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mariocesar: Location: Santa Cruz, Bolivia (UTC-4)Remote: YesWilling to relocate: YesTechnologies: Python, Django, FastAPI, Postgres, Svelte/Vue/React, Docker, AWS, Terraform, Zapier (Platform/CLI), ETLRésumé/CV: https://www.linkedin.com/in/mariocesar/ (happy to send PDF)Email: mariocesar "at" humanzilla.comSenior full-stack engineer (10+ yrs). Python/Django-first.I build MVPs that make it to production, and I stabilize/modernize legacy systems without breaking what works. Comfortable across backend, frontend, and infra.Strong on integrations and data flows: Zapier apps (Platform/CLI), ERPs, billing, CRMs, webhooks, ETL. I've spent a lot of time making systems talk to each other reliably.Years of experience in SaaS companies.Ex-integrations @ Zapier / Tesorio. Former CTO/founder.Links: https://github.com/mariocesar https://mariocesar.xyz/

elVengador: Location: South America Remote: Yes Willing to relocate: No Technologies: JavaScript, Typescript, React, Next.js, Svelte, Astro, Angular, GraphQL, Storybook, Tailwind CSS, MUI, Vitest, Playwright, Cypress, PWA, Node.js, Express.js, API REST, GraphQL, Firebase, MongoDB, Redis, MySQL, SQLite Résumé/CV: https://go.jimynicanor.com/cv Email: dev.jimynicanor@gmail.com Website: https://www.jimynicanor.com/ Linkedin: https://www.linkedin.com/in/jimy-nicanor/ With 5+ years of experience, I specialize in deconstructing complex engineering problems to build resilient web ecosystems. I combine deep frontend expertise with backend/infrastructure knowledge, allowing me to design systems that are efficient, maintainable, and cost-effectiveKey achievements include: improving complex node graph drawing performance by 400%, rearchitecting the frontend of an AI-powered educational startup, creating a design system including the implementation of its component library used across multiple apps, and architecting an offline note-taking app.

cowartc: Location: Walsenburg, CORemote: Yes (US only)Willing to relocate: NoTechnologies: Python, Java, TypeScript, Kafka, Spark, PostgreSQL, OpenSearch, AWS (Lambda, ECS, S3, Step Functions), Kubernetes, Terraform, MLflow, PyTorch, FastAPI, BentoML, LLM orchestration (Ollama/Llama 3), RAG architecturesPortfolio: https://walsenburgtech.com/blogResume/CV: https://drive.google.com/file/d/180FozwS-NM4EV4Dhhop2t8nlsHp...chriscowart18[at]gmail[dot]comStaff Engineer / Engineering Manager | 18 years | Fintech, AI/ML, Platform EngineeringI build production AI systems in regulated financial environments. Previous: 60M+ ML classification system and high-throughput data pipelines at an auto lender. Managed engineering teams up to 10 and directed 35 developers through a CoE model. Recently shipped a KYB and a tiered fraud detection pipeline with ML model serving.

b-man: Location: EST Remote: Yes Willing to relocate: Yes (US preferred) Technologies: PostgreSQL (partitioning, performance, OLTP architecture), SQL, F#, C#, C, Java, Clojure, Common Lisp, Scheme, Emacs Lisp, Python, Ruby, AWS, Linux Email: ebellani at gmail I work on high-throughput systems, especially when they’ve grown into a state where migrations, performance, or schema design have become limiting factors.Recent work:Re-architected two multi-terabyte OLTP tables (~2TB and ~1TB) receiving 200+ writes/sec. I focus on “rescue architecture” work: fixing dangerous schemas, stabilizing hot paths, removing app-level complexity, and making Postgres scale without rewriting the product.Open to consulting or full-time roles where data is core to the business and performance/architecture matters.Résumé: https://www.linkedin.com/in/eduardo-bellani/ https://ebellani.github.io/

Sniffnoy: Location: New York City Remote: Yes Willing to relocate: If it's on the east coast, yeah maybe Technologies: JavaScript, TypeScript, C, Haskell, Solidity, C#, MUMPS Resume: https://haltman.neocities.org/resume.pdf Email: harry.j.altman@gmail.com Hi, I'm Harry Altman! I was the maintainer of Truffle Debugger (https://github.com/ConsenSys-archive/truffle/tree/develop/pa...), a Solidity smart contract debugger, for 5 years. I eventually ended up writing my own decoding and encoding libraries to support it, as well as a bunch of other things.I'm good at this sort of nitpicky work, spotting and thinking about edge cases. I like getting things exactly right, even though that obviously isn't always possible due to various constraints. I've been kind of wondering if I should get into embedded development; I find it appealing when things are low-level or similarly constrained. I've beaten Microcorruption. :) (The original levels, I haven't played the new ones.)I'm also quite interested in unusual or obscure data formats, and working on Truffle Debugger and its associated libraries certainly involved a bunch of having to figure undocumented formats and interfaces. :) I put down above what languages I've worked substantially in but I'd say I'm a generalist and will figure out whatever you give me (I knew approximately no Javascript, Typescript, or Solidity when I started working at Consensys).I'm a mathematician by background and in my spare time, so after the Truffle Debugger project was shut down I took some time off to focus on my mathematical projects, which I've been shepherding through publication. But now I'm looking for work again! If you need someone like me, I'm available for hire!

nunoarruda: Angular & Ionic DeveloperLocation: PortugalRemote: Yes, remote onlyWilling to relocate: NoTechnologies: HTML, CSS, JavaScript, TypeScript, RxJS, Angular, Ionic, Cordova, CapacitorRésumé/CV: https://nunoarruda.com/resume.pdfEmail: nuno@nunoarruda.com

tyleo: Location: SeattleRemote: OptionalWilling to relocate: NoTechnologies: Games, Web, C#, C++, TypeScriptResume: https://www.linkedin.com/in/tyleo/ or https://www.tyleo.com/professional-work-historyEmail: news.ycombinator@tyleo.comAbout:I'm a technical leader with 10+ years’ experience shipping consumer products at scale. I most recently owned the technical roadmap for a 60-person product organization. I previously architected Circuits, Rec Room’s visual scripting system powering 100M+ player-created experiences across 7 platforms. I have a track record of forming and leading teams, driving 0-to-1 product initiatives, and delivering complex systems from concept through live operations. I'm passionate about games, creator tooling, mentoring, and building world-class products on aggressive timelines.Learn more about me on https://www.tyleo.com

nact62831: Location: Boston, MA Remote: Yes Willing to relocate: Yes (Michigan, Canada, Europe) Technologies: Python, ML/DataSci, SQL/Spark/Redis/etc., AWS, Java, Typescript Résumé/CV: on request Email: nact62831 (at) gmail.com I am open to other engineering roles, but I am mainly looking for engineering roles (or hybrid science/engineer roles) that focus on supporting scientists or scientific organizations. For the last ten years, I have bounced between working as researcher and engineer, and I have a track record of helping scientists write better code (and build better machine learning models). Most recently, I have been part of a team working on a GenAI system. My focus has been on (1) testing to guarantee the model continues to support critical customer needs, and (2) systems that override the model output to increase reliability and consistency for the end users.I love helping scientists automate the repetitive parts of their work while allowing the flexibility necessary for experimentation.

RA_Fisher: Location: Brighton, MI, USA Remote: Yes Willing to relocate: YesTechnologies: Bayesian statistics, econometrics, causal inference, experimental design, machine learning, AI systems, R (expert), Python (expert), SQL (expert), Stan/brms, PyMC, scikit-learn, tidyverse, PostgreSQL/Redshift, AWS, Airflow, Ansible, TerraformRésumé/CV: https://statwonk.com/about/

mateusmullerw: Location: BrazilRemote: optionalWilling to relocate: yesTechnologies: Typescript, React, Python, Kotlin, Swift.Résumé/CV: https://drive.google.com/file/d/1vZoo3hs8ug7TfPFLENvF4nYLzVM...Email: mateusmullerw [at] gmail [dot] comHi! I have 6+ years of professional experience shipping products across healthcare, banking, retail, and e-commerce. What sets me apart from most frontend engineers is that I'm also a designer. I've led frontend teams while contributing directly to component architecture, design systems, and client-facing features simultaneously.

mftb: Location: CaliforniaRemote: YesWilling to relocate: YesRésumé/CV/LinkedIn: Available upon requestEmail: hn.canteen389@passmail.netTechnologies: C/C++, Go, C#, Microsoft .Net, Java, XML/DOM, HTML, ASP/ASPX, PL/SQL, TSQL, JSP, JavaScript/TypeScript, JQuery, React, OOP, Client/Server NetworkingHi I'm Matt, Software engineer for ~20 yrs, VP of Engineering for ~10 yrs. Extensive experience in both Server-side and Front-end Engineering.

Ayaz_Saifi: Location : india open to relocate Remote: yes actively lookingwilling to relocate : yestechnology : AI Engineer/ full stack / backend/ Python developer/ Fast API/ flask/ LLM/ Gen AI/ Docker/ KubernetesResume : https://drive.google.com/file/d/1bABmqdyqwwSW-50hoQvCR4Wkk8e...Email : ayazzssaifi@gmail.com

autotune: Location: Charleston, South Carolina.Remote: Preferred.Technologies: AWS, EKS, GitHub Actions, crossplane, Terraform, Azure DevOps, EC2.Resume/CV: linkedin.com/in/lsdirEmail: elliotechne42@gmail.comGitHub: https://github.com/elliotechne

beaker52: Location: London/UK Remote: Yes Willing to relocate: No Technologies: Experienced Generalist / Go / TypeScript / AWS Résumé/CV: https://dri.me/C0BM3ArVTLwKv7zVOtAwY1k3tOZGkw Eml: luke at lukebarton co uk Product engineer. Coming out of some time off. Open to principal/staff/well-compensated roles. I do my best work in fluid, fuzzy, real-world problem spaces, where things need to be figured out, where creativity and adaptability are valuable traits. Available immediately.

iepathos: Location: Mountain View, CARemote: YesWilling to relocate: NoTechnologies: Python, Rust, Typescript, Go, Infrastructure, DevSecOpsRésumé/CV: https://www.linkedin.com/in/glenbbakerEmail: iepathos@gmail.comHi, I'm a Staff engineer with 14+ years of experience. Spent the last 8.5 years building an early stage startup and following it through acquisition. I supported the post-acquisition transition by training and mentoring offshore engineers and helping maintain continuity as the company shifted from startup execution to standardized enterprise delivery.My background spans backend engineering, infrastructure, and security, with hands-on work in Python, Rust, and TypeScript. I maintain open source projects and contribute when I can to core Rust projects such as Clap and Cargo. I’m a good fit for teams that need pragmatic execution and someone comfortable owning hard problems across systems, platform, and DevSecOps.

dataviz1000: Location: Lima, Peru (I'm a US citizen traveling the world for 2 years) Remote: YesWilling to relocate: YesTechnologies: TypeScript, JavaScript, PHP, Python, FastAPI, Redis, MongoDB, PostgreSQL, TimescaleDB, MySQL, React, React Native, NestJS, AngularJS, Backbone, Playwright, Drupal, Express, jQuery, D3.js, visx, GraphQL, Chrome extension, Claude Code, and AWSRésumé/CV: N/AEmail: [HN username]@gmail.comMy focus has been on browser automation and building browser agents since 2018, with 13 years of enterprise experience building dynamic data user interfaces for web and mobile. I have experience working at both medium 130 person AI companies and small, fast-moving 7 person teams wearing many different hats, which I prefer. I have been instrumental in taking multiple companies from 0 to 1, both as a consultant and as a full-time employee in media, real estate, marketing, streaming services, education, and fintech.Here are some examples of code I built in the last year.1. Doomberg Terminal: An algorithmic trading and information Chrome Extension which automates Robinhood [0]2. Alphadidactic: An autodidactic self-referencing Claude Code agent that finds alpha in trading strategies by continuous iteration updating its own instructions every iteration.3. Interceptor: An autodidactic self-referencing Claude Code agent that can reverse engineer any website creating a typed JSON API which can be imported as a dependency into any project.[0] https://github.com/adam-s/doomberg-terminal[1] https://github.com/adam-s/alphadidactic[2] https://github.com/adam-s/intercept

wantguns: Location: India (open to relocation across Europe) Remote: Yes Willing to relocate: Yes Technologies: Go, Rust, C/C++, Python, Nix, Kubernetes (EKS, GKE, Kubeadm, K3S, Kubespray), Terraform, ArgoCD, FluxCD, AWS, GCP, Cilium, WireGuard, PostgreSQL, Kafka Resume: https://bin.wantguns.dev/resume Email: mail [at] wantguns [dot] dev Infrastructure and backend engineer with a low-level systems background. Last 3 years as the sole or one of very few infra engineers at early-stage startups - owning everything from VPC topology to CI/CD to on-call.Currently building cloud infrastructure for a GPU neocloud (H100/H200) from scratch. Before that, sole platform engineer at an autonomous driving research lab, and before that SRE at a YC-backed video comms startup (acquired by a major cloud provider) managing 20+ Kubernetes clusters across AWS and GCP.On the systems side - wrote a custom Karpenter provider in Go for a cloud provider, a C++ initramfs to run Gentoo on bare-metal Android phones with Android userland in LXC (GSoC 2020), and ADAS software on Android using Cap'n Proto + ZeroMQ + LMDB serving 275+ vehicles.Also wrote bin (github.com/wantguns/bin), a self-hostable pastebin in Rust with 300 stars. Outside of work I maintain a multi-continent server mesh across Hetzner, Oracle Cloud and bare-metal, all declared in a public Nix flake (source - https://github.com/wantguns/dotfiles, blogs -https://wantguns.dev/tags/yakshaving)

arp242: Location: Ireland (Galway)Remote: yesWilling to relocate: within IrelandTechnologies: Go ("Golang"), Python, Ruby, JavaScript, Linux, Unix, PostgreSQLRésumé/CV: https://www.arp242.net/cv/cv-martintournoijEmail: martin@arp242.netI've been using Go as my primary language for the last nine years, although I don't overly care about the specific language and have experience with a wide variety of tools and languages such as Python, Ruby, PHP, C, JavaScript, Lua, and probably some more. While I've mainly focused on backend in the last few years, I also have written plenty of frontend code over the years, from the "pre-jQuery" days to VueJS.In the last few years I mainly focused on GoatCounter (https://www.goatcounter.com) with the occasional contract job, but I'm keen to start working on something new for the longer term.I've got quite a bit of code on my GitHub, so you can take a look at that if you want: https://github.com/arp242

rhunterharris: Location: Atlanta, GA, USARemote: YesWilling to relocate: NoTechnologies: Ruby/Rails, JS/React/Redux/Node/TS/Angular, Elixir/Phoenix, Tailwind, MongoDB, Postgres, MySQL, Kafka, AWS, GCP, PHP, etcRésumé/CV: https://www.linkedin.com/in/rhunterharris/Email: rhunterharris[at]gmail.comHi, I'm Hunter, and I have 2 decades years of experience leading product technology organizations. I've worked with teams from 1 person to 400+ and successfully exited 4 times. I excel at aligning Product and Engineering to deliver projects rapidly, tackling those long-term thorny problems, and iterating rapidly while building ARR for the company. Always interested in speaking with customer obsessed founders and leaders.

mamcx: Senior Rust / Database Engineer*Also open to do custom software development!*Location: Medellín, Colombia Remote: Yes! Willing to relocate: NoTechnologies:* System engineer: Rust · query engines · programming languages · VMs · transactions · storage · performance optimization · data modeling · ERPs · Business Apps* Databases: RDBMs · PostgreSQL · SQL Server · SQLite · SpacetimeDB* Backend: Business logic · APIs creation · integration · orchestration · ETLs* Additional: Python, F#, Swift, Web assembly, Git, Jujutsu, macOS, Linux (NixOS, Debian), WindowsRésumé/CV: https://www.linkedin.com/in/mario-alejandro-montoya-cortés-6... Email: mamcx@elmalabarista.com https://www.elmalabarista.comSoftware engineer with 30+ years building production-ready business applications and 3+ years as a core database engineer building high-performance RDBMs.Founder and principal engineer of small ISV with a long track record of owning complex systems end-to-end, from low-level design to production reliability.Driven to learn new domains quickly and choose the simplest effective architecture, tools and paradigms for each problem.

Grosvenor: SEEKING WORK | Data Scientist / Consultant | Canada/Remote WorldwideI'm a data scientist with over 20 years of experience specializing in solving hair on fire problems. I thrive on gnarly problems AI can't complete even if walked through the problem step-by-step. Often it involves getting hands on or talking with staff to find the data that's really needed.My past work includes: - Saving a German automaker from lemon law recalls. - Helping a major cloud vendor predict server failures to enable load shedding. - Real-time on demand routing logistics work . - Airline flight delay forecasting. - Oil & Gas forecasting. - Shipping piracy risk. - Wound identification and classification. - Revenue optimization, persona identification and dynamic "risk-on/risk-off" risk management for ARM. I'm currently working on (semi) automating the DS loop, building workflows on top of BMAD method AI workflows. I say semi, because some problems you simply must get out of the office and speak with people or find data the AI doesn't have access to. Many problems will have e2e solves in an automated fashion.Things I'm unwilling to work on: - Gambling. - Ads/Surveillance. - Payday loans/rent-to-own. Get in touch if you have a really difficult problem you're trying to solve. Email in profile.

daddykotex: Location: Montréal, Québec, Canada Remote: Yes, (hybrid in Montréal) Willing to relocate: No Technologies: Scala / Java, Typescript / Javascript, Python, Rust, PostgreSQL / MySQL / SQLite, AWS / GCP, Terraform Résumé/CV: https://davidfrancoeur.com/resume.pdf Email: francoeur.r.david@gmail.com Senior Software Developer with extensive experience with Scala (and Java), Typescript (and Javascript) and Python. Very interested in functional programming languages like Haskell and Nix, but also low-level system programming like Rust.

polivier: Location: Canada Remote: Preferred (could do ~2 days/week on-site) Willing to relocate: No Technologies: Various optimization tools (CPLEX, Gurobi, OR-Tools, etc), Python, C++, some Common Lisp, Bash, Linux, and others Résumé/CV: https://github.com/PhilippeOlivier/curriculum-vitae/blob/main/OLIVIER_Philippe_CV_en.pdf Website/blog: https://www.pedtsr.ca Email: See CV or website I'm Phil and I have a PhD in computer engineering, specializing in operations research: mathematical optimization (MILP, etc), constraint programming, and others. For the past several years I've implemented custom, production-ready solutions for a variety of problems (scheduling, routing, and so on). Recent work includes a constraint programming solution for goal-based selection of indexes in Postgres, a heuristics-based scheduling tool used in hundreds of vehicle workshops around the world, and an optimization model used for scheduling autoclave cycles in a drug manufacturing facility. I'm also open to freelancing.