Ask HN: Freelancer? Seeking freelancer? (June 2025)
Please lead with either SEEKING WORK or SEEKING FREELANCER,
your location, and whether remote work is a possibility.
Please only post if you are personally looking to hire a freelancer or work as one. Agencies, recruiters, job boards, and so on, are off topic here.
155 comments
[ 2.8 ms ] story [ 258 ms ] threadWe're a specialized consultancy focused on compiler engineering and developer productivity solutions.
Our services include:
- Compiler Engineering: custom programming language design and implementation, LLVM/MLIR expertise
- Developer Tools: static analysis, debuggers, profilers, IDE tooling
- Reverse Engineering Tools: decompilers, binary analysis tools
- Systems Programming & Performance Engineering: custom databases and storage engines, kernels for hardware accelerators
Available for both short-term projects and ongoing engagements.
Website: https://tatsusystems.com
Email: hello@tatsusystems.com
Application Developer with over a decade of experience.
* Native application development for iOS, Android, Mac and Windows
* Creating and/or integrating APIs/SDKs
* TV/Video applications on all platforms (Apple, Android, Amazon, Roku)
Extensive experience building products and platforms from the ground up.
Email: info at squirrelpointstudios dot com
Hi HN! I'm a full-stack developer with a strong frontend focus - 10+ years of experience building fast, clean, and scalable web apps.
On the frontend, I work with React, Vue, and Svelte. On the backend, I've shipped systems using Go, Python, and Node (Nest.js, Django, FastAPI, etc). I enjoy working on thoughtful product design and efficient APIs just as much as hacking on UI.
Lately I've been freelancing through ainurhq.cloud, doing both client projects and internal tools. Some recent work includes:
- jsDelivr: contributed engineering support and improvements
- Radiabase: contributed to a CRM-style lead and sales management platform
- UniDeck: a no-code, plug-and-play dashboard builder with built-in integrations. Built from the ground up with my team at AinurHQ
I'm currently looking for freelance/contract roles (or possibly full-time) - ideally on a modern product team where I can contribute across the stack.
Feel free to reach out if you're building something interesting:
- mpourismaiel@gmail.com
- mpourismaiel.com
- GitHub: https://github.com/mpourismaiel
Tech stack:
- Languages: TypeScript, JavaScript, Go, Python
- Frontend: React, Vue, Svelte
- Backend: Nest.js, Express, Django, FastAPI, Gin
I am a backend expert, having built and maintained mission critical, low latency and highly available systems for several companies over the last 10 years, in addition to over 20 total years of software development experience. I learn new things extremely quickly. AWS preferred but not required.
You will like working with me because I:
Concrete examples:* built the streaming data architecture for realtime game player tracking information (all games, 50ms SLA) and game stats for one of the top 3 US sports leagues (can’t name drop!) using Redpanda/Kafka on Azure+Terraform, and implemented its developer portal using Gravitee to provide first class streaming API support and monetization. Also built, deployed and maintained their ask-a-question-get-a-true-answer AI bot to expose 20+ years of stats to natural language fan questions!
* Implemented a vector DB for one of the leading AI image hallucination platforms (millions of users) to provide an image similarity service.
* replatformed dozens of complex quant jobs to AWS Lambda for a startup hedge fund, vastly improving QoS and maintenance cost. Line 1 to platform-in-prod time 3 months, including refactoring for fit.
* built a ~50 node, AWS, Dockerized, Terraform-deployed distributed system to provide realtime, transformed trade data from crypto exchanges to a Kafka pipeline and data lake (fodder for an analytics platform). Met 5000msec SLA across arbitrarily many exchanges and ticker symbols. Blue-green deployment for complete CICD safety. Cloudwatch metrics proved SLA was met and provided general system oversight.
* built a framework to collapse dozens of singleton ETL programs into one config-driven, simple C# application performing the same functionality at ~80% reduction in maintenance cost year over year.
Contact: jon.north@adiuvat-consulting.com More: www.adiuvat.io
Keywords: Python, C++, SQL, NoSQL, Go, Golang, Docker, Git, Linux, Bash, Windows, Kafka, Redpanda, PySpark, Spark, Terraform, AWS, Azure, Redis, Postgres, MySQL, SQL Server, SAP HANA, LDAP, Active Directory, OAuth2, Cursor
Technologies: Mechanical Engineering, Product Design and Management, Systems Engineering, Startup experience, Marine and Critical Applications Experience. CV: Available on Request Email: ineedanengineer@outlook.com
I bring your solutions to life.
An Engineer of many hats, I solve your problems and bring them into the world. I’ve built entire systems from the ground up, delivered physical products in a matter of weeks, and kept Oil Rigs working offshore, built departments filled with the best people to produce top results and make the wonderful dreams reality.
With a background in Electro Mechanical Engineering, I’ve designed products for the consumer, offshore, military markets, so I know what good hardware looks like. I’ve built prototypes for many markets, and architected complex systems from concept to retirement, in a complete cradle to grave manner. I’ve worked closely with software teams to guide development of new features to protect marine vessels from GPS jamming, developed APIs for integration and dug through code by hand to reverse engineer old products that haven’t been touched in decades to determine their operation and how they will be supported and upgraded to turn them into the feature they should be.
As an Engineering Manager, I’ve been the driving force behind teams. I’ve worked with remotely distributed teams across many different disciplines, all working towards the end goal without ego getting in the way. My job has always been simple as the EM, give the team the tools and trust they need to do their absolute best.
Your idea is your baby, it’s precious to you. I’ve worked at startups, small companies and mega corporations and I’ve always maintained a very simple philosophy when it comes to work - “are we doing what the customer needs with the best people we can get?”
I’m your mechanical engineer, engineering manager, product manager, systems engineer, R&D specialist, market analyst and head of technology in one, and I’m ready to make your dream the product it needs to be, hardware or software.
Remote: Yes
Location: UK (Flexible on your timezone)
Relocation: No
Email: PTGPSoftware@outlook.com
Very competitive pricing available for fast turnaround PHP / JS or Node projects.
* Laravel or Legacy/Vanilla PHP
* LLM and RAG (Retrieval augmented generation) Integraton.
* Vector databases
* Electron desktop applications
* Realtime/websocket applications with either PHP or node
* React/Inertia or Livewire on the frontend
If you have a crazy idea and want to see if it is viable then let me build out the MVP for you, if you are worried about budget then lets figure out together how to scope it to make it affordable to you.
Or perhaps you have a messy PHP codebase from 10 years ago, let me think about how to refactor it for you.
Or perhaps something else entirely!
Location: Germany
Remote: Yes
Willing to relocate: No
Languages: English, German
Technologies: Python, Natural Language Processing, Search Engines, Machine Learning, Finance, Perl, Lua, Java, Linux, Golang, Haxe, scientific Py (numpy, scipy, pandas, matplotlib, scikit-learn), QGIS & geographical Py, nltk, word2vec, vector search, llms, elasticsearch, apache solr, lucene, quickwit, tantivy, PostgreSQL, clickhouse, mongodb, redshift, AWS, Azure, docker, git
Résumé/CV: https://richard.bergmair.eu/en/projects/resume.docx
Web: https://richard.bergmair.eu/
Email: richard.bergmair funny-at-shape urefpa25.onmicrosoft.com
Hours: CET (European), US East, Indian
Ph.D. in Natural Language Processing (NLP) from the University of Cambridge; recently: course on LLMs from M.I.T.'s AI & ML Certificate
13 years of freelancing
~ 10 years of that was heavy on Data Science & Machine Learning (Goldman Sachs, Telefónica Germany, Flowminder Foundation, ...)
~ 7 years of that was heavy on Search Engines & Natural Language Processing (DuckDuckGo, JUJU a.k.a. job-search-engine.com, ...)
some special interests: privacy & data protection (TÜV-certified), law & compliance, finance, bookkeeping
Location: Greater NY (US ET) | Remote: Yes
I’m a YC alumni. I specialize in AI and machine learning, with experience in backend and fullstack development, as well as data engineering. I have shipped new features and products powered by big data, machine learning and AI. I help companies build AI driven products that customers love. My most recent project involves building multi-lingual, multimodal conversational AI.
Portfolio: https://ivylee.github.io/
Resume: https://ivylee.github.io/resume.pdf
Email: ivy AT studioxolo.com
Location: US
Remote: Yes
Willing to relocate: No
Technologies: Javascript, Typescript, React.js, Vue.js, Angular, D3.js, Chart.js, Three.js, Storybook, Material UI, React Native, Node.js, Express.js, GraqphQL, Python, Ruby, Jest, Cypress, ENzyme, AWS EC2/S3/Lambda
Résumé/CV: https://drive.google.com/file/d/13RfkARmHXTjZnCHye2tfMwcwshx... Email: johnhood920924@gmail.com
Passionate Senior FrontEnd Developer with 10 years of experience in writing complex logics beneath a simple UI/UX. Possesses a keen eye for detail and a design-oriented mindset, which has led to the successful delivery of successful products like Zillow, Airbnb and Walmart+
SEEKING WORK | Remote (EU/US) | Senior Product Designer – Design Systems, Design-to-Code workflows, Accessibility
—
Portfolio: https://raigo.design/case-studies
Email: hi@raigo.design
LinkedIn: https://linkedin.com/in/raigolilleberg
—
Services
UX/UI cleanup & prioritization sprint
For teams with messy or inconsistent UI – I review 3–5 screens or flows and deliver focused feedback, Figma updates, and a prioritized action list covering UX, consistency, and early accessibility wins.
.
Design system sketch pack
For teams overwhelmed by UI duplication and design debt – I analyze your UI patterns and propose a scalable Figma component system with tokens, naming conventions, and (optional) dev-aligned notes or html/css examples.
.
Design-to-code process tuning
For teams struggling with slow or messy design handoff – I audit your design-to-dev workflow and suggest improvements, including refinements to your Figma files and process alignment with engineering.
.
Accessibility review (early stage)
For teams just beginning to consider accessibility – A lightweight audit of 2–3 key screens against WCAG 2.1/EAA standards, with an actionable checklist and UI recommendations.
.
Fractional design partner (ongoing)
For lean teams that need a reliable senior designer – Bi-weekly async support across UX, design systems, design-to-code workflows, and accessibility—adapting to your team's specific goals and workflows.
—
I’m Raigo — a senior product designer with 10+ years of experience, including 7+ focused on web and mobile apps. I’ve worked remotely with startups and digital teams across the EU and US.
My strengths lie in streamlining design workflows, building and scaling design systems, and collaborating tightly with product and engineering. I work well in async environments with high autonomy and accountability.
Lately I’ve been deepening my practice in accessibility (WCAG, EAA, ARIA), design engineering, and AI-enhanced workflows.
If your product needs clarity, structure, or faster delivery—I’d be glad to help.
—
Let’s talk: hi@raigo.design
—
Raigo Lilleberg
https://raigo.design
https://linkedin.com/in/raigolilleberg
——————————————
I'm a full-stack developer specializing in Django on the backend and React on the frontend. I help lean startups and small teams build robust web apps, MVPs, and internal tools — quickly and cleanly.
What I offer:
Fast MVP development and prototyping
Clean REST with Django or DRF
Modern, responsive UIs in React with Tailwind
Integration with Stripe, Auth systems, background jobs (Celery), etc.
Comfortable working solo or embedded in a team
Tech: Python, Django, DRF, React, Next.js, Tailwind, PostgreSQL, Redis, Celery, Docker, AWS, GitHub Actions Location: [Philadelphia, US] | Remote: Yes | Willing to relocate: No Availability: Part-time or short-term contract preferred
Email: catsarebetter98 [(at) ] gmail.com
Let’s build something useful and beautiful. Happy to discuss small one-off projects or longer-term work.
Location: Africa or REMOTE
Willing to relocate: yes, to any location in Africa, where I can get the necessary permission to live and work. Occasional travel is possible.
Technologies: Linux, Front or Backend Web Development, General Software Development, System Administration.
Résumé/CV: on request (software development, CTO, mentoring, training, fluent in English and German, german citizenship)
Contact Email: see profile or http://codingforafrica.at/
Like this Ask HN: Recommend employers with positive social impact [https://news.ycombinator.com/item?id=31518945], I am looking for similar work, but I am open to work on any interesting project. I am a European software developer who has lived and worked on four continents. Now it's time to move on and so I am in the process to relocate to Africa.
I have more than a decade of experience running a company, doing software development, support and training and mentoring adults and students, as well as working on educational projects, and I am willing to take on a mixture of roles as needed to support a project.
I value good teamwork over fancy tech, and I don't shy away from working on legacy code. I am primarily motivated by solving problems, so let me help you solve your problems.
I am open to work for companies anywhere as long as the work can be done fully remote from Africa.
While I could find a job elsewhere I believe that the experience living in an area where my work is going to have an impact gives me a better understanding of the needs of the location I am serving. Whether it is through direct contact with clients and users or just by being part of a local community and learning about the reality of living there.
In addition, I want to use some of my income to hire local interns and junior developers and train them in order to pass on my experience. I also sponsor children that otherwise can't afford to go to school (see my website). If you want to support this, I would love to work with you. Also if you are interested in hiring African developers yourself. I can help you build up your team.
Well versed in python and javascript, but capable in other languages as well (the majority of this past year has been writing zig, and have deployed Java/Golang/C/Dart recently).
Commonly found using Django but not restricted to that. Lots of experience with modern react/vue as well as Flutter. I've been a remote worker for a decade now, so I had a track record of getting things done without direct supervision. I live in the UK but can and have worked with US entities.
contact: shu DOT chen AT freelancedreams DOT com
Full-stack AI developer experienced in building successful products from ideation to production. I can help with both existing and new projects. Samples of work can be found in my portfolio below.
Keywords: TypeScript, Python, React, Django, Pandas, REST/GraphQL APIs, Docker, Node, Numpy, SQL
Portfolio including GitHub, projects, and contact details:
https://www.awalsh.io/
I'm a Data Engineer with 3+ years of experience in large-scale data infrastructure, automation, and financial systems (Santander, Bradesco). I design and build high-performance, reliable, and automated data pipelines for mission-critical systems handling billions of dollars monthly.
Tech Stack: Languages: Python (Automation, Crawlers, APIs, Data Pipelines), SQL, PySpark Databases: PostgreSQL, MySQL, Redis, Elasticsearch, HBase Tools: Spark, Hadoop, Airflow, NiFi, Docker, OpenShift, Azure DevOps, ArgoCD, Git, Linux, Selenium Data & Analytics: Pandas, NumPy, Scikit-learn, Matplotlib, Seaborn
I've worked on systems that move billions of dollars monthly, with a strong focus on performance, automation, and data reliability.
Projects: Data Pipeline - Crawler + Shopify Integration (Crawls e-commerce data and automates product publishing to Shopify.)
Low-Cost Elasticsearch Cluster Setup (Docker-based Elasticsearch cluster with Ngrok tunneling, TLS, and node discovery - designed for development, testing, and MVP environments.)
Availability: Open to freelance (part-time/full-time), short or long-term projects - remote globally.
Contact: Email: gustavofortti@gmail.com LinkedIn: https://www.linkedin.com/in/gustavo-d-12627416a/
We're Stored – a digital payments startup redefining how merchants sell and get paid. We recently closed an oversubscribed funding round, driven by several new partnership agreements with some of the world's largest payments businesses.
You’ll be joining a small team where your work will have immediate and visible impact. The majority of the backend has been built by one of our founders, and you'll work closely with them to help take it to the next level.
What we’re looking for:
-Strong experience with C# and back end systems.
-Deep understanding of Postgres, performance tuning, batching, and scaling.
-Proficiency in TypeScript, and capable of owning full features end-to-end.
-Comfortable handling front end logic (we use Svelte, but experience with any modern framework like React or Vue is fine). To be clear, you won't need to design/build UIs, but you should be able to work across the stack.
-Experience with Linux and networking, especially profiling/debugging in high-traffic production environments is desirable but not essential
-Fluent in written and verbal English
-Self-disciplined, motivated, and able to manage concurrent tasks
This is a fully remote role, but we’re based out of London, UK and so only considering candidates in GMT/BST ±3 time zones who are willing to work between the hours of 8am - 6pm GMT/BST.
Interview process:
1) Initial video chat where we'll get to know you and ask some technical questions
2) Technical exam
3) Final call with the wider team
Please email CVs to tech-hiring[at]joinstored.com
Remote: Yes
Willing to relocate: No
Technologies: JavaScript, React, Next.js, Node.js, PHP, WordPress, Tailwind CSS, Hugo, SQL, APIs, AWS, GCP, Vercel, Netlify, CDNs, Shopify, iOS, Swift, Progressive Web Apps
Résumé: https://hire.scottmakes.tech/resume
Portfolio: https://hire.scottmakes.tech/portfolio
Email: scottmakestech+hn@gmail.com
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Full-stack developer with 18+ years of experience building websites and applications across industries including media, finance, and e-commerce. I work across the full stack to create fast, accessible, and scalable solutions. Comfortable owning the entire development lifecycle—from architecture and infrastructure to UI/UX and performance optimization. Deep experience with custom CMS solutions, serverless architectures, and integrations with complex APIs.