Freelance Software Development Jobs

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Looking for a developer with experience in game development

I am looking for a developer with proven experience in video game development specifically in browser based strategy or MMO style systems. The project requires full privacy and complete control over every module and all operational data. The interface must be modular and screen based inspired by static MMO strategy games from the 2000s with no animations and no dynamic transitions. The system must include battle logic resource management market mechanics and a UTC based PvP timer accurate to the second synchronized and reliable. The entire experience must run directly in the browser with compatibility for both Web2 and Web3 and no installation required. Additional information is available upon request. Images shown are for example only and the style names and story are different. Only developers who can provide real testable work will be considered. A playable demo is required before any collaboration. The demo can be an existing project a past work or a small technical sample and it does not need to be related to my game. This requirement exists to verify technical ability not to request free work. If you cannot provide a clean functional browser ready demo please do not apply.

Flutter or React Native Full Stack Developer

Job Type: Remote · Hourly-Based About Us Hedgehog is an innovative startup that partners with leading companies in the US to build smart, scalable, and modern technology solutions. We develop social media and license social media engagement products, focusing on high-impact solutions with clean design, intuitive user experiences, and advanced engineering. Job Objective We are looking for a skilled and motivated developer to help us prototype and build an MVP for a consumer social connection app. This role involves creating both the mobile applications (iOS and Android) and the backend needed to support the app. This is an early-stage product, so we need someone who is comfortable working in a fast-moving startup environment and who can turn ideas into a working product quickly. Responsibilities Build a cross-platform mobile app for iOS and Android, preferably using Flutter Design and implement the backend/server (authentication, profiles, matching logic, messaging, etc.) Connect the mobile app to the backend via APIs Help define the technical architecture of the MVP Rapidly prototype and iterate on features Use AI tools (such as Claude Code AI) to speed up development and improve productivity Required Skills Experience building mobile apps for iOS and Android Strong knowledge of Flutter (or similar cross-platform framework) Experience building backend services (Node.js, Firebase, Supabase, or similar) API design and database experience Ability to work independently and take ownership of a product Comfortable working in a startup / MVP environment Nice to Have Experience building dating apps, social apps, or chat apps Experience with real-time features (messaging, notifications) Familiarity with AI-assisted coding tools (Claude, GitHub Copilot, etc.) What We Offer Fully remote work Flexible hours Paid hourly Competitive hourly rate Opportunity to help shape a real product from the ground up How to Apply Please send: A short introduction Your experience with Flutter, iOS/Android, and backend Links to any apps, GitHub, or portfolio Your hourly rate Availability

Full Booking Platform Development – Cleaning Marketplace

I’m looking for an experienced developer to build a full-functionality booking platform for a UK cleaning marketplace. The website will allow customers to search for and book local cleaners online, while cleaners and cleaning companies manage profiles, availability, bookings, subscriptions, and payments through a secure, scalable system.

Prototype Development for Lingerie-Style Sports Bra

My name is Cecily Roynon-Jones, and I’m in the early development stage of creating a lingerie-inspired sports bra for a small clothing line. I’m new to garment and bra design, so I’m looking for a freelance designer or technical pattern maker who can guide me through prototyping. The bra concept includes: A moulded cup (plant-based / sugarcane-derived – supplier sample pending) A supportive inner layer (e.g. bamboo + elastane) to hold the cup A decorative outer layer (lace or lingerie-style detailing) for a non-traditional sports bra look Adjustable straps, comfortable for light–medium activity At this stage, I’m looking for someone who can: Advise on bra construction and layered pattern development Help create the first working prototype Give insight on feasibility, materials, and technical details Guide me through early-stage design decisions If this is something you can support, I’d love to hear about your experience, availability, and typical process for a small project like this. Thank you so much for your time! Kind regards, Cecily Roynon-Jones

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Skilled WordPress Developer – Immediate Start (Long Term)

We’re a well-established tech company with a close-knit, supportive culture, and we’re looking for a talented and reliable WordPress Developer to jump in immediately for an important upgrade project. In the past, we’ve lost valuable time waiting for developers who couldn’t start right away or didn’t have the right technical depth. So, to be upfront, this opportunity is for someone who’s genuinely ready to hit the ground running and confident in their skills. The Role You’ll take ownership of key upgrades to our WordPress platform, focusing on efficiency, clean code, and clear communication throughout the process. 3 Core Parts to this Task - API Integration: Connect our WordPress platform with a government database API to automatically populate client registration details, helping reduce manual data entry. - Ad Placement: Implement dynamic ad placements within search results that mimic the look and feel of Google Ads-style listings. - Listing Enhancements: Develop a “Bump Listing” feature allowing users to move their posts back to the top of search results. What We’re Looking For - Proven, hands-on experience with WordPress, PHP, and MySQL. - Strong background in API integrations and custom theme/plugin development. - A clear understanding of performance optimization, security, and best coding practices. - A proactive communicator with great attention to detail and a sense of ownership. Key Details Start Date: Immediate - please only apply if you’re ready to begin right away. Engagement: Initial contract with strong potential for long-term collaboration. To confirm you’ve read everything, please include the code NICD2601 in your application. The maximum budget for this is £200 - Do NOT apply if your are over this budget. We value working with people who care about doing things the right way, dependable professionals who take pride in their craft. If that sounds like you, and you’re ready to make an impact from day one, we’d love to hear from you.

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Front-end developer for web-based visualizer for garage doors

We are seeking a skilled front-end developer to craft an innovative, iPad-first web-based visualizer specifically designed for garage doors. This tool will empower users to upload their photos, seamlessly align door overlays, and effortlessly switch between various designs and color options. Essential features include robust authentication for private access and the ability to install the application directly onto the iPad Home Screen. Full ownership of the source code is required, along with evidence of prior experience in developing interactive canvas or image-based web applications. Key Deliverables: • Create an intuitive iPad-first visualizer • Implement secure authentication measures • Develop draggable corner points for precise door alignment • Facilitate instant design and color transitions • Enable users to save rendered images directly to iPad Photos

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Software Development - Digital Auction Platform

We are building a next-generation digital auction platform for high-value collectibles, antiques, fine art, and luxury items. The platform will support live and timed auctions, real-time bidding, multi-currency checkout, seller consignment, user registration with ID verification (KYC), and a secure admin dashboard. It must be scalable, fast, and user-friendly for both auction house admins and bidders around the world. We’re seeking an experienced full-stack development team (or lead developer) to architect and build this system from scratch or integrate with existing API — including auction logic, bidder dashboard, catalogue uploads, admin CMS, and secure payment workflows. Knowledge of modern backend stacks (e.g., Node.js/NestJS, Python/Django), real-time bidding systems (websockets or server-sent events), and API integrations for payments/KYC is essential. The MVP should be production-ready with the ability to expand into a multi-tenant SaaS model in future phases. Looking for talented Developers with proven track record and long term collaboration. Outline your experience, proposed approach in your proposal. Budget is a placeholder for now.

Hire a Business Development Manager

hire a Business Development Manager help with lead generation, partnerships, marketing strategy, or expansion. Growth Manager – Plumbing Services Customer Acquisition Manager Market Development Manager Revenue Growth Manager Go-To-Market Manager (Plumbing)

Client Interview Partner (Long-Term / Permanent Role)

1. About Us We are a US-based software development agency led by Michael, delivering high-quality development services to clients worldwide. We work with a skilled developer team and are now looking for a long-term partner to handle client-facing responsibilities and grow with the company. 2. Role Overview We are seeking a reliable and professional partner who will represent our agency in client interviews and manage ongoing client communications. This is a long-term collaboration with profit-sharing and full transparency. You will work closely with the founder and development team, acting as the main communication bridge between our clients and internal team once projects begin. 3. Key Responsibilities - Client Interviews & Onboarding Attend and conduct interviews with potential clients on behalf of the agency Receive full support and preparation from the founder before interviews Represent the agency professionally and clearly communicate our capabilities - Client Communication & Project Coordination Act as the primary point of contact for clients after contracts are secured Maintain regular communication with clients regarding project progress, updates, and requirements Coordinate with the internal development team to ensure client expectations are met - Account & Platform Management Help manage and operate agency-related accounts such as: LinkedIn (initially using your account; company account will be created as the agency grows) Job platforms (Indeed, ZipRecruiter, etc.) Financial Accounts (Bank, PayPal, Zelle, etc.) Other operational tools as needed Work jointly with the founder using shared systems for full transparency - Transparency & Collaboration Operate under a signed employee/partner agreement All communications, accounts, and payments are handled transparently All financial transactions go through shared and trackable accounts 4. What We Handle - Background checks and client paperwork - Contracts and legal documentation - Developer hiring and task execution - Tax handling and administrative overhead 5. Compensation - 15–20% profit share after tax deduction Typical earnings: $1,000–$1,500 per month, with growth potential as the agency scales - Payments are split immediately after client payments are received 6. Ideal Candidate - US Citizen - Strong English communication skills (verbal and written) - Confident in client-facing interviews and discussions - Professional, trustworthy, and long-term oriented - Comfortable working remotely and collaboratively - Experience in tech, recruitment, or client management is a plus 7. Why Join Us - Long-term partnership opportunity, not a short-term contract - Clear profit-sharing model - Full transparency in operations and finances - Opportunity to grow alongside a scaling software agency

Custom current layout & UI

We are looking for a talented and experienced individual to join our team for a Redesign Current Art Platform. In this role, you will be responsible for revamping and enhancing our existing art platform to improve user experience and functionality. Key Responsibilities: - Redesign the current art platform to enhance the overall user experience - Develop and implement new features and functionalities to improve platform performance - Collaborate with the team to ensure seamless integration of front end and back end development - Utilize HTML5 to create responsive and visually appealing designs - Incorporate UI/UX design principles to optimize user interaction and engagement Required Skills: - Strong background in web, mobile, and software development - Proficiency in front end and back end development - Expertise in HTML5 - Demonstrated experience in UI/UX design - Ability to work collaboratively with a multidisciplinary team If you are passionate about art and technology, and have a keen eye for design and user experience, we encourage you to apply for this exciting opportunity. Join us in redesigning our art platform to create an innovative and engaging experience for our users.

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Unity Developer with Flutter Experience

We are looking for a skilled and reliable Unity Developer with Flutter expertise to join our team for a cross-platform mobile project. The ideal candidate will have strong experience building interactive experiences in Unity (especially 2D/3D games or AR/VR modules), and also be comfortable working with Flutter for mobile app UI and integration tasks. Please contact me urgently

Title: Backend Developer – Data Model & Logic for MVP

Looking for an experienced backend developer to build the core data model and process logic for a web/mobile MVP. The work includes: • Scalable JSON data structures for users, items, and workflows • Backend logic for process handling • API-ready setup for future integration • Clear documentation of data structures and logic Skills Required: • Backend development (Python, Node.js, or similar) • JSON, API, and database schema design • Clean, documented code • Understanding of process logic is a plus

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CAD / CNC Specialist – Tube Slide Pattern Development

We’re looking for an experienced CAD / CNC specialist to work with us on developing accurate cutting patterns for tube slide sections that will be machined on our Mantech CNC flatbed router (specs and machine info attached). This is not a one-off file handover – we’re looking for someone who can work collaboratively with our in-house team via Doncaster, helping us build confidence that our machinery, setup, and workflow are optimised and production-ready. The first project may involve hands on work in Doncaster. The Project We design and manufacture tube slide components that are formed from CNC-cut patterns, primarily using MDF, model board or polystyrene. These parts are then assembled into smooth, continuous slide sections, so accuracy, fit, and repeatability are critical. You’ll help us: - Convert 3D geometry into flattened, CNC-ready cutting patterns - Optimise layouts for material efficiency and clean assembly - Ensure compatibility with our Mantech CNC machine and tooling - Validate tolerances, joints, and seam alignment for real-world fabrication What We’re Looking For - Strong experience in CAD to CNC workflows (Fusion 360, SolidWorks, Rhino, or similar) - Proven understanding of flattening curved or cylindrical geometry into manufacturable patterns - Hands-on knowledge of CNC routing for MDF / model board / sheet materials - Comfortable collaborating via Doncaster or similar technical review platforms - Able to advise on feeds, tooling strategy, and machining best practices What Success Looks Like - Clean, reliable pattern files that cut accurately on our machine - Clear documentation and guidance for our operators - Confidence that our internal team can repeat and scale production independently Nice to Have - Experience with composites, laminated assemblies, or formed sheet structures - Background in play equipment, slides, architectural fabrication, or complex curved assemblies How to Apply Please share: - Examples of similar CAD/CNC pattern or flattening work - Your preferred CAD/CAM software - A brief overview of how you typically collaborate with production teams This is an opportunity to become a long-term technical partner, not just a freelancer on a single task.

Looking for a long-term and full-time virtual assistant

Hi, everyone We are looking for a long-term and full-time virtual assistant who can support developers for a long time. There are many stuffs that developers should do such as email-marketing, job-site bid, lead generations, etc. It's not actually develop, but it's just supporting. No experience is OK, just to see your honest and sincerity. If you are interested, please ping me here and let's go straight to the project. Looking forward

Senior UK .NET Developer – Long-Term System Support + Dev

We are looking for an experienced UK-based senior .NET developer to take long-term ownership of a business-critical CRM & Finance platform. This is not a one-off task. We want a long-term partner who can first familiarise themselves with the system and stabilise it, then provide full ongoing support and further system development. We are actively replacing an existing slow and ineffective support arrangement and are keen to work with someone professional, proactive and reliable. Phase 1 – Initial Audit, Familiarisation & Bug Fixing The first phase will be a paid engagement to: • Set up a full offline / local development environment • Review the codebase, database and overall architecture • Identify and fix priority bugs and long-standing issues • Improve system stability and performance • Produce a short stabilisation and improvement plan This phase allows you to fully understand the platform and demonstrate ownership before moving into long-term support. Phase 2 – Full Ongoing Support & Further Development (Long-Term) After stabilisation, this becomes an ongoing hourly role providing both live system support and further development, including: • Full production support when bugs or system issues arise • Rapid diagnosis and fixing of live problems • Ongoing performance monitoring and optimisation • Enhancements and new feature development • Refactoring and gradual modernisation • Safe testing and controlled deployment into the live environment We expect regular monthly work and a long-term working relationship. Technology Stack • VB.NET and C#.NET (mixed legacy and newer code) • SQL Server Express (stored procedures, LINQ, optimisation) • jQuery, NuGet packages, PDF export module • Hosted on AWS (Windows Server 2019) • Source control in Bitbucket Two tightly integrated applications (CRM + Finance) sharing a central database. Who We’re Looking For This role is only suitable for a senior UK-based developer who: • Has strong experience with C#.NET / VB.NET and SQL Server • Has proven experience supporting live, business-critical systems • Is confident diagnosing and fixing production issues quickly • Is comfortable owning and evolving a complex legacy platform • Communicates clearly and works reliably long-term Experience with AWS / Windows hosting is a strong advantage. Budget & Engagement • Engagement via PeoplePerHour • Hourly rate: £60 – £75 per hour (depending on experience) • Phase 1 expected to be a short initial contract (audit + stabilisation) • Phase 2 is an ongoing hourly support & development role with regular monthly work How to Apply Please include: • Confirmation that you are UK-based • Relevant experience with legacy .NET systems and live production support • Your hourly rate • Availability per week / month • Brief outline of how you would approach the initial audit and stabilisation phase

Needed to Develop Exhibition Song Waltz /Pop Waltz / Electronic

I am looking for an experienced composer or sound designer to refine and expand an original song created in SUNO for an upcoming art exhibition. The piece is a pop waltz / waltz with a strong emotional narrative, exploring the transition from destruction to peace. The song currently runs at 3.23 minutes, and I would like to extend it to around 5 minutes, enhancing its structure and emotional depth. What I need help with Adding a soundscape of an explosion, followed by silence, heard from the perspective of a person (ear-ringing, muffled sound, emotional pause). Designing the transition from silence into the beginning of the waltz. Improving and balancing the instrumentation (electronic + classical elements). Adding and refining voices / vocal layers. Repeating and strengthening the chorus in a meaningful way. Extending the piece naturally to reach approx. 5 minutes without feeling repetitive. Final mix suitable for gallery / exhibition playback. Style & references Waltz / Pop waltz / electronic waltz Emotional, cinematic, immersive Narrative-driven (destruction → silence → rebuilding → life) Suitable for a contemporary art exhibition space Deliverables Final mastered audio file (WAV) Optional stems (preferred) revised version after feedback About the project This work is part of a multi-sensory art exhibition, where sound, scent, and space interact. Sensitivity, restraint, and emotional intelligence are more important than overproduction. Who this is for Composer / producer with experience in film, theatre, exhibitions, or immersive sound Comfortable working with narrative and emotional pacing Able to collaborate and refine existing material (not starting from zero) Please include: A link to relevant audio work Your estimated turnaround time Your fee for this project

Senior Apple Developer for IAP Issues

We are seeking a senior Apple developer to conduct a quick review of our E-Reader application, which is currently experiencing issues with In-App Purchases (IAP). The primary problem is that the app fails to detect IAP products and encounters errors when attempting to retrieve the products list. Your expertise is essential to diagnose and resolve these issues effectively. The app was developed using Reactive Native + Expo. We want you to handle these tasks: Review the existing app code and configuration Identify and fix issues preventing IAP products from being detected or fetched Ensure full integration and proper communication with Apple’s IAP services Verify that the complete purchase flow (fetch, purchase, restore, and database update) functions correctly Prepare and successfully submit the app to the Apple App Store The project will be considered complete when the entire IAP flow (fetch, purchase, restore, database update, etc.) works correctly while retaining all existing functionality, and the app is live on the Apple App Store. Before completion, we expect proof that the IAP flow is fully functional, provided through screenshots, screen recordings, or TestFlight access for verification. After completion, please provide the updated project files along with clear documentation detailing all relevant changes made.

Full-stack web developer (product-focused)

Need a new portal developed so need someone with experience. The portal is basically a merchandise dashboard so clients can see what they have in stock, reorder, ship etc: Multi-tenant portal (each client/org is isolated) Auth + roles (client admin/approver/viewer, internal admin) Inventory + orders data model (Postgres, audit logs) Integrations (shipping labels + tracking, email, payments if needed) Admin dashboard + client dashboard UI

Senior developer who is a U.S. citizen needed.

We are seeking a highly experienced Senior Developer, preferably a U.S. citizen, to join our dynamic team. The ideal candidate will possess extensive expertise in software development, with a strong command of various programming languages and frameworks. Responsibilities include designing and implementing robust solutions, collaborating with cross-functional teams, and mentoring junior developers. A deep understanding of best practices in coding, testing, and deployment is essential. If you are passionate about technology and eager to contribute to innovative projects, we invite you to submit your proposal for consideration.

Project / Task / Agency Traffic Manager

We are a medium sized agency that is in need of a Project / Traffic Manager to manage a recent spike in demand. The candidate would ideally be well versed in ClickUp [project management software] and have experience in the operational management of an agency. The work is fast paced and this role is critical. required immediately, trial contract period. UK preferred. South Africa also accepted [we have staff in both countries].