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Looking for a full-time Full-Stack Mobile & Web Developer to maintain, improve, and support our mobile casino app, website, admin tools, APIs, wallet flows, payment integrations, and platform operations. This role is not for a basic website/App developer. We need someone who can work across both the front end and back end of a live transaction-based platform where accuracy, security, uptime, and fast bug fixes matter. Responsibilities • Maintain and improve the mobile casino app, sportsbook • Fix front-end and back-end bugs quickly and properly • Work on player registration, login, app download, deposit, withdrawal, wallet, and promo flows • Support Android APK and iOS/TestFlight builds • Build and improve admin tools, dashboards, and internal reporting • Integrate and troubleshoot third-party APIs, webhooks, payment tools, crypto tools, SMS/WhatsApp, analytics, and affiliate tracking systems • Monitor production issues, server logs, database errors, and transaction problems • Support staging, testing, deployment, rollbacks, and live platform updates • Document changes and communicate clearly with operations, support, and management Required Qualifications • 3–5+ years of full-stack development experience • Strong mobile app experience with React Native or Flutter • Strong web experience with React.js / [login to view URL] • Backend experience with Node.js, Python, PHP, Java, or similar • Strong knowledge of REST APIs, webhooks, authentication, and role-based access • Database experience with PostgreSQL, MySQL, MongoDB, or similar • Experience with payment, wallet, crypto, fintech, e-commerce, or other transaction-based systems • Comfortable working with live production systems • Git/GitHub or GitLab experience • AWS, Google Cloud, Azure, or general server/deployment experience • Strong understanding of security basics, API protection, audit logs, and data integrity Preferred Experience • iGaming, online casino, sportsbook, fintech, crypto, or payments experience • Wallet transaction logic, deposit/withdrawal flows, pending balances, and reconciliation • Admin panel development • KYC, AML, affiliate tracking, analytics, or bonus/promo system experience • AppsFlyer, WhatsApp/SMS APIs, payment gateways, or crypto processor integrations Ideal Candidate The right person is reliable, detail-oriented, fast at debugging, careful with live systems, and able to explain technical issues in simple terms. You should be comfortable working with a non-technical operations team and understand that every wallet, payment, and player-account issue has real-money consequences. Must-Haves • Full-stack development ability • Mobile app development experience • Backend/API experience • Database experience • Payment or transaction-flow experience • Production bug-fixing experience • Security awareness • Strong communication • Ability to test before deploying Position Type: Full-time Role: Full-Stack Mobile & Web Developer Industry: Online casino / sportsbook / fintech-style platform Location: Remote or hybrid, depending on candidate Start Date: Immediate / flexible To apply, please send your resume, portfolio or GitHub, examples of apps/platforms you have worked on, and a short summary of your experience with mobile apps, backend systems, and payment or transaction-based platforms.
Project ID: 40445100
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101 freelancers are bidding on average $34 USD/hour for this job

With over a decade of experience in full-stack architecture and high-scale systems, I understand the importance of maintaining, improving, and supporting your mobile casino app, website, admin tools, APIs, wallet flows, payment integrations, and platform operations. My background in developing high-complexity systems, such as serving over 1 million users, directly applies to the challenges of your iGaming platform. For strategic insight, I would recommend implementing a robust monitoring and alert system to ensure prompt bug fixes and system uptime. In my past projects, I have successfully handled similar responsibilities, including supporting live production systems and ensuring fast bug fixes to maintain platform operations. I encourage you to reach out to discuss how my experience and skill set align with the requirements of your project. Let's connect to further explore how I can contribute to the success of your full-stack iGaming platform development.
$40 USD in 15 days
9.2
9.2

⭐⭐⭐⭐⭐ Full-Stack Mobile & Web Developer for Casino App Support & Improvement ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project needs and see you are looking for a Full-Stack Mobile & Web Developer. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed over 50 similar projects, focusing on mobile and web platforms. I will maintain and improve your casino app, fix bugs quickly, and ensure smooth transaction flows while staying within your budget. ➡️ Why Me? I have over 5 years of experience in full-stack development, specializing in mobile apps with React Native and web solutions using React.js. My expertise includes backend development with Node.js and PHP, along with strong knowledge of REST APIs and database management. I also understand the importance of security and uptime in live systems, ensuring a reliable platform for your users. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you soon! ➡️ Skills & Experience: ✅ Full-Stack Development ✅ Mobile App Development ✅ React Native & React.js ✅ Node.js & PHP ✅ REST APIs & Webhooks ✅ Database Management (PostgreSQL, MySQL) ✅ Payment Integration ✅ Bug Fixing & Debugging ✅ AWS & Cloud Services ✅ Security Best Practices ✅ Agile Development ✅ Strong Communication Skills Waiting for your response! Best Regards, Zohaib
$30 USD in 40 days
8.1
8.1

Hello! As per your project post, you’re looking for a full stack development partner to maintain, optimize, and scale a live iGaming ecosystem covering mobile apps, sportsbook systems, wallet operations, payment flows, APIs, admin tools, and platform infrastructure. The goal is to ensure the platform remains stable, secure, fast, and highly reliable while continuously improving player experience, transaction handling, and operational workflows across web and mobile environments. My focus will be on delivering complete full stack iGaming platform support, featuring: mobile casino and sportsbook maintenance, front end and backend bug fixing, secure player registration and authentication workflows, wallet and transaction management, deposit and withdrawal integrations, Android APK and iOS/TestFlight deployment support, admin dashboards and reporting systems. I specialize in building and managing scalable transaction based platforms using React, Flutter, Node.js, Laravel, PostgreSQL, MySQL, cloud infrastructure, and real time backend systems with strong expertise in payment processing, API architecture, security practices, and high uptime production environments. Let’s connect to review your current platform architecture, tech stack, operational pain points, and deployment workflows so we can define the best long term development and support strategy. Best regards, Nikita Gupta.
$25 USD in 40 days
6.8
6.8

Hello I have read your requirements, and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Game Development, Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$25 USD in 40 days
6.6
6.6

Hello, I hope you are doing well. I understand that you are looking to build an iGAMING PLATFORM, and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$25 USD in 40 days
7.3
7.3

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have extensive experience developing and maintaining full-stack transaction-based platforms, including mobile apps and web portals, where I ensured smooth wallet flows, secure payment integrations, and fast bug fixes. From my experience, the most important part to successfully complete this project is maintaining high accuracy and security while handling live transaction flows and payment systems. Approach: ⭕ I will promptly debug and fix front-end and back-end issues across your mobile casino app and website. ⭕ Maintain and enhance player registration, wallet, and payment flows to ensure seamless user experience. ⭕ Integrate and troubleshoot third-party APIs and payment gateways while ensuring data protection. ⭕ Build and improve admin tools and dashboards for efficient platform operations. ⭕ Monitor live production systems proactively to prevent downtime and transaction errors. ❓Could you please specify which payment and crypto processors are currently integrated or planned for integration? I am confident my full-stack expertise in mobile and web platforms with a keen focus on security and transaction integrity will meet your platform needs perfectly. Looking forward to contributing to your iGaming platform's success. Best Regards, Nam
$25 USD in 32 days
5.5
5.5

With over 5 years of experience in full-stack web and mobile development as well as a deep understanding of working with transaction-based systems and APIs, I believe I am uniquely qualified to meet the demands of your iGaming platform. My love for technology and my drive to create efficient, scalable, and user-friendly applications align perfectly with your project's goals. Moreover, my familiarity with integrating multiple third-party APIs including SMS/WhatsApp is an asset to resolve issues as fast as possible. I am no stranger to complex transaction flows having worked extensively with payment, wallet, crypto, fintech and e-commerce systems; a skillset that directly lines up with the core functionalities of your project. Plus, experience working in Azure implies anticipating and handling live production system challenges which is pivotal in maintaining platform uptime. My absolute attention to detail accompanied by an ability to articulate technical issues clearly is a powerful combination enabling me calibrated communication with non-technical operations teams effectively
$38 USD in 40 days
4.9
4.9

Hello, I have reviewed the details of your project. I’m very interested in your full-stack mobile and web developer position for your casino and sportsbook platform. I have extensive experience working on transaction-based mobile apps and web platforms, including payment flows, wallet systems, and admin dashboards. I’m comfortable managing live production systems and resolving urgent bugs quickly while maintaining accuracy and security. I’d like to schedule a meeting to discuss the platform’s current architecture, upcoming priorities, and how I can contribute to improving the mobile app, web interface, and backend operations. I can also share examples of similar projects I’ve worked on where fast bug fixes, wallet integrity, and smooth user flows were critical. I will share my portfolio in chat Looking forward to hearing from you through chat. Thanks Best Regards, Ahmad
$38 USD in 40 days
5.4
5.4

Hey, I can start now. ✅I’ve worked on something very SIMILAR. Developing a full-stack iGaming platform can be challenging, especially ensuring accuracy, security, and fast bug fixes on a live transaction-based system. I've tackled similar projects, maintaining and improving mobile apps, sportsbooks, and payment integrations. While I haven't done this exact project, I have experience with React Native, Node.js, and database management, which aligns well with your needs. My approach involves quick bug fixes, seamless integration of APIs, and clear communication with the team. Let's chat! -Dorofii
$34 USD in 40 days
1.9
1.9

With my over two decades of experience in software development and expertise in full-stack mobile and web development, I am confident in my ability to take on the responsibilities outlined in your project description. Over the course of my career, I've built and maintained various transaction-based platforms, similar to what you require for your iGaming project. This includes mobile casino apps, admin tools, wallet flows, payment integrations - all while ensuring security, accuracy, uptime, and lightning-fast bug fixes. In particular, I've amassed significant experience with both React Native (for mobile apps) and React.js/Next.js (for web) – a perfect combo and fit for your multi-faceted mobile casino app, website, and admin tools. These experiences have given me a strong knowledge of REST APIs, webhooks, authentication – key skills that underpin successful gaming platform development. Not only that but my comprehensive understanding of databases from PostgreSQL to MySQL adds another level of competence to my offerings. Beyond technological proficiency, I deeply understand the importance of security baselines and data integrity; absolutely vital elements when real money transactions are on the line. As a self-driven problem-solver with an impeccable attention to detail and fast debugging speed - qualities drawn out by successful tenure in similar high-risk environments- I assure you 100% dedication if given your team's trust – yielding excellent outputs for smooth running operations. Let me also note that as a versatile developer proficient with various contextual tools convenient alongside Flutter which might be useful whilst working on your app sleekly helping extend beyond my scope when needed. My value stretches beyond the technical realm; communication is one of them. I believe it is just as critical for technical experts such as myself to communicate complex technical terms/situations in a palatable manner that people without a deep understanding can follow. Because at the end of the day every issue we will face together has real-money stakes attached to it. So, let's not leave anything to chance, let me take care of your project and you can rest easy focused on other critical elements of your platform! I'm looking forward to the opportunity to discuss your project in more detail.
$38 USD in 14 days
1.4
1.4

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "Full-Stack iGaming Platform Development" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$25 USD in 3 days
1.4
1.4

Hey! Having successfully partnered with over 80 businesses worldwide, I'm confident in my ability to not only build but enhance and scale your iGaming platform. With five years of hands-on experience, I've mastered the ins and outs of full-stack development, including robust mobile app development with React Native and Flutter. On the web side, I've proven my mettle with React.js and Next.js. Thanks to my deep understanding of transaction-based systems like yours, I can proficiently handle the intricacies of player registration, wallet flows, payment integrations and much more. My broad API knowledge combined with a solid grasp on authentication and role-based access will allow for seamless integration of multiple third-party systems into yours. Working in such a live environment has honed my front-end and back-end debugging skills that ensure swift yet comprehensive bug fixes, enhancing platform uptime. Moreover, my experience building admin tools and internal reporting systems makes me the ideal fit to build and improve yours as well. And while we're on preferred experiences, let me assure you that I understand the gravity of every wallet or payment issue in terms of real money. Hard-earned experience has made me reliable, detailed-oriented, fast at fixing bugs in live systems without compromising on quality or security standards. Give me an opportunity to exceed your expectation; you won't be disappointed!
$35 USD in 45 days
1.0
1.0

Hi, Having worked extensively on full-stack development, mobile app development, and backend systems for over a decade, I understand the critical importance of maintaining, improving, and supporting a live transaction-based platform like your iGaming setup. Ensuring accuracy, security, uptime, and rapid bug resolution are top priorities in such environments. My approach involves seamlessly integrating React Native for mobile, React.js for web, and Node.js for backend, ensuring a cohesive and efficient system. With a keen eye for scalability and reliability, I have successfully handled similar projects in the past, focusing on player flows, admin tools, API integrations, and platform operations. I have a solid track record of working with REST APIs, database systems like PostgreSQL, and cloud infrastructure such as AWS. My experience in iGaming, fintech, and transaction-based platforms aligns well with the requirements of this role. I have a few questions about the project and would love to discuss further details with you. My timezone is flexible, so communication and collaboration will remain smooth throughout the project. Best regards, Jonny Ha Senior Software Engineer | Automation Engineer
$40 USD in 40 days
0.0
0.0

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Royal IT service
$38 USD in 40 days
0.1
0.1

London, Canada
Member since May 15, 2026
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