
Job Description:
- working on all layers of architecture Understanding the flow of code and how it interacts with different components.
- Building REST API.
- Creating technical design documents by understanding requirements, and product objectives.
- Writing effective Unit tests
- Good analytical skills and innovative mind.
- Source code management.
- Excellent communication skills.
Desired Skills
- Experience on Mern Stack (MongoDB, Express.js, React, Node.js)
- Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds•
- Strong hands-on experience in JavaScript• Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.
- Good understanding of server-side CSS preprocessors such as Stylus, Less•
- Basic understanding of web markup, including HTML5 and CSS3• Good understanding of asynchronous request handling, partial page updates, jQuery, and AJAX•
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues• Familiarity with JavaScript module loaders, such as Require.js and AMD•
- Proficient understanding of code versioning tools, such as SVN• Good understanding of browser rendering behavior and performance
- Key Programming Skills: MERN stack, full stack, React, Java, HTML/CSS, JavaScript, Bootstrap.
- Experience working with Rest based APIs

About Sunday Labs
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Role Description
We are seeking a full-time AI Developer specializing in Generative AI and Large Language Models (LLMs) to join UpSolve Solutions in Mumbai. This client-facing, on-site role involves designing, developing, and deploying AI models, specifically focusing on GenAI and LLMs. The AI Developer will leverage expertise in machine learning, natural language processing, and data science to build cutting-edge AI solutions that drive business innovation and solve complex challenges.
Qualifications
- Proficiency in Python
- Strong projects in Flask + JS
- Excellent problem-solving, critical thinking, and analytical skills
- Strong communication and presentation skills, with the ability to convey technical concepts to non-technical stakeholders
- Bachelor's or Master’s degree in a relevant field (e.g., Computer Science, Artificial Intelligence, Data Science)
We are inviting a Fullstack Developer who excels at building modern web and mobile applications, with deep backend experience in Node.js and strong frontend proficiency in Next.js and React Native (Expo). You’ll work with a team of designers, product leads, and developers to bring impactful climate tech to life.
Location: Mumbai & Vicinity (India)
Responsibilities:
- Design, develop, and maintain scalable backend services using Node.js.
- Develop responsive and high-performance web applications using Next.js.
- Build and deploy mobile applications using React Native and Expo.
- Collaborate with UX Designers, Architects, and other Developers to implement full-stack web and mobile solutions.
- Perform data modeling and database management using PostgreSQL and Prisma.
- Ensure the performance, quality, and responsiveness of applications.
- Troubleshoot and debug applications to optimize performance.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to continuous improvement of development processes.
- Apply AI-enhanced developer tools like Cursor, Copilot, or similar to boost development velocity and code quality.
Required Skills and Experience:
- 2+ years of experience in full-stack JavaScript development.
- Strong proficiency in backend development using Node.js.
- Demonstrated experience with frontend technologies such as Next.js and React Native.
- Experience with PostgreSQL and Prisma for database management and data modeling.
- Experience with deploying React Native applications using Expo.
- Solid understanding of RESTful APIs and how to integrate them with front-end applications.
- Familiarity with modern JavaScript (ES6+), HTML5, and CSS3.
- Strong understanding of software development best practices.
- Proficiency in version control systems such as Git.
Additional Relevant Skills and Experience:
- Experience with map modules, such as ArcGIS, and Google Earth Engine.
- Experience with TypeScript.
- Experience with CI/CD pipelines.
- Understanding of server-side rendering and static site generation.
- Good eye for design and UX principles.
- Experience working in Agile/Scrum environments.
Good to Have:
- Experience with WebSockets and real-time applications.
- Familiarity with cloud platforms such as AWS or Azure.
- Experience with Docker and containerized applications.
- Knowledge of performance optimization techniques.
- Strong problem-solving skills and ability to work independently or as part of a team.
We Offer:
- Work on Open Source Projects
- Competitive Salary based on Location
- Flexible working hours
- 4 weeks of paid leave/year
- Work from home
Plant-for-the-Planet is a global, youth-led non-profit with a mission to restore ecosystems through tree planting and climate justice advocacy. Our tech team, spanning five continents, builds scalable, open-source tools to support environmental action at a global scale.
Learn more: https://www.plant-for-the-planet.org

- Design and develop a comprehensive website using Next.js, integrating both client-side and server-side architecture.
- Build reusable code and libraries for future use, ensuring the technical feasibility of UI/UX designs.
- Optimize applications for maximum speed and scalability across a vast array of web-capable devices and browsers.
- Collaborate with team members, including designers and project managers, to translate business and user requirements into technical solutions.
- Implement robust security and data protection measures.
- Stay up-to-date with emerging technologies and industry trends to incorporate into operations and practices.
- Conduct testing to identify bugs and technical issues before and after deploying.
- Document development processes, code changes, and other technical information for reference and reporting.
Role & Responsibilities:
- Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
- Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
- Transform business and design needs into innovative products.
- Drive all projects to completion within deadlines.
- Perform thorough testing to find issues ahead of time.
- Engineering software needs more precise analysis & coding skillset
- Enhance skillset by working with fortune 500 clients
- Interacting with internal team.
Qualifications:
- E in computer science or related fields.
- Hand on development experience with web & database technologies (MS SQL).
- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
- Ability to work at the tactical and strategic levels of IT initiatives.
- Impressive hands-on experience in .Net technologies. Impressive hands-on experience and knowledge with C#, SQL, JSON, XML, Win Forms & MVC, Angular, JavaScript, jQuery , HTML/CSS.
- Self-Motivated, flexible & Innovative
Position: Technical Architect
Location: Hyderabad
Experience: 6+ years
Job Summary:
We are looking for an experienced Technical Architect with a strong background in Python, Node.js, and React to lead the design and development of complex and scalable software solutions. The ideal candidate will possess exceptional technical skills, a deep understanding of software architecture principles, and a proven track record of successfully delivering high-quality projects. You should be capable of leading a cross-functional team that's responsible for the full software development life cycle, from conception to deployment with Agile methodologies.
Responsibilities:
● Lead the design, development, and deployment of software solutions, ensuring architectural integrity and high performance.
● Collaborate with cross-functional teams, including developers, designers, and product managers, to define technical requirements and create effective solutions.
● Provide technical guidance and mentorship to development teams, ensuring best practices and coding standards are followed.
● Evaluate and recommend appropriate technologies, frameworks, and tools to achieve project goals.
● Drive continuous improvement by staying updated with industry trends, emerging technologies, and best practices.
● Conduct code reviews, identify areas of improvement, and promote a culture of excellence in software development.
● Participate in architectural discussions, making strategic decisions and aligning technical solutions with business objectives.
● Troubleshoot and resolve complex technical issues, ensuring optimal performance and reliability of software applications.
● Collaborate with stakeholders to gather and analyze requirements, translating them into technical specifications.
● Define and enforce architectural patterns, ensuring scalability, security, and maintainability of systems.
● Lead efforts to refactor and optimize existing codebase, enhancing performance and maintainability.
Qualifications:
● Bachelor's degree in Computer Science, Software Engineering, or a related field. Master's degree is a plus.
● Minimum of 8 years of experience in software development with a focus on Python, Node.js, and React.
● Proven experience as a Technical Architect, leading the design and development of complex software systems.
● Strong expertise in software architecture principles, design patterns, and best practices.
● Extensive hands-on experience with Python, Node.js, and React, including designing and implementing scalable applications.
● Solid understanding of microservices architecture, RESTful APIs, and cloud technologies (AWS, GCP, or Azure).
● Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
● Should create automation test cases and unit test cases (optional)
● Proficiency in database design, optimization, and data modeling.
● Experience with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes).
● Excellent problem-solving skills and the ability to troubleshoot complex technical issues.
● Strong communication skills, both written and verbal, with the ability to effectively interact with cross-functional teams.
● Prior experience in mentoring and coaching development teams.
● Strong leadership qualities with a passion for technology innovation.
● have experience in using Linux-based development environments using GitHub and CI/CD
● Atlassian stack (JIRA/Confluence)
-Proficiency with Javascript and Node.js + TypeScript , Express JS
-Familiar with JS tools
-Experience writing code from scratch
-Thrive in a fast-paced working environment, owning deadlines and striving for efficiency
-Familiarity with GIT, Jira, Redmine, or similar project management and issue tracking software
-Working knowledge of design principles, typography, user interfaces, Web standards and usability
-Familiar with interaction design and information architecture methods and principles
**~ Job Requirements ~**
- Handson with Node js and express.js
- working in a young, ambitious, and international team
- good to have experience building an API from scratch
- Are interested in security and its best practices

- 2+yrs of experience in Frontend Development
- 2yrs of experience in NodeJS Development
- AngularJS (v1.+) proficiency and web development experience using AngularJS
- Good hands on experience in HTML, CSS, JavaScript.
- Strong communication and problem-solving skills
- Desire to work in a fast-paced, results-driven agile environment with varied
Responsibilities:
- Use markup languages like HTML to create user-friendly web pages
Develop the frontend and Backend of the Application - Integration of the front-end and back-end aspects of the web application
- Constantly and consistently implementing new features and optimize existing ones from controller-level to UI Vigilantly and rapidly fix bugs
Note: Candidate will be working on developing applications using NodeJS
Role Description:
- Design, build, and maintain applications using Node.JS
- Hands-on working on various Azure PAAS services.
- Good problem solving abilities along with strong understanding of Data structures, various design patterns & algorithms.
- Enhance existing services and applications to increase availability, reliability, and scalability in a microservices environment
- Work across the engineering team to build new features and services at scale
- Improve engineering tooling, process, and standards to enable faster, more consistent, more reliable, and highly repeatable application delivery
- Remain engaged with latest technology trends and understand operational challenges to continually evolve application delivery processes and platform components
- Support platform technology decisions based on performance metrics and operational SLAs
- Provide guidance and best practices around security for applications and platform infrastructure
Qualifications:
- 3+ years software development experience using Node.JS
- Must have experience & understanding of working on Azure PAAS services.
- Strong understanding of Azure PAAS services like Services, Service Bus, etc.
- Exposure/understanding of JavaScript frameworks like Angular.JS/React.JS is added advantage.
- Experience with database and cloud technologies
- Understand the benefits of microservices, but also understand the challenges they bring and current trends on how to address those challenges
- Strong written and verbal communication skills
- BS degree in Computer Science or equivalent, Master’s degree preferred.










