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

- AI & ML: LLM Agents (OpenAI, GPT-4, Claude, GPT4All), RAG Pipelines, LangChain, Workflow Copilots (Currently working with 4 clients on AI automations and document intelligence solutions)

- SportsTech: Performance Analytics, Scouting Tools, Fan Engagement Platforms (US, Australia) (Includes fantasy sports, live feeds, coaching platforms, and AR-ready data models)

- Legal Tech: Agreement Builders, eSignature Workflows, OCR + Document AI, Blockchain Proofing

- Sportstech - Real-Time: Video/Audio Streaming, WebRTC, Group Coaching, Townhalls, EdTech Live Tools

Schedule a Chat: https://calendly.com/mobilefirst-intro

Email: rupal(.)mobilefirst [at] gmail(.)com

Location: Germany

Remote: Yes

Willing to relocate: No

Languages: English, German

Technologies: Python, Natural Language Processing (NLP), Search Engines, Machine Learning (ML), Finance, Law, Perl, Lua, Linux, LLM, RAG, scientific Py (numpy, scipy, pandas, matplotlib, scikit-learn), QGIS & geographical Py, nltk, vector search, elasticsearch, apache solr, lucene, quickwit tantivy, PostgreSQL, clickhouse, mongodb, redshift, AWS, Azure, docker, git

Résumé/CV: https://richard.bergmair.eu/en/projects/resume.pdf

Web: https://richard.bergmair.eu/

Email: richard.bergmair@urefpa25.onmicrosoft.com

Hours: CET (European), US East, Indian

Ph.D. in NLP from the University of Cambridge; recently: course on LLMs from MIT's AI & ML Certificate

13 years of freelancing in long-term remote gigs

~ 10 years of that was heavy on Data Science & ML (Goldman Sachs, Telefónica Germany, Flowminder Foundation, ...)

~ 7 years of that was heavy on Search Engines & NLP (DuckDuckGo, JUJU a.k.a. job-search-engine.com, ...)

some special interests: privacy & data protection (TÜV-certified), legal tech, law & compliance, finance, bookkeeping

Willing to relocate: Yes

Hi I’m Mark, a Web Developer, Consultant and Automation Engineer originally from the UK. I specialise in devops/system tools, workflow automation integrations, and NodeJS web development.

10+ years working in IT, experienced delivering large projects for Fortune 500 companies internationally, and working remotely.

Most recently I’ve been developing social media SaaS and statically generated (a.k.a Jamstack) websites, built using GitHub actions, deployed to Netlify, as well as OAuth 2.0 authenticated REST APIs, Typescript, React frontends and really getting into working with Gemini Code Assist.

Technologies:

NodeJS, Perl, Python, Bash, Git, Express, Mocha, HTML/Javascript/CSS, ES2015-2020, OAuth 2.0, JQuery, Bootstrap, AWS, Digital Ocean, Netlify, Heroku, Docker, Lambda, Serverless, Message Queues, Stripe, Mailgun, Linux, Postgres, MongoDB, Redis, Nginx, Letsencrypt, GitHub Actions

About me: https://markjgsmith.com/about

Portfolio: https://markjgsmith.com/portfolio

Recommendations: https://markjgsmith.com/recommendations

Résumé/CV: On request via email

Email: markjgsmith@gmail.com

Technologies & Skills: Software Engineering, Requirements Engineering, Data Modelling & Pipeline Design, Python, Golang, SQL, AWS, Azure, Kafka, DuckDB, Postgres, Airflow, PySpark, Clickhouse, API design (full list on request)

Experienced Engineer looking for Software / Data Engineering contracts.

I support you through all phases of the software development lifecycle - from planning and requirements engineering through development and testing until go live and maintenance.

8+ years experience in different industries (HFT, automotive, logistics, internet telecommunication technology, energy) helping customers to solve their problems.

As a seasoned software and data engineering expert, my extensive experience lies in developing and connecting software to various trading exchanges worldwide in different domains (inter alia XETRA, LSE, TSX, ASX, Binance, EPEX, Reuters,..).