Ask HN: Freelancer? Seeking freelancer? (February 2025)

Embedded Development: Linux, RTOS, and bare metal systems using C, C++, and uPython Network Engineering: Distributed systems, protocol design, and networked applications Backend Development: Python/Django and Go microservices Mobile Development: Native iOS and Android applications DevOps & Cloud: AWS, DigitalOcean, Docker, and Ansible deployments Media Systems: Audio/video processing and streaming solutions

Available for part-time or full-time contracts, I'm committed to building lasting partnerships through reliable delivery and clear communication. Looking to bring your product vision to life or need help with an existing system? Let's discuss how I can help drive your project forward. Github: https://github.com/jd-boyd Website: https://boydtechnicalsolutions.com/ | https://blog.jdboyd.net/ Email: jdboyd@boydtechnicalsolutions.com LinkedIn: https://www.linkedin.com/in/jdboyd/

Location: North-east UK

What I do: Fractional CTO / tech lead

Are you being held back by a constraining architecture, slow backend, or a team lacking the depth of experience you need for the next stage of your growth?

Most recently CTO of a regtech startup, I've spent the past 20+ years in a wide variety of tech roles building both products and teams, giving me the perspective to get your project moving without being bound to a particular language or stack.

Previous work:

  * Deterministic AI for medical device regulations and other complex legal systems, including novel language and runtime for regulatory computing (Elixir, Raku, Rust)
    
  * EDI message passing / reconciliation for US dental health insurance market, including X12 parser (Clojure, Common Lisp, Perl, XQuery)

  * Custom domain specific language (DSL) to encode business rules for computer vision system (Common Lisp)

  * University library data migration project, with a focus on completeness and validation. (Clojure, Elixir, Ruby)

  * High-reliability, long-term timelapse platform for inaccessible locations. (FreeBSD, Arduino, Python, Shell)

  * Migration of existing Node.js+Firebase service to Golang+PostgreSQL on AWS

  * Feasibility study investigating the possibility of writing custom code to interface with a biometric timeclock (Common Lisp)

What I do: Product Management, Growth Marketing

Résumé/CV: https://docs.google.com/document/d/1920g_elqcSAYFKSHnS3-vkw4...

Email: rishunk16@gmail.com

LinkedIn: https://www.linkedin.com/in/rishabh16/

A product leader with 8+ years of experience driving growth and innovation in the e-commerce marketplace, fintech, crypto, and SaaS. Starting as a developer, I bring technical depth to align with engineering teams and make data-driven decisions. My track record includes: * From 0 to 1: Built Nigeria’s top B2B e-commerce marketplace & fintech (Alerzo), scaling to 180K+ MAU. * Tech-forward solutions: Developed the Middle East’s first digital pharmacy (souKare) and programmable crypto payment (Actalink). * Scaling revenue: Drove $11M annual revenue at Vestaboard via growth marketing and lead generation.

Open to full-time, part-time & contract opportunities. Please reach out to rishabh@roasexpert.com

Technologies: React Native, iOS, Android, TypeScript, Redux, Redux Toolkit, Jest, Chrome Extension, VS code extension

Résumé/CV: https://resume.rnui.dev/

Email: mrpmohiburrahman+hn[at]gmail.com

LinkedIn:(https://www.linkedin.com/in/mrpmohiburrahman/)

Why you should hire me:

- 4 years of professional experience as a React Native developer, including 3 years remotely for a Estonian company.

- Contributed to major open-source projects [check resume for pr links]:

  - react-native-testing-library( from Callstack Company, 3.1k stars, 896k weekly downloads on npm )

  - react-native-contacts( 1.7k , solved an issue using objective c++ code )

  - react-native-device-info( 6.5k , solved an issue on android app building using gradle ( android native coding ) )

  - react-native-bottom-tabs( 775 stars on GitHub )