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Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
Full-stack software craftsman and technical leader with over 15 years of experience. Equally adept at system design, programming, technical leadership, mentorship, and business collaboration. Have a wide breadth of technical experience, but specialize in backend API development, relational databases, and web applications. Passionate about simplicity and efficiency. I have worked at over a dozen companies large and small, in a handful of different domains. Also participated in hundreds of interviews, about half-and-half as the interviewer and the interviewee. I have given dozens of talks and training sessions on a variety of topics, mostly focusing on distributed systems, caching, and testing. My top skills are Java, SQL, testing, and refactoring. I have experience with formal academic and professional mentorship, and would love to help you skill up, solve a problem, or just nerd out with you today!
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.
With over 16 years of industry experience, I am a seasoned Application Architect specializing in mobile development. My journey with macOS and iOS development began in 2011, utilizing Objective-C and Swift, after working extensively with C/C++ and C# on Windows platforms from 2007. I also have hands-on experience with Python and JavaScript, enabling a versatile approach to application design. I excel in crafting project architectures and feature designs, backed by strong expertise in memory management and multithreading. My commitment to delivering high-quality mobile projects is demonstrated through comprehensive code assessments, refactoring, and extensive experience in writing both Unit and UI tests. As a team leader since 2013, I have successfully nurtured a talented group of developers, expanding our team from 8 to 17 members over five years. I focus on developing personalized growth plans, setting and achieving goals, and conducting evaluations, resulting in several team members advancing to senior developer and tech lead roles. I am adept at leading critical projects from conception to deployment for high-profile clients, with a strong focus on the entire project lifecycle. Known for my ability to modernize SDLC processes, I foster collaboration across diverse teams, driving strategic technical solutions while managing significant workloads with precision. I am committed to innovative leadership and effective project management.
I am an experienced software developer/researcher with over 12 years of experience (3 years in academia and then 9 years in the industry). I have worked in a diverse set of companies ranging from early stage startups to big internet companies. I believe I have a good knack of understanding a problem and coming up with a quick solution for it.
I am a DevOps engineer with experience in automation, networking, and server management. My interest lies not just in solving problems but in using industry best practices to deliver quality code. I believe that all problems have solutions, but not all solutions are best for the problem. Therefore, in finding the solution best suited for the problem, input from others is needed.
I am an expert Data Engineer having 10 years of experience with exposure on in-house, hybrid & AWS, GCP cloud services. I hold **Data Architect Nanodegree from Udacity**. My Primary skills include - - Languages - Python, PHP, Ruby, Javascript, HTML, CSS - Packages - PySpark, Pandas, Numpy, Flask, Jquery, Bokeh - Tools - Spark, Hadoop, Hive, Mysql, Postgres, Airflow - File Formats - json, csv, txt, Parquet - GCP - Cloud functions, DataProc, Bigquery, GCS - AWS - Lambda functions, API Gateway, Athena, Cloudwatch, Glue, DataBrew, Kinesis, S3, Redshift, Redshift Spectrum, SNS, SQS I mostly worked on developing, maintaining, optimising ETL/Data pipelines, used variety of tools & process during pipeline execution. Apart from building pipelines i holds good hands on building custom scripts or solutions. I am a quick learner & having positive mindset which helps me to tackle a complex problem in easy way. During my experience i optimised numerous pipelines where improved time by ~70% & saved cost with magnitude of 10th part. If you are looking for any help in learning, solving complex data problem, you are at right place. I am happy to help here. Thanks.
Hi! I love Java, Python, Javascript, distributed systems, large scale systems, machine learning, natural language processing and image processing. My work has been featured on the AWS blog (https://tinyurl.com/chaosrunner), The Guardian (https://tinyurl.com/topvocab) , Billboard.com (https://tinyurl.com/topprofane) and other print/digital publications. I also own Amazon's chaos testing framework called AWSSSMChaosRunner (https://github.com/amzn/awsssmchaosrunner). I am a Senior Engineer at Amazon's Prime Video and have worked on scaling backend systems to millions of transactions-per-second, utilising various cloud technologies and primarily working with Java, Kotlin and Javascript. This involves image/audio/text processing systems, creating & managing databases/APIs for mobile/web applications and everything in between. I have 15yrs+ experience with backend engineering, cloud tech, nlp, signal processing and image processing. I can help you with any of these topics. I also love hackdays and have attended 20 hackdays in Europe in the last couple of years and collaborated with beginners/experienced developers on different kinds of projects. Thanks for reading and hope to talk to you soon!
12 years of experience in software development. I am a Senior Frontend Engineer with extensive experience in React, JavaScript, and TypeScript, working on building scalable and user-friendly web applications. I’ve spent the past years working with technologies like React, Vue.js, and React Native, which have helped me develop a strong understanding of frontend architecture and optimizing performance for large datasets. I am passionate about collaborating with cross-functional teams and have led initiatives to improve UI/UX in previous roles. My background includes not only frontend work but also backend and ensuring seamless user interactions with complex systems. Development Specialities & Experience: -iOS •Languages: Swift and Objective-C •Hybrid application platforms: React Native, Xamarin •Libraries and Frameworks: CoreAnimation, CoreData, CoreLocation, CoreImage, Audio Framework, Cocoapods, Mapkit -Android •Languages: Java and Kotlin •API: Location, Map API, Search API, Media API, Widget API, Web API •Data Storage: Sqlite, File Storage -Google Map Service, SLC, OpenStreetMap SDK, Yandex Map SDK; -Social networks API: Facebook, Twitter, LinkedIn, Instagram, Google+, Tumblr, Foursquare, Flickr, Weibo, Wechat; -Flurry, TestFlight, Analytics, Admob, Push Notification, In-App Purchase Websites Development: -React -Symfony -Javascript -Jquery -Bootstrap -Woocomerce -Lavel framework
Lead Rails engineer with 15+ years of experience building and scaling applications in multiple domains. Deep expertise in Ruby on Rails monoliths, multi-tenant architectures, Postgres, Redis, and background jobs. Proven record of refactoring legacy systems, optimising queries and caching for performance, and mentoring engineering teams. Experienced in React/JavaScript frontends for highly interactive features. Thrive in fully remote, async teams that value autonomy, collaboration, and product focus.
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