CareerPlan

Senior Full Stack Software Engineer

Berkeley Heights, New Jersey, USFull-time$128k–$216k2026-10-20 → 2026-11-10
Based in United StatesNo visa sponsorship

Core

Design, develop, and maintain high-quality software applications for the Merchants Onboarding & Client Implementations platforms.

Role type

Senior Full Stack Software Engineer (Client-Side + Server-Side)

Builds

Merchants Onboarding & Client Implementations platforms

Domain

Fintech / Payments

Deliverable

production ML models

Required skills

Java, C, C#, C++, SQL databases, AWS, Azure, GCP, CI/CD pipelines, DevOps practices, Agile methodologies, LLM/engine

Preferred skills

Financial services industry experience

Technologies

Java, C, C#, C++, SQL, AWS, Azure, GCP

Responsibilities

Lead design, development, and implementation of software applications; Collaborate with cross-functional teams to gather requirements and translate them into technical specifications; Perform coding, testing, and debugging of applications; Maintain and improve existing codebases and lead peer review processes; Mentor junior developers and provide technical guidance

Seniority

Senior, hands-on IC