Hire the Best Debuggers

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Rating is 4.8 out of 5.
4.8/5
Based on 207 client reviews
Bilal B.

Algiers, Algeria

$3/hr
5.0
28 jobs

TLDR: Check reviews ! :) portfolio: bilalbelli.eu ๐Ÿ‘ˆ Iโ€™m an experienced Software Engineer (with diploma) and Developer (not a vibe coder ! i understand and i can do everything) specializing in Python, Java, Javascript, Typescript, and modern Web technologies (Angular, Spring Boot, Node.js, Flask, Wordpress, Bootstrap, Next.js, Nuxt.js, Electron.js), and I also provide tutoring and mentoring in programming and computer science topics. I hold a strong Computer Science and Systems Engineering background, with solid experience in software development, backend & frontend engineering, system design, machine learning (AI, ML, DL, Agents) and applied problem-solving. I enjoy tackling non-standard and real-world problems, covering application design, algorithmic thinking, system architecture, and production-ready implementations, from initial analysis to clean, documented, and maintainable code. I regularly work on full-stack engineering problems, including: - Coding, - Documentation, - Manual Creation, - Scientific & Technical Writing, - Tutoring, I have hands-on experience with a wide range of technologies and tools, including Python, Java, C, JavaScript, TypeScript, HTML, CSS, SQL, and frameworks such as Spring Boot, Node.js, Flask, Electron, and Angular. I also work with relational databases (PostgreSQL, MySQL, SQL Server), and modern DevOps & infrastructure tools like Git, Docker, Jenkins, Ansible, Jira, as well as Linux environments and networking solutions (Nginx, HAProxy, DNS, virtualization). Iโ€™m comfortable learning and adapting to new technologies quickly, and my broad technical foundation allows me to switch tools and frameworks efficiently to best fit project requirements. Why hiring me ? because i provide a high quality job and get the job done real quick !

  • API Integration
  • API
  • Automation
  • Web Application
  • Web Development
  • RESTful API
  • Node.js
  • MongoDB
  • Java
  • Git
  • Linux
  • AI Development
  • Python
  • JavaScript
  • HTML
  • Tailwind CSS
  • PostgreSQL
  • MySQL
  • Web Scraping
  • TypeScript
Berhanu Tarekegn M.

Addis Ababa, Ethiopia

$17/hr
4.9
7 jobs

Kubernetes-focused Software/DevOps Engineer with more than 9 years of experience in critical roles through the software development lifecycle for complex enterprise solutions. I am well versed in numerous programming languages and frameworks. Including Java, Spring Boot, Spring security, Spring cloud, Python, FastAPI, Javascript, Typescript, Kafka, Kubernetes, Microservices, Postgres and Mongo db. Additionally, I am proficient in frontend technologies, including React, Next.js, Redux, RxJs, Vue, Next.js, CSS and Tailwindcss, which allow me to build elegant dashboards and UI components. My strong command of Agile methodologies facilitates effective collaboration with multidisciplinary teams. With exceptional problem-solving skills and excellent communication abilities, I consistently deliver high-quality results both independently and as a valuable team player. Experienced in remote & onsite work, seeking remote opportunities. SKILLS - Programming Languages: Python, Java, Groovy, Kotlin, JavaScript, TypeScript, Elixir - Frameworks: Spring Boot, Temporal, FastApi, Pydantic, RestApi, Graphql, Hibernate, Microservices, NodeJs, Android, SQLAlechemy, Vuejs, React, Tailwind, NextJs, Phoenix, Liveview - Databases: PostgreSQL, SQlite, Mongodb, Chroma - DevOps/Cloud Technologies: Kubernetes, AWS, Google Cloud Services, Azure and Terraforms

  • TypeScript
  • JavaScript
  • Spring Boot
  • Java
  • Microservice
  • Vue.js
  • React
  • PostgreSQL
  • CSS 3
  • Bootstrap
  • Tailwind CSS
  • Python
  • Web Application
  • Amazon Web Services
  • Stripe
Mohamed A.

Assiut, Egypt

$5/hr
5.0
1 jobs

A skilled full stack developer proficient in Node.js, TypeScript, JavaScript, Python, PHP, C, C++, Java, and Amazon Web Services (Amazon EC2, Amazon S3). I excel in creating RESTful APIs, optimizing backend Node.js systems, and implementing CI/CD pipelines with DevOps practices for seamless deployments. With expertise in PostgreSQL, MySQL, MongoDB, React, Vue.js, Angular, Next.js, Django, Ruby on Rails, Laravel, and NestJS, I deliver scalable, efficient, and well-tested solutions tailored to client needs. My skills extend to HTML5, Bootstrap, Web Development, Web Design, Adaptive Web Design, Graphic Design, Cloud Architecture, Cloud Development, and Cloud Engineering Consultation using platforms like Vercel and Replit. I also have experience in Android and Smartphone application development, ensuring comprehensive Cloud Implementation for modern, user-focused solutions. As a node.js developer, I specialize in react.js node.js, vue.js node.js, node.js aws, python full stack developer, wordpress full stack, and full stack developer react.

  • Node.js
  • JavaScript
  • PostgreSQL
  • MongoDB
  • React
  • Unit Testing
  • HTML
  • CSS
  • TypeScript
  • AWS CodeDeploy
  • CI/CD
  • C
  • C++
  • XML
  • Administrate
Denys V.

Dnipro, Ukraine

$150/hr
5.0
17 jobs

I help clients solve difficult reverse engineering problems involving Windows software, Android apps, firmware, proprietary protocols, and protected binaries. C, C++, C#, Delphi, Visual Basic. My work focuses on targets that are undocumented, obfuscated, protected, or otherwise difficult to analyze without deep low-level experience. This includes application and APK reverse engineering, native library analysis, driver and firmware research, protocol reconstruction, key and decryption-flow analysis, unpacking, data extraction, and architecture-specific analysis across x86, x64, ARM, and PowerPC. I use IDA, Ghidra, Binary Ninja, Frida, debuggers, and traffic analysis tools where appropriate, but the real value is the ability to reduce uncertainty quickly, isolate the logic that matters, and deliver clear technical findings clients can act on. Typical engagements include recovering undocumented communication behavior, identifying validation or decryption logic, understanding protected binary behavior, and assessing the feasibility and risk of deeper analysis before larger commitments are made. I focus on precision, discretion, clear communication, and practical results.

  • Software Debugging
  • Encryption
  • X86 Assembly Language
  • HEX
  • C#
  • C++
  • Assembly Language
  • Reverse Engineering
  • Application Security
  • Assembler
  • Embedded System
  • Data Extraction
  • Delphi
  • Visual Basic
Loc T.

Ho Chi Minh City, Vietnam

$6/hr
4.7
2 jobs

Software Developer with 2 years experience enhancing user experience. Experienced in designing for models, as well as testing and debugging. Knows Vue, React, Django, MySQL, Firebase, Elasticsearch, Scrapy, Docker, Nginx.

  • Django
  • Vue.js
  • Tailwind CSS
  • Payment Gateway Integration
  • NGINX
  • Docker
  • .NET Framework
  • Spring Boot
  • MySQL
  • MongoDB
  • Firebase
  • Figma
Vitalii A.

Wroclaw, Poland

$30/hr
5.0
36 jobs

I have more than 15 years of programming experience. As a freelancer, I have broad experience: I developed web (ASP.NET, Python, PHP), desktop (C++, C#, Python โ€” Linux and Windows) and mobile (Android โ€” Java, C++) applications. I list here some of my jobs. C#: * clubspeed.com โ€” a large software suite for family entertainment clubs; included C# code (80%), including CoreApi and ASP.NET Razor, plus PHP (Laravel) and Node.js code (for low-level car racing control tasks). I developed it as a team member. * qadra.com โ€” a financial company; C# code (80%), Python (some microservices are Python/Flask based, 20% of code), AWS-hosted with Docker containers and Lambdas. I developed it as a team member. * enven.nl โ€” implemented from scratch their non-public partners portal: ASP.NET Razor and some CoreApi endpoints. * ASP.NET website for house rentals. * ASP.NET website for remote control of a robotic device via a WebSocket connection. * Vegetable-oil plant automation desktop program (C# + WinCC). Python: * Embeddable fact-checking chat that uses the LangGraph framework to implement a customizable LLM/AI backend (OpenAI, DeepSeek, Hugging Face, or Ollama). It allows administrators to embed the component in their websites so users can ask questions about facts described in articles and verify whether facts listed in an article are true. It included agentic code and many external APIs to check facts (not just asking an LLM), and even computer vision to inspect website photos (OpenCV). Backend is FastAPI. * AI/LLM-based ad selection for a website (FastAPI and LangGraph). It processes website text or chat messages and selects ads of different types related to the content. It contains SDKs for embedding ads on many platforms, including Go, React, and plain HTML. * Polish-language training software, based on Django and LangGraph. * Many small projects: desktop scripts, web scraping (Selenium and related tools), and simple AI agents. C++: * Factory equipment monitoring system (Ubuntu Linux, custom server over TCP/IP, web interface in PHP). * Many small projects, some of which are mentioned in reviews on this profile; many are non-public. * Powerful software for automated ad submission on social networks (massive bots that send millions of messages). PHP: * 20+ websites โ€” without CMS, with my own CMS, and with open-source Drupal, WordPress and Joomla CMSs. * Backends for Android applications. Android: * SOCKS5 proxy application that allows sharing mobile VPN with non-mobile clients via the SOCKS protocol. * Many WebView-based "business card" applications. * Dating-related applications, including erotic puzzles. Human emulation: * Spam bots โ€” I cannot provide a specific list of such software for legal reasons. * Automatic checkout on eBay and similar websites. * PayPal automatic payments. * Data scraping, including air tickets and goods in online stores. Reverse engineering โ€” I cannot provide a specific list of reverse-engineered software for legal reasons. * Java bytecode reverse engineering, including Android. * .NET bytecode reverse engineering. * Machine code for 32-bit and 64-bit x86 and ARM CPUs. Assembler: * High-performance cryptographic library for x86\_64 CPUs.

  • .NET Framework
  • MySQL Programming
  • JavaScript
  • PHP
  • Python
  • ASP.NET
  • VB.NET
  • Node.js
  • HTML
  • C#
  • Java
  • C++
  • .NET Core
  • ASP.NET Core
  • .NET Stack
  • Microsoft Windows
  • Android
  • Linux

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Debugger Hiring Guide

Hiring a debugger can help you identify and fix issues within your software, ensuring smooth functionality and improved performance. This guide covers what a debugger does, the benefits of hiring one, and how to find the right expert for your project.

What does a debugger do?

A debugger specializes in identifying, diagnosing, and fixing errors or bugs in software code. They use various tools and techniques to analyze code, track down issues, and resolve them, ensuring the software functions as expected.

Debuggers work closely with developers and quality assurance teams to ensure the software's reliability and efficiency. Their expertise allows them to troubleshoot performance issues, fix bugs, and ensure that the final product is free of defects before deployment.

Benefits of hiring a debugger

Bringing on a professional debugger can save time and resources by ensuring your software runs smoothly and efficiently.

  • Error identification: Debuggers can quickly locate and resolve bugs, minimizing downtime and improving functionality.
  • Performance optimization: They identify performance bottlenecks and improve the speed and efficiency of your application.
  • Improved reliability: Debugging ensures your software is free of critical issues before release, increasing reliability and user satisfaction.
  • Cost efficiency: Fixing bugs early in the development process helps prevent costly issues later.
  • Collaboration: Debuggers often work closely with developers and QA teams, ensuring a smooth, integrated workflow.

How to hire a debugger

Hiring a debugger on Upwork is straightforward. Follow these steps to connect with qualified professionals:

  • Sign up. Create a Client account on Upwork to get started.
  • Post a job. Write a job post outlining your debugging needs, including any specific tools or technologies required. For more, see this guide on how to post a job on Upwork.
  • Shortlist talent. Review profiles and proposals to find candidates with relevant experience in debugging and troubleshooting software issues.
  • Interview candidates. Ask about their debugging techniques, experience with specific languages, and how they approach resolving complex bugs.
  • Hire talent. Select the right candidate, agree on timelines and deliverables, and begin debugging.

For more details on the hiring process, see this guide on how to hire freelancers.

Create a job post

A well-written job post can help you attract the best debugging experts. Follow these steps:

  • Project overview: Explain the issues you're facing and what needs to be debugged.
  • Required skills: List any specific languages, tools, or frameworks your software uses (e.g., Python, Java, or C++).
  • Project scope: Provide details on the size and complexity of the project, including any deadlines.
  • Request experience: Ask candidates to share examples of their debugging work or problem-solving skills.

Common debugger services

Debuggers provide valuable services to ensure your software runs smoothly. Here are some common services they offer:

  • Bug identification and fixing: Finding and resolving code errors that cause crashes, glitches, or unexpected behaviors.
  • Performance optimization: Analyzing code to find and fix inefficiencies that impact speed and performance.
  • Memory leak detection: Identifying and resolving memory issues that can lead to slowdowns or crashes.
  • Security vulnerability fixes: Finding and fixing potential security issues within the code.
  • Code review and analysis: Reviewing code to identify potential problems or areas for improvement before deployment.

Industries hiring debuggers

Debuggers are in demand across industries that rely on reliable software performance. Common sectors include:

  • Technology: Software companies need debuggers to ensure the smooth performance of their applications and platforms.
  • Gaming: Game developers hire debuggers to identify and fix performance issues, crashes, and bugs in their games.
  • Finance: Financial institutions need debuggers to maintain secure, efficient financial software and transaction systems.
  • Healthcare: Healthcare organizations rely on software to manage sensitive patient data and need debuggers to ensure the integrity and security of these systems.
  • E-commerce: E-commerce platforms hire debuggers to ensure their websites and apps run smoothly, especially during high-traffic times.

Technology and tools used by debuggers

Debuggers use various tools and technologies to find and resolve software issues. Here are some commonly used tools:

  • GDB: A popular debugger for C/C++ programs that allows developers to step through code and inspect variables.
  • Xcode Debugger: A tool for debugging macOS and iOS applications.
  • Visual Studio Debugger: A powerful debugger for Microsoft-based applications.
  • Chrome DevTools: Used for debugging web applications by inspecting and testing JavaScript, HTML, and CSS.
  • Valgrind: A tool that helps in memory leak detection and debugging for Linux programs.
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FAQ

Frequently asked questions

What skills should I look for in a debugger?

Look for experience with debugging tools, knowledge of the programming languages used in your project, and strong problem-solving skills. Familiarity with CI/CD tools can also be valuable.

Can a debugger improve software performance?

Yes, in addition to fixing bugs, debuggers can optimize performance by identifying and resolving code inefficiencies that slow down the application.

How long does it take to debug a program?

The time required depends on the complexity of the software and the nature of the bugs. Simple issues may be resolved quickly, while more complex problems can take longer to diagnose and fix.

Do debuggers work with all programming languages?

Yes, debuggers can work with various programming languages. However, it's important to hire someone familiar with the specific languages your software is written in.

How can debugging help improve software security?

Debuggers can identify and fix security vulnerabilities in the code, protecting the software from potential attacks or data breaches.

Hire a debugger on Upwork

Ready to find a skilled debugger for your project? Sign up for Upwork and post a job to connect with experienced professionals who can help you resolve bugs and improve the performance of your software.