Full Stack Engineer Location: India Compensation: Salary, Performance Bonus Start Date: ASAP Who We Are Seamless Finance is building the infrastructure layer for digital asset payments and tokenized capital flows enabling businesses to transact, settle, and scale globally with one composable platform. Seamless is a next-generation fintech infrastructure company powering the transition from fragmented global finance to a programmable, interoperable economy. We enable businesses to: • Issue invoices in fiat or crypto, accept digital assets and receive fiat or tokens instantly • Issue real-time conversion cards linked to stablecoins or other tokens • Tokenize and automate invoice workflows with built-in PayFi features • Connect tokenized RWAs to programmable capital flows • Access compliant off-ramps and settlement tools for cross-border finance We’re backed by a compliance-first, cross-border legal structure, and are building on real infrastructure. We’re not just another payment widget. We’re fixing treasury, trust, and time for remote teams, DAOs, and global agencies operating in stablecoins. Our mission is to abstract the complexity of crypto and bring the power of tokenization to everyday business operations from payments and settlement to real-world asset (RWA) tokenization, treasury flows, and smart financial contracts. We see a world where: • Real-world assets flow on-chain and integrate directly into global finance • Payments become programmable, context-aware, and composable • Compliance and settlement are invisible and automatic • Digital assets and fiat coexist, with seamless conversions and usage Seamless is building for this world and laying the foundation today. Role Overview We’re looking for a Full Stack Engineer who can own the entire build lifecycle from architecture and APIs to front-end and deployment. You’ll work directly with the founding team to scale our global payments platform, orchestrating complex multi-chain and multi-asset flows across fiat and crypto. What You'll Do • Build and scale our core web app and microservices from authentication and KYB flows to crypto/fiat payment orchestration • Integrate with payments, fintech and Web3 APIs • Design and optimize multi-wallet systems (custodial, non-custodial, smart contract-based) • Own our backend architecture (Node.js / NestJS / Express / microservices / Postgres / Redis) and frontend stack (React / Next.js / TypeScript / Tailwind) • Work with multi-chain payment rails (EVM + Solana) and stablecoin liquidity orchestration • Deploy and maintain code on AWS / Vercel / Docker / Kubernetes • Collaborate with Product, Compliance, and Growth teams to turn complex workflows into elegant UX • Write clean, modular, testable code and ship fast What You Bring • 4 8 years of experience in full stack or backend-heavy engineering roles • Deep knowledge of Node.js, TypeScript, React, PostgreSQL, and API integrations • Experience with microservice architecture, message queues, and cloud infra (AWS preferred) • Working knowledge of blockchain basics, wallet systems, or Web3 APIs is a major plus • Experience integrating payments, fintech, or identity APIs (e.g., Stripe, Plaid, SumSub, Circle, Fireblocks, etc.) • Passion for performance, security, and scalability in distributed systems • You write documentation as naturally as code, and you treat debugging as a craft • You think like a builder, not an employee curious, independent, and obsessed with impact Bonus if you have: • Experience with Solana or EVM chains, webhooks, and real-time transaction monitoring • Exposure to regtech / compliance automation • You’ve worked in an early-stage fintech, exchange, or Web3 startup • You understand the difference between shipping fast and shipping sloppy Why This Role Is Special • Shape the DNA of a future category-defining product, with 0 1 execution exposure and build what the future of finance actually looks like. We’re abstracting away the friction between fiat, stablecoins, and tokenized assets. • Work with high-speed founders across fintech, Web3, and venture capital. • Shape core architecture and culture your fingerprints will be on everything we ship. • Competitive base + performance bonus + token upside How to Apply Include: • Short note on why you’d like to join Seamless • Send us your GitHub / portfolio / any product