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* 15+ years of experience in software development. * 7 years of building apps with NodeJS, React and Angular. * 5 years of hands-on work with cloud-based. * Solid background in computer science and software development. * Proficient in important practices like Clean Code, Refactoring, Test Automation, and CI/CD. * Exceptional at solving problems and learning new technologies quickly.
I teach Operating Systems and functional programming fundamentals to CS students and guide fellow professionals through legacy codebase maintenance, practical software architecture, and new language/framework learning skills. For students, I offer two types of sessions - one is a lecture-style session where I can go over course notes/slides on a particular topics and offer additional explanations and examples to improve your understanding of the material. Another type is an assignment take-up session where I can go over a past assignment and guide you through steps to solving it. For working professionals, I offer the following options: * Focused problem-solving sessions - if you have a particular issue that you're stuck with in a project you're working on, I can pair with you over Zoom screen-sharing * Code review - if you cannot understand how to work with part of your codebase or if you'd like a second opinion on work that you've just completed, I can pair with you over Zoom and do a live code review and/or prepare ahead of time and go over my findings on a call * Long-term mentorship - if you would like to learn some more fundamental skills or pick up a framework/design pattern/best practices, I can develop a custom-tailored learning plan that fits your skill level and schedule and offer regular teaching sessions with optional take-home exercises A bit about me --- I am a tech founder and a senior polyglot/full-stack developer, with a passion for teaching and mentorship. In a bit of spare time from my work, I am looking to help fellow software developers get more comfortable with our craft and exercise my teaching skills while I'm at it. So far, I've done a wide range of work - web app front-end and back-end, data pipelines at scale, DevOps/infrastructure, mobile (quite a bit of iOS and previously some Android) and some security. I have a reasonable taste for UI design and user experience, despite that not being my primary specialization. The industries I've worked in so far were heavily concentrated around finance/banking/FinTech and GovTech, although I've also been a founding developer at a couple of B2C startups and learned a lot throughout that experience. My personal research interests include operating systems and programming language theory. As cliche as it sounds, I try to learn something new all the time and I consider this of vital importance to my professional skillset. I always prioritize systems understanding and learning how to learn over memorizing APIs - and it's a philosophy that I try to share with my students as well. Teamwork and constant exchange of expertise with my peers is a close second most important value to me. A software product can be almost meaningless without a team that welcomes learning from failures, encourages curiosity and fosters true human friendships, and empathy both towards each other and towards the customers of the software we create. New client intake process --- 1. Intro/triage call [free of charge] [15 min] - this is a Zoom video call where I try to understand your background, the problem you're looking to solve and whether I believe we'd be a good fit for a productive mentor/mentee relationship. 2. Supplemental terms acceptance - as an independent contractor and not an employee of Arc, I ask my clients to accept a few additional terms that make session time measurement, scheduling and work product acceptance more precise, and further clarify the extent of our mentorship relationship. 3. Creation of Freelance Job/Scheduled Session on Codementor - if you haven't done that yet, I will ask you to create and assign me a freelance job and/or a scheduled session with a precise description of the topics we would be covering. For certain sessions, preliminary preparation may be required - if that is the case, we would discuss the details and estimated time ahead of time and a Freelance Job would be required to cover the effort of the preparation. Availability --- Please take a look at my Codementor calendar to plan intro calls and sessions. Generally, I am available between 3:30pm and 8pm Eastern Time (New York/Toronto), Monday to Saturday, but I try to schedule all of my teaching engagements between 6pm and 8pm whenever possible. *IMPORTANT: Urgent sessions are unfortunately not available at this time.* I am currently working through Codementor as a mentor, and unable to work as an on-call freelance developer. Please also note that I cannot provide consultations over chat - in my experience, it's generally more time-consuming for everyone, and copy-pasting code over chat can get messy. For those reasons, I only work through Zoom video calls with screen sharing. If you have any questions about the process or would like to book a call, I am happy to chat on Codementor - I should be usually available Monday-Saturday, 1pm - 8pm Eastern Time, subject to my other engagements. While I try to respond as soon as I can, I may take up to one business day or longer depending on how busy my schedule might get.
Hey there! I'm Owais Jamil and I’m a software engineer with roots in New England and Austin, TX. Right now I’m enrolled as a master’s candidate at the University of Texas, most recently worked as a senior backend engineer at Edlink. I have experience working on mobile and web apps, and have tutored and taught others in the past.
Senior DevOps, DevSecOps, and Enterprise Architect with over 10 years in Architecting and Impementing Highly Performant, Highly Scalable and Highly Secure Systems that conform to Industry Best Practices. I have had the privilege of serving in the Health, Finance, Insurance, Manufacturing, Educational and Power sectors. I have also had hands on experience in designing and implementing Zero Trust Infrastructure, ISO 27001 and SOC II Compliant Architcture and Processes. I take pride in mentoring the younger generation and I have many success stories. I am very compatible with working within GMT -8 to GMT +3 timezones with 6 to 8 hour overlaps. Skills and Technology: C#, Python, Node.js, .Net Core, [ASP.Net](http://asp.net/) MVC, Worker Services, Django, Express.js, Microservices, Docker, APIs, Git, Jenkins, Octopus, CircleCI, Kubernetes, MongoDb, SQL Server, Elasticsearch, Redis, Service Bus, RabbitMQ, MySQL, PostgresDB, AWS, GCP, Azure, Agile, NoSQL, TDD, DevOps, DevSecOps, CICD, Biometrics, Team Management, System Admin, Mentor, ClickUp, JIRA, Terraform
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.
***If you’re stuck with architecture decisions, scaling issues, or modern Node/Next.js challenges, I can help you move forward quickly and confidently.*** I’m a Senior Full-Stack Engineer with 17+ years of professional experience, helping startups, founders, and engineering teams design, build, and scale reliable web applications. I’ve delivered production-grade systems including e-commerce platforms, SaaS products, content management systems, real-time dashboards, and internal tooling. My recent work focuses heavily on NestJS backends, Next.js applications, and AI-driven automation using n8n. I’ve worked across healthcare, quick commerce, and service-based platforms, often stepping in to: - Review and improve existing architectures - Fix performance and scalability bottlenecks - Guide teams on best practices and clean code - Help founders make the right technical decisions early I communicate clearly, ask the right questions, and focus on practical solutions—not overengineering. ## Core Technical Expertise **Languages**: JavaScript, TypeScript, Python, PHP, Java **Backend & APIs**: Node.js, NestJS, Express.js, Django, Spring Boot, Laravel REST APIs, Event-driven systems, Background jobs **Frontend & Full-Stack**: Next.js, React.js, Angular, Vue.js SEO-friendly apps, dashboards, and admin panels **Databases & Messaging**: MongoDB, PostgreSQL, MySQL, DynamoDB RabbitMQ, Apache Kafka **AI & Automation**: n8n, AI bots, workflow automation, third-party API integrations **CMS & E-commerce**: WordPress, Drupal, Magento Custom plugins, performance tuning, security hardening **Cloud & DevOps**: AWS, DigitalOcean, Linode CI/CD pipelines, deployments, scaling strategies ## How I Can Help on CodeMentor 🧠 Architecture reviews (NestJS / Next.js / SaaS) 🛠️ Debugging complex backend or async issues 🚀 Performance & scalability improvements 🤖 AI & automation workflows using n8n 📈 Guidance for startups & small teams 🧑🏫 Mentorship for mid-to-senior developers ## Reasons to Choose Me 17+ years of real-world engineering experience Clear, honest, and structured communication Strong grasp of system design & trade-offs Reliable delivery with professional discipline Focused on long-term, maintainable solutions
I am an internationally experienced CTO, Systems Architect, Leader and Full Stack Software Engineer with 40 years experience in hands-on coding and building systems, teams and processes that scale. For the past 7 years I have been running my own Fractional CTO agency, and focus on helping startups build and scale 1st class development teams and processes. Recent projects/companies: 2025 Interim CTO at www.orynth.dev an AI website builder, Athens 2025 Interim CTO at [www.legalutopia.co.uk](http://www.legalutopia.co.uk/) (bankrupt Oct 25), London 2024-25 CTO at Cherny Enterprises Ltd - stealth Ai startup, Miami/London 2023-24 Frontend Lead at [www.dicer.ai](http://www.dicer.ai/), AI/MarTech startup, NYC 2022-23 Interim CTO at [www.scrolller.com](http://www.scrolller.com/), a social media startup with 10 million MAUs, NYC 2019-22 Staff Developer at [www.triplepointliquidity.com](http://www.triplepointliquidity.com/) a blockchain startup in Private Equity - NYC, 2018-19 Interim CTO at a blockchain startup (a pro-bono role), Zurich 2019 Staff Developer at [www.winnr.gg](http://www.winnr.gg/), eCom startup, Paris [http://www.richardmcsharry.com](http://www.richardmcsharry.com/)
I am a seasoned software developer with years of experience in designing, developing, and deliveringhigh-quality web and enterprise solutions. My capacities span a wide range of technologies including; cloud computing, microservices, enterprise solutions development, server systems, messaging systems, database systems, containerization, CI/CD, data engineering andenterprise development. * 15+ years experience in designing, developing and managing web and enterprise applications as a senior full stack developer in various domains. * Extensive work experience involvement in all phases of Software Development Life Cycle (SDLC) starting with project initiation, requirement gathering, requirement analysis, functional design, systems design, coding and implementation of multi tier enterprise solutions using Agile and SCRUM methodology. * Extensive experience in Java, Jakarta EE technologies such as JDBC, JSP, Servlets, Spring Framework (Spring Boot, Spring IOC, Spring AOP, Spring MVC, Spring Cloud, Spring Security, Spring Data JPA, Spring Cache, Hibernate, activeMQ etc). * Extensive experience in the implementation of Event Driven, RESTful APIs and Microservices using spring boot and spring cloud. * Experienced in developing UI or frontend based applications with JSP, EL and React.js. * Extensive use of Docker containers to dockerize applications into images for CI/CD applications pipeline setup, to run tests in sandboxed environments for consistent test runs, on local and continuous integration to staging and production environments.
Senior full-stack engineer and architect specialising in **React, TypeScript and Node.js**, with extensive experience delivering **complex, high-pressure products** across startups, agencies and regulated environments. Known for **simplifying hard problems**, shipping reliably under constraints, and bridging architecture with hands-on implementation. Regularly brought into early-stage or at-risk projects to unblock delivery, establish technical direction, and raise engineering standards.
I’m a positive, results-driven, and innovative software expert with 8 years of experience proffering solutions to existing and prospective client’s requirements. A Microsoft Certified Enterprise Software Developer/Certified Business Analysis Professional (CBAP®) with countless large-scale solutions delivery in both private and public enterprise space. A Change management advocate and influencer with a remarkable style of achieving buy in with stakeholders and Executives. My skills cut across: Solution & Software Architecture Microsoft Azure Deployments, Cloud computing and CI/CD Business Analysis & Advisor Knowledge of Domain/DNS Management Software Requirement Gathering/Management Software Application Development & Support Programming/Framework: C#, .Net, Asp.net Core, RESTful API, jQuery and JavaScript, Java spring boot. MVC Razor. Version Control: DevOps, GitHub, Visual Studio Team Services (VSTS) Protocols: HTTP ,SMPP, POP, RabbitMQ, Microsoft Message Queue(MSMQ) Microservices, Azure, Docker, Hang Fire Background Service, Azure App Services, Azure blob storage, Web Api, SharePoint provider hosted App, Asp.Net, C#, Bootstrap, CAML Query, Client-Side Object Model (CSOM), MSSQL Server, Redis Cache
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