Invoisure

Senior Full Stack Engineer (Node.js/TypeScript/React) - Remote

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: TYPE OF WORK

Full Time

: SALARY

PHP 150,000.00

: HOURS PER WEEK

40

: DATE UPDATED

Oct 13, 2026

JOB OVERVIEW

ABOUT THE ROLE
We are building a new fintech product from the ground up for a US client: a cash-flow tool that helps small businesses understand what they can safely spend today. It brings together bank, accounting and card-settlement data into a few clear numbers and recommendations. The product is delivered two ways: embedded inside partner web portals, and as a standalone web app. You will join a small senior team (four full-stack engineers and one automation QA) that owns the build from foundation to launch.

WHAT YOU WILL DO
- Build features end to end across a Node.js + TypeScript API and a React + TypeScript web app, in vertical feature slices.
- Design PostgreSQL schemas and write explicit, reviewable SQL for financial calculations where correctness is non-negotiable.
- Integrate third-party financial APIs (open banking and accounting platforms) using OAuth 2.0, webhooks and scheduled syncs, with retries and idempotency.
- Build embeddable experiences for partner portals: iframe integration, web components with style isolation, and signed-token (JWT) single sign-on.
- Implement authentication, role-based access, subscription billing through a payment processor's hosted pages, and server-side plan entitlements.
- Work on AWS: containers, managed PostgreSQL, CDN, scheduled workflows and infrastructure as code.
- Write automated tests alongside your code and keep the CI pipeline green.
- Take part in sprint demos, code reviews and technical decisions with the team.

OUR STACK
- Backend: Node.js 24, TypeScript (strict), Fastify, Drizzle ORM, PostgreSQL 16, Zod
- Frontend: React, TypeScript, Vite, TanStack Router and Query, Tailwind CSS, shadcn/ui
- Cloud: AWS (ECS, RDS, S3, CloudFront, WAF, KMS, Step Functions, EventBridge), AWS CDK
- Auth: Clerk, JWT / JWKS
- Testing and delivery: Vitest, Playwright, Testcontainers, GitHub Actions, Docker

WHAT WE ARE LOOKING FOR
- 8+ years of professional software engineering, with strong experience across both backend and frontend.
- Strong TypeScript in production on Node.js and React.
- Solid PostgreSQL skills: schema design, indexing, transactions and query performance.
- Experience integrating third-party REST APIs with OAuth 2.0 and webhooks.
- Experience shipping on AWS, or a comparable cloud, with containers and CI/CD.
- Care for correctness, security and clean, maintainable code (DRY, SOLID, small focused modules).
- Clear written and spoken English, and comfort working directly with a client's product owner.
- Experienced AI Enabled Engineer that uses proper harnesses, agents and skills and Daily use of AI-assisted engineering tools (for example Claude Code), with the judgement to review and test their output. This is a must!!!

WE PREFER PEOPLE WITH
- Fintech experience: open banking, accounting (e.g., QuickBooks Online), payments or subscription billing.
- Building embeddable widgets or SDKs (web components, Shadow DOM, iframe + postMessage).
- Security practices for financial data: encryption, row-level security, OWASP ASVS.
- Accessibility (WCAG 2.1 AA) and frontend performance.

JOIN US!
- Be part of a mission-driven startup solving real financial problems
- Work with a passionate, collaborative team that values ownership and innovation
- Opportunities for growth and upskilling
- Opportunity to shape the future of our tech stack and product direction
- Competitive pay, internet allowance, 13th-mo pay, paid leaves

SKILL REQUIREMENT

Node JS React JS Typescript

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Invoisure

Senior Full Stack Engineer (Node.js/TypeScript/React) - Remote

Please login or register as jobseeker to apply for this job.

TYPE OF WORK

SALARY

HOURS PER WEEK

DATE UPDATED

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