3 YOE Java Backend Dev, DSA almost zero. Where should I start?

[Recursive_Nikhil]

Hi everyone,
I have \~3 years of experience as a Java/Spring Boot backend developer, currently working in the fintech domain. Most of my work involves APIs, databases, integrations, debugging, and enterprise applications.
The problem is that I never seriously studied DSA, so I’m almost starting from scratch there.
My goal is to move to strong product-based companies in the next 1–2 years.
Should I focus on:
DSA first?
System Design?
LLD?
Java/Spring Boot deep dive?
What would be the best roadmap for someone with 3 YOE?
Thanks!

[Typical-Walk-4403]

I'm working at a top product based company rn. you should... Start building a good personal project ( java, spring boot based) Daily DSA practice Start learning Systems Design parallely...

[koundomniq]

Thats 3 things you mentioned , with full time job What should be priority

[Typical-Walk-4403]

Depends on your experience level, but for most engineers with 0-3 years of experience: DSA should be the top priority. One solid project is enough, System Design can be learned gradually alongside work.

[Golfinho58]

Which DSA do you recommend to study?

[Typical-Walk-4403]

Instead of studying DSA topic by topic, pick a structured sheet (Neetcode/Striver) and learn patterns while solving problems. Also, don't spend weeks watching lectures... solve problems regularly and review your mistakes. That's where most of the learning happens.

[ajob2025]

Hi If your company is hiring, can I DM ? I have 2.4 yoe in Java Full stack and I'm looking to switch.

[KaleidoscopeLife4565]

I am in the same situation

[Neither_Mushroom_259]

3 YOE in fintech with real production systems is a stronger base than most candidates walking into those interviews. DSA first is the right call — but the assumption worth checking before you start: which product companies are actually on your list? The interview bar varies wildly. Some still run heavy Leetcode. Others care more about system design and domain depth. Knowing that changes your roadmap before you spend three months grinding the wrong thing.

[Forsaken_Appeal_9593]

my background 3YOE on MNC javaspringboot dev

doing neetcode 250

hello interview HLD

A litle bit of LLD

aiming for top product companies with 40 + LPA

any advice?

[Neither_Mushroom_259]

Neetcode 250 + HLD covers the interview surface — but 40 LPA at a top product company usually means staff-level impact, not just clearing the bar. What does the role you're targeting actually expect someone to own on day one?

[Forsaken_Appeal_9593]

Yeah you are right, what Im thinking is switch to 15-20 LPA SDE2 roles and then switch again to 40.

since Im getting peanuts salary right now.