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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.
Hi there! I'm a seasoned Software Engineer with expertise in designing scalable solutions and building high-performance applications. From startups to enterprise clients, I've successfully delivered projects that meet business needs and exceed expectations. Let's create something amazing together!
Senior Full‑Stack Developer with over seven years’ experience designing, building and maintaining large‑scale web applications. Track record of delivering end‑to‑end solutions by partnering with stakeholders to translate business and user needs into reliable software. Committed to clean, maintainable code, performance tuning, security best practices, and automated CI/CD pipelines. Nearly two years of hands‑on AI experience, integrating machine learning models and automation to boost product intelligence. I’ve contributed as a developer at global leaders Adobe and Newgen, as well as at high‑growth startups MoveInSync and Zillious Solutions. Skills Advanced: Java, MySQL, PostgreSQL, Spring, Hibernate, Spring Boot, Maven/Gradle, Microservices, Multithreading & Concurrency Control, Web Services (SOAP & REST), RPC, Git, Google Cloud Platform (GCP), Database Modeling & Schema Design, SQL (Stored Procedures/Functions, Triggers), Docker, Kubernetes. Intermediate: TypeScript, Python, Angular, React, API Gateway, Service Discovery, Load Balancer, ELK Stack, Kafka, RabbitMQ, Redis Cache, RAG (Retrieval-Augmented Generation), AI Agents, LangGraph, Vector Databases, AI Workflows, Fine‑Tuning. Core Strengths: Scalable system design, back‑end architecture, data structures & algorithms. How I Can Help You – I’m here to tackle your toughest technical challenges with expertise and dedication. Special Offer – Enjoy your first session free! (Terms & Conditions apply — let’s discuss your needs during our requirement-gathering call.) Satisfaction Guaranteed – Not satisfied? Request an instant refund, no questions asked. For a comprehensive overview of additional technologies and frameworks tailored to your needs, please refer to the Expertise section of my profile.
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.
I am a passionate and result-oriented Java Developer with over 9 years of proven performance excellence. My expertise lies in designing and evolving the overall architecture of web applications using Java/J2EE technologies and related frameworks. My journey in the realm of technology has been marked by a deep techno-business vision, which has driven various facets of projects, process automation, and testing operations. My commitment to verified program ownership sets me apart, which allows me to infuse ingenuity and simplicity into processes. I believe in collaborating closely with business stakeholders, ensuring that my solutions align seamlessly with their objectives. My approach is not limited to writing code; I am driven by a keen interest in crafting software that precisely fits my clients' needs. I understand that every business has unique challenges, and I thrive on devising software solutions that address these day-to-day problems, ultimately fostering growth and efficiency. With a strong foundation in Java development and a track record of successfully driving projects forward, I stand ready to contribute my technical prowess and business acumen to create software that meets expectations and surpasses them.
As Java Engineer, I specialize in developing services using modern Java features and related technologies, including Spring, Docker, Maven, SQL, and more. As a trainer, I am committed to making complex concepts simple and accessible, helping others learn and effectively apply these technologies to their projects.
Over the last 20 years, I have mentored hundreds of students, especially in Universities, to succeed in their endeavors. I hold the most successful youtube channel in Greece, with 1000s of videos about programming, computer math, algorithms, AI, etc. I really hope to work with you to overcome every hardship, in your efforts for your degree!
With 17 years of experience in software development and design, systems integration, platform engineering, production support, and engineering management, I have worked across diverse industries including asset financing, payments, death care, travel insurance, and aviation. My core expertise lies in full-stack development using Java and React, and I have a strong interest in R&D work. I hold a First-Class Honours degree in Computer Science and Engineering from the University of Moratuwa, Sri Lanka.
I mentor programmers and development teams. I have the skill set to get you out of any development problem. That includes but not limited to: Java, C#, .NET, JavaScript, TypeScript, Python, Spring, Angular, React, and Agile methodologies. I have a focus on writing "clean code", secure coding, and identity management (SAML 2.0 & OAuth 2.0).
Solution-oriented. Love helping others. Passionate on Software/Web Development. I'm also open for **part-time/full-time job opportunity**. If your company or your friend needs a backend/frontend dev, please reach out to me.
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The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Spring Security project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Spring Security request on Codementor, check out our article.
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We do a comprehensive technical and communications screen of all Spring Security developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Spring Security developers’ user satisfaction rates.
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