Senior Full Stack Engineer

Group 1001

62d•$150,000 - $210,000•Remote

About The Position

We are seeking an experienced Senior Full Stack Software Engineer to join our growing Engineering team. In this role, you will build innovative, world-class solutions across both frontend and backend systems. You will collaborate closely with Product and Engineering leadership to drive high-impact projects and deliver high-quality customer experiences across acquisition, conversion, funding, and long-term growth. As a Senior Engineer, you will contribute to technical decisions, mentor team members, and help shape engineering practices. Your ability to operate across the full stack will be critical to delivering scalable, reliable systems. You are a strategic thinker and collaborative partner who holds yourself and others accountable for delivering high-quality, mission-critical outcomes. You continuously ask, “What good looks like?” and “How can we get there most efficiently?”

Requirements

5+ years of experience building production systems across frontend and backend
Strong experience with React, Next.js, and TypeScript
Strong backend experience with Kotlin, Java, Spring, or similar
Experience building APIs and working with SQL databases
Understanding of distributed systems concepts including asynchronous processing
Experience with cloud platforms such as AWS or GCP and containerized environments
Strong experience with observability tools such as Grafana, OpenTelemetry, or similar
Experience using AI tools in development workflows and familiarity with agentic patterns
Experience with event streaming systems such as Kafka
Experience in consumer or fintech products

Responsibilities

Build full stack solutions across frontend and backend systems, ensuring scalability, performance, and reliability in production
Develop user-facing applications using React, Next.js, and TypeScript
Design and implement backend services, APIs, and data models using Kotlin or Java with Spring
Work with SQL databases such as MariaDB, Postgres, or similar
Contribute to asynchronous and event-driven systems
Collaborate with product managers, designers, and engineers to drive technical decisions and deliver business outcomes
Own the software development lifecycle, including design, implementation, testing, and deployment
Ensure systems are observable through logs, metrics, and tracing
Contribute to building and improving agentic and AI-assisted development workflows using tools such as Claude