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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.
American (native English speaker) living abroad. I teach people how to get projects built fast and become successful developers 🔥. I don't compete on price, but I do compete on quality, speed of training, and lack of a language barrier 🙂 **Free Resources** ▶️ I have a growing [YouTube channel](https://www.youtube.com/channel/UCPsi8tNv7UuNRljOTK5sl4A) where I cover popular requests I get. **Why Work With Me?** ⭐ More than 250+ 5 Star Reviews (see my [Wyzant profile](https://www.wyzant.com/match/tutor/87903194) too) 🗽 Native English speaker ✅ EXTREMELY responsive (from 10am to 10pm Portugal time) 💰 Successfully started and improved software dev careers for multiple clients. ⚪ Able to communicate complex topics simply ❤️🔥 Burning passion for coding and teaching 👁️ Can provide Process Maps for visual learners **Refund Policy** 💸 If I'm unable to help, you get a full refund. Easy 🙂 **Backstory** I started programming in 2018 after my mentor told me that it really fits the way I think. Before I started I was learning marketing, working in Facebook Ads and Shopify Stores (with Google Analytics, VWO, and other website optimization softwares), I was more interested in automation, and building to do tasks only once. I started at first learning Python for automation (which is still my primary language and what I really enjoy coding in). Eventually, I learned that by itself, Python isn't that sharable if you want other non-coders to use the my apps, so I grew my way into web development, diving deep into Django, HTML & CSS, building multiple sites with only those to get experience, for example: - My website: https://www.zackplauche.com/ - A mini app I built: https://www.dollarperhourcalculator.com And more :) Then eventually learning JavaScript and the Vue.js framework to take my websites, designs, and User Experiences to the next level, building at first simple apps like my DollarPerHour Calculator (https://zackplauche.github.io/DollarPerHourCalculator/), and more advanced ones, like the current one I'm developing (still in progress, but it's the biggest app I've ever build, using both Vue.js and Django). I've been teaching programming since 2019, and my students have loved me. I have students I work with that have been working with me weekly since I first started (more than 5 years now!). They helped me keep both my coding and teaching career sustainable as I was helping them with their issues, training them to be effective developers, starting my own software agency, and building my own apps. I'm extremely grateful to my students and truly care about and do my best to support their success in whatever their endeavors.
With over a decade of experience in full-stack development, I specialize in **Ruby on Rails, custom eCommerce solutions** (Spree, Solidus), **ReactJS**, and **DevOps**. My expertise spans designing and developing scalable, distributed cloud-based applications with a strong foundation in **database architecture** and **system refactoring**. As a technology leader, I’ve successfully delivered complex, high-impact projects across industries including **Real Estate, Finance, Healthcare, Marketing**, and **eCommerce**. My portfolio includes building sophisticated eCommerce marketplaces, **SaaS platforms**, and multi-channel selling applications. I am passionate about crafting innovative, robust software solutions tailored to meet diverse business needs. **Key Expertise:** - **Backend:** Ruby on Rails, building and scaling RESTful APIs. - **Frontend:** ReactJS, JavaScript, responsive UIs with Tailwind CSS, and Bootstrap. - **eCommerce Solutions:** Spree, Solidus, custom marketplaces, multi-tenant SaaS platforms. - **Database Architecture:** MySQL, PostgreSQL, MongoDB, Redis, Cassandra, optimized for high performance and scalability. - **DevOps:** CI/CD pipelines (CircleCI, AWS Pipeline), containerization (Docker), cloud platforms (AWS, GCP, Heroku, DigitalOcean). - **Test-Driven Development:** Expertise in TDD using RSpec, ensuring high code quality and maintainability. In addition to my technical expertise, I have a strong commitment to **open-source contributions** and have developed multiple **Ruby/Rails/Spree extensions**. I also bring a wealth of experience in **refactoring legacy code bases**, implementing **performance optimisation**, and improving **scalability** and **security**. My passion lies in helping businesses unlock their full potential through technology, and I am always eager to collaborate on long-term, impactful projects. Let’s build the future, one line of code at a time. Best regards, Rahul Singh
A full-stack software engineer passionate about crafting scalable, high-performing web solutions. With a strong focus on appealing user interfaces, efficient software design, and outstanding online platforms, I leverage my tech stack to build exceptional products. I thrive on collaborating with other talented engineers to deliver quick and effective solutions.
I'm a **polyglot fullstack software developer** (*I'm able to effectively work with multiple languages, tools, and frameworks*) with over 13+ years of industry experience in web application development. I'm also an instructor and mentor in various bootcamps having lead class cohorts, mentored groups of students and 1:1 tutoring sessions. I'm experienced in **Python**, **ECMAScript** (Javascript or Node.js), **Java**, **C#** **Ruby**, **PHP**, and even **Scala**. I work in both frontend and backend spectrums of the web stack, so whether you're debugging something in React.js or you're stuck on a complex SQL query, I'm more than happy to help in your code debugging adventures. My instruction style is that I like to guide the student towards learning *how* to solve rather than simply giving you the solution - I don't believe a student should be stuck on always referring back to a senior developer to get unblocked, but should be empowered to solve their own problems. Now that's real mentorship!
I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers. What I can help you with (fast, practical): • iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup • Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness • Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety • Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation • Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features. If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.
Technical cofounder, board member, and seasoned operator with experience building and growing early stage companies (pre-seed to late Series), large scale government and commercial projects, and nonprofits.
As a Senior Software Engineer with over a decade of professional experience, I specialize in creating scalable, high-performance platforms that drive business success. My expertise spans full-stack development, system design, cloud integration, and database management, all executed with a commitment to innovation and problem-solving. Key Achievements: -> Developed AI agents solutions for research through company documents and a multitude of sources -> Spearheaded the development of a project ingestion feature that streamlined client communication, reducing mismatches by over 30%, ensuring faster project initiation and completion. -> Integrated a decade's worth of research into an easily navigable insights library, improving knowledge accessibility for stakeholders by 40%. -> Coordinated the onboarding and management of a third-party outsourcing team, accelerating feature delivery timelines. -> Designed a codeless SaaS QA platform that automated mobile testing, reducing testing time and enhancing reliability across app versions. -> Throughout my career, I have embraced emerging technologies like Generative AI for automation and adopted future-proof strategies to ensure platform stability and responsiveness. At Wonder, I lead initiatives that leverage generative AI for delivering client-centric solutions. Core Competencies: -> AI engineering and harness -> Full-Stack Development -> Cloud Solutions -> Software Quality Assurance and Automation -> Collaborative System Design and Future-Ready Architecture Beyond technical skills, I excel in cross-functional collaboration, aligning diverse stakeholders to deliver impactful results. Passionate about crafting systems that exceed expectations, I am driven by a vision to innovate and elevate the digital experience for users worldwide.
I have 8 years of professional experience with software development mostly with Ruby on Rails, React and AWS. In my latest role as a staff software engineer I had the responsibility of keeping our platform performant and resilient while guiding a cross-funcional team of software engineers, designers, and product members to achieve company wide goals.
Anything javascript related I am your guy. I work mostly in the React ecosystem. I've been actively working for 9 years now as a frontend focused developer. I know how to do full stack. At this time my biggest focus is teaching, I am currently an instructor and mentor at a local bootcamps. Additionally, I have a few apps that generate income and I maintain those, one of which is a Javascript Course/Path/Academy. What I can do for you, I can help you with: - Help you push out an MVP, launching your idea fast! - Partner/Developer (CTO) for your next idea - any javascript issue - teach you programming - teach you javascript,html,css, react,next. (from 0 to finish or just help you understand a specific feature that you need help with) - fix bugs in the above-mentioned categories - code for you, help you finish some features at your job, - prepare you for a job interview (I have held 50+ interviews, and have been to 100+, i have helped 30+ improve their interview game) - advice you on how to improve in your career and how to advance - you can have me as 'on call' to help unstuck you at your current job I believe my reviews do me justice and speak about me. I am fast and direct when working, but when I teach I am at working your pace and help you learn. You can have a chat with me if you choose to: Feel free to message me at macesmajli@gmail.com with the subject "Codementor BIO" so I know this is how you found me and we can take it from there. Thanks for reading up, looking forward to working with you.
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