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I’m a dedicated software engineer with 5+ years of experience, specializing in Ruby and Rails development. My primary focus has been building and optimizing payments and financial systems, ensuring robust, scalable, and secure solutions for complex transactional workflows. Beyond Rails, I’ve worked with JavaScript, Golang, Elixir, Python, and other technologies, giving me a broad technical foundation to approach diverse challenges. I’m also skilled in implementing CI/CD pipelines, leveraging Docker, and automating workflows with GitHub Actions to streamline development and deployment processes. In addition to my industry experience, I’ve served as a university IOT teacher, combining my technical expertise with a passion for teaching. Whether it’s debugging code, designing architecture for financial systems, or mastering best practices, I enjoy mentoring developers and empowering them to succeed. Let’s collaborate to solve your coding challenges and elevate your projects to the next level!
I am a distributed systems engineer with good amount of Cloud native and DevOps experience. I started as a python developer but now primarily develop in Elixir, Golang and Python. Due to my functional programming background my code is fairly testable and hence requires less reworks. I have developed APIs, microservices, Terraform providers, APIs, automations and provisioning systems for companies like Splunk and Cisco. My ideology is effective communication and accountability due to which I am highly effective a remote setting.
Software consultant having worked as Engineering Manager and Lead Software Engineer in Javascript, Python and Elixir with over 12 years of experience demonstrating versatility and team leadership in diverse business domains from startups to big-tech. I run a software consulting and development firm where we take care of the entire product engineering lifecycle for you. With a background in structured, procedural and functional programming, implementing software architecture using principles such as Context Mapping, Domain Driven Design and C4 architecture to enhance system scalability and maintainability for enterprise application development, distributed systems, data processing & analytics, having steered multiple crossfunctional projects with autonomous teams of varying sizes to achieve OKRs, process optimisation and increased operational excellence. Experienced in data analytics, software development, using ETL tools such as fivetran, airflow, integromat. We are software engineers, product leads and consultants who have worked in a range of tech companies ranging from startups to bigtech like Klarna Bank, HCLTech, Google, L&T Infotech, Momox. We understand product development and have managed teams of different sizes with over 10 years of experience in various verticals such as Ecommerce, ERP, Fintech, FashionTech, Health & Wellness.
I'm CTO, System Architect, Full-Stack developer with 10+ years of experience. I've experience of building billing systems for Internet Service Providers, Mobile Content Providers, Site Builder Systems (like a SitePlus.com, Wix.com), Learning Management System (smls.com.ua, maktapp.az), small tools and etc. stuff. I can work alone or manage a team and work together to keep them enough mentored and motivated. Experience list (developing during work): 1. GoLang - expert with 5+ years experience 2. NodeJS - expert with 10+ years experience (since v0.4) 3. Ruby - expert with 3+ years experience 4. Elixir - expert with 3+ years experience 5. PHP - expert with 15+ years experience 6. Rust, C++, C#, Java, Python- debugger and had deal with code written on these languages, writing own small projects on Rust as hobby before using it in customer's work. 7. Databases: MySQL (also Galera Cluster) - expert (installing, tuning, replication, complex queries, building optimal db solutions), PostgreSQL - expert (installing, tuning, replication, complex queries, building optimal db solutions), MongoDB - expert (currently preferred as primary db in most of projects, have rich experience on any aspect of this db), CouchBase - expert (using as secondary after MongoDB to cache, store data that is requested with high concurrency), CouchDB - expert (same as CouchBase, but I prefer CouchBase for it's active data in memory principles), RethinkDB - expert (I use it to build back communication between api micro-services and web-socket micro-services to route response to exact connection in context of multi-instance containers) 8. Frontend frameworks: AngularJS, ReactJS - have experience of supporting code written using these frameworks and experience can be developed if there is big need to work with them 9. Building micro-services, containerizing, delivering to cloud infra. 10. Server OSs: ArchLinux, Debian, Alpine 11. Continuous Integration: CI Scripting in GitLab, Jenkins, CloudBuild 12. Team/Task management and boards in Jira 13. Cloud service providers: GCP, AWS Have problem - I'll find solution, only question is time. I would love the opportunity to work with you on your project!
An accomplished and high-motivated IT professional with 6+ years experience of IT leadership involved in web development, application development and System & Solution Architecture. My main competency is in building rich client-side applications, on both sides back-end and front-end. I strongly believe in TDD as the only way to build a bullet-proof code that makes everyone happy and it allows me to rest at night. Reaching 100% test coverage is my passion. **SKILLS:** ✅ Specialities: Computer Engineering, Software Engineer, Web Development, Mobile development, Open Source ✅ Languages:Ruby(6 years), Javascript(4 years), Nodejs(1 year), Elixir(1 year) ✅ Backend Frameworks: Ruby On Rails(6 years), Phoenix(1 year) ✅ Frontend Frameworks: AngularJS(4 years), ReactJS(2 years) ✅ Relational database:Postgresql(6 years), MySQL(6 years) ✅ NoSql databases:Elasticsearch(4 years), Redis(3 years), MongoDB(3 years) ✅ Other technologies:Rabbitmq, Redux, Universal rendering, HTML, CSS, SCSS, BEM, Docker, AWS, Google Cloud Platform, Webpack, Git, Progressive web apps **LINKS:** https://github.com/mpospelov https://stackoverflow.com/users/2460416/mpospelov https://codementor.io/mpospelov https://www.upwork.com/o/profiles/users/_~0182077648cc549f21/ https://www.toptal.com/resume/mikhail-pospelov
I've been in programming since Python was the "new" language in a Perl world. I've developed image editing software and network apps, working for companies large and small, from tiny startups to European Union research projects. I love Python, and I also love learning new languages and the ideas they bring. I do lots of work in Ruby, Rails, Haskell, and Docker. I live in Boulder with my partner and two dogs, longboarding and snowboarding when I'm not programming. I cannot give legal advice via codementor, but I can answer general questions about licensing, copyright, trademarks, and other intellectual property.
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 enjoy helping projects of all kinds to move forward, solving a wide variety of problems, and producing well-tested code that is clean and thoughtful and that keeps paths open for future extension. Though most of my recent years have been spent building within the Elixir and Phoenix/LiveView ecosystem, I also have many years of experience with Ruby on Rails. I use a Lean perspective when planning a project and writing code, keeping a reasonable balance between short-term and long-term and between perfection and achievable greatness, as I explore the solution space iteratively. I have made a special study of software development productivity analysis and improvement, so I have insights and techniques to contribute from that domain. Over many years I have built internal and external B2B and B2C Full-Stack Web apps and Backend APIs for small companies, startups, and large organizations in the Advertising, Marketing, Education, Meal Kit, Health and Fitness, Accounting, Finance, Government, and International HR spaces. Along with that experience, my thinking was also shaped by the degrees I earned in Chemical Engineering and Computer Science, which formed an outlook that combines an engineer’s calculated pragmatism with the rigor of theoretical explorations and known methods, including significant exposure to Statistics, Data Mining, and Numerical Methods. While meticulous with my time and productivity, I value calm thinking, deep work, and a methodical process that also takes intuitive leaps and assesses a range of options, to drive delivery of projects and features. That ethos is reflected in my ongoing Phoenix LiveView (PETAL) side project, Peak Pace, which captures my research into techniques that go beyond typical Kanban and resource capacity management, to model and effectively optimize the productivity and predictability of business and team processes using BPMN, simulations, and queuing theory. Those same analytical tools are also valuable when diagnosing software application performance. I’m a U.S. citizen living for now in Portugal, and I have good conversational ability in German.
Working as a Software Developer for the last 10 years. Learning daily as a hobby and work. I used to work in Web development but I have my own published games to App Store and Google Play as a hobby. Check out my github: https://github.com/oivoodoo , my blog: https://dev.to/oivoodoo and my games: https://balconygames.com/ LinkedIn: https://www.linkedin.com/in/alexandr-korsak/
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