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Siddharth J.
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Siddharth J.

Experienced Clojure Developer | Clojure, Java, React, AWS

Hi, I'm a passionate software developer with over 20 years of experience building everything from simple tools to complex, high-performance web and software applications. I craft clean, intuitive, user-friendly solutions with a strong focus on performance, security, and maintainability. Whether you're a startup or an established business, I bring the same level of dedication, attention to detail, and professionalism to every project. A few years ago, I was in search of a language that combined power, elegance, and joy. After exploring many options, I found that in Clojure and Functional Programming — and I've committed to it ever since. My technical toolkit includes: Languages & Frameworks: Clojure, Clojurescript, Java, Spring, Go, JavaScript, React, Python, PHP Databases: MySQL, PostgreSQL, MongoDB, Datomic etc. Cloud & DevOps: AWS and modern cloud-native technologies I’ve successfully delivered solutions for both individual entrepreneurs and large enterprises, always aligning with the client's vision while applying best practices and thoughtful engineering. Software development isn’t just my profession — it’s my passion. I'm here to help you build something meaningful, scalable, and delightful for your users. ✅ Clean code ✅ Maintainable architecture ✅ Smooth user experience ✅ Reliable, on-time delivery Let’s bring your ideas to life!

🇮🇳Raipur, India$50/hr100% JSS4.73 (2)Since Oct 2015

Earnings and projects

MRR
$4.3k

Last 6 months ÷ 6

World#7,185 / 412k
🇮🇳Country#868 / 45.9k
Revenue, last 30 days
$3.4k

Last 6 months: $26k

World#10,571 / 412k
🇮🇳Country#1,298 / 45.9k
Total earnings
$275k

Billed in all: $287k

World#9,078 / 412k
🇮🇳Country#1,438 / 45.9k
Per project
$55k

$13k in the last 6 months

World#767 / 412k
🇮🇳Country#71 / 45.9k
Projects, last 6 months
2
50% fixed50% hourly
World#88,921 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
5

Across 10 contracts

30% fixed70% hourly
World#266,044 / 412k
🇮🇳Country#33,383 / 45.9k

Earnings, last 30 days

$287k+$3.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$282k$284k$286k$288kOct 8Oct 23Nov 7

Skill rankings: Top 2% in Spring MVC

Ranked by MRR among everyone on Upwork with the skill.

  1. 2ClojureScript19 freelancers · 🇮🇳 #1Top 11%
  2. 3Clojure39 freelancers · 🇮🇳 #1Top 8%
  3. #5Spring MVC243 freelancers · 🇮🇳 #2Top 2%
  4. #27AWS Application690 freelancers · 🇮🇳 #6Top 4%
  5. #265Java8,313 freelancers · 🇮🇳 #34Top 3%
  6. #296MongoDB10,865 freelancers · 🇮🇳 #71Top 3%
  7. #331MySQL14,471 freelancers · 🇮🇳 #44Top 2%
  8. #525PostgreSQL12,850 freelancers · 🇮🇳 #77Top 4%