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Karma is a powerful JavaScript test runner that simplifies the process of executing unit tests for your web applications. It allows developers to automate testing across multiple browsers and environments, ensuring your JavaScript code is robust and reliable. A Karma JavaScript Specialist is an expert in setting up, configuring, and optimizing Karma to enhance your testing workflow, catch bugs early, and improve code quality.
Need a Karma JavaScript Specialist to elevate your project's testing capabilities? Freelancer is the best place to find one. With the widest range of experienced professionals, Freelancer makes it easy to hire a specialist who fits your needs and budget. Over 80% of Fortune 500 companies use Freelancer, trusting its safe and efficient platform.
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9.7
9.7
98%

Gurugram, India
$30 USD per hour
Custom Software, AI and SaaS Product Studio. 14 Years, One Platform. We have built exclusively on Freelancer.com for 14 years. 500+ projects delivered. 5.0 rating across 512 reviews. 23% repeat hire rate. This is our only sales channel, so every project gets our full attention, not overflow from an agency spread across ten platforms. What we build Custom software and SaaS platforms. Full stack, scalable, built to hand off cleanly. AI native products. ChatGPT, Claude and Gemini integrations, AI chatbots, voice agents, workflow automation. Ecommerce and marketplaces. Shopify, WooCommerce, multivendor platforms. WordPress, Laravel, React, Next.js and Node.js. Production grade, not template work. You will work directly with Akash (CTO, 14 years on this platform) and Shubham or Divya (client relationship leads, named by clients in reviews going back years). The same people from your first message to final delivery. No account handoffs, no rotating project managers. 152 professional recommendations back that consistency. 100% in house team. No outsourcing. We treat every project as if we are the ones maintaining it three years from now, because often we are. Some clients have stayed with us since 2012. If your project does not need custom development, we will tell you before you spend the money. Core expertise Frontend: React, Next.js, Vue, Angular, TypeScript Backend: Node.js, Express, NestJS, Laravel, FastAPI, Core PHP Mobile: React Native, Flutter Databases: PostgreSQL, MongoDB, MySQL, Supabase Cloud: AWS, Google Cloud, Docker AI and Automation: OpenAI, Claude and Gemini APIs, RAG pipelines, LangChain, AI agents CMS and Ecommerce: WordPress, Shopify, WooCommerce, Wix, Squarespace, BigCommerce, Magento, Joomla, OpenCart, Weebly, Webflow, GoDaddy Website Builder, headless CMS Payments, Billing and Subscriptions: Stripe, Stripe Connect, PayPal, Razorpay, WooPayments, NOWPayments, ccBill, LemonSqueezy, Peppol Voice and Telephony: VAPI for inbound and outbound call orchestration with function calling, Twilio for phone number provisioning CRM and Automation: HubSpot, Zapier Lead Generation and Landing Pages: HubSpot, Odoo, Webflow, GoHighLevel, Apify, Outscraper Email and Communication: Postmark, Nodemailer, Mailivery, Gmail API, Microsoft Graph API, Yahoo IMAP, SendGrid AI Assisted Development: Cursor, Replit, Bubble, WeWeb, Lovable, Bolt, Base44 Let's talk about what you are trying to build.

8.5
8.5
97%

Mahendergarh, India
$20 USD per hour
🫰 𝗜𝗻𝘃𝗶𝘁𝗲 𝗠𝗲 𝘁𝗼 𝗬𝗼𝘂𝗿 𝗝𝗼𝗯 🫰 Hello! My name is Priyanka .I am a Full-Stack Web Developer & Designer with 11+ years of experience building high-performance, secure, and scalable websites and apps for startups, agencies, and enterprises. I help businesses transform ideas into powerful digital solutions that look great, work flawlessly, and drive results. ✅ What I Can Do For You: ✓𝗖𝗠𝗦 – WordPress, WooCommerce, Shopify, Shopify Plus, Squarespace , Wix, Framer, Joomla, Magento, PrestaShop, BigCommerce, CS-Cart, Opencart, Laravel, React , Strapi , Next.js, Sanity etc. ✓𝗖𝗠𝗦 & 𝗣𝗮𝗴𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 – Elementor, Divi, Avada , Gutenberg, Webflow, Shopify Builder, GemPages , Replo, Beaver Builder , Bricks Builder, Wix , Duda etc. ✓𝗨𝗜/𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻 & 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Modern, responsive, conversion-focused interfaces, Figma, Photoshop, illustrator, Canva ✓𝗪𝗲𝗯𝘀𝗶𝘁𝗲 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 – Speed, performance, SEO, and security improvements ✓𝗔𝗣𝗜 & 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 – Stripe, PayPal, 2Checkout, cin7 api , and other third-party services ✓𝗡𝗼-𝗖𝗼𝗱𝗲 / 𝗟𝗼𝘄-𝗖𝗼𝗱𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Webflow, Bubble, Wix, Framer,GHL, Zoho, Lovable ✓𝗠𝗘𝗔𝗡 𝘀𝘁𝗮𝗰𝗸 – Angular.js, Node.js, react native, Next.js, NestJS, React JS, Vue.js, Python , n8n ✓𝗖𝗥𝗠 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 – GoHighLevel , Zoho, HubSpot, Kajabi , Odoo , Inventory Management ✓𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀 – Laravel, Codeigniter, cake PHP, Vue.js, Angular, React, Next js , React Native ✓𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 & 𝐆𝐫𝐨𝐰𝐭𝐡 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 SEO(On-Page & Off-Page) | SMM | SEM | Google Ads | Facebook & Instagram Ads | Conversion Optimization | Mailchimp (Email Marketing & Automation) ✅ Why Clients Choose Me: ✔ Top-Rated & Trusted ✔ Clean, Scalable, and Secure Development ✔ Strong Communication and Collaborative Approach ✔ Long-Term Support I am passionate about creating web solutions that make an impact. Whether you need a custom website, e-commerce platform, SaaS application, or ongoing development support, I’m ready to deliver results that exceed expectations. 📩 Ready to start immediately and let’s build something exceptional together !

6.9
6.9
100%

Gurgaon, India
$15 USD per hour
We're a full-service web & digital team of freelancers — 10+ years in business, 400+ websites delivered, 80+ five-star reviews. One expert team handles your website, store, SEO, ads, analytics, and social — so you're never juggling freelancers or chasing handoffs. Clients stay with us because we're reliable, deadline-driven, and obsessed with the details that move revenue. "Nailed it every time, 100/100." · "Finished before the deadline — professional throughout." · "Quick and efficient. I cannot recommend them highly enough." ━━━━━━━━━━━━━━━━━━━━━━ WHAT WE DELIVER ━━━━━━━━━━━━━━━━━━━━━━ 🌐 WEBSITE DESIGN & DEVELOPMENT WordPress · Elementor · Divi · Wix · Webflow · Squarespace · custom New builds, redesigns, migrations, speed optimization, malware removal, ongoing maintenance, custom features & plugins — conversion-focused sites, not just pretty templates. 🛒 E-COMMERCE STORES Shopify · WooCommerce Fast, mobile-first stores built to sell — product pages, checkout & payment setup, migrations, redesigns. 📈 PAID ADVERTISING Google Ads · Google Shopping · Meta (Facebook & Instagram) Ads Campaign setup & optimization that puts the right buyers in front of your offer. 🔍 SEO Technical & on-page SEO, Google Search Console, indexing, and Merchant Center — so customers find you organically. 📊 ANALYTICS & TRACKING Google Analytics (GA4), Google Tag Manager, conversion tracking, DNS & domain setup — decisions backed by real data. 🔗 INTEGRATIONS & AUTOMATION API & third-party integrations, payment gateways, and Zapier / no-code automation that connect your tools and save you hours. 📱 SOCIAL MEDIA MANAGEMENT Content planning, posting, and account management that keep your brand in front of buyers. ━━━━━━━━━━━━━━━━━━━━━━ WHY CLIENTS TRUST US ━━━━━━━━━━━━━━━━━━━━━━ ✓ Reliable — 99% on-time, 99% on-budget ✓ Detail-obsessed — a flawless finish, every time ✓ Fast — deadlines hit, often early ✓ One team for your site, store, ads, SEO & social — no juggling freelancers ✓ 400+ sites · 80+ five-star reviews · 16% repeat-hire rate ━━━━━━━━━━━━━━━━━━━━━━ Building something new, fixing what's broken, or scaling what already works? Send us what you need and where you're stuck — we'll reply fast with honest, expert advice on the best path forward. No obligation.

6.8
6.8
97%

CHENNAI, India
$45 USD per hour
I’m a passionate full-stack engineer with over 16 years of industry experience. Over these years, I’ve worked on countless projects with a myriad of Technologies. with very strong emphasis in the big 3 core fundamentals of front-end engineering; HTML5, CSS3 & JavaScript. I’m passionate and honest engineer, who values ethics & core values over money.

6.5
6.5
94%

Ahmedabad, India
$31 USD per hour
I've spent 8+ years building full-stack and AI-powered products, including time embedded in Apple and Amazon project teams as a contract developer. That experience taught me something most freelancers never get exposed to: how large, complex organizations actually take a product from idea to a stable, successful release. I understand the full software development life cycle, from planning and requirements through architecture, development, testing, deployment, and maintenance. I know which of those steps tend to get rushed or skipped on smaller projects, usually right before something breaks in production. Most AI app projects don't fail because the idea was bad. They fail because of scope creep, endless revisions, delayed launches, and technical debt that piles up quietly. So before I write a single line of code, I sit down with your requirements and tell you honestly what should be added, simplified, or cut. That one step alone has saved past clients weeks of avoidable rework. If you already have a codebase that needs a revamp, upgrade, or AI integration, I start with a proper code audit. I'll flag what's solid, what's fragile, and what should be rebuilt, then hand you a clear plan with realistic timelines. If you're starting from scratch, I take time to understand what you're building before jumping into development. I put together early prototypes so you can see and feel the product, map the full user journey, and back every milestone with a QA report covering functionality, performance, security, and edge cases. Here's what you can expect me to deliver: cross-platform mobile apps (Flutter, React Native, iOS, Android) with real AI features like chatbots, personalization, predictive analytics, and computer vision. Full-stack web apps (React, Next.js, Node.js, Python) powered by LLMs like OpenAI and Gemini, plus Retrieval-Augmented Generation, you can see an example in the Neural Dakar RAG project in my portfolio. I also build AI workflow automations that save teams hours every week, and I write clean, maintainable code with proper CI/CD and cloud deployment on AWS, GCP, or Firebase, with support after launch. Clients tend to stick with me for a simple reason: I communicate clearly, I tell you the truth even when it's not what you expected to hear, and I build things meant to last and actually drive results, not just look good in a demo. If you're ready to build or upgrade an AI-powered product the right way, message me with your idea or your current codebase. Before we write any code, I'll walk you through what to keep, what to cut, and what to rethink, so you can launch faster and skip the delays most projects run into.

4.6
4.6
100%

Agra, India
$10 USD per hour
*DO NOT PAY ME UNTIL I COMPLETE! :)* My profile is new over here but I have 7 years of experience in this field :) 👩💻 Hi, I’m Aleena K. — a passionate WEBSITE & APP developer. I create clean, user-friendly, and modern websites & mobile apps that bring your ideas to life. With a focus on quality, creativity, and client satisfaction, I work individually on every project so you always get personal attention and a unique touch. ✨ Why work with me? ✔ Personal, one-to-one collaboration ✔ On-time delivery & reliable communication ✔ Modern and scalable solutions ✔ I can create your websites & apps on any platform of your choice (WordPress, React, Flutter, Shopify & more). ✔ Do not pay me until the work is completed — your satisfaction comes first. ✅ Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.

4.1
4.1
100%

Hyderabad, India
$10 USD per hour
• 8+ years of experience in full stack Software development life cycle involving Analysis, Design, Development, Deployment. - Excellent skills in MEAN, MERN, MEVN stacks. *Front-end: - HTML, HTML5, JSON. - JAVASCRIPT (Ajax, AngularJS / 2 / 4 / 5 / 6 / 7 / 8, ReactJS - Redux, Jquery),VUE.js,ASP.NET. - CSS, CSS3, Twitter Bootstrap, Less, Sass, Scss, Responsive, Material. - Mobile apps: React Native,Ionic. *Firebase Service: Authentication, Cloud firestore, Realtime DataBase, storage, hosting, functions, Cloud messaging, Dynamic Links AWS Service: ec2, s3 storage, SES, Code commit, Amazon Rekognition, RDS, Dynamo DB, AWS AppSync *Backend Skills: - Python (Django), ROR, Node.js, C#, Graph QL - MVC, OOP, CURL, MongoDB, Postgres, MySQL, Rest APIs. *Other skills: - Git, Heroku, SVN, Bitbucket, HG, Linux, Mac - AMZ S3, AWS EC2 https://cakconsultinggroup.com/ https://onlinewebapplication.com/ https://amritaaz.com/ https://www.icccricketschedule.com/

3.5
3.5
100%

Mandawar, India
$7 USD per hour
I am a results-driven Full Stack Developer and Digital Solutions Specialist with experience delivering high-quality web applications, mobile apps, SaaS platforms, UI/UX designs, and digital marketing solutions for businesses of all sizes. Please explore my portfolio to see the quality of my work. https://cycled.no https://barleylux.com/en https://lilyhanai.io/ https://furrfrendz.com https://sheetalcollection.com/ https://laqura.com/ https://theyellowtourism.com/ Technology Expertise: Full-Stack Web Development Custom Website Development Mobile App Development (Android & iOS) SaaS Product Development WordPress Development & Customization Shopify Store Development E-commerce Solutions Frontend Development (React, Next.js, HTML, CSS, JavaScript) Backend Development (Node.js, PHP, Laravel, Python) REST API Development & Integration Database Design & Management (MySQL, PostgreSQL, MongoDB) UI/UX Design (Figma, Adobe XD) Responsive Web & Mobile Design Website Redesign & Revamp Website Speed Optimization Website Maintenance & Bug Fixes Performance & Security Optimization Cloud Deployment & Hosting SEO (On-Page, Off-Page & Technical SEO) Google Ads (PPC) Social Media Marketing Digital Marketing Strategy Branding & Logo Design Graphic Design for Web & Social Media AI & Workflow Automation CRM & Business Process Solutions Project Management & Business Analysis Small IT Tasks & Technical Support Besides development services, I also teach web and app development. My training is practical, job-focused, and offered at affordable prices. It helps learners gain real skills they can use right away in their projects or careers. My Learnings and Achievements: • 5 years of experience in website and application development • Certified Full-Stack Developer – IIT Kanpur • Certified Application Developer Whether you need a new website, a mobile application, a SaaS product, a complete website revamp, an eCommerce store, branding, or assistance with small IT tasks and automation, I focus on delivering clean, scalable, and business-oriented solutions that meet your goals. I believe in clear communication, timely delivery, attention to detail, and building long-term relationships with clients. My objective is to provide reliable, cost-effective, and high-quality solutions that drive measurable results and exceed expectations. Let’s connect and bring your ideas to life. Feel free to reach out anytime! 📩

0.1
0.1
100%

Namakkal, India
$50 USD per hour
Hi, I'm Abishek. While I am newly registered on this specific freelancing platform, I bring over 1.5 years of hands-on, professional agency-level experience. I have successfully built, integrated, and deployed more than 10 live web projects—ranging from complex e-commerce platforms and custom billing software to dedicated business directories. My approach bridges the gap between clean, scalable backend architecture and high-converting, visually stunning frontends. I don’t just write code; I build complete digital experiences that drive real business results. 🛠️ My Core Capabilities: Full-Stack Web Development: Expert in crafting fast, responsive, and secure websites from scratch using HTML, HTML5, CSS, and JavaScript. Backend & APIs: Deep experience with API Integration (including payment gateways and LLMs) and database management using phpMyAdmin. Design & Visual Branding: I create striking, modern user interfaces and brand identities. I am highly proficient in Photoshop, Logo Design, and crafting corporate pitch decks via PowerPoint. Digital Marketing & Conversion: A beautiful site is useless if no one sees it. I provide foundational SEO strategies and persuasive Copywriting to ensure your platform ranks well and converts visitors into paying customers. Why work with me? I treat every client's business as if it were my own. Because I am currently building my reputation on this platform, I am offering premium, agency-quality work at highly competitive rates to earn my first 5-star reviews. I deliver clean code, clear communication, and strict adherence to deadlines.
A Karma JavaScript specialist is a test automation engineer who configures and runs Karma, the JavaScript test runner originally built by the AngularJS team, to execute unit tests across real browsers in continuous integration pipelines. These freelancers set up reliable test infrastructure that catches regressions early, accelerates release cycles, and gives development teams confidence that their JavaScript code works across Chrome, Firefox, Safari, Edge, and headless environments.
Hiring a Karma specialist on Freelancer.com gives you access to engineers who understand both the runner itself and the broader JavaScript testing ecosystem it integrates with — Jasmine, Mocha, Chai, Sinon, Istanbul code coverage, and modern build tools like webpack and Rollup. Whether you are maintaining a legacy AngularJS application, adding test coverage to a React or Vue project, or rebuilding a fragile CI pipeline, a Karma expert turns flaky test suites into deterministic, fast-running checks.
Karma freelancers handle the full lifecycle of browser-based JavaScript unit testing. They write configuration files, integrate the runner with your build system, debug cross-browser failures, and tune the suite for speed and reliability. Common deliverables include:
Karma rarely operates in isolation. A capable specialist is fluent across the surrounding JavaScript testing stack and the frameworks Karma is most often paired with. Expect proficiency with:
Browser-based JavaScript testing matters anywhere reliable web software ships. Karma specialists are commonly engaged by:
The right Karma freelancer combines deep knowledge of the runner with broader JavaScript engineering judgment. When reviewing candidates, look for:
Useful interview questions to ask shortlisted candidates:
Freelancer.com gives you access to a global community of JavaScript engineers, test automation experts, and front-end developers with hands-on Karma experience. You can post a project on Freelancer.com and receive competitive bids within hours, compare portfolios side by side, and chat with candidates before committing. Clients on Freelancer.com set their own budgets and timelines, which means you stay in control of scope while the marketplace surfaces specialists at the experience level that matches your project.
Because freelancers on Freelancer.com cover every time zone, you can find someone available to work synchronously with your team or pick up overnight progress. Milestone Payments protect both sides of the engagement, so funds are only released when work meets your standards.
Hiring the right Karma specialist comes down to writing a clear brief, reading bids carefully, and verifying portfolio evidence before you award. The steps below walk you through the process on Freelancer.com, with specific guidance on what matters when the work involves test runners, browser launchers, and CI pipelines.
Your project post is the single biggest determinant of bid quality. A precise brief filters out generic JavaScript developers and attracts engineers who genuinely understand Karma, its plugin ecosystem, and the framework your code is built on. Head to the
Bids are short proposals, not just price quotes. A strong Karma bid shows the freelancer has read your brief, understood the framework and CI context, and has a credible plan for execution. Read each proposal for technical reasoning, not just rate.
The final decision should combine proposal quality with profile evidence. For Karma work, consistency matters more than a single impressive example — you want someone who has reliably delivered test infrastructure across multiple projects, not a developer who has touched Karma once.
A focused configuration job — setting up karma.conf.js, integrating with CI, and getting a baseline suite running — often takes a few days to a couple of weeks. Larger engagements involving test writing, migration from older runners, or coverage enforcement across a large codebase can extend over several weeks. Scope, codebase size, and the state of the existing tests are the main drivers.
Yes. Many clients hire Karma freelancers specifically to repair a broken pipeline, migrate away from deprecated launchers like PhantomJS, or stabilize flaky tests. Freelancer.com supports both fixed-price one-off projects and longer hourly engagements, so you can match the contract to the work.
Karma is the test runner — it launches browsers, loads your code and specs, runs the tests, and reports results. Jasmine is a testing framework that provides the describe, it, and expect syntax for writing the specs themselves. Karma works with Jasmine, Mocha, or QUnit, so you choose the framework and Karma handles execution.
Karma remains widely used, especially in AngularJS and Angular codebases where it is the default runner, and in any project that needs true cross-browser unit testing. Many teams keep Karma in production while adopting newer runners for new code. A specialist can advise whether to maintain, extend, or migrate based on your specific stack.
If your need is focused on configuring the runner, writing unit tests, fixing CI integration, or stabilizing a JavaScript test suite, an individual Karma specialist is usually the faster and more cost-effective option. Agencies make more sense when you also need manual QA, end-to-end testing, performance testing, and test strategy bundled together.

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