Backend Developer for FinTech Platform

Hiring: Experienced Backend Developer – Blockchain & FinTech Project Job Title: Backend Developer – Node.js / TypeScript / Go / API Development Job Type: Freelance / Contract Work Arrangement: Remote Experience Level: Mid-Level to Senior Project Overview We are looking for a skilled and reliable Backend Developer to join our development team and help build and maintain a next-generation financial technology platform. The project involves backend infrastructure, API development, database management, payment integrations, and blockchain-related services. We are looking for someone with strong problem-solving skills, experience building scalable applications, and the ability to work independently in a remote environment.

Responsibilities

Design, develop, and maintain scalable backend applications. Build and integrate RESTful APIs and backend services. Develop secure and efficient database architectures. Work with third-party APIs and payment integrations. Implement authentication, authorization, and security features. Optimize application performance and reliability. Collaborate with frontend developers and other team members. Troubleshoot bugs and improve existing backend systems. Required Skills Strong experience with Node.js and TypeScript or JavaScript. Experience with Go, Python, Java, or similar backend languages. Knowledge of PostgreSQL, MongoDB, or MySQL. Experience with REST APIs and microservices architecture. Familiarity with Git, Docker, and cloud infrastructure (AWS or GCP). Understanding of authentication and application security. Experience with Web3, blockchain, cryptocurrency, or payment systems is a plus.

Preferred Qualifications

3+ years of backend development experience. Experience developing fintech or financial applications. Knowledge of blockchain infrastructure and smart contract integrations. Experience with high-performance, scalable systems. Strong communication and independent problem-solving skills.

How to Apply

Please include the following information in your proposal: Your professional backend development experience. Your strongest programming languages and frameworks. Links to your GitHub, portfolio, or previous projects. Examples of backend systems or APIs you have developed. Your estimated availability and hourly rate. We are looking for a developer interested in long-term collaboration and building reliable financial technology infrastructure. If you have the required experience, we would love to hear from you!