
Closed
Posted
Paid on delivery
I need a cross-platform developer tool that runs equally well on Windows, macOS, and Linux, delivered either as a VS Code extension or an Electron desktop companion. The solution must install with an offline license key so that teams behind firewalls can activate without an internet check. The build is organised around three clearly defined modules: 1. CodeCleaner • Detect and strip dead code, duplicate blocks, and unused imports. • Reformat to each language’s canonical style. • Language support required: Python and Java (JavaScript may follow later, so keep the architecture open for pluggable language engines). 2. ErrorAnalyzer • Ingest console or build logs, identify stack traces, and correlate them with source files. • Primary priority: produce a concise PDF report that flags root causes and ranks them by severity. • Where possible, append AI-generated fix suggestions in an appendix, but the PDF itself is the must-deliver artefact. 3. AutoTestGen • From inspected code, scaffold unit tests aiming for roughly 80 % branch coverage. • Output frameworks: pytest for Python and JUnit for Java. Core expectations • Written in TypeScript (preferred) or modern JavaScript for tight VS Code API/Electron integration. • Modular service layer so each feature can be invoked from the command palette, a context menu, or a CLI entry point. • Clean architecture: no network calls once the licence is validated; all analysis runs locally. • Packaged installers or VSIX plus a short README and a demo project showing the three features in action. Acceptance criteria • One-click install on Windows, macOS, and Linux. • Running the provided demo project generates a PDF report, removes dead code, and creates unit tests reaching at least 80 % coverage when I execute the included coverage script. • Source, build scripts, and documentation committed to a public Git repository link you will share on hand-off. If you have existing parsers for Python or Java or experience wiring Jest/pytest/JUnit generators into VS Code, you will move fast here. I am happy to clarify edge cases once you have a rough technical outline.
Project ID: 40427447
91 proposals
Remote project
Active 23 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
91 freelancers are bidding on average $7,066 USD for this job

A Warm Hello! We are readily available to start working on this project! Your project is exactly the kind of engineering-heavy developer tooling challenge we enjoy—because it requires more than UI implementation. It demands strong architecture, reliable local execution, language parsing expertise, and clean extensibility for future language support. We also recommend beginning with a short technical discovery phase to validate parser and coverage-generation strategies before full implementation. This is a technically ambitious but highly valuable developer productivity product, and we’d be excited to help build it. Sincerely, Ana
$10,000 USD in 70 days
10.0
10.0

Hi, your tool for analyzing code and logs offline is a great project. I have worked on similar developer tools before. Building this as a VS Code extension or an Electron app using TypeScript is the right choice for cross-platform support. I understand the importance of making sure everything runs locally without network calls. I can build the modular architecture you need for your three main features. For CodeCleaner, I have experience with language parsers to handle dead code and formatting. I will ensure the design allows you to plug in more languages later. For ErrorAnalyzer, I can set up the log parsing to generate the PDF reports directly on the machine. For AutoTestGen, I will focus on generating the pytest and JUnit scaffolds to meet your coverage requirements. I can handle the offline license key logic and the packaging for Windows, macOS, and Linux. I will deliver the full source code and the demo project as requested. For similar work and case studies, feel free to check my profile: https://www.freelancer.com/u/microlent Do you have a preference between a VS Code extension or a standalone Electron app? I am ready to discuss the technical outline when you are. ~ Rajesh
$8,500 USD in 40 days
9.4
9.4

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a Multi-Feature Code Quality Extension that runs seamlessly across Windows, macOS, and also Linux. My background in developing high-security systems for over 1 million users positions me well to tackle the complexity of this project head-on. For strategic insight, ensuring a clean architecture with no network calls post-license validation will be crucial for local analysis. I have successfully built and scaled similar high-performance solutions, proving my capability to handle the intricacies involved in your project. I invite you to connect with me to discuss the roadmap for your Multi-Feature Code Quality Extension. Let's collaborate to bring your vision to life effectively and efficiently.
$8,000 USD in 60 days
8.9
8.9

Hi, this is an interesting developer tooling project and I understand you’re looking for a fully local, cross-platform solution that combines code cleanup, error analysis, and automated test generation into a modular VS Code extension or Electron-based tool. The offline licensing requirement and firewall-safe architecture are especially important, so the system would be designed to work entirely offline after activation. For this build, I’d recommend a TypeScript-based modular architecture with separate engines for CodeCleaner, ErrorAnalyzer, and AutoTestGen, keeping language support extensible for future additions like JavaScript. A few things I’d like to clarify: * Should AI-generated fix suggestions run through a local model or rule-based engine? * Do you already have preferred formatting/parsing libraries for Python/Java? * Would you prefer VS Code-first delivery or a standalone Electron app with optional extension support? Estimated timeline: 6–8 weeks Happy to discuss further. Best, SNR
$6,000 USD in 40 days
9.1
9.1

⭐⭐⭐⭐⭐ Proposal to Valuable Client: CnELIndia offers to build the exact Multi-Feature Code Quality Extension as a TypeScript VS Code extension with offline license key activation. Cross-platform one-click installers for Windows, macOS, Linux; fully local analysis after license validation. CodeCleaner: Detects/strips dead code, duplicates, unused imports; reformats Python/Java (pluggable for future JS). ErrorAnalyzer: Ingests logs, correlates stack traces, outputs concise PDF report ranking root causes by severity; AI fix suggestions in appendix. AutoTestGen: Scaffolds pytest (Python) and JUnit (Java) tests targeting ≥80% branch coverage. Modular service layer accessible via command palette, context menu, and CLI; clean architecture with no post-license network calls. Deliverables: VSIX + installers, full source in public Git repo, README, and demo project proving all three features. How CnELIndia team helps succeed: Day-1 kickoff call to confirm edge cases. Weekly progress demos and Git updates using CI/CD. Expert developers (JS/Python/Java/JUnit/Git) handle implementation and documentation. Full testing against acceptance criteria before handover. 30-day post-delivery support included. Ready to start immediately upon approval.
$7,500 USD in 7 days
9.0
9.0

I am a seasoned developer skilled in TypeScript and JavaScript, with extensive experience in building cross-platform applications for Windows, macOS, and Linux. My background includes creating developer tools and VS Code extensions, ensuring high standards of code quality and user experience. I possess a deep understanding of offline license mechanisms, an asset for environments with strict firewall policies. I have previously worked on tools involving code analysis and transformation, such as detecting dead code and automating code formatting. My experience extends to integrating test generators like Jest and using frameworks such as pytest and JUnit, aligning perfectly with your project's code analysis and test scaffold tasks. I understand the need for clean architecture and can ensure that all functionalities operate seamlessly without requiring network dependencies post-license validation. I am keen to discuss how my skills align with your "Multi-Feature Code Quality Extension" needs. Could you specify any particular challenges you foresee for the ErrorAnalyzer module? I look forward to exploring how I can contribute to your team’s success.
$8,500 USD in 30 days
8.5
8.5

⭐⭐⭐⭐⭐ Create a Cross-Platform Developer Tool for Windows, macOS, and Linux ❇️ Hi My Friend, I hope you're doing well. I reviewed your project requirements and see you are looking for a cross-platform developer tool. You have no need to look any further as Zohaib is here to help you! My team has successfully completed 50+ similar projects for developer tools. I will create a tool that runs smoothly on Windows, macOS, and Linux, ensuring offline license activation for teams behind firewalls. ➡️ Why Me? I can easily build your cross-platform tool as I have 5 years of experience in software development, specializing in TypeScript, Java, and Python. My expertise includes building modular applications, creating PDF reports, and developing testing frameworks. Additionally, I have a strong grip on VS Code API integration and local analysis processes. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing with you in chat. ➡️ Skills & Experience: ✅ TypeScript ✅ JavaScript ✅ Python ✅ Java ✅ VS Code API ✅ Electron ✅ Modular Architecture ✅ PDF Generation ✅ Unit Testing ✅ Error Reporting ✅ Code Analysis ✅ Offline License Management Waiting for your response! Best Regards, Zohaib
$6,000 USD in 2 days
8.1
8.1

Hi there, We’ve developed similar tools that analyze code and generate reports, including a product that extracts CI logs, identifies errors, and suggests fixes. We also built a VS Code extension that integrates with GitHub and Azure DevOps to analyze pull requests and provide feedback on code quality. For your project, we can use existing libraries to extract and analyze logs, and we can implement a CI/CD pipeline to automate the process of running tests and generating reports. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. Best regards, Adil
$8,250 USD in 21 days
7.5
7.5

As an experienced and dedicated developer, I am confident that my skills align perfectly with your project requirements. My proficiency in PHP offers a strong foundation for implementing the multi-feature code quality extension you desire. Not only have I successfully executed numerous web and software projects throughout my 13+ year career, but I have also acquired the expertise to build solutions that are dynamic yet stable, adaptable yet efficient - in essence, exactly what you need. Working with me means partnering with Walking Dreamz Technologies, a team known for producing comprehensive and high-quality solutions built on clear communication, clean code and predictable delivery. With over 300 projects completed and 99% positive reviews, we understand the importance of delivering results that exceed expectations. We recognize the significance of tight VS Code API/Electron integration and understand the need for offline activatable licences to accommodate teams working behind firewalls. Additionally, our deep expertise in MERN stack would ensure seamless implementation of your cross-platform tool on Windows, macOS, and Linux systems. Finally, through our pragmatic approach we plan to ensure product scalability and extensibility to meet future challenges or additional languages you may incorporate like JavaScript. So think stable today, think easy to extend tomorrow - think Kishore K.!
$5,500 USD in 7 days
7.7
7.7

CROSS-PLATFORM OFFLINE VS CODE / ELECTRON DEVELOPER TOOL FOR CODE ANALYSIS, DEBUGGING & AUTO TEST GENERATION I bring 12+ years of experience in TypeScript, VS Code extensions, Electron apps, and enterprise-grade developer tooling with AST-based code analysis and automation systems. APPROACH: I will build a modular offline-first architecture (TypeScript) deployable as a VSIX extension and/or Electron app, fully compatible with Windows, macOS, and Linux. After offline license activation, the system runs 100% locally with no external dependencies. CORE MODULES: CODECLEANER AST-based detection of dead code, duplicates, unused imports Language support: Python + Java (extensible plugin engine for future JS support Auto formatting using language-native standard ERRORANALYZER Parses logs and stack traces, maps errors to source code Generates severity-ranked root cause analysis utputs structured PDF report (primary deliverable) Optional appendix with rule-based fix suggestions AUTOTESTGEN Generates unit tests from code structure Python: pytest | Java: JUnit Targets ~80% branch coverage using static analysis heuristics ARCHITECTURE: Clean modular service layer (each module independently callable via CLI, command palette, or context menu) VS Code API + optional Electron wrapper Fully offline execution after license key validation Plugin-ready design for future language engines Thanks
$5,000 USD in 25 days
7.4
7.4

Hello, I have 10+ years of experience building cross-platform developer tools, VS Code extensions, Electron apps, and AI-assisted code analysis systems using TypeScript, Node.js, Python, and Java tooling. I can develop your offline-license-enabled tool with all three required modules: ✔ CodeCleaner for Python/Java dead-code cleanup & formatting ✔ ErrorAnalyzer with stack-trace parsing and PDF report generation ✔ AutoTestGen for pytest/JUnit scaffolding targeting 80%+ coverage What I will deliver: ✔ VS Code extension or Electron desktop app ✔ Offline license-key activation system ✔ Modular architecture with CLI + command palette support ✔ Cross-platform support (Windows/macOS/Linux) ✔ Local-only processing with no external network dependency ✔ Clean documentation, build scripts, demo project & public Git repo I focus on scalable architecture, performance, and maintainable code with production-ready delivery. Ready to start immediately with milestone-based progress updates. Best Regards
$6,000 USD in 7 days
7.0
7.0

Hello, the project’s multi-module architecture for cross-platform code quality tooling aligns with challenges I’ve tackled in modular system design and code analysis. The main engineering risk lies in orchestrating local analysis and offline licensing across multiple OS environments without network dependencies. I usually structure such systems by separating core analysis engines from UI integration layers, ensuring modularity and ease of extension. This approach simplifies adding new language support and feature invocation via multiple entry points. My experience with Python Bug Localization Using Transformer Models shows proficiency in deep code inspection and confidence scoring, which is crucial for the CodeCleaner and ErrorAnalyzer modules. I approach reliability by enforcing strict local execution, embedding evaluation logic, and designing fallback mechanisms for license validation to maintain uninterrupted functionality. Systems I design are production-ready with maintainability and clear documentation prioritized for long-term use. I can start by outlining the modular service architecture, mapping feature invocation flows, and reviewing integration strategies for offline license enforcement. Hercules
$8,000 USD in 30 days
6.9
6.9

Hi, I have gone through your project description and understand you’re looking to build a cross-platform code quality tool as a VS Code extension or Electron app with offline licensing, code cleanup, error analysis, and automated test generation features. I have worked on TypeScript and Electron-based developer tools, including static analysis workflows, log parsing, code transformation utilities, and automation systems for Python and Java projects. For this, I would build a modular architecture where CodeCleaner, ErrorAnalyzer, and AutoTestGen work independently but share a common local analysis engine. The tool would support offline license activation, generate PDF reports from logs, and create pytest/JUnit test scaffolding with clean VS Code or Electron integration across Windows, macOS, and Linux. Best regards, Juan
$5,000 USD in 7 days
5.8
5.8

Your project’s scope is clear, and the offline license requirement along with multi-OS support is something I have tackled before when delivering developer tools inside strict firewall environments. For the CodeCleaner module, I suggest reusing and adapting existing open-source parsers for Python and Java to speed up detection of dead code and unused imports, while designing the architecture to plug in JavaScript later without major rewrites. For ErrorAnalyzer, have you considered how you want stack trace correlation handled—line numbers vs symbol resolution? This choice impacts the PDF report accuracy. Generating AI-assisted fix suggestions offline can be tricky, so focusing on clear root cause detection first makes sense. For AutoTestGen, I recommend starting with coverage analysis hooks from pytest and JUnit itself to guide scaffolded test generation. I’d modularize the service layer carefully to expose features via VS Code command palette, right-click menus, and CLI. Packaging installers with a demo and a concise README is straightforward once the core features are stable. I’m ready to map out a technical outline with simple MVP goals and get started on the demo project build. Let’s clarify any edge cases you want prioritized.
$7,500 USD in 7 days
6.0
6.0

Hi, Your cross-platform developer tool is a strong fit for my experience with TypeScript, VS Code extensions, Electron, Python and Java tooling, CLI workflows, and local-first developer utilities. I can build the tool with a modular service layer so CodeCleaner, ErrorAnalyzer, and AutoTestGen can be launched from the command palette, context menu, or CLI. The architecture can support Python and Java first while keeping JavaScript or other language engines pluggable later. For CodeCleaner, I can integrate local analysis for unused imports, duplicate/dead code detection, and formatting. For ErrorAnalyzer, I can parse logs, detect stack traces, map issues to source files, rank severity, and generate a concise PDF report with optional AI-style suggestions in an appendix. For AutoTestGen, I can scaffold pytest and JUnit tests with coverage scripts targeting your 80 percent goal on the demo project. I’ll also handle offline license activation, cross-platform packaging, README documentation, demo project, build scripts, and public repository handoff. Best, Justin
$5,000 USD in 7 days
5.8
5.8

Hello, I understand you're looking for a cross-platform code quality extension or Electron app with CodeCleaner, ErrorAnalyzer, and AutoTestGen modules, activated via an offline license. This aligns well with my expertise in building robust developer tools. I'm Taiwo, a UK-based Senior Software Developer with 10 years of experience and a Master’s in Cyber Security. My experience includes developing backend systems for IBM, UK Government, BMW, and Sky. I can ensure your tool prioritises security, reliability, and maintainability. I also have an eye for great UI/UX design. I propose developing the tool using TypeScript with a modular architecture for command palette, context menu, and CLI access. I will leverage my experience with parsers and test generators to deliver the core functionality with offline license validation and installer packaging for Windows, macOS, and Linux. My past project IMS Team improved collaboration and workflow efficiency. Key aspects I'll focus on include a clean architecture, local analysis, and meeting the acceptance criteria with the demo project. If my approach resonates with your vision, I am available to discuss a more detailed technical outline and begin immediately.
$7,500 USD in 76 days
5.8
5.8

Hello, I will use typescript as the core language with a modular architecture designed for both vs code extension and electron desktop support so the same codebase can run across windows, macos, and linux. the system will be split into three independent services where codecleaner uses abstract syntax tree parsing for python and java to detect unused imports, duplicate logic, and dead code, then applies language specific formatting rules for cleanup. erroranalyzer will parse build logs and stack traces, map them back to source files, and generate structured reports exported as pdf using a local pdf generation engine, with severity ranking and optional ai based fix suggestions added as annotations. autotestgen will scan source files and generate unit test templates using pytest for python and junit for java targeting branch coverage goals around 80 percent. all modules will be exposed through command palette actions, context menus, and a cli interface using a shared service layer. licensing will be handled offline using encrypted key validation stored locally without any network dependency after activation. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$7,500 USD in 7 days
5.6
5.6

With 8 years of multifaceted experience in Full-Stack & Mobile App & CRM and with my expertise in creating AI-powered features, I assure to bring a unique perspective to your project that can transform weeks of work into a click away task. My exposure to the latest frontend frameworks like React, Angular, and backend development in Node.js, Python/Django gives me the edge in building a tightly integrated system like the one you describe. Given my time deploying AI-based NLP and parser solutions, I am confident I can meet all your requirements especially integrating Jest/pytest/JUnit generators into VS Code. Having successfully delivered projects across industries and domains, I intimately understand the need for clean, maintainable code and cannot emphasize enough my unwavering commitment to deliver projects on time. Having worked on cloud-native architecture, my final delivery will meet your requirement of having no network calls once the license is validated ensuring locally run analysis while also providing packaged installers or VSIX along with a short README. With my extensive experience working with digital platforms that require security across multiple operating systems like yours (Windows, MacOS, Linux), I understand the need for offline license activation. I can ensure this functionality so that firewall usage teams won't face any hindrances in activating. So let's get cracking!
$7,500 USD in 7 days
5.4
5.4

Hi, With strong experience in cross-platform development, DevOps, and modern JavaScript/TypeScript, we can build your VS Code/Electron tool with clean, scalable architecture. We can efficiently develop the CodeCleaner, ErrorAnalyzer, and AutoTestGen modules with modular service layers and support for Windows, macOS, and Linux. Our team also has solid experience with Python, Java, Jest, pytest, and JUnit integrations. You’ll receive clean source code, packaged installers/VSIX builds, and proper documentation ready for public deployment. Let’s build a powerful and developer-friendly tool together Regards, Dhanu Innovations Pvt. Ltd.
$7,500 USD in 7 days
5.4
5.4

Hi there! I recently developed a high-performance static analysis engine for a multi-platform suite, and your project for a cross-platform code quality extension aligns perfectly with my background in building low-latency developer tools. Ensuring seamless execution across Windows, macOS, and Linux requires a deep understanding of environment-specific file systems to keep the tool lightweight. My approach focuses on a robust, non-intrusive experience that empowers developers to maintain high standards without slowing down their local environment or CI/CD pipelines. I propose using a modular TypeScript core or a Rust engine if raw speed is the priority, ensuring high-performance AST (Abstract Syntax Tree) analysis over simple regex patterns. By leveraging GitHub Actions, I will implement a pipeline that automatically packages the extension for all target platforms, ensuring zero parity issues between OS versions. The architecture will follow a "plugin-first" design, allowing for the easy addition of new linting rules or security checks as requirements evolve. I will also optimize the logging components to ensure errors are caught without compromising system performance. Does your roadmap focus on a specific IDE like VS Code, or are you looking for a standalone CLI tool that integrates globally? Additionally, are there specific language ecosystems or proprietary coding standards you need to enforce immediately? I’m ready to discuss how we can architect this for maximum scalability and would be happy to hop on a quick call to refine the technical specs. Let’s connect to build a tool that significantly elevates your team's code quality.
$8,550 USD in 21 days
5.0
5.0

Ben Arous, Tunisia
Member since Jul 9, 2025
$30-250 USD
$3000-5000 USD
$250-750 USD
$250-750 USD
$750-1500 USD
₹37500-75000 INR
$250-750 USD
$15-25 USD / hour
£250-750 GBP
$25-50 USD / hour
$250-750 USD
$250-750 USD
$30-250 USD
₹1500-12500 INR
$30-250 USD
₹750-1250 INR / hour
₹600-1500 INR
₹1500-12500 INR
$10-30 USD
₹600-1500 INR
₹1500-12500 INR
$250-750 USD