Senior Full-Stack Software Engineer – Banking Platforms

🕒 June 25

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Instantiations

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 1988

🏢 Enterprise

💳 Fintech

🤖 Artificial Intelligence

Enterprise • Fintech • Artificial Intelligence

Instantiations is a software company focused on the Responsible Evolution™ of mission‑critical enterprise systems. Since 1988 it modernizes legacy and long‑lived systems—especially Smalltalk-based platforms and language runtimes—preserving proven behavior while improving security, scalability, and resilience. Instantiations operates both as a technology platform provider (development platforms, virtual machines, VAST platform) and as an enterprise fintech operator supporting Tier 1 and Tier 2 banks in payments, and it provides consulting, modernization strategy, custom development, and training. The company is actively enabling governed, enterprise-grade AI integration and orchestration for operational AI embedded within critical systems rather than edge experimentation.

📋 Description

• 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) • AI engineering is a core part of this role – not prototypes, but practical, enterprise-grade solutions

🎯 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 experience, problem solving with the customer • 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 • 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

🏖️ 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)