Top Java Collections Framework freelancers

31 freelancers list Java Collections Framework on Upwork.

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Showing 31 of 31Data updated Nov 7

# Freelancer		SinceMember since
Oleksii C. 🇺🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 7, 2026.🇺🇦 Senior/Lead Java Software Engineer	≈$7k–	Nov 2015Nov 25, 2015
Adil W. 🇨🇦🇨🇦 Senior Java Developer \| Spring Boot \| Microservices \| AWS \| REST APIs	$6k↑ 6%	Jun 2023Jun 16, 2023
Vladyslav C. 🇺🇦🇺🇦 Java Software Engineer	$3k↓ 13%	Oct 2022Oct 13, 2022
4 Raju M. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Coordinater	≈$1k–	Jun 2023Jun 24, 2023
5 MADHU G. 🇮🇳🇮🇳 Java Engineer	$824↓ 1%	Oct 2023Oct 27, 2023
6 Muhammad Talha F. 🇵🇰Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Aug 14, 2026.🇵🇰 ReactJS\|Flutter\|Mobile Application Developer	≈$150–	Jul 2021Jul 30, 2021
7 Ashwini T. 🇮🇳🇮🇳 Flutter & React Native Engineer \| SDKs, iOS, Android & AI Mobile Apps	$58↓ 1%	Feb 2023Feb 10, 2023
8 Telegdi D. 🇷🇴🇷🇴 Full Stack Laravel Developer \| Tester	$37↑ 33%	Jun 2023Jun 18, 2023
9 Aravind K. 🇮🇳🇮🇳 Zoho \| Full stack developer with 6 years of experience	$36↓ 19%	Jul 2024Jul 21, 2024
10 Abhi G. 🇮🇳🇮🇳 Full-Stack & Systems Developer \| Java, Spring Boot, Angular & React	$22↓ 65%	Jan 2025Jan 17, 2025

Freelancer	MRR	Member since
11 Anand K. 🇮🇳🇮🇳 \| MQL4\MQL5 MT5 MT4 \| Pine Script \| Java Developer	$9↓ 53%	Apr 2020Apr 4, 2020
12 Sudhan R. 🇮🇳🇮🇳 Quantitative analyst - Data science & automation expert	$0↓ 1%	Nov 2020Nov 5, 2020
13 Tejveer S. 🇮🇳🇮🇳 Senior Java Backend Developer \| Spring Boot \| UPI \| Fintech Expert	$0–	Aug 2020Aug 4, 2020
14 Deeksha D. 🇮🇳🇮🇳 Sr. Software Developer \| Spring Boot \| AWS \| Microservices \| Angular	$0–	Jul 2024Jul 24, 2024
15 Ashwin P. 🇮🇳🇮🇳 Salesforce Developer	$0–	Jan 2025Jan 23, 2025
16 Ahmed B. 🇲🇾🇲🇾 Full Stack Developer \| Java \| Spring Boot \| React, Nest and Next.js	$0–	Oct 2018Oct 16, 2018
17 Manu A. 🇮🇳🇮🇳 Python-Django Developer 8 Years	$0–	Sep 2021Sep 1, 2021
18 Muhammad A. 🇵🇰🇵🇰 Java Developer \| Microservices \| Spring Boot \| Postgres \| JHipster	$0–	Mar 2019Mar 11, 2019
19 Maxim M. 🇹🇷🇹🇷 Java Developer \| Software Engineer	$0–	Sep 2022Sep 24, 2022
20 Papa Abdoulaye Ousmane N. 🇸🇳🇸🇳 Software Engineer ll Full Stack Developer ll java ll Spring\|\|Angular	$0–	Jul 2022Jul 18, 2022

Freelancer	MRR	Member since
21 Mykola P. 🇺🇦🇺🇦 Java Developer \| Spring Boot \| Assignments	$0–	Oct 2021Oct 4, 2021
22 Adil S. 🇩🇪🇩🇪 Full Stack Developer \| React \| React Native \| NodeJS, Express \| Java	$0–	Aug 2020Aug 27, 2020
23 Kayode M. 🇳🇬🇳🇬 IPTV & OTT App Developer \| White-Label, XCIPTV, Smarters, TiviMate Exp	$0–	Mar 2024Mar 19, 2024
24 Ismail Y. 🇬🇧🇬🇧 Principal Software Engineer	$0–	Feb 2025Feb 6, 2025
25 Jijo R. 🇨🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇨🇦 API Developer \| Java \| Spring Boot \| Microservices	≈$0–	May 2020May 18, 2020
26 Arun K. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 SDET Eng \| Selenium, Playwright, Java, JS, WebDriver iO, Cypress, TS,	≈$0–	Dec 2017Dec 16, 2017
27 Aman S. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Software Development \| AWS Lambda, Amazon Web Services, API	≈$0–	Dec 2023Dec 19, 2023
28 Victoria G. 🇺🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇺🇦 Senior Java Developer\| Java \| Spring Boot \| Python \| REST API	≈$0–	Jun 2023Jun 14, 2023
29 Viet L. 🇻🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇻🇳 Senior Mobile Specialist \| Flutter & Full-stack Expert \| Agentic AI	≈$0–	Mar 2020Mar 5, 2020
30 Mohamed A. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Sep 25, 2026.🇮🇳 Full-Stack Developer \| Laravel \| PHP \| Vue \| Javascript \| Java	≈$0–	Oct 2024Oct 24, 2024

Freelancer	MRR	Member since
31 Shanti P. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Full stack Java developer\| MICROSERVICE\|AWS	≈$0–	Apr 2022Apr 19, 2022

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