Free Tools • Technical Blog • Open Source Projects
Empower your development workflow with our collection of free tools, in-depth technical articles, and innovative projects. Built by developers, for developers.
In-depth articles, tutorials, and development insights
In most production incidents, the real issue isn’t the bug but the handoff between development and operations. DORA shows teams with strong Dev–Ops collaboration deploy faster and recover sooner, while most outages come from process gaps.
In fintech, the most dangerous failures aren’t system crashes but wrong transaction outcomes that look correct in logs. Treating timeouts or unknown responses as SUCCESS or FAILURE leads to duplicates, wrong reversals, and audit nightmares. The real challenge isn’t calling APIs — it’s deciding outcomes safely. That’s why money safety must always come before response speed.
When a business is just starting out, cost matters more than complexity. You don’t need Kubernetes, Auto Scaling Groups, or managed everything on day one — you need something secure, maintainable, and cheap that can grow later.
A production-grade API Gateway architecture using WSO2 APIM—designed for secure external access, high-throughput internal APIs, defense-in-depth, and built-in observability and monetization.
Innovative solutions and open-source contributions
NexusPay is Dutch-Bangla Bank's (DBBL) all-in-one digital wallet and banking app, offering a cardless experience for managing multiple bank cards (Visa, Mastercard, DBBL), mobile banking (Rocket), and agent banking, enabling free fund transfers, bill payments, online shopping, QR/NFC payments, temporary virtual card generation for e-commerce, and ATM withdrawals, making it a comprehensive financial tool in Bangladesh.