Java

Blockchain.com has opened a full-time position for a Senior React Native Engineer based in Buenos Aires, Argentina. The role calls for experience with React Native, JavaScript, TypeScript, Kotlin and Swift, covering both Android and iOS development along with CI/CD practices. The listing is being shared across developer job boards and circulated among developers tracking mobile engineering opportunities in the crypto industry.

A new write-up highlights six common mistakes developers make when handling money in software, including using floating-point numbers, mismanaging decimal places, mishandling currency symbols, confusing base and quote currencies, and relying on stale exchange rates. It offers practical JavaScript and Python examples showing correct approaches to currency handling. The piece is drawing attention among programmers and fintech developers, since these errors can cause real financial bugs in production systems.

Reddit is recruiting a full-time Software Engineer for its Consumer Engineering team, with the position remote and based in the United States. The posting lists a broad stack including C++, Go, Java, Kotlin, Python and Rust, alongside skills in GraphQL, gRPC, Firebase, PostgreSQL and Redis, covering both Android and iOS work. It is circulating among developers tracking job openings.

Security researchers have disclosed eight vulnerabilities in Apache MINA SSHD, the Java library for SSH connections, that together can allow authentication bypass. The flaws, tracked under CVE identifiers including CVE-2026-94052, CVE-2026-94053 and CVE-2026-77185, affect applications embedding the library. Administrators are urged to upgrade their Java applications promptly to patched versions.

A developer discussion is breaking down the components of a retrieval-augmented generation (RAG) pipeline — chunker, embedding model, vector database, retriever and more — in the context of Java and Spring Boot projects. The core claim circulating is that many teams building AI features may not actually need a dedicated vector database, a counterintuitive point in a stack often treated as essential.

A developer who built a piano reference tool for the browser found it simple to mix up three different numbering systems: piano key numbers, MIDI note numbers, and frequencies. The JavaScript-based reference clarifies the differences for programmers and musicians working on web audio projects, and it is drawing attention in coding and music communities.

A developer has built a tool that pinpoints the minimal combination of API data, timing and local state needed to reproduce bugs that only appear under very specific conditions. Such flaky, hard-to-reproduce failures are a common pain in software testing, and the tool is being shared with the open-source and web development community.