Senior Full-Stack Software Engineer - Banking Platforms
Company: Instantiations
Location: United States (Remote)
Salary: $110,000 - $150,000 a year
Type: Full-time
Remote: Yes
Posted: 2026-06-25
About this role
Senior Full-Stack Software Engineer
Banking Platforms & AI Modernization
## About Us
Instantiations is a leader in custom software solutions, serving clients from the largest global enterprises to innovative small businesses. At the core of our success is a cohesive team of talented developers and forward-thinking leadership, working together to tackle complex challenges with creativity and collaboration.
We pride ourselves on fostering a culture of mutual respect, innovation, and continuous growth, where team members genuinely look forward to contributing and thriving. With a 100% remote work setup, we offer the flexibility to work from almost anywhere within the United States while being part of a close-knit, supportive community that values your expertise and individuality.
## About the Role
We are selectively seeking one highly skilled, senior-level full-stack software engineer to join our fintech business unit supporting banking customers across North America. This is a hands-on role spanning the full software development lifecycle — design, development, implementation, modernization, maintenance, production support, and customer-facing technical collaboration.
## Employment Requirements
Because we serve banking customers in a regulated environment, a few things are non-negotiable:
- You must reside in the United States and not require visa sponsorship now or in the future
- You must communicate in clear, fluent English — reading, writing, and speaking — to work effectively with clients, teammates, and stakeholders
- You must be able to pass a clear background verification
- Work and customer support must be performed while physically located in the United States
- Willingness to serve in the on-call rotation
## Work Experience Requirements
- 7+ years of software development experience with a strong focus on Smalltalk and/or Java programming
- 7+ years in a senior full-stack software engineer role
- Prior direct customer exper...