Hire the Best Devise Developers

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Rating is 4.8 out of 5.
4.8/5
Based on 1,201 client reviews
Mohammad Faizan K.

Karachi, Pakistan

$40/hr
5.0
4 jobs

I build high-performance interactive 3d applications using Unity game engine. My work spans Interactive Application, Digital Twins, 3D Simulations, Gamification, Games, AR Applications, 3D Web configurators, Product Configurators, Enterprise tools, Industrial Application, Mobile Apps and advanced interactive experiences for startups, businesses, and large organizations. For over a decade, I’ve delivered production-ready Unity projects across mobile, desktop, WebGL, and XR devices including iOS/Android, Oculus Quest, HTC Vive, and HoloLens. I’m comfortable joining an existing team, taking over a legacy project, or building a complete module from scratch with clean architecture and optimized performance. Core Expertise - Unity Development - SaaS App Development - Full Stack - AI Integration - Interactive 3D applications and simulations - Mobile/desktop/WebGL games & experiences - Gameplay systems, physics, AI, multiplayer foundations - Comprehensive optimization & performance troubleshooting - Bug fixing, refactoring, legacy code recovery - C# scripting, UGUI, Cinemachine, Addressables, Asset Bundles - 3D and virtual walkthrough video generation AR/VR Development - ARKit, ARCore, AR Foundation, Vuforia - Room-scale VR and PCVR (Quest, Vive) - Product visualization & 3D configurators - Spatial computing workflows - 3 commercial AR apps published on google play Digital Twins - Real-time monitoring using Unity + IoT pipelines - Industrial simulations with live data (Kafka, MQTT, REST, AWS) - AEC visualization and construction workflows Browser-based 3D configurators (WebGL) Web Games and Android Games published on play store and itch Supporting Tech (for full-pipeline delivery) Python/C# automation, data workflows, GIS processing Web integrations (PHP, JavaScript, NodeJS, .NET, REST APIs) Databases: MySQL, SQLite, MS SQL Server, Firebase Selected Achievements - Built a Unity AR MVP (RoomPlan + ARKit) for the retail furniture industry that helped a startup secure pre-seed investment - Led the development of a SaaS digital twin platform that improved 3D digital twin project delivery and client retention. - Creating an AR workbook app for Grade 4 students. - Developed a 200+ km streaming WebGL environment using asset bundles for a 3D railway line project. - Built digital twins for industrial sites, including power-plant monitoring systems - Delivered factory/building digital twin PoCs improving operational visibility - Published AR apps in healthcare, education, and retail - Automated workflows with Python/C#, increasing team efficiency by 25–30% - Designed and developed a 3D talking avatar solution for interactive services - Created Unity WebGL 3D Configurator for Room Apartments and Car Configurator Tech Stack Unity, C#, UGUI, Cinemachine, Addressable, Asset Bundles, WebGL, ARKit, ARCore, AR Foundation, RoomPlan API, Vuforia, Firebase, iOS/Android, Quest/Vive integrations C#, Python, JavaScript, PHP WordPress (custom development), ASP NET MVC, .NET Core REST APIs, JSON, SQL MySQL, MS SQL Server, SQLite What You Get A senior Unity engineer with 11+ years building real, shipped products. Technical leadership experience with Product Development Acumen Solid architectural thinking Production-grade code Ability to handle Unity + backend + integrations Fast onboarding into existing teams Clear communication and predictable delivery Services Unity development & performance optimization AR/VR application development 3D Industrial Applications Digital twin systems WebGL configurators 3D walkthrough and construction animation videos Workflow automation (Python/C#/API-based tools) Selective web development (WordPress / .NET) for Unity-connected systems Availability & Rate Hourly: $35/hr If you have a Unity project that needs reliability, stability, and someone who knows how to ship, I can help. Send your requirements and I’ll map out a clean plan and timeline.

  • Unity
  • C#
  • Augmented Reality
  • AR Foundation
  • AR & VR Development
  • ARCore
  • AR Application
  • Generative AI
  • WebGL
  • 3D Design
  • iOS
  • Android
  • Vuforia
  • PHP
  • SQL
  • .NET Core
  • Web Design
  • WordPress
  • Product Development
  • Product Management
Adam N.

Ho Chi Minh City, Vietnam

$20/hr
5.0
15 jobs

Welcome to SparkMinds! ▶️ Founded in 2021, our journey began by delving into Blockchain projects, and since then, we've achieved remarkable success, including the successful implementation of several multimillion-dollar Crypto Exchange projects. Over time, we've expanded our workforce and extended our technology services to various sectors worldwide, including banking systems, account integration, fintech mobile apps, enterprise financial software, wallet applications, and secure data sharing. ▶️ Our team of around 50 talented individuals continues to grow, both in quantity and quality. We boast skilled teams of Web/Mobile Developers, DevOps engineers, and Automation QA experts. ▶️ Our Services: 1. Blockchain Development 2. Mobile Application Development 3. Custom Web/App Implementation 4. Dedicated Resources Hiring 5. Ongoing System Maintenance 6. QA & Testing 7. Cloud Infrastructure Setup 8. IT Consulting & System Architecture ▶️ At SparkMinds, we utilize the following tech stacks: 📍Frontend Development: ReactJS | AngularJS | Vue.js | HTML5 | CSS3 | JavaScript | Next.js | Svelte | Angular | HTML | CSS 📍Backend Development: Java (Spring Boot, Spring MVC) | Node.js | Golang | Solidity | Deno.js | C/C++ 📂Database: MySQL | PostgreSQL | MongoDB | Redis 📱Mobile App Development: React Native | Flutter ☁️Cloud Services: Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Microsoft Azure | Cloud Flare (CDN) ✅DevOps and Deployment: Docker | Jenkins | CircleCI | GitLab CI/CD | SST | Kubernetes ⛓Blockchain: Ethereum | Solidity | Web3.js 🔍Testing: Selenium | JUnit | Katalon | Apache JMeter | AWS Security Scanner 🤖 Other Tools: Kafka | Elasticsearch | Jira | Atlassian Confluence | GitHub | AWS CodePipeline | SonarQube |OWASP | SNYK | OpenAI ChatGPT ▶️ Our portfolio showcases some of our best accomplishments, including delivering Web/Mobile applications for Crypto Exchange platforms. Additionally, we have another platform in its final stages of development, set to launch soon. If you're in need of reliable development services, don't hesitate to reach out to us. Contact us today! ------------------------------------------------------ SparkMinds J.S.C ®️: We Are More Than Your Demand and Satisfaction! *A Vietnamese Software Development Outsourcing firm providing technology services in many sectors all over the world.

  • MERN Stack
  • React Native
  • Node.js
  • Blockchain, NFT & Cryptocurrency
  • Java
  • Svelte
  • Crypto Exchange Platform
  • Payment Gateway
  • React
  • Flutter
  • Hybrid App
  • Crypto Wallet
  • Golang
  • C++
  • DevOps
  • Salesforce
  • n8n
  • Angular
  • Salesforce CRM
  • Trading Automation
Burhanuddin I.

Nagpur, India

$10/hr
5.0
35 jobs

Hello! I’m a highly experienced AR (Augmented Reality) and VR (Virtual Reality) developer with over 8 years of expertise in creating immersive experiences, game simulations, and intelligent applications powered by AI. I’ve delivered 35+ AR projects, 20+ VR simulations, and numerous AI-integrated apps across platforms like Android, iOS, VR headsets, standalone devices, and web browsers. I've delivered 20+ games 2d,3d - windows,android,IOS,mac Delivered - 5 websites 🎮 Specialties Game Simulations: Safety, mechanical, architectural, educational 2D & 3D Unity Games: Single/multiplayer using PUN2,agora,mirror 360° Tours & Environments Indoor Navigation - Vuforia Area target, Matterport, QR code, Custom. AI-Driven Interactions: ChatGPT, Convo AI, OpenAI API integration,Metaverse 🧰 Tech Stack Unity 3D – ARFoundation, Vuforia, VisionLib, Easy AR, Needle, WebXR, Wikitude, AR kit, AR Core, MAXST, URP/HDRP, Meta Quest, HTC Vive, HoloLens, PICO. Web Development – Responsive websites, Web AR/VR Vuforia studio, Creo Paramateric, Creo illustrate Blender,Sketchup Spark AR & Lens Studio – 23+ custom filters for Instagram, Snapchat, and Facebook 🧠 AI & Real-Time Tech ChatGPT, OpenAI, Convo AI integration Face, Body, and Image Tracking Real-time Communication – Agora, Photon PUN2 🌍 Industries Served Medical & Healthcare Education (STEM and beyond) E-commerce Apps & Websites Mechanical & Architecture Training Simulations (Safety & Maintenance) I combine immersive tech with smart AI systems to build next-gen applications that engage users and solve real-world problems. Let’s build something innovative together!

  • C#
  • Virtual Reality
  • Augmented Reality
  • Unity
  • Mixed Reality Application
  • Game
  • ARKit
  • ARCore
  • AR & VR
  • AR Foundation
  • AR Filters & Lenses
  • Gear VR
  • Oculus Rift
  • Vuforia
  • Spark AR Studio
Bhashkar Y.

Lucknow, India

$27/hr
4.9
497 jobs

Hi, I'm a Top Rated Web Developer with over 12+ years of experience delivering fast, secure, and scalable websites using Craft CMS, ExpressionEngine, and Statamic. I help businesses, startups, and agencies build custom websites, handle CMS migrations, and create powerful integrations tailored to their needs. Why Clients Hire Me: ✅ 10,000+ hours of commercial web development ✅ 8+ years in Craft CMS, 10+ years in ExpressionEngine, 7+ years in Statamic ✅ Expertise in Craft Commerce, Vue.js, React.js, Laravel integrations ✅ Proven experience in maintenance, upgrades, and custom plugin/add-on development Services I Offer: ➢ Craft CMS / ExpressionEngine / Statamic website development ➢ CMS migrations (WordPress → Craft CMS / Statamic, ExpressionEngine → Craft CMS) ➢ Craft CMS plugin development ➢ Craft Commerce & API integrations ➢ Craft CMS + VueJS Development ➢ Craft CMS + ReactJS development ➢ Craft CMS update to latest version ➢ Ongoing support & version upgrades ➢ Expression Engine add-on development ➢ ExpressionEngine + CartThrob development ➢ ExpressionEngine + Expresso Store development ➢ Expression Engine upgrade to latest version ➢ ExpressionEngine API development ➢ Statamic add-on development ➢ Statamic update to latest version ➢ Statamic + Laravel development ➢ Statamic + VueJs development ➢ Custom plugin & add-on development ➢ Ongoing support & version upgrades ➢ CMS Migration ➢ OpenAI API ➢ AI-powered search ➢ CMS + AI integration ➢ AI chatbot integration Tech & Hosting Expertise: ➢ Hosting: Craft Cloud, Servd, CloudWays, Fortrabbit, DigitalOcean, AWS ➢ Tools: Git, NPM, Vite, Gulp, Webpack, DDEV, Docker, Laravel Mix Let's collaborate to create high-performing websites that drive results for your business!

  • Craft CMS
  • WordPress
  • Website Migration
  • WooCommerce
  • ExpressionEngine
  • Ecommerce Website
  • Web Development
  • Statamic CMS
  • Laravel
  • CMS Development
  • CMS Framework
  • Website & CMS Bug Fix
  • Nuxt.js
  • Vue.js
  • AI Implementation
  • AI Chatbot
  • OpenAI API
Yhonico A.

Depok, Indonesia

$19/hr
4.5
10 jobs

I help businesses turn their ideas and business requirements into clear, practical software projects. If you have an app or internal system you want to build, but need help figuring out the requirements, scope, features, timeline, or managing the development team, I can help. I have 13+ years of experience in business operations, system implementation, project management, procurement, research and management across Southeast Asia. Earlier in my career, I worked on web-based system implementations, including system integration, user training and go-live. Since then, my work has expanded into business operations, team management and project delivery. I can help with: - Business requirements and process mapping - Functional specifications and user stories - MVP planning and feature prioritization - Project scope and development roadmap - Coordinating developers and designers - QA / UAT and project testing - Project progress tracking and reporting - CRM, dashboard, workflow and internal business systems I can work with your existing development team, or help coordinate the right resources for the project. My strength is understanding the business side of a project and translating it into something the development team can actually work with. If you already have an idea, requirements document, existing application or development team, feel free to send me the details. I can help you figure out the next steps.

  • Data Visualization
  • Microsoft Excel
  • Data Analysis
  • Web Design
  • Graphic Design
  • Visual Basic for Applications
  • Video Editing
  • Audio Engineering
  • Budget Management
  • AI Chatbot
  • Python
  • Web & Mobile Design Consultation
  • Web Application
  • Mobile App
  • React
  • JavaScript
M Rizki K.

Kampar, Indonesia

$3/hr
4.6
46 jobs

I’m a Software/AI & VPS Engineer, I can fix anything with zero mistakes n build everythings easily n fastest, i got unlimited Codex token, love to do things OpenClaw, Blockchain, Pipeline, flutter, flutterflow, build tools, Internal tools, Modules, Bot, PineScript, Mod, sys Linux n i can copy any site 100% match quick n easy n i strong in backend and full-stack systems and build Web apps, Mobile Apps, Desktop Apps, Rust/Tauri, Electron, Browser Extension n trading system, n strong Web3 edge (EVM, Stellar & Solana). I turn ambiguous ideas into secure, reliable, human-centered products using TypeScript/JavaScript, React/Next.js, Node.js/Nest, Go, Python, Solidity, Rust (Anchor), and modern infra. I care about clean architecture, measurable impact, and great developer experience (DX) also so features ship fast and safe, also love building an Apps & AI things. for the security side, I bring pentest/audit mindset to every build: threat modeling, fuzzing & invariants, automated checks in CI, and clear, actionable reports. I also provide English technical translation/localization for whitepapers, docs, and UI strings. Languages: TypeScript/JavaScript, Vue, Go, Python, Solidity, Rust (Anchor), Php, Ruby, C & C++ Frontend: React, Next.js, Tailwind, Radix/shadcn, Vite, SSR/SSG/ISR, Flutter Backend: Node.js (Nest/Express/Fastify), Go (Gin/Fiber), GraphQL, REST, gRPC, WebSockets Web3: Solidity, Rust/Anchor, Hardhat, Foundry, OpenZeppelin, viem/wagmi, ethers.js, WalletConnect v2, Safe, The Graph, IPFS Testing: Jest/Vitest, Playwright, Supertest, Foundry (fuzz/invariants), Slither, Echidna Data: PostgreSQL, MySQL, SQLite, Prisma/TypeORM/Knex, Redis DevOps: Docker, GitHub Actions, basic K8s, AWS/GCP basics, Sentry, OpenTelemetry, Tenderly, OpenZeppelin Defender Security: OWASP ASVS/API, RBAC/ABAC, token design, key/secret rotation, rate limiting & anomaly detection, audit reports DeFi staking: with upgradeable proxies storage-safe upgrades, 0 criticals in audit NFT marketplace royalty splits, subgraph indexing, gas-optimized listings Solana program PDA-secured escrow with CPI, wallet-adapter UX, >95% test coverage Payments & off-chain settlement Webhooks + queues, idempotent APIs, chargeback handling Security engagement BOLA/IDOR class bugs identified; implemented header-precedence fixes & authZ binding

  • Blockchain Architecture
  • Web Development
  • NFT
  • App Development
  • iOS Development
  • Web Application
  • Product Development
  • Android App Development
  • Web3
  • Flutter
  • Full-Stack Development
  • AI Builder
  • Flutter Stack
  • Technical SEO
  • Linux

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Don't just take our word for it

What does a Devise developer do?

A devise developer translates system design specifications into functional computer programs and maintains those systems as requirements evolve. This role focuses on the full lifecycle of software creation, from initial prototyping to final documentation and ongoing modification. The developer writes code that meets precise user needs and validates the behavior of each component through rigorous testing. Work involves continuous iteration to refine software performance and ensure alignment with technical standards.

  • Designs and develops computer systems or programs based on detailed user and system design specifications. The developer interprets technical requirements to build software architectures that support specific business functions and user interactions. This process includes creating modular code structures that allow for future scalability and maintenance without disrupting existing operations.
  • Creates and tests software prototypes to validate functionality before full-scale implementation. The developer builds experimental components to verify that proposed solutions meet performance criteria and user expectations. Testing protocols identify bugs and logical errors early in the development cycle, which reduces the cost and effort required for later corrections.
  • Documents software work products and records all modifications made during the development process. Clear documentation helps other team members understand the codebase and supports future updates or troubleshooting efforts. The developer updates technical manuals and code comments to reflect the current state of the system after every significant change or feature addition.
  • Implements analysis and programming work to modify existing software as business requirements change. The developer evaluates current systems to determine necessary adjustments and writes new code to integrate these changes seamlessly. This ongoing maintenance ensures that applications remain secure, efficient, and compatible with updated operating environments or third-party services.

How to hire a Devise developer on Upwork

Step 1: Post a job

Define your software requirements clearly to attract qualified candidates who can translate specifications into working code. Use the Job Post Generator powered by Uma™, Upwork's Mindful AI to draft a precise description in seconds. Describe your needs in a few sentences and Uma drafts a job post for the role. You can write a new post, update a saved draft, or reuse an existing post.

  • Specify the programming languages and frameworks required for your system architecture so applicants know if their technical stack aligns with your project.
  • List specific deliverables such as prototype development, system documentation, or module modification to set clear expectations for the work scope.
  • Include any necessary compliance standards or testing protocols the developer must follow to maintain software quality and security.

Step 2: Evaluate candidates

Review portfolios for evidence of full-cycle development work, from initial design specs to tested and documented software components. Uma can run instant video interviews and build shortlists with side-by-side comparisons to help you identify top performers quickly.

  • Look for examples of complex system modifications where the candidate adapted existing codebases to meet new user requirements without breaking functionality.
  • Check for detailed documentation samples that demonstrate how the developer records system changes and maintains clarity for future updates.
  • Verify experience with rigorous testing processes, including unit tests and prototype validation, to ensure reliable software performance.

Step 3: Interview your top choices

Discuss technical approaches to problem-solving and ask candidates to explain how they handle specification changes during active development cycles. Interviews can be scheduled and conducted within Upwork Messages with an immediate transcript and summary after each one.

  • Ask how they prioritize tasks when balancing new feature development against maintenance of legacy systems.
  • Request examples of how they document code logic to facilitate collaboration with other engineers or stakeholders.
  • Explore their testing methodology to confirm they validate software behavior against original design specifications before deployment.

Step 4: Agree on scope and begin work

Finalize milestones for software modules, testing phases, and documentation delivery to track progress effectively. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.

  • Set clear deadlines for code submission and review cycles to keep the development timeline on track.
  • Define acceptance criteria for each software component to ensure it meets functional requirements before approval.
  • Establish a protocol for handling bug fixes or scope adjustments that arise during the testing phase.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a Devise developer cost?

$500-$1,500 per project is a typical range for focused Devise developer work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Prototype development

$500-$1,200/project

Entry-level to mid-level
  • Initial software prototype aligned to specs
  • Validation scripts for core functions
  • Notes on setup and usage

System modification

$1,200-$2,500/project

Mid-level
  • Modified code based on design review
  • Regression tests for changed components
  • Change log and updated specs

Feature implementation

$2,500-$4,500/project

Mid-level to senior-level
  • New software modules per requirements
  • Unit and integration test suites
  • API docs and user guides

System integration

$4,500-$7,000/project

Senior-level
  • Connected systems and data flows
  • End-to-end validation scenarios
  • Integration architecture diagrams

Custom system design

$7,000-$12,000/project

Expert-level
  • Full system design and technical plan
  • Complete software solution
  • Comprehensive technical documentation

Frequently asked questions

Is hiring a Devise developer worth it?

For most businesses, yes: hiring a Devise developer is worthwhile. These specialists translate design specifications into functional software systems and test prototypes to validate behavior before full deployment. They also document changes and modify code as requirements evolve, which reduces long-term maintenance friction.

How do I evaluate Devise developer candidates?

Review their portfolio for evidence of translating design specs into working software components and testing those prototypes against defined criteria. Ask candidates to walk you through how they documented a recent modification or how they iterated on a system after a design review revealed issues.

What deliverables should I expect from a Devise developer?

You should receive designed and developed software systems, tested prototypes aligned with your specifications, and updated documentation reflecting any modifications. These artifacts confirm the work meets your initial design requirements and supports future iterations.

Do Devise developers handle ongoing software maintenance?

Yes, they maintain and evolve software systems as your business requirements change. This includes implementing analysis, programming updates, and modifying existing programs based on new user or system design specifications.