORE 5/2/2026
Role Overview

Our large banking client is undergoing a major modernization initiative within a commercial banking platform. We are seeking a Senior Full Stack Software Engineer to support mission-critical, real-time applications with complex integrations across payments, entitlements, SSO, BRI file transfers, and Bottomline as their vendor-hosted platform. This is not a “keep-the-lights-on” position. The engineer will play a key role in driving platform modernization, stabilization, and innovation to prepare for the transition to Backbase as a core framework, while modernizing and refactoring existing homegrown systems.

Key Responsibilities

  • Own and drive future enhancements of existing applications through design and development
  • Collaborate closely with Product Owners, Production support teams, and Business stakeholders
  • Drive modernization and innovation initiatives independently
  • Act as a hands-on individual contributor while participating in peer code reviews
  • Manage personal backlog (“own the cards”) in 2-week sprint cycles
  • Ensure delivery timelines and commitments are met
  • Work closely on a scrum team 3 developers, a Product Owner, and a Tech Lead


Required Qualifications

  • 8 years of hands-on experience with Java, Spring Boot, and API development and integrations
  • Angular (required; last 2–3 years of experience
  • Experience building and supporting mission-critical, real-time processing banking systems
  • (banking or financial services strongly preferred)
  • Strong experience and understanding of observability and monitoring, especially Kibana
  • Working knowledge of databases (expert-level not required)
  • Experience working in cloud-based environments
  • Proven ability to design scalable, reliable solutions
  • Strong communication and collaboration skills
  • Demonstrated ownership of projects and end-to-end delivery
  • Comfortable coordinating work across teams without direct authority
  • Highly self-sufficient and proactive


Nice-to-Have Skills

  • Prior experience with Azure
  • Experience with Backbase
  • Payments or online banking domain knowledge
    • Beneficial but not a dealbreaker


Heitmeyer Consulting is an equal opportunity employer, and we encourage all qualified candidates to apply. Qualified applicants will be considered without regard to minority status, gender, disability, veteran status, or any other characteristic protected by law.

Salary.com Estimation for Senior Full Stack Software Engineer in Buffalo, NY
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