Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

从263,605个评价中,客户给我们的 Software Developers 打了4.9,共5星。
雇佣 Software Developers

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

从263,605个评价中,客户给我们的 Software Developers 打了4.9,共5星。
雇佣 Software Developers

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    131 找到工作

    Web3 Project Manager / Community & Marketing Manager (Full-Time Remote) We are looking for an experienced **Web3 Project Manager** who can also lead **Community Management** and **Marketing** for a token project **BNB Chain**. This is a long-term, full-time remote role. The ideal candidate has successfully managed Web3 projects from development through launch and has experience growing and managing crypto communities. Responsibilities * Manage the software development team and project milestones. * Review deliverables against technical specifications before approval. * Coordinate testing, deployment, and launch activities. * Build and manage the platform's native community. * Plan and execute marketing campaigns. * Manage social media, partnerships, newsletters, and community ...

    $19 / hr Average bid
    $19 / hr 平均报价
    33 个竞标

    I already have a fully working handicapping routine for horse racing that I pieced together with Copilot, plus an older sample application that shows the exact flow and screens I want. What’s missing is a clean Windows-ready .exe so I can run the program (and share it with a few friends) without installing a full development environment. Here’s the current state: • All source files are ready to hand over, neatly commented. • Copilot can regenerate any individual factor or module on demand, so if you prefer rebuilding specific parts, that’s available. • I’m still deciding between a lightweight command-line tool and a simple GUI; I’d welcome your advice on which will compile most reliably and be easiest to maintain. Your role: 1. Review the exis...

    $4122 Average bid
    $4122 平均报价
    128 个竞标

    Je recherche un développeur à l’aise avec Python et Base44 pour créer une application de gestion dédiée à une compagnie de construction. L’objectif principal est d’automatiser le suivi des projets. L’application devra : • Intégrer une planification détaillée des tâches pour chaque chantier. • Générer des rapports de progression clairs et exportables. Nous sommes de plus à la recherche de personnes étant alaise avec la communication en Français. afin de temps en temps venir créer des réunion afin de bien mettre les étapes en ordre ainsi qu'avoir une communication optimal pour le travail ainsi qu'avoir une meilleure...

    $331 Average bid
    $331 平均报价
    94 个竞标

    I’m organising a technical training programme for undergraduate computer-science students and need a data-structures instructor who has already graduated (class of 2023 or earlier). The engagement is fully in-person on campus, with each session running 4-6 hours, so you should be comfortable managing a classroom-style environment and pacing material for longer blocks. Job location- Puunjab INDIA The goal is to balance theory with hands-on coding; students should leave each module able to implement and analyse the relevant structure in at least one mainstream language (Java as long as it stays consistent). Deliverables • Detailed syllabus and slide deck for every topic • Live coding demos and lab exercises with solutions • Short quizzes or problem sets to ass...

    $1149 Average bid
    $1149 平均报价
    17 个竞标

    I need a comprehensive business operating platform, specifically tailored for complete pipeline yard stock management. This platform should serve as the single source of truth, seamlessly tracking everything from sales to workshop logistics and field operations. Core Requirements: - One source of truth system - Complete pipeline yard stock management tools - Tracking from sales through workshop logistics to field operations Ideal Skills and Experience: - Expertise in developing visual operating platforms - Strong background in inventory and supply chain management systems - Experience with detailed project proposals Please include detailed project proposals in your application.

    $415 Average bid
    $415 平均报价
    193 个竞标

    I am preparing an e-invoice extension for the Zoho Books, Xero, and QuickBooks marketplaces and need a developer who can take the project from concept to approved listing. The core purpose is to let our users create invoices automatically and have taxes calculated correctly every time, no matter which of the three ecosystems they work in. Key scope • Platforms: Zoho Books, Xero, QuickBooks • Functions: automated invoice generation and precise tax calculation • User access: Administrators, Accountants, and Sales Team must each see only the controls relevant to their role. Technical expectations The add-on should rely on each platform’s official SDK or REST API, respect rate limits, and follow their branding and security guidelines so that it passes marketplace rev...

    $454 Average bid
    $454 平均报价
    135 个竞标

    Project: Compatibility Matrix Calculator I already have a completed Personal Matrix calculator with formulas, design, and source files. Now I need to build a second calculator: Compatibility Matrix. The goal is to create a new Compatibility Matrix tool based on two birth dates, using my formulas and the same visual/design style as the existing Personal Matrix. What I will provide: * Existing Personal Matrix calculator files * Existing formulas and logic * Design references * Visual structure of the first matrix * Compatibility Matrix formulas * Examples of correct calculations Scope of work: 1. Create a Compatibility Matrix calculator 2. Add two date-of-birth inputs: * Person 1 * Person 2 3. Apply the compatibility formulas I provide 4. Generate the full Compatibility Matrix ...

    $99 Average bid
    $99 平均报价
    188 个竞标

    About Project We have an existing Laravel-based matrimony website. We need a simple, secure and stable CRM module integrated with our website to manage registrations, employee follow-ups and assisted matchmaking reminders. The goal is to remove manual Excel/diary work and create a proper tracking system. Required Modules 1. Employee Login System Roles: Super Admin (Owner) Full access: View all registrations View all employees' work View reports Change lead ownership Manage assisted members View matchmaking history Employee Login Employee can see only: Assigned leads Follow-ups Notes Customer status Employee cannot see other employees' leads. 2. Automatic Registration Distribution All new website registrations should automatically come into CRM. System should distribute registrati...

    $91 Average bid
    $91 平均报价
    73 个竞标

    use una aplicación que corre exclusivamente en Windows y necesito aplicar ingeniería inversa para introducir mejoras concretas: deseo optimizar su rendimiento y, al mismo tiempo, pulir la experiencia de uso sin alterar la lógica de negocio que ya funciona. no es un sofware mio, si no un sofware que pague por un mes para mi uso. A partir de ahí espero que analices su estructura —desensamblado, mapeo de dependencias, obtención de código legible— para localizar cuellos de botella y simplificar los flujos de interacción con el usuario. Herramientas como Ghidra, IDA Pro o similares son bienvenidas siempre que el resultado sea un proyecto mantenible y comentado. Acepto sugerencias adicionales mientras se respete la compatibilidad...

    $419 Average bid
    $419 平均报价
    40 个竞标

    I need a MATLAB-based GUI that runs on Windows and turns data workflows into a clean point-and-click experience. The application’s core goals are simple: let users bring data in, explore it interactively, and keep their project files organised in one place. Functionality • Data input and display – accept common formats (CSV, MAT, TXT) and show tables or plots instantly. • Interactive graphics – zoom, pan, cursors, and basic annotation so users can interrogate their data visually. • File management – open, save, create new sessions, and overwrite files safely from within the interface. Technical notes – MATLAB on Windows is the target environment; code written in App Designer or programmatic UIFigure is fine so long as it installs and l...

    $5 / hr Average bid
    $5 / hr 平均报价
    21 个竞标

    I'm seeking an experienced AI software developer to create an automation tool specifically for recruitment agencies. The software should help automate data entry, streamline workflow processes, and assist in decision-making tasks. Key Requirements: - Design and develop AI algorithms to automate various recruitment tasks - User-friendly interface for easy navigation - Integration with existing recruitment software and databases - Robust data security measures Ideal Skills and Experience: - Proven experience in AI and machine learning - Strong background in software development - Familiarity with recruitment processes and tools - Excellent problem-solving skills and attention to detail Looking for a freelancer who can deliver a high-quality, efficient, and reliable AI automation tool...

    $49 / hr Average bid
    $49 / hr 平均报价
    247 个竞标

    I need a complete dashboard built in Mitsubishi GraphWorX that streams real-time data from our controllers. The screen should feel modern and intuitive while remaining production-floor friendly. The interface will be a single Dashboard view populated with: • Graphs and charts • Indicators and gauges • Data tables I will supply the tag list and data source details; you handle the screen layout, bindings, and any scripting required inside GraphWorX. Please organise objects with clear naming conventions so future edits are straightforward, and optimise refresh rates to keep latency low without overloading the PLC or network. Deliverables • GraphWorX project file (.gwx) with all assets embedded • Any external script files if used • A brief hand-off no...

    $97 Average bid
    $97 平均报价
    8 个竞标
    Restore Preview and Tab Integration
    22 小时 left
    已验证

    My Avalonia-based IDE (C# / .NET 10) used to show a real-time XAML Previewer for every .axaml file. After introducing a TabControl the preview vanished, and .axaml files now open with no preview at all. I also have a separate CodeEdit window that still pops up in its own top-level window; I want that editor to appear as another tab inside the existing MainWindow instead, using the framework’s standard tab styling—no fancy visuals, just the normal look. What I need you to do is dive into the current codebase, locate whatever broke when the TabControl was added, and wire the XAML Previewer back in so the live view refreshes exactly as it did before. While you are in there, refactor the CodeEdit window so that opening a .cs file adds a new tab within the same MainWindow instance,...

    $56 Average bid
    $56 平均报价
    47 个竞标
    SaaS Finprop.co.uk
    21 小时 left

    Hi, I need a simple working SaaS MVP built for a finance broker lead and CRM platform. Please no time wasting serious developers only that don’t need explanation for everything and can follow the instructions below ‘apologies to any great developers’ for delays on response. I am new to this space. Budget: £500 fixed price. Payment: 4 stages of £125. Timeline: 5 working days per stage. Total timeline: 20 working days. I am also happy to pay an extra £100 bonus on full completion, but only if I am fully satisfied with the final working platform, handover, communication, and effort. No upfront payment. Each stage must be completed, tested, and approved before the next £125 payment is released. I must own 100% of: * Source code * Database * IP *...

    $627 Average bid
    $627 平均报价
    218 个竞标

    I’m seeking an independent recruiter with a strong network in the technology sector to help me secure top-tier candidates for three immediate openings: Software Developer, Data Scientist and IT Support Specialist. You’ll take full ownership of the hiring funnel—from crafting an engaging job post through to final offer negotiation—so I can stay focused on product delivery while you deliver the talent. My expectation is a proactive search strategy that mixes LinkedIn Recruiter, GitHub, Stack Overflow and relevant tech meet-ups or communities. I’d like to see evidence of thoughtful sourcing, rigorous screening and the ability to present candidates who not only match the hard skills but also demonstrate solid communication and problem-solving abilities. Delivera...

    $294 Average bid
    $294 平均报价
    15 个竞标
    Android 9-17 Build Engineer
    20 小时 left
    已验证

    I need a seasoned build engineer to take our Android 9 through 17 source tree and make sure every version compiles cleanly on Linux. You will audit the current Gradle/CMake tool-chain, validate the resulting binaries, trace and eliminate compiler or linker errors, and create any missing software objects required for a reproducible build. The whole process must run head-to-toe on a Linux workstation against a vanilla kernel, so familiarity with GCC, Clang, CMake, and niche tools such as QVC is essential. While the primary target is Linux, experience juggling cross-platform compilers for macOS, iOS, or Windows will help you diagnose edge-case symbols that occasionally creep in. Deliverables • A one-click script (or documented command set) that produces verified Android 9–17 imag...

    $26 Average bid
    $26 平均报价
    57 个竞标

    Cuento con una aplicación de gestión escrita en Visual Basic 5 que trabaja sobre una base de datos Access 97. Quiero modernizarla sin perder funcionalidad, añadiendo de forma prioritaria la facturación electrónica que será obligatoria en 2027. La actualización también debe incluir un módulo de correo electrónico completamente integrado. Necesito que permita: • Enviar recibos y facturas directamente desde la aplicación. • Gestionar boletines informativos a los clientes. • Adjuntar archivos de cualquier tipo (PDF, XLS, imágenes, etc.). Una vez cubierta la parte de e-mail, quiero habilitar el envío de notificaciones mediante la API de WhatsApp Business, con plantillas editables y...

    $2414 Average bid
    $2414 平均报价
    75 个竞标

    We're looking for an experienced IT developer based in Europe to join scheduled client/job-search meetings as a caller. This role is ideal for someone with a strong technical background who is comfortable speaking confidently on calls and representing technical expertise clearly. Responsibilities: Attend scheduled meetings on time, according to the agreed calendar Communicate clearly and professionally during calls Represent relevant IT/development experience and knowledge when discussing technical topics Requirements: Must be based in Europe (for timezone alignment) IT development experience (any relevant tech stack) Strong spoken English with clear pronunciation Professional, clear phone presence Reliable high-speed internet connection Quiet, distraction-free work environment for...

    $30 / hr Average bid
    $30 / hr 平均报价
    32 个竞标

    We're looking for an experienced IT developer based in Europe to join scheduled client/job-search meetings as a caller. This role is ideal for someone with a strong technical background who is comfortable speaking confidently on calls and representing technical expertise clearly. Responsibilities: Attend scheduled meetings on time, according to the agreed calendar Communicate clearly and professionally during calls Represent relevant IT/development experience and knowledge when discussing technical topics Requirements: Must be based in Europe (for timezone alignment) IT development experience (any relevant tech stack) Strong spoken English with clear pronunciation Professional, clear phone presence Reliable high-speed internet connection Quiet, distraction-free work environment for...

    $32 / hr Average bid
    $32 / hr 平均报价
    17 个竞标

    I need a Random Access Generator built that focuses solely on strings rather than numbers or custom objects. The generator must output alphabetic strings—no digits, no hex characters. At runtime I want to be able to: • Specify the desired string length (single character up to a user-defined maximum). • Decide whether the output should be uppercase-only, lowercase-only, or a mix (I did not lock this choice in yet, so please leave it configurable). • Request single strings or batches and receive them instantly without noticeable lag. Implementation details I care about: • A clean, well-documented core function or class in Python, JavaScript, or another mainstream language you propose. • A simple test script or UI snippet that shows the generator p...

    $55 Average bid
    $55 平均报价
    41 个竞标

    I have a microcontroller-based board that will sit in the field and quietly record temperature readings from one or more digital sensors. Your job is to write the embedded firmware that pulls those readings at set intervals, time-stamps them, and stores everything persistently in a neat, easily downloadable file (CSV or similar). Core needs • Reliable polling of the attached temperature sensors (currently using a standard one-wire digital device, but code should be abstract enough to swap to I²C if required later). • Configurable sample rate—default 1 Hz but changeable over a simple serial menu or compile-time constant. • Local, non-volatile storage on the board’s microSD slot; automatic file rollover when a maximum size is reached so nothing is eve...

    $238 Average bid
    $238 平均报价
    41 个竞标

    Estoy desarrollando un prototipo IoT de bajo consumo para un vertedor inteligente de bebidas y busco un ingeniero embedded/freelance con experiencia práctica en Nordic Semiconductor nRF52 y Bluetooth Low Energy. El objetivo del prototipo es detectar cada servido de una botella mediante un reed switch activado por un imán colocado en la tapita abatible del vertedor. Cada vez que el reed switch se active, el microcontrolador debe enviar automáticamente un evento BLE con un ID único del vertedor hacia un dongle nRF52840 PCA10059 conectado a una computadora, que funcionará como hub/receptor. No busco una empresa grande ni una solución sobredimensionada. Busco un especialista técnico que pueda llevar el prototipo a una prueba funcional, documen...

    $643 Average bid
    $643 平均报价
    38 个竞标

    Saya membutuhkan artikel bertema teknologi yang disusun secara resmi dan teknis—bukan tulisan santai atau sekadar opini. Fokusnya pada tren, inovasi, atau ulasan produk/riset terbaru di bidang IT, AI, perangkat lunak, maupun jaringan. Lingkup pekerjaan: • Setiap artikel 800–1.200 kata, bahasa Indonesia baku. • Struktur lengkap: pembuka ringkas, penjelasan konsep utama, data/fakta terverifikasi, dan kesimpulan bernuansa profesional. • Sertakan minimal dua sumber kredibel (jurnal, white-paper, atau situs teknologi terkemuka) dengan tautan aktif. • Hindari plagiarisme; tulisan harus orisinal dan lolos pemeriksaan Turnitin/Copyscape. • Penyerahan dalam format Google Docs atau Word dengan heading teratur (H2, H3) agar mudah di‐publikasikan. Kriteri...

    $453 Average bid
    $453 平均报价
    7 个竞标
    Firebase Auth & Security Upgrade
    16 小时 left
    已验证

    My Firebase project has hit a wall with Google’s latest security review. The hold-up is entirely on the authentication side. At the moment the app signs users in exclusively through Google (social login), and the platform is flagging gaps that must be closed before it will allow a new release. Here is what I need from you: • Inspect the existing authentication code and console settings, identifying every item that violates Google’s current security checklist for Firebase projects. • Replace code with newly written code. • Bring the implementation up to full OAuth 2.0 compliance, add any multi-factor or encryption measures Google now enforces, and confirm all Firebase Authentication rules match best practice. • Verify the fixes in both the codebase and...

    $34 Average bid
    $34 平均报价
    95 个竞标

    I’m looking to have a focused business-management solution built—specifically, an inventory-management module. The application should let me: • Add, edit, and archive products • Track in-stock levels in real time • Generate low-stock alerts and simple reorder reports • Export basic summaries to CSV or Excel The initial phase is limited to inventory management only, yet I’d like the codebase structured so additional components—such as CRM or financial reporting—can plug in later without major rework. Please use mainstream, well-supported technologies and include clear setup documentation so I can run the system on a standard cloud VPS. Deliverables: 1. Source code in a public or private repository 2. Database schema with seed da...

    $508 Average bid
    $508 平均报价
    189 个竞标

    Looking for a Long-Term Technical Interview Coach / Engineering Mentor I’m looking to collaborate long-term with a highly skilled senior software engineer who can support me in preparing for software engineering opportunities on LinkedIn and other platforms. What I’m looking for: A senior-level engineer with strong hands-on experience in modern software development, including frontend, backend, cloud infrastructure, live coding, system design, and technical communication. The ideal person should be able to help with: Technical interview preparation Live coding practice and feedback System design coaching Deep technical discussion practice Mock interviews and performance improvement Guidance on modern engineering best practices Long-term career and job-search strategy Requir...

    $52 / hr Average bid
    $52 / hr 平均报价
    41 个竞标
    N8N Workflow Middleware Bug Fix
    5 小时 left
    已验证

    My N8N-based virtual agent is throwing workflow errors. The problem surfaces in the middleware logic and manifests as the trigger firing multiple times when it should execute only once per event. I need the root cause identified, the flow corrected, and a brief explanation of what was changed so I can maintain it going forward. You’ll have access to the current .json export and, if helpful, a short Loom walkthrough that shows the mis-behaviour in real time. Please use the built-in N8N debugger and any Node.js or TypeScript tools you find convenient—just keep the final solution confined to the N8N environment so I can import it back without extra dependencies. Deliverables: • Cleaned-up workflow file(s) with the middleware logic fixed • Confirmation that the trigge...

    $132 Average bid
    $132 平均报价
    213 个竞标

    I need a clean, repeatable GitHub Actions workflow that takes any StatefulSet YAML I push to a specific branch and promotes it straight into my OpenShift cluster. The steps are already mapped out in my head—checkout, install oc, login with a token, run oc apply—yet I want this formalised in a single .yml file committed to .github/workflows. Before the deployment phase the pipeline must execute a lightweight unit-test stage. I do not mind which framework you pick; the only requirement is that tests run, fail the build if necessary, and surface results in the Actions summary so I can see a green or red badge at a glance. Deliverable: • A GitHub Actions workflow file that: – triggers on push to the chosen branch – installs and caches the OpenShift CLI ...

    $130 Average bid
    $130 平均报价
    120 个竞标

    Software Requirements Specification (SRS) THE FRESH CHICKEN HOUSE (TFC) WhatsApp Ordering & Order Management System Version: 1.0 Prepared by: Yatish Gowda Project: THE FRESH CHICKEN HOUSE (TFC) --- 1. Project Overview THE FRESH CHICKEN HOUSE (TFC) is building a premium fresh chicken retail and hyperlocal delivery platform. The objective is to develop a WhatsApp-based ordering system that allows customers to place an order in under 2 minutes, while automatically collecting all required information and reducing manual work. The system should be simple, fast, user-friendly, and scalable. --- 2. Business Goals Reduce order-taking time Eliminate order mistakes Improve customer experience Automate order management Increase repeat customers Prepare the business for multiple ...

    $293 Average bid
    $293 平均报价
    48 个竞标

    I'm looking to build a versatile online marketplace platform (a responsive website that works well on phones and computers), similar to platforms like Airtasker, Uber, or Didi but focused on transporting goods, cars, motorcycles, furniture, and general freight. It connects customers who need something moved with independent drivers who bid on the work. Key requirements: - Simple, trustworthy experience for customers: Easy job posting, clear updates, and a sense of security for their items. - Smooth bidding flow: Customers post jobs with budgets; drivers bid; customers choose. The process should feel seamless for both sides. - Driver onboarding and verification: Straightforward licence and insurance upload with admin approval. - Escrow payments: Funds held securely until job completi...

    $26 / hr Average bid
    $26 / hr 平均报价
    214 个竞标
    Windows Desktop App Upgrade
    结束于 left
    已验证

    I’m ready to release the next version of my Windows-based desktop application and need a developer who can take the current build, incorporate the planned feature updates, and package a clean, fully-tested installer. You’ll receive the existing source code, UI mock-ups for the new screens, and a concise change log outlining bug fixes and enhancements. Key goals • Refactor and extend the present code so the new functionality feels native, not bolted on. • Maintain compatibility with Windows 10 and 11. • Produce an installer that supports silent and standard setups. Once you have everything running smoothly on a staging machine, I’d like a brief hand-off session covering what changed, how to compile, and how to push future hotfixes. If you have so...

    $194 Average bid
    $194 平均报价
    163 个竞标

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