Top Business Logic Layer freelancers

51 freelancers list Business Logic Layer on Upwork.

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Showing 50 of 51Data updated Nov 7

# Freelancer		SinceMember since
Stanislav S. 🇺🇦🇺🇦 Lead Back-End Engineer \| Java + Spring \| Code investor-ready products	$10k0%	Feb 2021Feb 16, 2021
Evgenii P. 🇦🇪🇦🇪 Senior Backend Engineer \| Banking, SQL & APIs	$7k↑ 8%	Apr 2016Apr 15, 2016
Sai Murali Krishna M. 🇮🇳 NewNew🇮🇳 TechLead/Architect - Sitecore, .Net, ReactJs, NextJs, EntityFramework	$3k↑ 24%	Mar 2021Mar 5, 2021
4 Narek H. 🇦🇲🇦🇲 Expert Node.js Backend Engineer \| Top 3 Percent Engineers	$3k↑ 14%	Jan 2017Jan 29, 2017
5 Andrii I. 🇺🇦🇺🇦 Software Architect \| Full-Stack (Flutter, Firebase/Supabase, Node.js)	$1k↓ 10%	May 2017May 11, 2017
6 Okon N. 🇳🇬🇳🇬 M365 Technical Support Engineer	$923↑ 5%	Jul 2021Jul 19, 2021
7 Rahul B. 🇦🇺🇦🇺 Java Full Stack Developer	$0↓ 100%	Apr 2021Apr 27, 2021
8 Abdul R. 🇵🇰🇵🇰 Senior Backend / Full-Stack Engineer \| Spring Boot, Next.js, Postgres	$0–	Oct 2021Oct 24, 2021
9 Arslan S. 🇵🇰🇵🇰 API Integration & Automation Expert	$0–	Feb 2021Feb 22, 2021
10 Rizwan A. 🇵🇰🇵🇰 Fullstack Developer \| Laravel \| Node \| Vue \| Nuxt.js \| React \| Next.js	$0–	Jul 2021Jul 14, 2021

Freelancer	MRR	Member since
11 Hydajet Q. 🇦🇱🇦🇱 Sales, VA, Project management, SEO specialist, QA and admin	$0–	May 2021May 4, 2021
12 Ahsan A. 🇵🇰🇵🇰 Senior Backend & DevOps Engineer \| API Architecture, Voice AI & VoIP	$0–	Jan 2022Jan 18, 2022
13 Usman Ali R. 🇵🇰🇵🇰 Web development	$0–	Jun 2021Jun 4, 2021
14 Muhammad S. 🇵🇰🇵🇰 Full-Stack .NET Developer \| 16 Years of Experience in Angular, React	$0–	Apr 2011Apr 28, 2011
15 Dvir S. 🇮🇱🇮🇱 AI Consultant & Senior Engineer \| Production AI Systems, FullStack	$0–	Oct 2025Oct 25, 2025
16 Elmo C. 🇵🇹🇵🇹 Business Consulting and Software Development	$0–	Mar 2021Mar 22, 2021
17 Saad K. 🇵🇰🇵🇰 Agentic Platform Developer	$0–	May 2013May 20, 2013
18 Rupak T. 🇳🇵🇳🇵 Full Stack Developer \| Angular, React, Node.js, ASP.NET, React Native	$0–	Feb 2021Feb 26, 2021
19 Eldrin B. 🇵🇭🇵🇭 Fullstack Developer	$0–	Jun 2021Jun 8, 2021
20 Ricardo A. 🇨🇴🇨🇴 Senior Ruby on Rails	$0–	Mar 2021Mar 27, 2021

Freelancer	MRR	Member since
21 Igor Aleksandrovich K. 🇮🇱🇮🇱 Backend and Frontend Typo3 Web developer	$0–	May 2021May 28, 2021
22 Ujjval K. 🇮🇳🇮🇳 CMS \| Laravel \| PHP \| React \| CakePHP \| Codeigniter \| AWS \| S3 Bucket	$0–	Sep 2021Sep 13, 2021
23 Nisha D. 🇮🇳🇮🇳 Web Developer	$0–	Oct 2021Oct 1, 2021
24 Dhruvin D. 🇮🇳🇮🇳 Senior UX/UI Designer \| Design Engineer \| Product Architect	$0–	Feb 2021Feb 9, 2021
25 Raja U. 🇵🇰🇵🇰 Django Expert - Python Fullstack Web Developer	$0–	Apr 2017Apr 21, 2017
26 Chris W. 🇺🇸🇺🇸 Technology builder and leader	$0–	Jul 2021Jul 12, 2021
27 Kamran K. 🇵🇰🇵🇰 SaaS Architect \| Full-Stack Expert \| Next.js \| Supabase \| Node.js	$0–	Feb 2020Feb 17, 2020
28 Richard H. 🇺🇸🇺🇸 Integration Specialist \| API Integrations, Workflow Automation	$0–	Aug 2021Aug 8, 2021
29 Ammar S. 🇪🇬🇪🇬 Experienced Software Engineer \| .NET, Angular, Flutter	$0–	Oct 2022Oct 26, 2022
30 Narayan P. 🇮🇳🇮🇳 .NET Full Stack Developer \| ASP.NET Core \| Azure \| React \| AI Integrat	$0–	Feb 2021Feb 23, 2021

Freelancer	MRR	Member since
31 Siddharth S. 🇮🇳🇮🇳 9+ Yr. \| MEAN \| MERN \| NGRX \| PHP \| Angular \| Full-stack Expert	$0–	Apr 2018Apr 15, 2018
32 Nghia T. 🇻🇳🇻🇳 Software Engineer: Website Full-Stack Developer	$0–	Jul 2021Jul 26, 2021
33 Boujid 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.🇲🇦 Senior Backend Engineer, Go / Rust / TypeScript	≈$0–	Sep 2021Sep 25, 2021
34 Adhika 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 Backend Developer \| Golang & Node.js \| Production System & MVP	≈$0–	Mar 2021Mar 22, 2021
35 Farhan Ali 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.🇵🇰 Backend Developer - Java APIs, .NET, PHP, Nodejs	≈$0–	Jun 2021Jun 3, 2021
36 Michael W. 🇺🇸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.🇺🇸 Technology Project Manager	≈$0–	May 2021May 4, 2021
37 Govind 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 Sep 25, 2026.🇮🇳 Full Stack Programmer with ASP.NET \| Angular.js \| React.js	≈$0–	Jun 2021Jun 10, 2021
38 Sayani 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.🇨🇦 Senior Business Analyst BSA - Requirement Expert for IT	≈$0–	Jun 2022Jun 3, 2022
39 Pranjal 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.🇮🇳 Python Programmer \| Data engineering	≈$0–	Jun 2021Jun 24, 2021
40 Dennis 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.🇺🇦 UX/UI design, JavaScript, React.js, Node.js full-cycle development	≈$0–	Sep 2021Sep 10, 2021

Freelancer	MRR	Member since
41 Octavio 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 5, 2026.🇨🇱 Java development	≈$0–	Apr 2021Apr 29, 2021
42 Shravan 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 Prototyper - Web \| Blockchain \| AI	≈$0–	Nov 2018Nov 20, 2018
43 Muhammad Umer 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 Nov 5, 2026.🇵🇰 Software Engineer \| Backend & Data \| Azure \| AWS \| Django	≈$0–	Apr 2021Apr 3, 2021
44 Vishal 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 5, 2026.🇮🇳 Web ApplicationDevelopment- Microservices\| .NET Core\|MVC\|Web API	≈$0–	Jul 2021Jul 27, 2021
45 Raghav 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 Data Scientist, AI / ML Engineer, Web & Software Developer	≈$0–	Feb 2021Feb 1, 2021
46 Deepika 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.🇮🇳 Data Entry, PDF to Word/Excel, OCR, Word, Excel, Fillable PDF Expert	≈$0–	Sep 2021Sep 8, 2021
47 Ndivhuwo 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.🇿🇦 Mendix developer	≈$0–	Feb 2021Feb 2, 2021
48 Gustavo 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 Nov 5, 2026.🇦🇷 Professional web developer - 3D AR VR XR webGL webXR - BabylonJS Guru	≈$0–	Feb 2021Feb 4, 2021
49 Umut I. 🇹🇷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.🇹🇷 Expert Software Developer	≈$0–	Apr 2021Apr 13, 2021
50 Aleksandr N. 🇮🇱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 Developer \| 5+ years \| React \| Node.js	≈$0–	Jun 2021Jun 19, 2021

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