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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 bring nine years of experience in developing robust, scalable applications and have cemented my expertise as an AWS Certified Developer. My technical journey spans across * Java, * JavaScript, * TypeScript, * Node.js, * Spring Boot, * DevOps practices, * CI/CD with GitLab, and i * nfrastructure-as-code using Terraform. I thrive on solving complex cloud challenges and continuously enhancing system performance. Looking ahead, I aspire to lead innovative projects that leverage cloud-native technologies to drive digital transformation while nurturing collaborative, agile teams committed to excellence in software development.
Senior Software Engineer (10 years experience, ex-Fireblocks) With extensive blockchain expertise and distributed systems experience, I design sophisticated backend systems and AI platforms running in production—in environments where errors are costly: finance, crypto, legal, sensitive data. I help companies: - Reduce infrastructure costs: Cloud audit and optimization (50K$/year saved on AWS for one client), optimized processing pipelines (ingestion cost reduced 7x on latest project) - Build reliable distributed systems: Microservices, real-time high-throughput APIs, event-driven architecture (recent example: price aggregator connected to 10+ providers, latency cut in half) - Accelerate their teams: Architecture, boilerplates, and CI/CD reducing time-to-production (new service onboarding dropped from 2-3 days to 4 hours) - Leverage documents and data with AI: RAG assistants with verifiable citations, OCR and transcription at scale, POC-to-production transitions - Secure and harden existing systems: Server hardening, testing, race condition fixes on critical systems Recent references: Legal AI platform delivered solo end-to-end (65,000+ documents, cited responses in under 40 seconds); Fireblocks DeFi browser extension (lead developer, 2,000+ users, 5.0 on Chrome Web Store). Native French speaker, fluent English. 100% remote, European timezones. Stack: Python, TypeScript/Node.js, NestJS, FastAPI, Blockchain (Solidity, Web3.js, ethers.js), Microservices, RabbitMQ, Kafka, WebSockets, PostgreSQL, Redis, AWS, Docker, Kubernetes, RAG, LLM, Anthropic API (Claude), Qdrant, OCR.
9+ years on Codementor !!! Java and web developer for a decade, who loves to solve things and fix bugs. **If I can't fix your issue, you'll get a refund. I do not start timer until you explain your issue (Or) if I am not sure about the issue** Ping me if you are looking for more details.
I can help students and developers in debugging and problem solving. Using the programming languages **Java**, **Scala** and **Go** I regularly build solutions. I am also well versed in DevOps tools such as Docker, Vagrant, Maven, Gradle, CMake, Jenkins. Apart from that I am familiar with Elasticsearch and Apache Solr.
I am a full-stack developer with keen focus on debugging/solving problems. I have been working on java for more than 5 years now and have a total of 8+ years IT experience. Worked on a wide-range of technologies with Struts2 at height, I'm diving currently into the world of javascript. More details about me can be found on http://nitinsurana.com Feel free to ping me, if I can be of any help. If we cannot solve your problem then I will refund the session fees.
I write, nurture and love clean, testable architectures. Language doesn't matter (PHP/C/Rust/Golang/Typescript/Python/Java). I eat two technology stacks and a Linux meal a day. How is that possible? After 15 years of programming, you start to not be in love with your toys anymore like a kid, and treat them as tools instead. What starts to matter after reaching a certain level is expressing ideas with code, not the code itself. It's the ideas that you share with your collegues, as well with the machine, that solve real-world problems that matter. Tools are just that, and in our area of expertise, they change over time quite rapidly. What stays relatively constant are the terminology, the algorithms, and the train of thoughts for solving a specific problem, given a specific scenario. Having worked as a Scrum Master, what matters is also the process of creating software, managing risks and punching the project through any unknowns which might come along.
I'm a senior software engineer with a keen interest in machine learning and game development. I am familiar with Tensorflow.NET, fast.ai, PyTorch, and libtorch (PyTorch C++). I spend a lot of time working in Monogame (formerly XNA framework) and Unity3d. Professionally, I have worked across the entire C# development stack including ASP .NET Core, and Microsoft SQL Server / CosmosDb / Redis. Whether you are an experienced developer looking to get to the next level or even if you are just getting started, I am the right mentor for you!
I have specialized in Big Data technologies like Apache Spark, Flume, Flink, HBase, HDFS, Hive LLAP, Impala, Athena, EMR, DynamoDB, Airflow, etc. This career has lead me into developing applications that implement Machine Learning models, predictive algorithms, NLP algorithms, and ingest large datasets. I'm very well versed in concurrent and parallel programming and am really good with both Object Oriented as well as Functional programming approaches. I really love teaching people and sharing my knowledge to the degree that I'm transitioning into making teaching and mentorship my full-time and primary job. I promise that in the time that I spend mentoring you, I will pour into you as much of my knowledge as I can to give you the best chance possible in the industry.
Polyglot Senior Software Engineer, Reader and Writer LinkedIn: [https://www.linkedin.com/in/panayotismatsinopoulos/](https://www.linkedin.com/in/panayotismatsinopoulos/) Wrapcast: [https://warpcast.com/panosm](https://warpcast.com/panosm) **Education:** Computer Science Degree and an MSc in Telecommunications from University College London **Professional Experience:** * Started as a Junior developer using C and C++ for projects in the telecommunications industry. * Then moved to Java and built Web Applications using J2EE. * Then switched to C# and VB.NET building Web Applications using .NET Forms. * Then switched to Ruby and Ruby on Rails, Node.js (in fact Next.js). I speak Kotlin and Go, React, React Native. I speak databases, SQL, NoSQL, Timeseries and more. I am an AWS devops guy with Terraform expertise. The list can go on. * Since April 2024, I am in Web3. I am looking for a full-time job in the Web3/Blockchain domain.
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