Full Stack Engineer

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ClassWallet

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2014

💳 Fintech

📚 Education

🏛️ Government

💰 $500k Debt Financing on 2020-05

Fintech • Education • Government

ClassWallet is a company that provides digital wallet solutions focused on the management and distribution of public funds. Utilizing a patented platform, ClassWallet simplifies the process of spending these funds, ensuring total transparency and compliance with spending guardrails and audit-ready reporting. Their services cater primarily to education sectors, such as K-12 schools and early childcare programs, helping them manage purchases and reimbursements digitally. ClassWallet also supports government agencies in reducing administrative costs and ensuring compliance, and aids in the efficient distribution of family scholarships and grant programs.

📋 Description

• - **Work across the full stack** — data model, API contract, UI, and production behavior — contributing to domains as they move onto the modern stack. • - **Recognize bad legacy patterns and don't repeat them** — read the existing Express/MongoDB and Backbone/React layers, understand where they fell short, and apply better practices in new development rather than carrying old habits forward. • - **Design for scale within real constraints** — build solutions that scale even when they have to integrate with a rigid legacy system that can't be changed wholesale. • - **Build on the modern stack** — NestJS modules (DI, guards, interceptors) and Next.js apps (App Router, server components, typed clients). • - **Understand the strangler-fig approach** — how legacy and new run side by side, behind feature flags, with zero data loss and no downtime — and contribute to it without disrupting it. • - **Model relational data carefully** — help move money-bearing/transactional data from documents into a normalized SQL schema with real constraints and safe migrations. • - **Write tests as a default** — unit, integration, E2E. The suite is what lets the team move fast safely. • - **Spot and flag problems** — the flaky test, the N+1, the missing index. Raise them clearly so they get prioritized, and pick them up when it makes sense. • - **Use AI tooling efficiently** while understanding and standing behind every line that lands.

🎯 Requirements

• - 4+ years shipping production full-stack • - Strong TypeScript front and back • - NestJS (or deep Express/Fastify w/ DI grasp) • - Next.js/React (hooks, App Router, SSR/CSR) • - PostgreSQL or MySQL (schema, indexing, transactions, migrations) • - An eye for distinguishing good patterns from bad legacy ones • - Ability to design scalable solutions that fit within an existing, rigid system • - Testing discipline (Jest, Playwright/Cypress, Supertest) • - API design (REST, auth, backward-compatible evolution) • **Bonus: ** • - Experience migrating off a legacy code • - Fintech/payments/ledger • - Message queues (RabbitMQ/SQS/Kafka) • - MongoDB/Mongoose Aggregation • - AWS/Docker/Kubernetes/CI • - Deliberate AI-agent use in production workflows

🏖️ Benefits

• ClassWallet is a positive, family-oriented team environment. Our focus is on encouragement, positive reinforcement, and gratitude. We work hard and are highly motivated to win but with a healthy perspective on life. • We offer an excellent salary and benefits commensurate with experience. • ClassWallet.com is proud to be an Equal Opportunity Employer. Applicants are considered for all positions without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, marital or veteran status.