Vijay Nelakurthi — software engineer building event-driven Java/Spring Boot microservices in telecom BSS, plus platform engineering and developer-experience tooling (IDE extensions, MCP servers, AI workflows).https://vijay2249.github.in/en-ushttps://vijay2249.github.in/blog/from-projects-to-a-developer-story/https://vijay2249.github.in/blog/from-projects-to-a-developer-story/What I learned writing my own READMEs, org profile, and portfolio — how to choose a static-site stack, structure a repo's front page, and quantify your impact honestly without overclaiming.Wed, 24 Jun 2026 00:00:00 GMTjournalcareerwritingopen-sourcedeveloper-experienceVijay Nelakurthihttps://vijay2249.github.in/blog/how-i-built-this-site/https://vijay2249.github.in/blog/how-i-built-this-site/The build journey of this very site — choosing Astro, picking paths over subdomains, pivoting from a blog to a full portfolio, auditing for telemetry, and a sneaky SVG encoding bug.Mon, 22 Jun 2026 00:00:00 GMTjournalastrowebprivacydeveloper-experienceweek-notesVijay Nelakurthihttps://vijay2249.github.in/blog/how-i-choose-an-architecture/https://vijay2249.github.in/blog/how-i-choose-an-architecture/My repeatable process for architecture decisions — start from the constraints, write an 'alternatives considered' table, and make the trade-off explicit. With examples from real projects.Sat, 20 Jun 2026 00:00:00 GMTnotearchitecturedesignclean-codedistributed-systemsVijay Nelakurthihttps://vijay2249.github.in/blog/coverage-and-offline-static-analysis-in-the-editor/https://vijay2249.github.in/blog/coverage-and-offline-static-analysis-in-the-editor/Why I built an IDE extension that runs full static-analysis rules locally — no server round-trips — and the design decisions that made offline parity possible.Fri, 12 Jun 2026 00:00:00 GMTtutorialdeveloper-experiencetypescriptjavastatic-analysisarchitectureinternal-toolVijay Nelakurthihttps://vijay2249.github.in/blog/visualizing-testng-flows-two-ides/https://vijay2249.github.in/blog/visualizing-testng-flows-two-ides/How a tool to untangle TestNG dependsOnMethods graphs grew into a cross-platform extension - and the decisions that kept it generic, fast, and shippable on top of a half-finished refactor.Mon, 08 Jun 2026 00:00:00 GMTjournaldeveloper-experiencetypescripttestingweek-notesVijay Nelakurthihttps://vijay2249.github.in/blog/constraining-local-llm-json-gbnf/https://vijay2249.github.in/blog/constraining-local-llm-json-gbnf/Prompts ask a model to "return JSON". Grammars make it impossible to return anything else. How I used GBNF + constrained decoding to get reliable structured output on-device.Sat, 06 Jun 2026 00:00:00 GMTtutorialllmai-agentsdeveloper-experiencedesignVijay Nelakurthihttps://vijay2249.github.in/blog/provably-offline-app-design/https://vijay2249.github.in/blog/provably-offline-app-design/Lessons from building a local-first finance analyzer — how to make "offline" a guarantee you can prove, not a promise, and the architecture that falls out of it.Sat, 30 May 2026 00:00:00 GMTjournalprivacyarchitectureflutterllmdesignVijay Nelakurthihttps://vijay2249.github.in/blog/fair-fare-splitting-pooled-rides/https://vijay2249.github.in/blog/fair-fare-splitting-pooled-rides/Designing a ride-pooling fare model where riders save, the driver is rewarded for pooling, and the math is provably fair — checked against the Shapley value.Sat, 16 May 2026 00:00:00 GMTtutorialalgorithmsgoarchitecturedistributed-systemsexperimentalVijay Nelakurthihttps://vijay2249.github.in/blog/blocking-websites-kernel-layer-linux/https://vijay2249.github.in/blog/blocking-websites-kernel-layer-linux/How I designed a per-user, system-wide website blocker that catches even raw-IP curl, while keeping a single narrow privileged surface and zero setuid bits.Sat, 02 May 2026 00:00:00 GMTtutoriallinuxsecuritygoarchitecturenetworkingVijay Nelakurthihttps://vijay2249.github.in/blog/shipping-swagger-view-local-first/https://vijay2249.github.in/blog/shipping-swagger-view-local-first/A developer-journal entry on building a privacy-first Swagger/OpenAPI previewer — and why "no callbacks" turned out to be a feature, not a constraint.Sun, 12 Apr 2026 00:00:00 GMTjournalweek-notesdeveloper-experienceprivacyopen-sourceVijay Nelakurthihttps://vijay2249.github.in/blog/week-notes-one-command-upgrades/https://vijay2249.github.in/blog/week-notes-one-command-upgrades/A messy, manual, multi-step release became a single Python command. Notes on what I built, what broke, and what I'd do differently.Sun, 22 Feb 2026 00:00:00 GMTjournalweek-notesautomationpythonopenshiftVijay Nelakurthihttps://vijay2249.github.in/blog/garden-solid-in-practice/https://vijay2249.github.in/blog/garden-solid-in-practice/An evolving note on what each SOLID principle actually buys you in a real Spring Boot service — with the smells that tell you a principle is being violated.Sat, 14 Feb 2026 00:00:00 GMTnotearchitecturejavaspring-bootclean-codeVijay Nelakurthihttps://vijay2249.github.in/blog/python-learning-on-steroids/https://vijay2249.github.in/blog/python-learning-on-steroids/Going hands-on with networking and security in Python — sockets, packets, and learning a language by actually building with it.Mon, 25 Mar 2024 00:00:00 GMTtutorialpythonnetworkingsecuritylearningVijay Nelakurthihttps://vijay2249.github.in/blog/automate-windows-theme-batch-script/https://vijay2249.github.in/blog/automate-windows-theme-batch-script/A tiny Windows automation that flips between light and dark themes on a schedule using a batch script and the registry.Mon, 13 Nov 2023 00:00:00 GMTtutorialautomationwindowsscriptingVijay Nelakurthihttps://vijay2249.github.in/blog/digital-certificates-in-communication/https://vijay2249.github.in/blog/digital-certificates-in-communication/A from-scratch tour of PKI: public/private keys, hashing, digital signatures, and how certificates establish trust on the wire.Sun, 12 Nov 2023 00:00:00 GMTnotesecuritynetworkingpkicryptographyVijay Nelakurthihttps://vijay2249.github.in/blog/dns-record-types/https://vijay2249.github.in/blog/dns-record-types/A quick reference to the common DNS record types — A, AAAA, CNAME, MX, TXT and friends — and the job each one does.Sat, 04 Nov 2023 00:00:00 GMTnotednsnetworkingwebVijay Nelakurthihttps://vijay2249.github.in/blog/auto-publish-release-github-actions/https://vijay2249.github.in/blog/auto-publish-release-github-actions/Turn a green build into a versioned, published GitHub release automatically — tags, release notes, and artifacts without manual steps.Sun, 29 Oct 2023 00:00:00 GMTtutorialgithub-actionsautomationdevopsci-cdVijay Nelakurthihttps://vijay2249.github.in/blog/continuous-integration-github-actions/https://vijay2249.github.in/blog/continuous-integration-github-actions/Build and test on every push with GitHub Actions — strategy, matrix builds, workflow_dispatch, and a working Node.js CI workflow.Sat, 28 Oct 2023 00:00:00 GMTtutorialgithub-actionsautomationdevopsci-cdVijay Nelakurthihttps://vijay2249.github.in/blog/servlets-filters-spring-security/https://vijay2249.github.in/blog/servlets-filters-spring-security/How servlets and the filter chain underpin Spring Security — the request path from container to controller, and where auth fits in.Fri, 27 Oct 2023 00:00:00 GMTnotejavaspring-bootsecuritybackendVijay Nelakurthihttps://vijay2249.github.in/blog/intro-to-github-actions/https://vijay2249.github.in/blog/intro-to-github-actions/The vocabulary of GitHub Actions — jobs, runs-on, steps, and how a workflow is wired together — before building real pipelines.Wed, 25 Oct 2023 00:00:00 GMTtutorialgithub-actionsautomationdevopsci-cdVijay Nelakurthihttps://vijay2249.github.in/blog/grub-bootloader/https://vijay2249.github.in/blog/grub-bootloader/What a bootloader actually does, and how GRUB fits into the Linux boot process from BIOS/POST through MBR to the login screen.Tue, 24 Oct 2023 00:00:00 GMTnotelinuxsystemsVijay Nelakurthi