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4.8/5
Based on 2,264 client reviews
Andrei R.

Sibiu, Romania

$10/hr
5.0
3 jobs

I have over 6 years of experience as a Manual QA Tester, working on web and mobile applications for an international client in Germany. My daily work includes functional, regression, exploratory, and usability testing, creating detailed bug reports in Azure DevOps, and collaborating closely with developers to ensure high-quality releases. Beyond finding bugs, I always evaluate whether a feature makes sense from the user's perspective. I enjoy identifying confusing workflows, UX inconsistencies, and opportunities to improve the overall user experience.

  • Software Testing
  • Quality Assurance
  • Software QA
  • Test Results & Analysis
  • Test Scenario
  • Test Strategy
  • Azure DevOps
  • Bug Tracking & Reports
Orest A.

Overland Park, Kansas

$49/hr
4.9
685 jobs

You need software that solves a real problem, built right the first time, by people who understand your business and not just your stack. I'm Orest, founder of SoftDoes. We're a U.S.-based custom software firm working with: • Non-technical founders with a vision • Technical leaders who need help but not additional headcount • Business operators solving operational complexity Our team has delivered across healthcare, fintech, construction, legal, real estate, and regulated industries where compliance-readiness is required and getting it wrong isn't an option. Our clients tend to show up in one of three situations: they have a product vision and need someone to build it, they have internal engineering that's stretched too thin, or they have operational complexity that off-the-shelf software simply can't fix. We've handled all three. What we deliver: • Custom software and SaaS platforms built for scale • AI implementation and automation built into real workflows • Web and mobile applications • Cloud infrastructure on AWS, GCP, and Azure • Full-stack development across React, Next.js, Node.js, and Python What clients tell us, consistently: we listened, we delivered what we said we would, and they didn't have to babysit us to get there. A healthcare founder went from concept to a live, compliant product in under six weeks. A construction company replaced five fragmented tools with one custom operations platform. A fintech team cut onboarding time in half with an AI-assisted workflow we built in a single sprint. We work best with companies that are big enough to need real software and clear-eyed enough to know that building it wrong the first time costs more than doing it right. If that's where you are, let's talk. 🇺🇸 U.S.-based. U.S.-led. Kansas City, MO. Services: Custom software development SaaS development Enterprise software Web application development Mobile app development Full-stack development Product development / MVP build Platform modernization / rebuild Systems integration Workflow automation Business process automation API development / API integration Backend development Frontend development AI development AI integration AI automation LLM integration RAG (Retrieval-Augmented Generation) AI chatbot development Document AI AI-powered workflows Prompt engineering AI agents Data extraction automation React Next.js Node.js Python TypeScript JavaScript REST APIs GraphQL PostgreSQL AWS Google Cloud (GCP) Microsoft Azure Vercel Docker Terraform CI/CD Cloud / DevOps keywords Cloud architecture Infrastructure as code DevOps Deployment automation Scalability / performance optimization Reliability engineering Monitoring / observability HIPAA compliance / healthcare software PCI / fintech software SOC 2 readiness (if applicable) Security best practices Compliance-ready systems Audit-friendly systems Role-based access control (RBAC) Operations platform Internal tools CRM/ERP custom build Data pipelines Dashboards & reporting Process digitization Tool consolidation Onboarding automation

  • Software Development
  • Desktop Application
  • Web Design
  • Web Development
  • Front-End Development
  • Back-End Development
  • Artificial Intelligence
  • Computer Vision
  • Machine Learning Model
  • Node.js
  • Amazon Web Services
  • Python
  • DevOps
  • CSS
  • HTML
  • JavaScript
  • React
  • API Integration
  • Full-Stack Development
  • API
Dalton C.

Santo Domingo, Dominican Republic

$20/hr
5.0
34 jobs

Hello! I’m Dalton Cabrera, a Full Stack Software Developer with over 8 years of experience. I work on web, desktop, and mobile projects, helping businesses create useful software. My Skills: Full-Stack Development: I can handle both frontend (Vue.js, AngularJS, Bootstrap) and backend (ASP.NET Core, Laravel, Web API), plus mobile apps with Flutter. Technical Knowledge: Languages: C#, SQL, PHP, JavaScript, HTML/CSS Frameworks and Libraries: ASP.NET, ASP.NET MVC, Entity Framework, Laravel , WinForms Tools: Docker, MySQL, Git, jQuery Reliable: I always meet deadlines and communicate clearly to ensure your project is a success. Why Work With Me? I am easy to work with and understand what clients need. I can help you with a custom web app, a mobile app, or improving your current system. I aim to meet and exceed your expectations. Let’s talk about your project. I’m excited to work together and achieve great results. Best regards, Dalton Cabrera

  • AngularJS
  • Bootstrap
  • jQuery
  • ASP.NET
  • WordPress
  • C#
  • SQL
  • PHP
  • ASP.NET MVC
  • Flutter
  • Mobile App
  • Laravel
  • Vue.js
Sebastian B.

Iasi, Romania

$40/hr
5.0
10 jobs

AI Engineering Lead and PhD researcher in AI/ML, certified in Claude by Anthropic. I design and ship production systems built around Claude: agents, RAG pipelines, and automations that actually make it to deployment Over the past 7 years I've helped more than 20 companies put AI into production across the US, Europe, and the Middle East. I've led engineering teams at startups large and small, and I bring a consistent track record as a high performer on the work I take on I post regularly on Medium, X, and YouTube on the latest in AI, ML, and tech, which keeps me on top of how fast the field moves, with an audience of over 10,000 across platforms. I share this work publicly partly because teaching a thing is the best test of whether you understand it What I build: - RAG chatbots and agents over your documents, PDFs, Notion, and knowledge bases - LLM fine-tuning on your domain data - Workflow automations that replace 40–80% of manual operations - Solution architecture, so you commit to the right stack the first time - Recovery work on stalled or underperforming AI projects Send over the project and I'll reply the same day with a plan, a clarifying question, or an honest pass

  • Desktop Application
  • Artificial Intelligence
  • Mobile App
  • App Development
  • Machine Learning
  • AI Agent Development
  • AI Audio Generation
  • AI App Development
  • AI Audio Generator
  • AI Bot
  • AI Chatbot
  • Python
  • LangChain
  • LLM Prompt Engineering
  • MLOps
Fawad K.

Lahore Cantt, Pakistan

$9/hr
4.8
354 jobs

Winning new projects should feel simple, and it can be. Instead of sending proposal after proposal and hoping something sticks, you get a clear system built to get you noticed and get you replies. I've analyzed 1,000+ proposals and 2,000+ jobs to uncover the top 5 strategies that actually get results, so 𝘆𝗼𝘂 𝘄𝗶𝗹𝗹 𝘀𝗸𝗶𝗽 𝘁𝗵𝗲 𝗴𝘂𝗲𝘀𝘀𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲. - Profile audit report that shows exactly what's holding you back - Proposals built around client pain points, not generic templates - Keyword-optimized profile so the right clients find you first - Real-time job alerts, I apply before your competitors notice the post - Private client portal with live notifications and proposal tracking - Detailed analytics: proposals sent, view rate, reply rate, all in one place - A/B tested cover letters that keep improving your response rate - Weekly tag-up calls to review progress and adjust strategy - Weekly performance report so you always see your growth - Proven business development approach that attracts the right clients and wins more projects I will 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗲 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗳𝗶𝗹𝗲 with strategic content and keyword enhancements to boost visibility, 𝗮𝘁𝘁𝗿𝗮𝗰𝘁 𝗻𝗲𝘄 𝗰𝗹𝗶𝗲𝗻𝘁𝘀, and 𝘄𝗶𝗻 𝗺𝗼𝗿𝗲 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀. After the optimization, I will search the 𝗯𝗲𝘀𝘁 𝗷𝗼𝗯𝘀 to apply for you using advanced filters and set up 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗷𝗼𝗯 𝗮𝗹𝗲𝗿𝘁𝘀 so I never miss any 𝗴𝗿𝗲𝗮𝘁 𝗼𝗽𝗽𝗼𝗿𝘁𝘂𝗻𝗶𝘁𝗶𝗲𝘀 𝗳𝗼𝗿 𝘆𝗼𝘂. I’ll apply as soon as the job is posted, giving you a 𝗵𝗲𝗮𝗱 𝘀𝘁𝗮𝗿𝘁 𝗯𝗲𝗳𝗼𝗿𝗲 𝗼𝘁𝗵𝗲𝗿𝘀 𝗲𝘃𝗲𝗻 𝗻𝗼𝘁𝗶𝗰𝗲. I write proposals that don’t just blend in, they 𝗴𝗿𝗮𝗯 𝗮𝘁𝘁𝗲𝗻𝘁𝗶𝗼𝗻 and 𝗴𝗲𝘁 𝗺𝗼𝗿𝗲 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲𝘀. I 𝘁𝗮𝗶𝗹𝗼𝗿 𝗲𝘃𝗲𝗿𝘆 𝗰𝗼𝘃𝗲𝗿 𝗹𝗲𝘁𝘁𝗲𝗿 to fit each job perfectly, making sure it speaks directly to what the client is looking for. 𝗘𝘅𝗰𝗹𝘂𝘀𝗶𝘃𝗲 𝗩𝗮𝗹𝘂𝗲-𝗔𝗱𝗱𝗲𝗱 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗳𝗼𝗿 𝗠𝗮𝘅𝗶𝗺𝘂𝗺 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 ✅ 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗣𝗿𝗼𝗳𝗶𝗹𝗲 𝗔𝘂𝗱𝗶𝘁 𝗥𝗲𝗽𝗼𝗿𝘁: I run a full audit of your profile against current ranking factors, then hand you a clear report showing exactly what's weak, what's missing, and what to fix to rank higher and win client trust. ✅ 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗝𝗼𝗯 𝗔𝗹𝗲𝗿𝘁𝘀: I set up custom filters around your niche, skills, and live market demand, then get alerted the moment a matching job is posted. I catch high-budget clients and even jobs posted in the wrong category that most people never find. ✅ 𝗣𝗿𝗶𝘃𝗮𝘁𝗲 𝗖𝗹𝗶𝗲𝗻𝘁 𝗣𝗼𝗿𝘁𝗮𝗹: You get access to a custom-built portal where everything lives in one place, your alerts, proposal status, and performance data, updated in real time so you're always in control. ✅ 𝗙𝗮𝘀𝘁 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗲 𝗧𝗶𝗺𝗲: Speed wins. I apply early so your proposal lands while the client is still fresh and actively reviewing, when replies are most likely. ✅ 𝗣𝗿𝗼𝗽𝗼𝘀𝗮𝗹 𝗥𝗮𝗻𝗸𝗶𝗻𝗴 𝗧𝗿𝗮𝗰𝗸𝗶𝗻𝗴: Inside the portal you can see how your proposals are performing and ranking, so you always know which applications are pulling attention and which jobs are worth the follow-up. ✅ 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱: No guesswork. You get clear numbers on proposals sent, view rate, reply rate, and more, so every decision is backed by real data, not gut feeling. ✅ 𝗛𝗶𝗱𝗱𝗲𝗻 𝗝𝗼𝗯 𝗣𝗼𝘀𝘁 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀: I read past the obvious, picking up the subtle cues and overlooked signals in each posting that most people miss, and use them to make your proposal stand out. ✅ 𝗔/𝗕 𝗧𝗲𝘀𝘁𝗲𝗱 𝗖𝗼𝘃𝗲𝗿 𝗟𝗲𝘁𝘁𝗲𝗿𝘀: I test different styles and formats to see which pull the highest response, then double down on what works, so your results keep improving over time. ✅ 𝗪𝗲𝗲𝗸𝗹𝘆 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗔𝗻𝗮𝗹𝘆𝘀𝗶𝘀 𝗥𝗲𝗽𝗼𝗿𝘁: Every week I give you a clear breakdown of what's working and what I'm improving, so you can see your growth and exactly where it's coming from. Industries I have worked with Over the years I've worked across a wide range of industries, so I know how to position you no matter your niche. That includes Software Development, AI and Machine Learning, Digital Marketing, Web and Mobile Development, SaaS, E-commerce, Data and Analytics, Design and Creative, and more. Each field has its own language and its own way clients search, and I tailor your profile and proposals to match exactly what buyers in your space are looking for. After working with me, my clients see growth in their businesses. Here's the thing: every day your profile sits un-optimized is a day your competitors get the jobs that should've been yours. Let's fix that. Send me a message and I'll take a quick look at your profile, tell you exactly what's holding it back, and show you how the system will work for you. No pressure, no long sales pitch, just a clear next step. 👉 Message me now, and let's turn your profile into a client magnet.

  • Proposal Writing
  • Business Development
  • Virtual Assistance
  • Lead Generation
  • Job Search Strategy
  • Cover Letter Writing
  • Cover Letter
  • Job Description
  • Targeted Cover Letter
  • Business Proposal Writing
  • Business Management
  • Lead Generation Strategy
  • B2B Lead Generation
  • LinkedIn Lead Generation
  • Social Media Lead Generation
  • Business Proposal
  • Proposal
  • SEO Strategy
  • SEO Keyword Research
Muhammad Hammad Q.

Karachi, Pakistan

$15/hr
5.0
3 jobs

Expert-Vetted | 5-Star Reviews | 5+ Years of Experience | 100% Job Success I help founders turn SaaS ideas into market-ready, scalable products. As a Full Stack SaaS Developer and AI/ML Engineer, I build high-performance web applications and AI-powered products from idea to launch — and scale them as usage and demand grow. Whether you need an MVP, a production-grade SaaS platform, backend architecture, AI features, or long-term product scaling, I deliver solutions that are fast, reliable, and built for real business growth. I have worked with startups and businesses to build profitable SaaS products, improve user experience, and create systems that are ready for market demand. What I can help you with: End-to-end SaaS product development Scalable web apps using React, Next.js, Node.js, MERN, and Laravel Backend APIs, database design, cloud integrations, and system architecture AI/ML solutions including LLM apps, chatbots, automations, data analysis, and intelligent workflows Product scaling, performance optimization, and feature expansion I focus on clean code, strong architecture, smooth user experience, and timely delivery. If you have a SaaS idea and need someone who can build it, launch it, and scale it, I’d be glad to help. Full-Stack Development SaaS Web Development React Next.js Node.js Laravel MERN Stack Python API Integration PostgreSQL AI Integration Machine Learning Generative AI Modeling Chatbot Development

  • Software Development
  • Git
  • Software Architecture & Design
  • React
  • Next.js
  • Node.js
  • ExpressJS
  • Tailwind CSS
  • WordPress
  • HTML
  • CSS
  • MongoDB
  • Elementor
  • Divi
  • PHP
  • Laravel
  • MERN Stack
  • MySQL
  • Full-Stack Development

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Resources to help you hire

Software developer hiring guide

Software developers build the applications, systems, and digital products that power businesses across every industry. Hiring the right software developer gives you access to specialized skills in web development, mobile apps, cloud infrastructure, and more — helping you ship products faster and solve technical challenges with confidence. If you're launching a startup MVP or scaling an enterprise platform, the right developer can turn your requirements into working code.

What does a software developer do?

Software developers design, build, test, and maintain applications and systems that meet specific business or user needs. They work across a range of technologies and industries, from e-commerce platforms and healthcare tools to fintech products and internal business software.

Common responsibilities and specializations for software developers include:

  • Writing clean, maintainable code in languages such as Python, JavaScript, Java, C#, and Ruby

  • Building and maintaining back-end services, APIs, and databases that support application logic

  • Creating responsive, user-friendly front-end interfaces using frameworks like React, Angular, or Vue.js

  • Developing mobile applications for iOS and Android using Swift, Kotlin, or cross-platform tools like Flutter

  • Setting up cloud infrastructure and CI/CD pipelines on platforms such as AWS, Azure, or Google Cloud

  • Debugging, testing, and reviewing code to maintain quality and performance standards

  • Collaborating with product managers, designers, and QA engineers to deliver projects on schedule

  • Integrating third-party services, payment gateways, and data analytics tools into existing systems

How to hire a software developer on Upwork

Upwork gives you a direct path to experienced software developers who can start contributing to your project quickly. With built-in tools for posting jobs, evaluating candidates, and managing contracts, you can move from job post to working code in days.

Step 1: Post a job for a software developer

Start by creating a clear, detailed job post that describes your software development needs. A strong job post attracts qualified candidates and helps you filter out mismatches early.

  • Define the project scope, expected deliverables, timeline, and budget so candidates can assess fit

  • Specify whether you're building a new application, adding features, or maintaining an existing codebase

  • Note any APIs, third-party services, or databases the developer will integrate withSpecify the programming languages, frameworks, and tools your project requires (for example, Python, React, PostgreSQL, or AWS)

  • Indicate whether you'll provide technical documentation, wireframes, or design assets

  • Mention whether you need a front-end, back-end, or full-stack developer, and note any domain experience (fintech, healthcare, e-commerce) required

  • Review this software developer job description template to help structure your post

Use the Job Post Generator — powered by Uma™, Upwork's Mindful AI — to speed things up. Describe what you need in a few sentences, and Uma will draft a job post for software developers that you can review and customize. 

Step 2: Evaluate software developer candidates

Once proposals come in, review each candidate's profile to assess their technical strengths and project fit.

  • Look for experience with projects similar to yours in size, stack, and industry

  • Check GitHub repositories and portfolio projects for code quality, documentation, and relevant technologies

  • Review experience building applications with a similar architecture or scale

  • Look for examples of clean, maintainable code and well-documented projects

  • Confirm familiarity with your preferred cloud platform, CI/CD tools, or development environment

  • Read client reviews and Job Success Score to gauge reliability and communication skills

Uma can conduct instant video interviews and provide shortlists with side-by-side comparisons to help you evaluate candidates faster.

Step 3: Interview top software developer choices

Narrow your shortlist and set up interviews to dig deeper into each candidate's technical abilities and working style.

  • Ask about system design, debugging approaches, and how they handle code reviews

  • Discuss their experience with version control workflows, testing frameworks, and deployment processes

  • Ask how they estimate development effort and communicate project progress

  • Discuss how they identify, troubleshoot, and resolve production issues

  • Explore their approach to writing tests and maintaining code quality over time

  • Review these web developer interview questions for ideas to help prepare targeted questions for your project's tech stack

Schedule and conduct interviews within Upwork Messages, with an immediate transcript and summary after each call.

Step 4: Agree on scope and begin work with your software developer

Once you've selected a software developer, set clear expectations for the engagement in a contract before work begins.

  • Define milestones around sprint cycles, code deliverables, and deployment timelines so both sides know what success looks like

  • Define source code ownership, repository access, and branching strategy

  • Establish expectations for testing, documentation, and deployment before project completion

  • Clarify post-launch support, bug fixes, and maintenance responsibilities

  • Set up regular check-ins to review completed work, address blockers, and adjust priorities as the project evolves

Use Upwork's messaging and contract workroom to communicate, share files, and track progress in one place. Take advantage of identity verification, Hourly Payment Protection, hourly tracking, and project funds for a secure working relationship.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a software developer cost?

Software developer rates on Upwork range from $10 to $100 per hour, depending on project scope and required expertise. Expert developers may earn $150 or more per hour. 

Review this breakdown of typical project-based costs to help you estimate your software development budget.

Bug fixes and minor updates

$200-$1,500/project

Entry to intermediate
  • Resolving UI glitches or broken features
  • Updating dependencies and patching security issues
  • Small performance improvements

Custom web application

$3,000-$15,000/project

Intermediate to expert
  • Full-stack web app with user authentication
  • Database design and API development
  • Admin dashboard with reporting features

Mobile app development

$5,000-$25,000/project

Intermediate to expert
  • Native or cross-platform mobile app
  • Push notifications and in-app payments
  • App store submission and launch support

Full-stack platform build

$10,000-$50,000/project

Expert
  • End-to-end SaaS platform with multitenant architecture
  • Cloud deployment and CI/CD pipeline setup
  • Third-party integrations and payment processing

Ongoing development and maintenance

$3,000-$12,000/project

Intermediate to expert
  • Sprint-based feature development
  • Code reviews and technical debt reduction
  • Monitoring, scaling, and incident response

Frequently asked questions

Is hiring a software developer worth it?

Hiring a software developer is worth it when you need custom-built technology, faster product releases, or specialized skills your in-house team doesn't cover. Software development outsourcing has become a mainstream strategy for businesses looking to access specialized expertise, accelerate development, and control costs.

What do I do after I hire a software developer?

After hiring a software developer, share project documentation, grant access to relevant repositories and tools, and establish a communication cadence. Setting clear milestones and deadlines from the start helps your developer deliver on scope without delays.

How long does a software development project take?

Timelines for software development projects vary based on complexity. A small bug fix may take a few days, a custom web application can take four to 12 weeks, and full-stack platform builds often require three to six months or more.