Artur Petrosyan’s Post

One thing I’ve learned as a backend engineer: Good code is not the same as good decisions. Early in my career, I focused a lot on: → Clean code → Design patterns → Writing “perfect” solutions But in real-world projects, this often leads to delayed deliveries, or even abandoned initiatives. Real systems reward: ✔ Simplicity over complexity ✔ Stability over cleverness ✔ Delivering value over over-engineering Sometimes, the best decision is: → Not introducing a new technology → Not splitting into microservices (yet) → Not optimizing prematurely Today, I focus much more on making the right trade-offs instead of chasing ideal solutions. That mindset made me a better engineer, especially in production environments. If you work with backend systems, you’ve probably faced this too. Let’s connect. #Java #Backend #SoftwareEngineering #SystemDesign #Microservices #TechCareers

Everyone wants to become a full stack developer. But here’s the truth: It’s not about knowing everything. It’s about understanding how everything connects. Frontend → User experience Backend → Logic Database → Data flow The magic happens when you can: ✔ Connect all layers ✔ Build real world projects ✔ Solve real problems 💡 You don’t need 10 frameworks. You need: → 1 solid stack → 3 real projects → Consistency That’s what gets you hired. #FullStack #WebDevelopment #Coding #TechCareers

Most developers are still building apps. The ones getting hired in 2026 are building agents. Here's what changed (and what most people are missing): 6 months ago, a "full-stack dev" meant React + Node + a database. Today, companies are asking for: → LLM integration → Tool calling & function routing → Memory & context management → Multi-agent orchestration The stack didn't just evolve. It mutated. The scary part? Most bootcamps haven't caught up. Most tutorials haven't caught up. Most job descriptions haven't caught up. But the actual work has. What's actually happening right now: Junior devs who learned agentic AI = getting offers. Senior devs who ignored it = getting surprised. The gap isn't experience anymore. It's direction. If you're a self-taught dev reading this — You don't have a disadvantage. You have a head start. You're already used to figuring things out without a roadmap. That's literally the job now. The question isn't "should I learn AI?" It's "how fast can you ship something with it?" What's your current stack look like? Drop it below 👇 — I'm curious where people are right now. #WebDevelopment #AIEngineering #SoftwareDevelopment #Developers #Tech

The 5-Year Vision of a Software Engineer Headline: From Code to Architecture: Where I see myself in 5 years 🚀 As I prepare for my upcoming journey in the tech industry, I’ve been reflecting on a question often asked in interviews: "Where do you see yourself in 5 years?" For some, it’s a standard interview question. For me, it’s a roadmap for growth. Currently, I’m deep in the world of Java, Spring Boot 3, and Angular 21, building systems like a high-concurrency Wallet-Bank integration and a School Management System. But looking ahead, my goal isn't just to write more code—it's to design better systems. Here is my 5-year vision: 1️⃣ Mastering System Design: I aim to transition from a Full-Stack Developer to a Technical Architect. I want to be the person who doesn't just solve the bug, but designs the system so the bug never happens. High-throughput, distributed systems are my North Star. 🏗️ 2️⃣ Technical Leadership: Mastery is nothing if it isn't shared. I see myself leading a team of talented engineers, fostering a culture of clean code, and mentoring the next generation of developers. 🤝 3️⃣ Domain Expertise: Whether it's FinTech or EdTech, I want to be a Subject Matter Expert who understands the "Why" behind the business requirements as deeply as the "How" of the implementation. The journey from Java 17 to a Lead Engineer role is a marathon, not a sprint. It requires constant learning, failing fast, and building with empathy for the end-user. I’m excited for the challenges ahead and the opportunity to grow within a forward-thinking organization that values technical excellence as much as I do. To my fellow devs: Where do you see your stack taking you in 2031? Let’s discuss! 👇 #SoftwareEngineering #CareerGrowth #JavaDeveloper #SpringBoot #Angular #SystemDesign #TechLeadership #WebDevelopment #CareerGoals

We have 7 backend engineers and 1 frontend engineer. That ratio should not work. On paper, the frontend is a bottleneck waiting to happen. In practice, I almost never think about it. That's because of Dawid Kędzierski. Whatever he ships, ships well. He talks to backend when he needs to talk to backend. He talks to design when he needs to talk to design. He pushes back on me when he thinks I'm wrong. I get to spend my attention elsewhere, which at this stage of the company is the most valuable thing anyone can give me. A couple of months ago, we decided to build an AI agent product. New territory, no precedent inside Tequipy, tight window. I figured we'd scope it down, staff it carefully, maybe bring in help. Dawid just built the MVP. In two months. From zero. While still shipping everything else he was already responsible for on the hardware side. Most companies I've worked at would have put three people and a quarter on what he shipped alone in eight weeks. But an MVP is an MVP. Now we need to build the real product underneath it, and that's a backend problem. So we're hiring engineers. Watching Dawid work taught me what the bar looks like. It's not how clean the code is. It's whether you can own a problem end to end, talk to whoever you need to talk to, push back when you should, and ship the thing. If that's you, and you want to build the backend for a product that already has users waiting on it, link in comments.

“We need a full-stack developer who can do frontend, backend, DevOps, design, and product management.” No, you need five different people. And you’re going to get someone mediocre at all of it. The industry’s obsession with full-stack everything is killing specialization, and we’re all worse off for it. Here’s what’s happening: Companies want one person who can build React apps, design APIs, manage infrastructure, write SQL, and deploy to Kubernetes. Because hiring one person is cheaper than hiring specialists. So you get developers who know a little bit of everything and aren’t truly excellent at anything. The frontend is functional but slow. The backend works but has security issues. The infrastructure is held together with duct tape because nobody really understands it deeply. Meanwhile, actual specialists who’ve spent years mastering their domain can’t get hired because they “only” know backend or “only” know frontend. Being a generalist has value. Understanding the full stack helps you make better decisions. But there’s a massive difference between understanding how the pieces fit together and being responsible for building all of them to production quality. A great backend developer who understands frontend beats a mediocre full-stack developer every time. A frontend specialist who can build accessible, performant UIs beats someone who “also does frontend” after years of only doing backend. Deep expertise matters. You can’t get it by spreading yourself thin across six different domains. The best teams I’ve worked on had specialists who collaborated well. Frontend devs who were experts at React. Backend devs who deeply understood databases and API design. DevOps engineers who actually knew how to run infrastructure. Stop expecting one person to be world-class at everything. Start hiring people who are excellent at one thing and good enough at the rest. Depth beats breadth when it comes to building quality software. Are you a specialist or a generalist? Which do you value more? 🔁 Found this useful? Hit repost to share with your network. 💡 New here? Follow Rostyslav Volkov for more thoughts on web and backend development. #BackendDevelopment #FullStack #SoftwareEngineering #WebDevelopment #TechCareers

Three years ago I wrote a guide for people entering IT. It was based on my own path: identify a field, learn the skills, get a junior role, grow on the job. I'm a frontend tech lead now. I hire juniors. I teach software engineering at VŠE. I also build side projects that lean heavily on AI tools. And I don't think the guide I wrote three years ago is still true. The junior developer path has narrowed sharply, and the reason is simpler than the usual "AI is taking jobs" framing. AI ate the exact work juniors used to learn on. Not the hard work. The easy work. The small tickets, the boilerplate, the well-defined bugs. That work was never really about the output. It was about the reps. Hundreds of small decisions that quietly build engineering instinct over months. So two uncomfortable questions: What's left for a junior to actually do? And who becomes senior in five years, if we stopped hiring the people who'd grow into it? I wrote the full argument on my blog. Link in the comments.

🚀 From Full Stack Developer to Software Engineer – What Changes? Many developers think both are the same… But there’s a clear difference in thinking and approach. 🔹 Full Stack Developer Focus: Building features • Frontend + Backend • APIs, UI, database 👉 Goal: Make it work 🔹 Software Engineer Focus: Building systems • Architecture & scalability • Performance & security • Design decisions 👉 Goal: Make it reliable, scalable, and maintainable --- 🧠 What actually changes? 🔹 You stop just coding… 👉 You start designing systems 🔹 You don’t just solve bugs… 👉 You prevent them with better architecture 🔹 You don’t think feature-wise… 👉 You think product-wise 🔹 You don’t just ask “How?” 👉 You start asking “Why?” 💡 Simple idea: Full Stack Developer = Builds applications Software Engineer = Designs systems behind those applications As a MERN Stack Developer, I’m now focusing on thinking like a software engineer building systems that scale, not just features that work. #MERNStack #SoftwareEngineer #FullStackDeveloper #SystemDesign #Developers

Everyone wants to become a Full Stack Developer… But here’s the harsh reality 👇 Being “full stack” doesn’t mean knowing a little bit of everything and mastering nothing. It’s not about juggling frontend and backend poorly. It’s about understanding the system end-to-end — how UI talks to APIs, how APIs handle logic, and how data flows seamlessly. A true full stack developer: ✔ Writes clean, scalable backend logic ✔ Builds intuitive and performant frontend ✔ Understands architecture, not just code ✔ Knows when to go deep instead of just wide Don’t aim to be everywhere. Aim to be valuable across layers. Because “average at everything” is not full stack — impact across the stack is. #FullStackDeveloper #SoftwareEngineering #TechCareers #Developers #CodingJourney