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Always learning and always yearning, I sincerely believe that we can achieve greater heights by collaborating on our problems. I love to be involved with technical communities in different capacities and enjoy solving issues. I have had more than 50 mentoring sessions on HackHands ( http://www.hackhands.com/hiren ). Currently I run my own business, which is into mobile apps and websites.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
I have over 5 years of professional tutoring experience (and 1000+ positive reviews on Chegg tutors before they closed). I have worked with students of all levels of experience, from high school to grad school. I'm an expert on C, C++, Python, Java, functional programming languages such as OCaml, Haskell, F#, Prolog, Scheme/Lisp/Racket, etc. I can help with CS topics such as algorithms and data structures, Computer Graphics, Cryptography, Compilers, Programming Paradigms, CS theory (Finite Automata, Regular Expressions, Context Free Grammars, Turing Machines, NP completeness, etc.). I'm also happy to help with other math, such as Calculus, Discrete math, Statistics, Number Theory. If you want help with something other than what I've listed above I can usually debug anything, but I might be learning the material along with you.
### Hands-on CTO | Lead Software Engineer | 15+ years
I build products end to end and still write code most days. I'm the CTO at Hexis, a sports nutrition platform trusted by 40% of the professional peloton at the Tour de France and 50% of the Premier League. I joined as a senior engineer, rebuilt the core data model so multi-day queries went from several minutes to under 700ms (a key factor in closing a $2.1M seed round), moved the platform to GCP and drove our SOC 2 audit. In our CEO's words, I was instrumental in building a product that delivered a 300%+ increase in ARR and found product-market fit.
Through Toptal I've worked as a lead engineer and fractional CTO. For an AI startup in financial due diligence I built an agentic RAG platform that indexed 10M+ pages and scored 100% on the Vectara RAG benchmark. I led engineering on Fashion Nova's React Native app on the Shopify Storefront API, and owned HIPAA-compliant auth, payments and audit logging for a US healthcare company.
Earlier I led a team of nine at Verizon Media/RYOT on a 3D content tool used by the NFL, HuffPost and Yahoo. Before that I worked on ISSUU's backend, which served 100M+ users a month, and built the SDK and developer marketplace for Danske Bank's District platform.
What I work with: TypeScript, Node.js, NestJS, React, Next.js, React Native, Python, Go, PostgreSQL, GraphQL, GCP, AWS, Docker, Kubernetes, Pulumi, Terraform, and LLM tooling like LangGraph, LangChain, LangSmith, OpenAI, Anthropic and Gemini. I use AI coding agents every day.
Things you can check:
* Top 1% of TypeScript engineers globally on Algora
* Toptal network member (top 3% of freelance talent)
* 200+ mentoring sessions on Codementor with a 5.0 rating
* Top 0.1% of 500,000+ users on Interviewbit
"Sachin is a real asset to any organisation." Dr David Dunne, Co-Founder and CEO, Hexis
I've worked remotely since 2016, mostly with US teams on US hours.
Website: sachinmour.com
LinkedIn: linkedin.com/in/sachinmour
GitHub: github.com/sachinmour
Algora: algora.io/profile/sachinmour
I love working with medical technology or anything on the web. I also enjoy ballroom dancing and riding the unicycle. I look forward to working with you!
I'm a software engineer with few years of professional experience at top tech companies like Google and Facebook, interested in algorithmic solutions to our daily problems and in creating large scalable systems.
Full Stack Software Engineer with 8 years of experience in developing large and small projects.
Skills: JavaScript, NodeJs/Express, AngularJS, MySQL, Bootstrap, jQuery, Gulp, Grunt, PHP, Ruby, Docker, MongoDB, Socket.io
I have 16 years of professional experience as software engineer. I teach and mentor regularly, specializing in functional programming and web development.
I have 4 years of experience teaching in junior college and university.
I specialise in teaching OCaml and fullstack web development (JavaScript, NodeJS, ReactJS, Redux).
I don't help students with their assignments.
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Frequently asked questions
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