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You’ll slot straight into a senior product squad that owns end-to-end delivery of new features on a cloud-based platform. Day to day, I’ll count on you to design and discuss architecture in real time with product, lead code reviews, and ship production-ready code across the stack. Tech landscape • Front end: React and Angular power multiple customer-facing apps. • Back end & services: JavaScript/TypeScript, Python, and Java run side-by-side in micro-services, so deep fluency in all three is essential.
N° de projet : 40414219
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72 freelances proposent en moyenne $33 USD/heure pour ce travail

With over a decade of experience in high-performance full-stack web and mobile architecture, I understand your need for Native-English Senior Full-Stack Engineers to drive end-to-end delivery on your cloud-based platform. My background in scaling systems for over 1 million users and handling high-security FinTech projects directly applies to the challenges of your project. For strategic insight, ensuring scalability and security in your tech landscape is crucial. Leveraging my expertise in React, Angular, JavaScript, TypeScript, Python, and Java, I can implement robust design patterns and efficient code practices to meet your project goals. My past success in building and scaling Telegram Mini Apps for a large user base showcases my ability to handle complex projects with precision. I invite you to reach out to discuss further how I can contribute to the success of your project. Let's connect to discuss the roadmap and how we can work together to achieve your objectives.
$40 USD en 15 jours
8,0
8,0

Hi, To design and discuss architecture for new features, I'll leverage my expertise in React and Python to ensure seamless integration and delivery. This will include: - Collaborating with the product team to define requirements. - Leading code reviews to maintain high-quality standards. - Developing and shipping production-ready code across the stack. - Ensuring smooth communication between front-end and back-end services. I will follow a structured approach, utilizing best practices in micro-services architecture and agile methodologies to deliver efficient solutions. Ready to start once you provide access to the existing codebase. Thanks!
$38 USD en 40 jours
7,9
7,9

Hi, This is Elias from Miami. I have gone through your project description and understand you’re looking for a senior full-stack engineer to join your product squad for delivering new features. The goal is to enhance your existing system and ensure smooth end-to-end delivery. With over 10 years of experience in full-stack development, I have successfully delivered projects using Java, Python, and Node.js, and I’m well-versed in cloud computing and microservices. I'm confident I can contribute effectively to your team. For this project, I would start by assessing the current architecture and collaborating with the team to define the feature requirements. I’ll ensure we maintain high code quality and implement best practices for scalability and security. I have a few questions to get a better understanding: Q1 – What specific features are you planning to develop in the next sprint? Q2 – Are there any existing systems or technologies that we need to integrate with? Q3 – What user roles will be involved in the application, and what access levels are required? Looking forward to hearing from you.
$50 USD en 10 jours
7,9
7,9

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Java, JavaScript, Python, Cloud Computing, Django, Node.js, Full Stack Development, Angular, Microservices and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD en 5 jours
8,3
8,3

⭐⭐⭐⭐⭐ Native-English Senior Full-Stack Engineers ❇️ Hi, Ive carefully reviewed your project requirements and understand that you need a senior full-stack engineer proficient in handling both front-end and back-end development for your cloud-based platform. With an extensive background in software engineering and leadership in product development, I am well-equipped to lead your team in delivering high-quality features across your technical stack. ➡️ Why Me? I hold a Ph.D. in Computer Science and have over 10 years of experience in software development, with a deep focus on JavaScript/TypeScript, Python, and Java. My expertise extends to designing robust architecture for scalable applications, leading agile teams, and ensuring best practices in code quality and security. My fluency in React, Angular, and microservices architecture aligns perfectly with your project specifications. ➡️ Lets have a quick chat to discuss your project in detail, and I can show you samples of my previous work. ➡️ Some of my similar work: ✅ Development of a multi-tiered cloud application for a financial services firm, using React and Angular for the front-end and Python microservices for backend processing. ✅ Led a team that developed an e-commerce platform with real-time data processing and user analytics features in JavaScript/TypeScript. ✅ Architected and deployed a scalable Java application for a logistics company, integrating complex supply chain algorithms into cloud microservices. ✅ Enhanced user experience and performance optimizations for multiple customer-facing applications using advanced front-end technologies. Waiting for your response! Best Regards, Dr. Muhammad Asad
$37 USD en 30 jours
6,8
6,8

Hi, I have strong experience working in full-stack, microservice-based environments using Java, Node.js/TypeScript, and Python (Django), building and maintaining production systems on cloud infrastructure with a focus on scalable architecture, clean API design, and cross-team collaboration in agile squads. For this role, I can actively contribute across the stack by designing and reviewing microservices in Java and Node.js, supporting Python/Django services where needed, and collaborating on React/Angular frontends, while ensuring clean architecture decisions, reliable deployments, and production-ready code through structured code reviews and real-time product discussions. Best regards, Juan
$25 USD en 40 jours
5,9
5,9

As an experienced full-stack developer with expertise in JavaScript and Node.js, I believe I'm the best fit for your senior full-stack engineer role. My familiarity in front-end frameworks like React.js aligns perfectly with your tech stack, and my 5+ years of hands-on experience guarantees that I can proficiently navigate through each layer of your cloud-based platform. Thinking holistically about software development, I leverage my knowledge in backend technologies such as Node.js to make applications truly robust and scalable. Furthermore, my comprehensive understanding of Python and Java makes me well-equipped to handle microservices seamlessly—something that you specifically mentioned as essential. Lastly, I am highly motivated by bringing ideas to life precisely through coding. Whether it's a web application, mobile app, or creating a solid full-stack solution, my commitment to clean code and on-time delivery will ensure your project is not just completed but exceeds expectations! Let's discuss how we can work together to build something remarkable!
$50 USD en 40 jours
5,6
5,6

Good to see this project, I will join your senior squad on production feature delivery across React/Angular front ends and JS/TS/Python/Java microservices: architecture discussions in real time with product, code-review leadership, and shipping code across the stack. Across JS/TS, Python, and Java microservices, the contract layer is where polyglot estates usually hurt: services drift and break integrations on deploy. OpenAPI specs (or gRPC protos) versioned in a shared repo with language-specific codegen keep every service on typed contracts rather than hand-written client stubs that go stale. Questions: 1) Hours expected per week and your team's time-zone overlap window? 2) Microservice contract format today (OpenAPI, gRPC, schema-less REST) so I plug in correctly? Looking forward to potentially working together. Thanks, Faizan
$30 USD en 40 jours
5,1
5,1

You want someone who can jump into a senior product squad and immediately drive architecture conversations, lead code reviews, and ship cross-stack features — I do that daily. The real challenge isn’t just writing code in React/Angular or Java/Node/Python — it’s keeping API contracts, typing, and CI/CD consistent across multiple runtimes so features don’t degrade at integration time. I recently led a 6-person squad that delivered a cloud SaaS product with React and Angular front ends and Node/Python/Java microservices; I owned architecture decisions and ran the code-review process for every release. My first steps would be a rapid architectural review (focus on API contracts, CI/CD, and observability), enforce a lightweight review checklist and shared typing/libs, then pair on the first sprint to get a production-ready feature shipped with tests and monitoring in place. Which is the biggest pain right now: API interoperability, CI/CD pipeline, or front-end parity between React and Angular?
$37,50 USD en 7 jours
4,8
4,8

Hello, Are you looking for seasoned full-stack engineers to seamlessly integrate into your dynamic product squad? I understand the importance of owning the entire process of feature delivery on your cloud-based platform. As a senior full-stack engineer with expertise in React, Angular, JavaScript, TypeScript, Python, and Java, I can provide valuable insights into designing architecture and leading code reviews to ensure the seamless delivery of production-ready code across the stack. With a strong background in developing customer-facing applications using React and Angular, as well as working with microservices in JavaScript/TypeScript, Python, and Java, I am well-equipped to contribute effectively to your project. I am confident that my experience aligns well with the requirements of your project, and I am eager to bring my skills to your team. Best regards, Jayabrata Bhaduri
$38 USD en 40 jours
4,4
4,4

Hi, I am excited about the opportunity to join your senior product squad and contribute to delivering new features on your cloud-based platform. With extensive experience in full-stack development, I am proficient in React and Angular for front-end solutions, and deeply fluent in JavaScript/TypeScript, Python, and Java on the back end. My background includes designing and discussing scalable architecture in real time and leading code reviews to ensure robust, production-ready code across microservices environments. I am confident I can seamlessly integrate with your team and add immediate value by driving quality code and collaborative architecture design. I suggest starting with a discovery call to align on priorities and timelines, aiming to deliver initial results within the first two weeks. Could you please share more details on your current cloud infrastructure and deployment pipelines? Best regards,
$25 USD en 36 jours
4,6
4,6

Hi, I’d be happy to help. This sounds like the kind of senior product engineering role I’m comfortable stepping into. I have strong experience across Python, JavaScript/TypeScript, Java, React, Angular, APIs, databases, and production systems, so I can contribute across the stack rather than only one layer. My approach would be to first understand the current architecture, release workflow, coding standards, and product priorities, then start contributing through well-scoped features while also supporting design discussions and code reviews. I’m comfortable working directly with product teams, discussing trade-offs in real time, and turning requirements into clean, maintainable code. On the backend, I can work with Python, Java, and TypeScript services, including REST APIs, integrations, background jobs, data processing, and microservice communication. On the frontend, I can support React and Angular applications with reusable components, state management, API integration, and production fixes. I also care about code quality: readable structure, sensible tests, clear error handling, and reviews that improve the codebase without blocking delivery. I’m used to working independently, but I communicate clearly when architecture, scope, or risk needs discussion. I’d be glad to join as a senior contributor who can help design, review, and ship production-ready features across the platform.
$45 USD en 40 jours
4,6
4,6

Having recently led a senior squad through the end-to-end delivery of a high-traffic platform, I understand the precision and communication required to slot seamlessly into an established engineering team. I bring over nine years of full-stack experience, specifically focusing on building resilient features that balance rapid shipping with long-term maintainability. As a native English speaker, I prioritize clear communication and detailed documentation, ensuring every architectural decision is transparent and aligned with your product's strategic goals. To hit the ground running, I will immediately audit your current CI/CD pipelines and component libraries to ensure my contributions match your squad’s existing architectural patterns from the first pull request. I specialize in modern, type-safe stacks—leveraging React for performant frontends and Node.js or Go for scalable microservices—while implementing robust unit and integration testing to minimize regressions. My approach emphasizes reducing technical debt during the feature rollout process, utilizing advanced observability tools and performance profiling to ensure high uptime and proactive error resolution across the production environment. Does your current roadmap focus primarily on greenfield feature development or on optimizing your existing infrastructure for scale? I’d also love to learn about your squad’s preferred branching strategy and code review process to ensure my workflow integrates perfectly with your velocity. I am available for a brief chat to discuss how my background aligns with your team’s needs and am open to a call at your convenience.
$40 USD en 7 jours
4,2
4,2

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have extensive experience working as a senior full-stack engineer in cloud-based product teams, seamlessly delivering new features through effective architecture design and code reviews. The most important part to successfully complete this project is having deep fluency across frontend and backend languages and microservices to ensure smooth integration and delivery. Approach: ⭕ Collaborate closely with your product squad to understand feature requirements and architecture needs. ⭕ Lead real-time architecture discussions ensuring scalable, maintainable designs. ⭕ Conduct thorough code reviews emphasizing code quality and production readiness. ⭕ Develop, test, and ship production-grade code across React, Angular, JavaScript/TypeScript, Python, and Java stacks. ⭕ Utilize best practices for cloud deployment and microservice orchestration. ❓ Could you clarify which cloud platform you are currently using or prefer? ❓ Are there particular frameworks or tools you emphasize for your microservice architecture? ❓ What is the typical team size and sprint cadence for feature delivery? With my senior-level experience and holistic full-stack expertise, I'm confident I can immediately add value to your squad and help you ship robust, scalable features on schedule. Looking forward to working with you. Best regards, Nam
$25 USD en 15 jours
3,9
3,9

✋ Hi - I'm Larry from Atlanta. I can join your product squad and contribute across frontend, backend services, architecture discussions, code reviews, and production feature delivery. I will work closely with product and engineering leads, understand the existing micro-service structure, and ship clean, well-tested code across the stack. I am comfortable discussing architecture in real time, reviewing PRs, and keeping delivery aligned with product goals. I have strong experience with JavaScript, TypeScript, React, and Python across production web platforms, including frontend apps, backend APIs, integrations, and performance-focused feature work. I can start immediately and would love to discuss more about this project - how I can dive into your project right away. Thank you, Larry
$50 USD en 40 jours
3,3
3,3

Hello! I’ve carefully read your project description and I'm excited about the opportunity to join your senior product squad. With over 10 years of experience in full-stack development, I specialize in Java, Python, and Cloud Computing, which I believe are essential for delivering high-quality features. My expertise in Angular and microservices will ensure a smooth integration of new functionalities. Before we dive in, could you please clarify the following questions to help me better understand the project? 1. What specific features or functionalities are you looking to prioritize in the upcoming releases? 2. Are there any existing technologies or frameworks you prefer to work with, or are you open to suggestions? I’ve previously worked on projects like a custom e-commerce platform that enhanced user experience and a cloud-based application for data analytics, both of which had positive user feedback. I’m confident that my skills will contribute to achieving your project goals effectively. Looking forward to the possibility of collaborating with you. Best regards!
$25 USD en 10 jours
2,1
2,1

Hi, This fits well with my experience working in product-driven teams where engineers own features end-to-end—from architecture discussions to production deployment. I’m comfortable across React/Angular on the frontend and Node.js, Python, and Java-based services on the backend. I’ve worked in microservice environments where consistency, clean API contracts, and reliable deployments matter, and I’m used to contributing to architecture decisions, leading code reviews, and shipping features in iterative cycles. I focus on writing maintainable, production-grade code, not just completing tickets, and I’m comfortable collaborating closely with product and engineering teams in real time. The goal is to integrate smoothly into your team and contribute at a senior level from day one.
$35 USD en 40 jours
2,1
2,1

Hey! Being a senior full-stack developer with extensive experience in Java, JavaScript, Node.js and Python, I am more than equipped to meet your requirements. My 5+ years of work with SaaS platforms and modern tech stacks including React and Angular ensure I can effortlessly deliver production-ready code both on the front and back end of your cloud-based platform. I am deeply fluent in JavaScript, TypeScript, Python, and Java allowing me to comfortably navigate your microservices-oriented system. The unique value I bring is that I don't just create software – I understand your business goals and leverage my skills to help you achieve those objectives. I’ve successfully worked on over 80 projects helping businesses automate, scale, grow, and be more effective. My approach is driven by clean architecture, modern design, and efficient execution strategies that are pivotal for long-term success. Moreover, my abilities aren't limited to the mentioned tech stack. My skills also extend across mobile app development (including Flutter), ERP & CRM systems as well as API development and third-party integrations. In terms of mindset, my focus isn’t simply project completion; it is about constructing solutions that truly advance your business. Given this project calls-for deep adaptability along with top-notch skills in multiple technologies – such as yours – I believe my skill set is an ideal fit. Let's collaborate and make a meaningful difference!
$35 USD en 45 jours
1,2
1,2

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "Native-English Senior Full-Stack Engineers" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$25 USD en 3 jours
1,4
1,4

Hello! I've built a similar cloud-based platform that significantly improved performance through efficient microservices architecture and seamless integration between front-end and back-end technologies. I’d love to share my approach and examples in chat. For your project, I’d focus on designing a robust architecture that allows for rapid feature delivery while ensuring code quality through thorough reviews. I’m curious, how do you currently manage communication between your microservices, and what challenges are you facing with that? If you’re open to it, I can also propose a quick milestone or a small test task to demonstrate my capabilities. Let’s see how I can fit into your team! If you're interested, I can share my similar project, and we can explore if it aligns with your needs.
$25 USD en 40 jours
0,6
0,6

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