Fullstack Developer

When life gives you lemons and you can code both front and back with equal zest, you’re probably a Full Stack Developer we’d love on our team.

At Lemon Yellow, we’re looking for someone who thrives on building end-to-end web solutions using the MERN stack. From crafting intuitive front-ends to developing efficient, scalable back-end systems, you’ll be involved in shaping digital products from the ground up. If turning design mockups into pixel-perfect, high-performance applications excites you, we’re ready to build with you.

1. Core Responsibilities

• Build and maintain end-to-end web applications using the MERN stack.
• Act as a bridge between design and development to bring ideas to life with clean, scalable code.
• Support digital campaigns through intuitive and functional tech implementations.
• Design, develop, and deploy scalable front-end and back-end components.
• Write clean, maintainable code while collaborating with designers, marketers, and other developers.
• Translate product requirements and UI/UX wireframes into fully functional digital solutions.

2. API & Integration Management

• Implement RESTful APIs and connect third-party tools and services.
• Ensure smooth data exchange across platforms through secure integrations.
• Manage user authentication and authorization using mechanisms like JWT or OAuth.

3. Code Quality & Optimization

• Debug, profile, and optimize applications for performance and reliability.
• Maintain unit and integration test coverage for code robustness.
• Conduct code reviews and help improve internal coding standards.

4. Agile Collaboration

• Actively participate in agile activities: daily stand-ups, sprint planning, retros, and demos.
• Contribute to task estimation and cross-functional problem-solving.
• Stay responsive to project shifts and quick delivery needs.

5. Continuous Learning & Innovation

• Stay up to date with the latest development trends, tools, and practices.
• Share learnings and explore creative solutions for technical challenges.
• Experiment with emerging technologies and suggest process improvements.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum 1 year of hands-on experience building production-ready web applications using MongoDB, Express.js, React.js, and Node.js.
• Strong command of JavaScript (ES6+), HTML5, and CSS3.
• Experience with Git and version control systems
• Familiarity with RESTful API design, JSON, and authentication mechanisms (JWT, OAuth)
• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker).
• Basic understanding of CI/CD pipelines and automated testing.
• Strong analytical and problem-solving mindset.
• Detail-oriented with a passion for clean, maintainable code.
• Collaborative attitude with good verbal and written communication skills.

What are we offering?

Experience

• A chance for you to work in a thriving and growing environment. We foster a culture where growth is harmonious and creativity is always appreciated - you grow and you encourage others to do the same.

Exposure

• If you believe in your work, we believe in you. If you think your designs have the power to change the world, we'll help you bring your vision to life and give you the platform to prove it.

Empathy

• We have a carefully curated culture that promotes 2 things: fun & fulfilment. Your welfare - personal, professional, mental, and physical - becomes our responsibility. From Fitness Thursdays to learning sessions, we try to make you laugh & learn.

Who are we?

Lemon Yellow LLP is a user-centered UI/UX design agency, based out of Thane, Maharashtra. With international operations, an experienced mentorship, and a passionate team, we aim to design digital happiness.

How do you reach us?

Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.

We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.

 Job Overview 

We are seeking a highly skilled Fullstack Developer with expertise in Angular for front-end development and NestJS with TypeScript for back-end development. The ideal candidate will be responsible for building, testing, and maintaining robust, scalable, and secure web applications. You will also manage databases like PostgreSQL and MongoDB, ensuring efficient data management and seamless integration between client-side and server-side systems. 

This role requires a strong understanding of the full web development lifecycle, from designing intuitive user interfaces to developing efficient server logic and implementing security best practices. 

Key Responsibilities 

● Design, develop, and maintain front-end and back-end components using Angular, NestJS, and TypeScript. 

● Collaborate with team members to ensure seamless integration between front-end and back-end services. 

● Develop, optimize, and manage databases (PostgreSQL and MongoDB). 

● Create and maintain RESTful and GraphQL APIs to support front-end applications. 

● Optimize applications for speed, scalability, and user experience. 

● Implement and validate UI/UX designs on the front-end. 

● Write clean, testable, and maintainable code, following industry best practices. 

● Debug and troubleshoot issues across the full stack, ensuring compatibility across browsers and devices. 

● Apply security best practices, including authentication, authorization, and data protection. 

● Participate in code reviews, providing and receiving constructive feedback. 

● Stay updated on emerging technologies and trends to enhance development practices. 

● Contribute actively in Agile/Scrum ceremonies (sprint planning, daily stand-ups, retrospectives). 

Skills & Qualifications 

● Strong proficiency in Angular, TypeScript, HTML5, CSS3, and JavaScript. 

● Hands-on experience with NestJS and back-end development in TypeScript. 

● Solid understanding of PostgreSQL and MongoDB (database design, optimization, and management). 

● Proficiency in RESTful and GraphQL API development and integration. 

● Knowledge of asynchronous programming and event-driven architecture. 

● Familiarity with Docker, Kubernetes, and deployment workflows. 

● Knowledge of security best practices for web applications. 

● Experience with Git and Agile methodologies. 

● Ability to write and maintain unit and integration tests. 

● Strong problem-solving and troubleshooting skills across the full stack. 

● Excellent communication and collaboration abilities. 

● Bachelor’s degree in Computer Science, IT, or equivalent practical experience. 

Job Title: Software Development Engineer 2 (SDE 2) – React / Next.js / React Native

Location: Remote

Job Type: Full-TimeAbout the Role

We are looking for a passionate and skilled SDE 2 with strong experience in React.js and Next.js, and an eagerness to contribute to mobile app development using React Native. As a core member of our frontend team, you'll play a critical role in building scalable web applications and delivering a seamless mobile experience.Responsibilities

• Design, develop, and maintain complex frontend applications using React.js and Next.js
• Collaborate with designers and backend engineers to implement responsive, high-quality UI/UX
• Participate in architectural decisions and contribute to improving development workflows
• Contribute to the development of cross-platform mobile apps using React Native
• Write clean, maintainable, and well-tested code
• Perform code reviews and mentor junior engineers as needed
• Stay up to date with the latest trends and best practices in frontend and mobile development

Requirements

• 3–5 years of experience in software development, with a focus on frontend technologies
• Strong proficiency in React.js and Next.js
• Good understanding of JavaScript, TypeScript, and modern frontend tooling (Webpack, Babel, etc.)
• Experience with state management libraries (Redux, Zustand, Recoil, etc.)
• Familiarity or hands-on experience with React Native or willingness to work on mobile apps
• Knowledge of RESTful APIs and frontend-backend integration
• Experience with Git and modern CI/CD pipelines
• Excellent problem-solving, debugging, and analytical skills
• Strong communication and team collaboration abilities

Nice to Have

• Experience with SSR and performance optimization in Next.js
• Familiarity with native mobile development (Android/iOS)
• Knowledge of testing frameworks like Jest, React Testing Library, Detox, etc.
• Experience with app deployment to App Store / Play Store

• 0 to 3 years of experience (or equivalent understanding of software engineering)
• Familiar with Javascript/Typescript and React.js
• Familiar with one backend language (Node, Go, Java, Python) and one relational database (any SQL)
• Willingness and interest in learning new tech/processes (Next.js, Angular, IaaS, etc.)

Java Developers [I+S/E2-MM2]

Java Full Stack Developer

We are looking for a skilled Full Stack Developer who is passionate about building high-quality software applications. The ideal candidate will have expertise in Java frameworks and extensions, persistence frameworks, servers, platforms, clouds, databases, data storage, and QA tools. The candidate should also have experience working with Angular, React, or Vue.

As a Full Stack Developer, you will be responsible for developing and maintaining software applications for our clients. You will work closely with a team of developers and project managers to deliver high-quality software products. You should be comfortable working in a fast-paced environment and be able to adapt to changing priorities.

Mandatory Skill Sets:

Java frameworks and extensions: You should be proficient in building enterprise-grade applications using Java 8+ and Spring Boot.

Persistence Frameworks: You should have experience working with Hibernate and/or JPA. You should be able to design and develop efficient data models, and perform CRUD operations using Hibernate and/or JPA.

 Servers: You should be familiar with Apache Tomcat and be able to deploy applications on Tomcat servers.

Platforms: You should have experience working with Java EE and Jakarta 2EE platforms.

Clouds: You should have experience working with AWS, and be familiar with AWS services such as EC2, S3, and RDS.

Databases / Data Storage: You should have experience working with MYSQL and Oracle databases

QA Tools: You should be proficient in JUnit5 and Postman. You should be able to write and execute unit tests, integration tests, and end-to-end tests using these tools.

Web Services: You should have experience working with RESTful web services.

API Security: You should be familiar with OAuth2, JWT, Auth0, or any other API security frameworks.

 Angular/React/Vue: You should have experience working with at least one of these frontend frameworks, HTML, CSS, and JavaScript.

If you are passionate about building high-quality software applications and have the required skill sets, we encourage you to apply. We offer competitive salaries and benefits, and a challenging work environment where you can learn and grow.

Job Description:

1. Design, implement and deliver custom solutions using the existing robotics framework.
2. Debug issues, do root-cause analysis and apply fixes.
3. Design and implement tools to facilitate application development and testing.
4. Participate in architectural improvements.
5. Work with team members in deployment and field testing.

Requirements:

1. Bachelor Degree / Masters in Engineering (ECE or CSE preferred)
2. Work experience of 10+ years in software programming.
3. Proficiency in Python programming for Linux based systems.
4. Full understanding of software engineering.
5. Basic Knowledge of Robot Operating System(ROS) is a plus.
6. Good understanding of the algorithms and control loops.
7. Working knowledge of Git: creating, merging branches, cherry-picking commits, examining the diff between two hashes. Advanced Git usage is a plus.
8. Knowledge of video streaming from edge devices is a plus.
9. Thrive in a fast-paced environment and have the ability to own the project’s tasks end-to-end with minimum hand-holding
10. Learn and adapt new technologies & skills. Work on projects independently with timely delivery & defect free approach.

• Working days: 6 Days (Alternate Saturday are off)
• Timing: Normal day shift
• Experience: 1-3 Years
• Budget: (Depends on the candidature)

    Job Description :

       Should know html/CSS/PHP/Node/javascript/bootstrap
       Location- Permanent Work from home
       Immediate joiners preferred

Note:- People who want to restart their career may also apply.

PS : The candidate should be able to communicate well

About Company:

It is not just a technology company.  We are a solutions company that uses technology as an enabler.  We offer predictable delivery time and predictable cost with a focus on your outcome and needs. We do this by making otherwise unpredictable nature of transformational journey, a predictable one. 

 We believe in recognizing & sharing failures early in order to deliver with reduce leakages. With this philosophy and our unique ability to blend technologies, we have delivered value to several clients such as CTK Cosmetics, TravelSouq, WEM APAC, GEOSPOC, AREA 51 and.  Many more are digitizing their journey to transformational adoption and we would love to be a part of your success story too.

• Architect, develop and maintain core products and services of the company.
• Create database architecture and best practises for optimization in speed and product operating costs.
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs with high-volume large scale transaction processing capabilities.
• Collaborate with design teams to ensure flawless UI and UX is achieved 
• Build features and applications with a mobile responsive design
• Write technical documentation
• Test software to ensure responsiveness and efficiency
• Work with customers in evaluating technical requirements.
• Work closely with the product managers to achieve product vision and goals
• Review work of other developers and contractors, provide feedback and mentoring.
• Assist in the hiring of technical talent.

• Proven experience as a Full Stack Developer or similar role for atleast 3 years 
• In depth knowledge of Ruby on Rails, NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular 1 or React
• Experience creating front end applications using HTML5, Angular, LESS/SASS
• Hands on experience with JavaScript Development on both client and server-side
• Automating the building and deploying of code along with continuous integration (Jenkins/Hudson) and version control (SVN, Git)
• Strong experience is deploying and managing application in AWS and Google Cloud
• Creating secure RESTful-based web services in XML and JSON, Javascript, JQuery
• Experience with modern frameworks and design patterns, minimum 2 years experience with MEAN Fullstack paradigm

• Know how to create apis and applications
• Know how to architect and scale databases
• Know how to build front end for applications
• Know how to deploy applications on the cloud

Position description:

We’re looking for a senior full stack developer (MERN) with a proven experience to design and create software. The responsibilities will include coding both on the front and back-end, writing APIs, and React components.  

Having an experience of web development using JavaScript, you should be able to create web applications from scratch. The ideal candidate should have experience of working in agile teams. 

Primary Responsibilities:

• Participating in the design and creation of scalable software
• Writing clean, functional code on the front- and back-end
• Writing unit tests and fixing bugs or other coding issues
• Develop and manage well-functioning databases and applications
• Write effective APIs and react components
• Perform peer code reviews

Reporting Team

• Reporting Designation: Full Stack Development (KH_PPLS_PE_SPD.Full Stack Development)
• Reporting Department: Software Product Development (KH_PPLS_PE_SPD)

Required Certification/s:

Required work experience

• Industry: IT
• Role: Web Development
• Years of experience: 3 to 6

Key Performance Indicators:

• 3-6 years of industry work experience 
• Proven experience as a Full Stack Developer or similar role 
• 1+ years of web application development with JavaScript as full stack 
• End-to-end full stack experience designing and building scalable applications 
• Excellent JavaScript / Typescript skills 
• Strong proficiency in React (hooks knowledge is plus) 
• Strong proficiency in Nodejs 
• Good HTML5 / CSS3 skills with expertise on responsive web design 
• Must have development experience in Micro services using NodeJS and TypeScript 
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis 
• Experience with Web sockets and related frameworks (e.g. Socket.IO) 
• Experience in using and developing GraphQL APIs 
• Knowledge of code versioning tools such as Git, Mercurial or SVN. 
• Open minded to take up any challenge, research and provide solutions –  

Required Competencies:

• Great attention to detail 
• Testing libraries – jest, testing-library is plus 
• TDD / BDD experience is plus 
• Experience with AWS, K8S is plus 

• Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration  

Required Skills:

ReactJS, Node.JS, HTML, CSS, Javascript, NoSQL