Senior developer - SaaS, Next.js, PostgreSQL, Git / GitHub, 3D / WebGL (Require English - Good Communication)

@sahildogra222

Hi There , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in React.js, Git, PostgreSQL, SaaS, CI/CD, Website Design, Python, Vercel, JavaScript and Node.js. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. With regards

@thomasb726

Hello, Your need for a front-end developer to focus on code cleanup and performance improvements is clear, especially with the range of projects you're handling. Given your emphasis on enhancing existing code rather than developing new features, I can contribute effectively with my experience in front-end development and optimization. One key insight from your description is the requirement for ongoing enhancements to the law firm website built on Payload CMS, particularly around performance and internationalization (i18n). Addressing performance in such contexts often involves optimizing API calls and improving asset loading, which can have a significant impact on user experience. I would prioritize profiling the current performance metrics to identify bottlenecks, such as large payload sizes or inefficient queries, and then implement targeted optimizations to improve load times and responsiveness. In my previous roles, I have consistently worked on similar challenges. For instance, I led a project where I refactored a complex e-commerce platform's frontend, resulting in a 40% reduction in load times and improved user engagement through optimized rendering strategies. I have also worked on internal tools where I integrated PostgreSQL with TypeScript, ensuring data integrity and efficient querying, which could be beneficial for your internal SaaS platform. To tackle your projects, I would begin by reviewing the existing codebases to understand the architecture and identify areas needing cleanup. I would employ tools like ESLint and Prettier for code consistency, ensuring that all team members can contribute effectively without introducing new issues. Additionally, I would analyze the current performance metrics using tools like Lighthouse to provide a benchmark for improvements. My approach would also involve collaborating closely with your lead developer to align on priorities and establish a clear plan for enhancements. Here are a couple of questions that could clarify your needs further: - For the internal SaaS platform, what specific features do you envision enhancing first? - Are there particular performance metrics or goals you want to achieve for the law firm website? Thank you, Thomas Beigbeder

@steveng96

Hello, I am available now. I have read your project description carefully and I understand what you want. 300% Confidence!!! I have 7+ years of experience in JavaScript, Python, PostgreSQL, React.js, Node.js, SaaS. I have completed similar projects. Please contact me. Best regards, Steven

@Anjali234

Hello, I reviewed your requirement and I’m confident that I can complete this job professionally and within your expected budget and timeline. My name is Amit and having 13+ years of experience as a web and mobile developer, I surely can bring your brand-new website to life. I specialize in WordPress, Laravel, eCommerce, and custom web application development - skills perfectly aligned with your goals here. Moreover, I offer a consultative development approach—understanding your business requirements first and then delivering solutions on time and within budget. Additionally, my previous projects involved UI/UX design and responsive web design that will help me deliver the clean lines, beautiful typography hierarchy, generous white spaces, consistent color palettes needed for your site. I always focus on performance optimization, clean coding standards and my work offers long-term maintainability. To sum up, by choosing me you'll get an individual who has extensive knowledge of similar projects with a solid track record of delivering top-notch quality on-time results to clients. I have the talent and skills required to bring your vision to life while maintaining visual aesthetics and functionality in alignment with your project’s scope. Questions or concerns? Let's talk further in DMs!

@nassimgho

Hi, What caught my attention is that this is not a one-off assignment but a working engineering environment where consistency and communication matter as much as shipping features. I enjoy stepping into active products, untangling front-end friction, and making codebases easier to extend instead of layering shortcuts on top of shortcuts. My approach is usually to understand the existing patterns first, identify performance and maintainability pain points early, then improve iteratively with clean commits and transparent feedback loops. Multi-project collaboration, UI precision, and keeping momentum without sacrificing quality are exactly the kind of workflow I work best in.

@Suropriyohwh

Hi, I’d like to apply for this front-end role. I’m comfortable working in a collaborative setup where communication, responsiveness, and clean execution matter as much as code quality. I’ve worked on responsive front-end builds, UI cleanup, component improvement, and performance fixes across modern web projects. I’m especially comfortable with codebase cleanup, improving structure, and making existing interfaces more consistent and maintainable. When joining an existing project, I usually: - Review the component structure and identify the messy or duplicated parts. - Fix UI inconsistencies, refactor reusable pieces, and improve maintainability. - Work in small, safe commits and share progress clearly so the team stays aligned. I’m available for async communication and can overlap with US working hours when needed. I’d be happy to share examples and discuss how I can help your team move faster across multiple projects. Best, Surajit

@andrewr481

Hi, Your need for a front-end developer to enhance existing applications resonates with my background in refining codebases and improving performance. Focusing on code cleanup and refactoring is crucial for maintaining long-term project sustainability, especially in a fast-paced environment like a marketing agency. One key challenge in this context is addressing technical debt, which can slow down further development and hinder performance. I tackle this by prioritizing areas of the code that impact user experience and load times, ensuring that improvements are measurable and sustainable. In my previous work, I have consistently refined applications, optimizing load times by 30% and improving maintainability through code standardization. I have extensive experience with TypeScript, Tailwind CSS, and PostgreSQL, and I have successfully collaborated with teams on projects similar to your internal SaaS platform and eCommerce storefront. My approach to cleaning up codebases involves a thorough analysis of existing code, identifying bottlenecks, and implementing efficient solutions that enhance performance without compromising functionality. I'd be interested to know more about your current front-end architecture and any specific areas of the codebase you feel require immediate attention. Additionally, what is your team's preferred method of handling code reviews during this contract period? Thank you, Andrew

@SerhioDiamond

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in React.js, CI/CD, Website Design, PostgreSQL, Node.js, Git, Python, SaaS, JavaScript and Vercel. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Best Regards

@AidanDP

I am confident that my skills and experience make me a strong candidate for your project. I specialize in building modern applications and digital platforms that combine sleek design, reliable functionality, and user-centered experiences. My expertise includes web development, app development, UI/UX design, automation, JavaScript, Python, game development, and SEO link building. I focus on delivering scalable, responsive, and high-performing solutions tailored to each client’s goals while maintaining long-term usability and efficiency. I value clear communication, problem-solving, and attention to detail to ensure quality results throughout the project. In addition, I have experience working with clients on platforms outside of Freelancer and my main focus at the moment is to build a good reputation on this platform. Regards, Aidan

@thomasm158

Hi, I can jump right into your stack to stabilize and polish these active projects alongside your lead developer. When approaching someone else's codebase, my first priority is establishing a safe baseline by auditing the Git history, verifying the current Vercel deployment logs for hidden errors, and ensuring TypeScript definitions are strict rather than bypassed. From there, I focus on refactoring redundant Tailwind classes into clean, scalable patterns and isolating database queries to optimize PostgreSQL schema performance. I am fully equipped to handle the component cleanup on your storefront, dive into Payload CMS i18n for the law firm site, and build out the internal SaaS features using clean App Router practices. I operate in the US Eastern time zone, offer open async communication with quick 24-hour turnaround times, and am ready to start immediately to lift the load off your team. Looking forward to hearing from you, Thanks, Thomas

@roell3

Hi, I work across Python backends and data-driven web systems, and I’m comfortable reading TypeScript, reviewing schemas, and collaborating on production codebases. The main difficulty here is maintaining consistency across multiple active apps while refactoring without breaking shared behaviors. Performance tuning in a mixed code quality environment can surface hidden coupling. There’s also risk around state handling, i18n correctness, and regressions during cleanup. How are these projects structured—separate repos or a shared mono setup? What level of test coverage or CI safeguards exist today? How are performance issues currently identified and tracked? I’m available to start immediately and can align with your team’s cadence.

@Cdjongh

I came across your project and would love to assist you. We are a professional BPO team specializing in: Customer Support Data Entry Virtual Assistance Lead Generation Appointment Setting Email & Chat Support Back-office Operations Why choose us: ✔ Experienced agents ✔ Fast turnaround time ✔ Competitive pricing ✔ 24/7 support availability ✔ Quality assurance process We can start immediately and provide a dedicated team based on your requirements. Please let me know: Expected workload Required working hours Preferred communication channel Looking forward to discussing your project.