Note: The job is a remote job and is open to candidates in USA. Instantiations is a leader in custom software solutions, serving clients from the largest global enterprises to innovative small businesses. They are seeking a highly skilled senior-level full-stack software engineer to join their fintech business unit supporting banking customers across North America, responsible for the full software development lifecycle and customer collaboration.

Responsibilities

• Design, develop, enhance, maintain, and support software across multiple application stacks
• Work across the full SDLC: requirements, design, coding, testing, implementation, support, and ongoing improvement
• Support client implementation activities, production issue analysis, and customer-facing technical discussions
• Contribute to modernization initiatives and AI-enabled capabilities integrated into banking platforms
• Participate in 24/7 production support on a reasonable on-call rotation schedule (stipend paid for on-call)

Skills

• 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
• 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 experience, problem solving with the customer
• Excellent problem-solving skills and the ability to work independently in a remote environment
• Strong understanding of software development life cycles, agile methodologies, and remote collaboration tools
• Strong and effective communication skills, with the ability to articulate complex technical concepts to non-technical stakeholders
• Possess a deep commitment to positive customer outcomes
• Leadership qualities, including the ability to mentor junior team members and lead by example
• Bachelor's degree in computer science or equivalent field, preferred
• Experience in banking, financial technology, insurance, healthcare, or other regulated industries is a strong plus
• Experience with the VAST Platform
• Enterprise AI engineering
• Databases: DB2, SQL Server, Oracle, or PostgreSQL
• CI/CD, DevOps, and related tooling (Git, Docker, Kubernetes, Azure DevOps, etc.)
• Middleware: Engineer and harden enterprise runtimes (IBM WebSphere, Tomcat) and messaging fabrics (IBM MQ, MQTT), implementing zero-trust security (mTLS, OAuth2, WS-Security) across all RESTful and SOAP interfaces
• Python scripting and automation

Benefits

• Flexible Vacation (employees are encouraged to take at least three weeks per year)
• Paid Sick Leave
• Paid Family Leave
• 15 Paid Holidays
• Medical, Dental, and Vision coverage starting on your first day, 100% covered for you and your family
• HSA Plan with employer contributions (if you choose an HSA-eligible medical plan)
• Group Life Insurance – 2X your salary (company paid)
• Short-Term and Long-Term Disability Insurance (company paid)
• 401(k) Plan, with up to a 4% employer match
• Employee Assistance Program (EAP) (company paid)
• Separate allowance for on-call pay

Company Overview