Senior Full Stack Developer

Job Description: Senior Full Stack Developer – $SRC Ecosystem

Location: Remote
Type: Contract
Experience: 10+ years
Industry: Blockchain | Trade Finance | FinTech
Payment: in $SRC token, the token of project

About $SRC Ecosystem

The $SRC Ecosystem is a next-generation AI and blockchain-powered platform addressing the $2.5 trillion trade finance gap. Built on zkSync technology with custom $SRC Chain development, we enable tokenized trade finance, SME onboarding, cross-border payments, FX settlement, and digital trade document tokenization. Our mission is to empower global trade by bridging traditional finance with decentralized infrastructure.

We are seeking an experienced Senior Full Stack Developer who can architect, build, and scale mission-critical applications across frontend and backend systems, while ensuring performance, security, and interoperability with blockchain, AI agents, and enterprise APIs.

Key Responsibilities

Architecture & Development

Design and develop end-to-end scalable solutions across frontend (React/Next.js) and backend (Java, Spring Boot, Node.js).

Implement APIs and microservices for onboarding, trade document tokenization, KYC/KYB, payments, and FX flows.

Optimize smart contract integrations and wallet connectivity for multi-chain support (zkSync, Ethereum, Ripple rails, etc.).

Backend & API Development

Build robust APIs for cross-border payments, FX conversion, stablecoin on/off-ramping, and liquidity flows.

Ensure security compliance, including AML/KYC, identity verification, and continuous monitoring integrations.

Manage databases (PostgreSQL, MongoDB, Redis) for trade and financial data storage.

Frontend Development

Lead frontend development using React, Next.js, Tailwind, TypeScript.

Create responsive dashboards for exporters, importers, and liquidity providers with real-time analytics.

Integrate role-based user flows (e.g., trade onboarding, investor dashboards, compliance checks).

Integration & Infrastructure

Work with blockchain protocols (zkSync, EVM, Ripple rails) and custodial wallet APIs.

Collaborate with AI/automation layers (n8n, compliance agents, trade scoring AI).

Deploy and manage cloud infrastructure (AWS, Azure, Vercel).

Collaboration

Work with product, compliance, and engineering teams to translate business needs into technical solutions.

Participate in code reviews, mentor junior developers, and enforce best practices in CI/CD and testing.

Requirements

Education & Experience

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.

10+ years of full-stack development experience with proven backend and frontend expertise.

Technical Skills

Backend: Java (Spring Boot), Node.js, RESTful & GraphQL APIs, microservices architecture.

Frontend: React, Next.js, TypeScript, Tailwind CSS.

Blockchain/Web3: Experience with zkSync, Ethereum/EVM, Solidity smart contracts, custodial wallet integrations.

Databases: PostgreSQL, MongoDB, Redis.

Cloud & DevOps: AWS/Azure, Docker, Kubernetes, CI/CD pipelines.

Security: Strong understanding of authentication (OAuth2, JWT), KYC/AML APIs, encryption, and data protection.

Domain Knowledge (Preferred but not mandatory)

Trade finance workflows (invoice tokenization, BL/WR documents).

FX and cross-border payment systems.

FinTech, RegTech, or DeFi experience.

Soft Skills

Ability to thrive in a fast-paced startup environment.

Strong problem-solving and system architecture skills.

Excellent communication and leadership to guide technical decisions.