Hi! I am
Sumonta Saha Mridul
Founder & Content Writer of Code & Career Golpo & Software Engineer with 2 Years of Industry Experience. Check out my CV
My Journey
Roles, projects I am building, new blogs and workshops.
Right now
AI Coach
Cefalo AI Coach initiative · since 25 Sep 2026
Internship Training Mentor
Cefalo · since 2026
Associate Software Engineer
DN Media Group, Norway · since Nov 2025
Claude Certified Architect Foundations
Agentic architecture, orchestration, MCP, context management.
Weekly newsletter #8: Why did I stop writing?
What is publication context-based configuration?
- Entries
- 14
- Ongoing
- 3
- Since
- 2019
- Blog6
- Work4
- Mentoring2
- Certification1
- Education1
Latest certification
Claude Certified Architect Foundations
Anthropic · CCAR-F · 815 / 1000
About Me
Currently working as an Associate Software Engineer at Cefalo, building for DN Media Group, Norway. Anthropic CCAR-F certified and part of Cefalo's AI Coach initiative. I also run a YouTube channel Code & Career Golpo where I share knowledge and inspire others in their coding journey.
Associate Software Engineer
DN Media Group, Norway (Cefalo)
⭐ Personalized Front Task Force
- Integrated Data Platform user segments, personalized placeholders, fallback handling, and anonymous vs logged-in flows including compelete tracking, kill-switch support
⭐ Key Contribution & AI-assisted Development
Associate Software Engineer
DN Media Group, Norway (Cefalo)
⭐ Personalized Front Task Force
- Integrated Data Platform user segments, personalized placeholders, fallback handling, and anonymous vs logged-in flows including compelete tracking, kill-switch support
⭐ Key Contribution & AI-assisted Development
- Key contributor to the team's adoption of agentic development: Git worktrees, agent orchestration, workflow automation
- Optimized public and internal APIs with query parameter support, route validation, migrations, and service-to-service integration, Reduced unnecessary API hits and server load by routing through the gateway
- Improved frontend performance with skeleton loading, image-loading optimizations, and fallback rendering
- Migrated legacy Search, Latest Page, and 32+ static pages to a configuration-driven architecture
- Led resolution of major NPM vulnerabilities across multiple applications and implemented GDPR-related changes
Skills & Technologies Used
Associate Software Engineer
Cefalo ATS (Applicant Tracking System)
⭐ Trainee (Apr - May 2025), Associate from Jun 2025
- Handled requirement analysis to feature development, including client needs and design considerations
- Built backend email workflows and Next/Previous navigation for candidate and evaluation review
Skills & Technologies Used
Associate Software Engineer
Cefalo ATS (Applicant Tracking System)
⭐ Trainee (Apr - May 2025), Associate from Jun 2025
- Handled requirement analysis to feature development, including client needs and design considerations
- Built backend email workflows and Next/Previous navigation for candidate and evaluation review
- Led a feature development with two teammates and participated in production release and deployment
⭐ Team & Quality
- Worked on 20+ bug fixes and improvements, including an emergency production hotfix
- Conducted PR reviews, mentored junior developers, and maintained structured documentation
Trainee Software Engineer
Dev Stories Blog, Cefalo
⭐ Backend Development
- Developed and maintained a blog backend using Node.js, PostgreSQL, and Knex.js.
- Built RESTful APIs following Controller-Service-Repository pattern with CRUD for posts, comments, and user profiles.
Trainee Software Engineer
Dev Stories Blog, Cefalo
⭐ Backend Development
- Developed and maintained a blog backend using Node.js, PostgreSQL, and Knex.js.
- Built RESTful APIs following Controller-Service-Repository pattern with CRUD for posts, comments, and user profiles.
- Implemented Axios, CORS policy, error handling, and unit tests with JEST. Optimized performance with caching and Docker for scalability.
⭐ Frontend Development
- Built blog frontend with React, TypeScript, and Tailwind CSS. Used Tanstack Query for data fetching and caching.
- AI-based image/story generation, and multilingual (Norwegian) support. Implemented newsletters and story statistics features.
- Optimized performance, ensured responsive design. Added route protection, lazy loading, and code splitting. State management with Hooks & Context API.
Skills & Technologies Used
What People Say
Testimonials and appreciation messages from colleagues, collaborators, and readers of my work
- "Problem-solving isn’t limited to software engineering—it’s a valuable life skill. Loved how you applied your problem-solving skills to find the most cost-effective and time-efficient commute between Narayanganj and Dhanmondi. A great example of thinking beyond code! 👏
Ferdous Mahmud Shaon Managing Director • Cefalo Bangladesh Ltd
- "Congratulations on your promotion! Your hard work and dedication have truly paid off, and this achievement is a testament to your skills and commitment to excellence. Keep up the great work!
Promi Mojumder Trainee Software Engineer • ShellBeeHaken Ltd
- "That's fantastic! Reaching 200 followers on GitHub is a real testament to your hard work and commitment to the community – congrats!
Shamim Hasnain App Developer • Fusion Infotech
- "I really like that you read 10+ blogs in a week. Keep this up my boy. Nice consistency. Loved your writing my boy. Keep shining ❤️
Md Sabbir Rahman Software Engineer • Cefalo Bangladesh Ltd
- "Keep it up. I love that you are building personal brand at this early in career. This will be an asset in the future. Keep growing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "You made sure that reading your GitHub readme.md feels like going on an adventure. It’s really impressive. I’m sure you have a golden career ahead of you. Well done!
Nel Prinsloo Software Engineer • DVT
- "I thought what is so impressive about reading the day-to-day life of another person? I just checked and You wrote awesome. The images are :fire:
Nafiz Iqbal MERN stack developer • Antopolis
- "Congratulations on your well-deserved promotion – your hard work and dedication clearly paid off. Keep up the great work and continue to inspire others with your achievements!
Shamim Hasnain App Developer • Fusion Infotech
- "That’s a wonderful achievement, bhai! Maintaining such consistency for 100 days, especially in a city like Dhaka, is truly impressive. It really reflects your discipline and dedication.
Md. Farhan Yousuf Candidate Master • Codeforces
- "Great to see your enthusiasm and willingness to learn and grow in the industry. Your advice on 'not getting stuck in grateful mode' is valuable. Keep writing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "It's really helpful for me. Keep writing! I love to digest this type of knowledge while procrastinating on social media at least!
Erfan Ahmed Siam Software Engineer • Agora Studio
- "I loved reading this honest and inspiring post about navigating a tough daily commute from Narayanganj to Cefalo—without compromising on family or career dreams but the real credit goes to his determination and problem-solving mindset.
Jawwad Rabbi Deputy Manager • Cefalo Bangladesh
- "I recently started my software development journey and your content has been insightful and motivating. I have been following your YouTube videos and posts, and they truly feel like advice from an elder brother, guiding me along the way. I really appreciate the positive thoughts and practical lessons you share.
Md. Habibun Nabi Hemel Reader • LinkedIn Newsletter
- "This is one of the best github readme, it is a program on its own. Well done.
Super Reader • daily.dev
- "Problem-solving isn’t limited to software engineering—it’s a valuable life skill. Loved how you applied your problem-solving skills to find the most cost-effective and time-efficient commute between Narayanganj and Dhanmondi. A great example of thinking beyond code! 👏
Ferdous Mahmud Shaon Managing Director • Cefalo Bangladesh Ltd
- "Congratulations on your promotion! Your hard work and dedication have truly paid off, and this achievement is a testament to your skills and commitment to excellence. Keep up the great work!
Promi Mojumder Trainee Software Engineer • ShellBeeHaken Ltd
- "That's fantastic! Reaching 200 followers on GitHub is a real testament to your hard work and commitment to the community – congrats!
Shamim Hasnain App Developer • Fusion Infotech
- "I really like that you read 10+ blogs in a week. Keep this up my boy. Nice consistency. Loved your writing my boy. Keep shining ❤️
Md Sabbir Rahman Software Engineer • Cefalo Bangladesh Ltd
- "Keep it up. I love that you are building personal brand at this early in career. This will be an asset in the future. Keep growing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "You made sure that reading your GitHub readme.md feels like going on an adventure. It’s really impressive. I’m sure you have a golden career ahead of you. Well done!
Nel Prinsloo Software Engineer • DVT
- "I thought what is so impressive about reading the day-to-day life of another person? I just checked and You wrote awesome. The images are :fire:
Nafiz Iqbal MERN stack developer • Antopolis
- "Congratulations on your well-deserved promotion – your hard work and dedication clearly paid off. Keep up the great work and continue to inspire others with your achievements!
Shamim Hasnain App Developer • Fusion Infotech
- "That’s a wonderful achievement, bhai! Maintaining such consistency for 100 days, especially in a city like Dhaka, is truly impressive. It really reflects your discipline and dedication.
Md. Farhan Yousuf Candidate Master • Codeforces
- "Great to see your enthusiasm and willingness to learn and grow in the industry. Your advice on 'not getting stuck in grateful mode' is valuable. Keep writing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "It's really helpful for me. Keep writing! I love to digest this type of knowledge while procrastinating on social media at least!
Erfan Ahmed Siam Software Engineer • Agora Studio
- "I loved reading this honest and inspiring post about navigating a tough daily commute from Narayanganj to Cefalo—without compromising on family or career dreams but the real credit goes to his determination and problem-solving mindset.
Jawwad Rabbi Deputy Manager • Cefalo Bangladesh
- "I recently started my software development journey and your content has been insightful and motivating. I have been following your YouTube videos and posts, and they truly feel like advice from an elder brother, guiding me along the way. I really appreciate the positive thoughts and practical lessons you share.
Md. Habibun Nabi Hemel Reader • LinkedIn Newsletter
- "This is one of the best github readme, it is a program on its own. Well done.
Super Reader • daily.dev
- "Problem-solving isn’t limited to software engineering—it’s a valuable life skill. Loved how you applied your problem-solving skills to find the most cost-effective and time-efficient commute between Narayanganj and Dhanmondi. A great example of thinking beyond code! 👏
Ferdous Mahmud Shaon Managing Director • Cefalo Bangladesh Ltd
- "Congratulations on your promotion! Your hard work and dedication have truly paid off, and this achievement is a testament to your skills and commitment to excellence. Keep up the great work!
Promi Mojumder Trainee Software Engineer • ShellBeeHaken Ltd
- "That's fantastic! Reaching 200 followers on GitHub is a real testament to your hard work and commitment to the community – congrats!
Shamim Hasnain App Developer • Fusion Infotech
- "I really like that you read 10+ blogs in a week. Keep this up my boy. Nice consistency. Loved your writing my boy. Keep shining ❤️
Md Sabbir Rahman Software Engineer • Cefalo Bangladesh Ltd
- "Keep it up. I love that you are building personal brand at this early in career. This will be an asset in the future. Keep growing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "You made sure that reading your GitHub readme.md feels like going on an adventure. It’s really impressive. I’m sure you have a golden career ahead of you. Well done!
Nel Prinsloo Software Engineer • DVT
- "I thought what is so impressive about reading the day-to-day life of another person? I just checked and You wrote awesome. The images are :fire:
Nafiz Iqbal MERN stack developer • Antopolis
- "Congratulations on your well-deserved promotion – your hard work and dedication clearly paid off. Keep up the great work and continue to inspire others with your achievements!
Shamim Hasnain App Developer • Fusion Infotech
- "That’s a wonderful achievement, bhai! Maintaining such consistency for 100 days, especially in a city like Dhaka, is truly impressive. It really reflects your discipline and dedication.
Md. Farhan Yousuf Candidate Master • Codeforces
- "Great to see your enthusiasm and willingness to learn and grow in the industry. Your advice on 'not getting stuck in grateful mode' is valuable. Keep writing.
Md. Hafizur Rahman Arfin Software Engineer • Margin Edge
- "It's really helpful for me. Keep writing! I love to digest this type of knowledge while procrastinating on social media at least!
Erfan Ahmed Siam Software Engineer • Agora Studio
- "I loved reading this honest and inspiring post about navigating a tough daily commute from Narayanganj to Cefalo—without compromising on family or career dreams but the real credit goes to his determination and problem-solving mindset.
Jawwad Rabbi Deputy Manager • Cefalo Bangladesh
- "I recently started my software development journey and your content has been insightful and motivating. I have been following your YouTube videos and posts, and they truly feel like advice from an elder brother, guiding me along the way. I really appreciate the positive thoughts and practical lessons you share.
Md. Habibun Nabi Hemel Reader • LinkedIn Newsletter
- "This is one of the best github readme, it is a program on its own. Well done.
Super Reader • daily.dev
- "Read the full article and it was amazing. And motivating. Best thing i read in is "Sometimes recovery is the most productive thing you can do."
Md. Ashikur Rahman Ashik Reader • LinkedIn Newsletter
- "Your insights are spot on. While AI makes mundane tasks faster, it's crucial to maintain a balance and continue refining our core skills. Thanks for sharing your experience!
Shuvo Anirban Roy Full-Stack Developer • Operation Nation
- "really like your blog bhaiya. It inspires me to be productive in so many ways.
Umme Kulsum Neha Reader • LinkedIn Newsletter
- "oh Wow! It is like a assets library. I think I can upgrade my one from yours. Thanks for sharing this
Kavinda Weerasinghe Engineer • Creative Software
- "Reading this I’ve realised that I’ve been in this Tutorial Hell too but next time I’ll go through your suggested methods first. Thank you bhai.
Radib Bin Kabir Reader • LinkedIn Newsletter
- "What a good read. It gave me ideas when doing code reviews. It's nice to know how other people do code reviews.
Edward Labor Reader • daily.dev
- "This is so good and the animations are super cool 🔥
Madhurima Rawat Reader • dev.to
- "This is so sick man! Welldone. Very inspirational 🔥
Triven Govender Reader • daily.dev
- "Thanks for this resource and Congratulations on passing the exam.
Jola Reader • Substack
- "Very good! I'm going to make some changes to mine and it's good to see inspiration.
Walter J. Silva Reader • daily.dev
- "Awesome profile, more impressed by your portfolio.
Vaishnao Wankar Reader • daily.dev
- "this is fantastic mridul, bravoooo :) happy coding, keep going and good luck :)
A. B. Reader • daily.dev
- "A really nice read. I liked how you explained the CEDAR framework.
Ifechukwu Ogidi Reader • daily.dev
- "Read the full article and it was amazing. And motivating. Best thing i read in is "Sometimes recovery is the most productive thing you can do."
Md. Ashikur Rahman Ashik Reader • LinkedIn Newsletter
- "Your insights are spot on. While AI makes mundane tasks faster, it's crucial to maintain a balance and continue refining our core skills. Thanks for sharing your experience!
Shuvo Anirban Roy Full-Stack Developer • Operation Nation
- "really like your blog bhaiya. It inspires me to be productive in so many ways.
Umme Kulsum Neha Reader • LinkedIn Newsletter
- "oh Wow! It is like a assets library. I think I can upgrade my one from yours. Thanks for sharing this
Kavinda Weerasinghe Engineer • Creative Software
- "Reading this I’ve realised that I’ve been in this Tutorial Hell too but next time I’ll go through your suggested methods first. Thank you bhai.
Radib Bin Kabir Reader • LinkedIn Newsletter
- "What a good read. It gave me ideas when doing code reviews. It's nice to know how other people do code reviews.
Edward Labor Reader • daily.dev
- "This is so good and the animations are super cool 🔥
Madhurima Rawat Reader • dev.to
- "This is so sick man! Welldone. Very inspirational 🔥
Triven Govender Reader • daily.dev
- "Thanks for this resource and Congratulations on passing the exam.
Jola Reader • Substack
- "Very good! I'm going to make some changes to mine and it's good to see inspiration.
Walter J. Silva Reader • daily.dev
- "Awesome profile, more impressed by your portfolio.
Vaishnao Wankar Reader • daily.dev
- "this is fantastic mridul, bravoooo :) happy coding, keep going and good luck :)
A. B. Reader • daily.dev
- "A really nice read. I liked how you explained the CEDAR framework.
Ifechukwu Ogidi Reader • daily.dev
- "Read the full article and it was amazing. And motivating. Best thing i read in is "Sometimes recovery is the most productive thing you can do."
Md. Ashikur Rahman Ashik Reader • LinkedIn Newsletter
- "Your insights are spot on. While AI makes mundane tasks faster, it's crucial to maintain a balance and continue refining our core skills. Thanks for sharing your experience!
Shuvo Anirban Roy Full-Stack Developer • Operation Nation
- "really like your blog bhaiya. It inspires me to be productive in so many ways.
Umme Kulsum Neha Reader • LinkedIn Newsletter
- "oh Wow! It is like a assets library. I think I can upgrade my one from yours. Thanks for sharing this
Kavinda Weerasinghe Engineer • Creative Software
- "Reading this I’ve realised that I’ve been in this Tutorial Hell too but next time I’ll go through your suggested methods first. Thank you bhai.
Radib Bin Kabir Reader • LinkedIn Newsletter
- "What a good read. It gave me ideas when doing code reviews. It's nice to know how other people do code reviews.
Edward Labor Reader • daily.dev
- "This is so good and the animations are super cool 🔥
Madhurima Rawat Reader • dev.to
- "This is so sick man! Welldone. Very inspirational 🔥
Triven Govender Reader • daily.dev
- "Thanks for this resource and Congratulations on passing the exam.
Jola Reader • Substack
- "Very good! I'm going to make some changes to mine and it's good to see inspiration.
Walter J. Silva Reader • daily.dev
- "Awesome profile, more impressed by your portfolio.
Vaishnao Wankar Reader • daily.dev
- "this is fantastic mridul, bravoooo :) happy coding, keep going and good luck :)
A. B. Reader • daily.dev
- "A really nice read. I liked how you explained the CEDAR framework.
Ifechukwu Ogidi Reader • daily.dev
Sumonta Saha MridulCode & Career Golpo
Tutorials, Devlogs, Tech Tips, & Career Advice
Educational content on web development, programming tips, and coding tutorials in Bengali & English. Sharing my coding journey
Featured Projects
A collection of my recent work showcasing various technologies and creative solutions
🎓 Vortibhai - Student Reviews & Dept Insights
A platform where students explore academic departments and career outcomes through real student reviews. Full-stack Spring Boot + MongoDB backend, Vue/Nuxt frontend and admin app, deployed on AWS with GitHub Actions CI/CD and an AI-assisted agentic development workflow.
🌳 Worktree Switcher - VS Code Extension
A status-bar Git worktree switcher for VS Code: switch, create and remove worktrees, see branch and ahead/behind status, pin favorites, jump with Cmd/Ctrl+Shift+1-9, and reopen recent folders with persisted state.
✍️ Dev Stories Blog Platform
A fullstack blog application for developers to share their stories, featuring rich text editing, authentication, and real-time updates.
🛺 SUST Autorickshaw System
A comprehensive management system for SUST's autorickshaw service, featuring real-time tracking, automated scheduling, and digital payments.
🗑️ Eco-Sync : Waste Management
Smart waste management solution with IoT integration, real-time monitoring, and optimized collection routes for sustainable cities.
📱 RENT IT
Mobile application for renting and sharing items within communities, featuring secure payments and real-time chat.
ACHIEVEMENTS
Anthropic Claude Certified Architect Foundations
Earned the CCAR-F certification with a score of 815/1000, covering agentic architecture, orchestration, Claude Code workflows, prompt engineering, MCP, and context management.
Anthropic Certification
Professional
Cefalo AI Coach & Internship Training Mentor
Part of Cefalo's AI Coach initiative, providing AI training and guidance to engineering teams, and training mentor for multiple Cefalo Internship Training batches.
Mentoring & Training
Professional
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Cefalo Agentic Development Hackathon
Built a complete demo system in 3 hours using Cursor and agentic development workflows.
Agentic Hackathon
Competition
2nd in Project Showcasing in BUP FEST
Secured 2nd Position among 60+ teams, competing against hardware projects with our software-only entry.
Project Showcasing
Competition
Top 5 in Mobile App & Game Idea Competition
Recognized among the top 5 Mobile App Ideas by the ICT Division, Govt. of Bangladesh, with the opportunity to present on a prominent stage in the Sylhet Region.
Regional Idea Competition
Competition
Participated in Cefalo AI Hackathon
Building an AI Tax Assistant with Rag and MCP Tools. Tax calculations with Auto Form Fill.
AI Hackathon
Competition
Top 10 in DU IT VERSE Hackathon 2023
Out of 150+ teams, reached the final and achieved a top 10 ranking in the hackathon (API Category) hosted by DU
API Hackathon
Competition
Finalist in Code Samurai Hackathon 2024
Achieved 2nd position in Preliminary Round 2 with a score of 89/100 (400+ Teams), securing final top 45 out of 400 teams.
National Hackathon
Competition
Top 8 in B23 Hackathon, Technovent SUST
Out of 90+ teams, reached the final and achieved a top 8 ranking in the 36hr hackathon hosted by SWE, SUST
Hackathon
Competition
Top 14 in DU IT VERSE Project Showcasing
Shortlisted among the top 14 projects out of 90+ projects in the project showcasing hosted by Dhaka University
Project Showcasing
Competition
900+ Problems Solved in Different Platforms
Successfully solved over 800 problems on LeetCode, Codeforces (1050+ Rating), CodeChef (3 Star) , AtCode, Hackrank and HackerEarth.
Problem Solving
Professional
বিহঙ্গ - Intra Sylhet Photography Exhibition
My Photo got selected for বিহঙ্গ - Intra Sylhet Photography Exhibition organized by Sylhet Engineering College Photographers' Association.
Regional Exhibition
Photography
SUST Exceed- Photo Exhibition
My Photo got selected for SUST Exceed Manifestation (Photo exhibition) organized by Department of Civil and Environmental Engineering, SUST.
Regional Exhibition
Photography
Passed Level 2 in Google Foobar Secret Challenge
Received invitation and successfully completed Level 2 in Google's Foobar Secret Hiring Challenge.
Google Hiring Challenge
Professional
Open Source Contribute Hacktoberfest 2023
Passed All Four Level of Hacktoberfest. Contributed to and successfully merged pull requests in four open-source projects listed by Hacktoberfest.
GitHub Global Competition
Professional
CGPA 4.00 in 6th Semester in SWE, SUST
Achieved a perfect CGPA of 4.00/4.00 in the 6th semester of my Software Engineering program, demonstrating academic excellence and dedication to my studies.
3-2 Semester Result
Academic
2nd Price in Intra School Poster Presentation
Won 2nd price in Intra School Dewalika Competition host by Narayanganj Ideal School Theme was Pohela Boishak and Bangla Culture.
Intra School Poster Competition
Competition
Photography Capturing moments, emotions, and stories through my lens
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Durga Puja 2022
Celebrating the festival of Durga Puja in Narayanganj
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Get In Touch
I'm always open to new opportunities and collaborations. Feel free to reach out if you'd like to discuss a project or just want to connect!
Let's Work Together!
I'm passionate about creating innovative solutions and bringing ideas to life. Whether you have a project in mind, need technical consultation, or just want to connect with a fellow developer, I'd love to hear from you.
What I Can Help With
Web Development
Full-stack applications, React, Node.js, and more
Technical Consultation
Architecture planning and technology selection
Code Review & Optimization
Performance improvements and best practices
Collaboration & Mentoring
Open source contributions and knowledge sharing
Send me a message
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