Fullstack Developer- MERN

SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.

What you’ll do

• Build and ship production-ready React features that feel fast, accessible and polished.
• Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
• Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
• Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
• Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
• Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.

What you’ll bring

• 2+ years of hands-on experience in full-stack development.
• Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
• Solid experience building RESTful services in Node.js with Express (or similar).
• Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
• Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
• Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
• Clear, concise communication skills—vital for an all-remote environment.

Nice-to-haves

• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
• Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
• Prior work in health-tech or other regulated domains.

Why SleekSky?

At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.

Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.

About the Role

We are looking for a highly skilled and experienced Junior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.

If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
• Build reusable components and front-end libraries for future use.
• Optimize app performance for speed and scalability across devices and OS versions.
• Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
• Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
• Integrate RESTful APIs and third-party services.
• Handle app store submissions and updates.
• Mentor junior developers and enforce best practices in mobile development.

Requirements

Must-Have:

• 1+ years of experience in mobile application development.
• 1+ years of hands-on experience with React Native.
• Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
• Deep knowledge of iOS and Android mobile app development lifecycle.
• Experience with mobile UI/UX best practices and performance optimization.
• Familiarity with native build tools (Xcode, Android Studio).
• Experience integrating REST APIs and handling network latency issues.
• Proficient with Git, GitHub/GitLab, and agile development practices.
• Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
• Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
• Knowledge of automated testing frameworks (Jest, Detox).
• Published apps in both the App Store and Google Play.
• Prior experience in startups or high-growth environments.

What We Offer

• Opportunity to lead and build a product from the ground up.
• Work with a dynamic and talented team in a fast-paced environment.
• Flexible working hours and remote-first culture.
• Competitive salary and equity options (if applicable).
• Learning and development budget.

We are looking for a great JavaScript Enthu Interns who is known with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated design, and quality products is important.

Responsibilities

• Developing new user-facing features using React.js, and Node.js

• Building reusable components and front-end libraries for future use

• Translating designs and wireframes into high-quality code

• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

• Thorough understanding of React.js and its core principles

• Experience with popular React.js workflows (such as Flux or Redux)

• Knowledge of isomorphic React is a plus

• Familiarity with RESTful APIs

• Knowledge of modern authorization mechanisms, such as JSON Web Token

• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

• Ability to understand business requirements and translate them into technical requirements

• A knack for benchmarking and optimization

• Familiarity with code versioning tools such as Git, SVN, and Mercurial

Skills:- Javascript, Redux/Flux, React.js and NodeJS

Fixed Stipend between - 5k - 7k

POST Internship we offer PPO, and continue with full-time.

KEY RESPONSIBILITIES

• Building a website based on the given requirements and ensure it’s successfully deployed
• Responsible for designing, planning, and testing new web pages and site features
• A propensity for brainstorming and coming up with solutions to open-ended problems
• Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
• Troubleshoot and solve problems related to website functionality
• Takes ownership of initiatives and drives them to completion.
• Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
• Responsible for creating, optimizing, and managing REST APIs
• Create website content and enhance website usability and visibility
• Ensure cross-browser compatibility and testing for mobile responsiveness
• Ability to integrate payment processing and search functionality software solutions
• Stay up-to-date with technological advancements and the latest coding practices
• Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
• Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
• Build the front-end of applications through appealing visual design
• Design client-side and server-side architecture
• Develop server-side logic and APIs that integrate with front-end applications.
• Architect and design complex database structures and data models.
• Develop and implement backend systems to support scalable and high-performance web applications.
• Create automated tests to ensure system stability and performance.
• Ensure security and data privacy measures are maintained throughout the development process.
• Maintain an up-to-date changelog for all new, updated, and fixed changes.
• Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
• Create and convert storyboards and wireframes into high-quality full-stack code
• Write, execute, and maintain clean, reusable, and scalable code
• Design and implement low-latency, high-availability, and performant applications
• Implement security and data protection
• Ensure code that is platform and device-agnostic

EDUCATION & SKILLS REQUIREMENT

• B.Tech. / BE / MS degree in Computer Science or Information Technology
• Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
• Should have prior working experience of at least 3 years as web developer or full stack developer
• Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
• Should have expert-level knowledge in implementing frontend technologies
• Should have worked in creating backend and have deep understanding of frameworks
• Experience in the complete product development life cycle
• Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
• Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
• Knowledge of architecting or implementing search APIs
• Great understanding of data modeling and RESTful APIs
• Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
• Strong analytical, consultative, and communication skills
• Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
• Excellent organizational and time management skills
• Experience with responsive and adaptive design (Web, Mobile & App)
• Should be a self starter and have ability to work without being supervised
• Excellent debugging and optimization skills
• Experience building high throughput/low latency systems.
• Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
• Should be willing to be a part of a small team and working in fast-paced environment
• Should be highly passionate about building products that create a significant impact.
• Should have experience in user experience design, website optimization techniques and different PIM tools

Full Stack Web Developer – Software Developer/ Senior Software Developer / Technical Lead

Location: Bangalore, KA (in-office)

Education: Grad – BE – IT/ CS/ BCA / MCA /ME

Job Description: 

We are looking for a skilled Web developer who’ll be responsible for designing, coding and improving our company web pages, programs and applications and passionate about building software and perform well working in a team, along with developers, engineers and web designers also should be able to convert our company needs in functional and user-friendly websites and programs. 

Responsibilities:

• Code writing - Write clean code with good nomenclature, sensible tests and comments when necessary.
• Code reviewing & Bug fixes - Implement new features and fix bugs for both existing and greenfield applications
• Unit Testing - Write unit tests, integration tests, and acceptance tests.
• Research & Development on new technology / scope.
• Completing the projects given to you based on defined timelines
• Team management skills for technical lead profile

Required Technical skills:

• Proficiency in:

1. a) C#, ASP.NET MVC, Web API, SQL,
2. b) JavaScript, jQuery

• Basic Knowledge in HTML, CSS.
• Knowledge of design pattern
• GIT (or other distributed source code management tools) knowledge
• An ability to solve complex problems, communicate clearly, and share a sense of urgency.
• The capacity to thrive in a small, flexible, and dynamic environment, contributing to a high performance.

Location: Pune (Work from home till Pandemic)

Skills: Java, Spring, Hibernate, MySQL,

Backend Skills – Java Spring Boot, JSP, MySQL, Document DB

Frontend Skills – ReactJS

Good to have ( Not Mandatory ) – Python.

Job Description:

• Hands on experience in designing and developing applications using Java
• Hands on experience in Spring, Hibernate, Micro-Services and MySQL
• Object Oriented analysis and design using common design patterns.
• Familiarity with build tools like Maven
• Proficient understanding of code versioning tools, such as Git
• Experience in Java Development
• Good to have experience or Basic knowledge in ReactJs but not mandatory

Job Responsibilities

• Manage a team of talented engineers and oversee daily execution
• Work with product managers in planning sprints and task estimation
• Remove roadblocks for teams and increase delivery velocity
• Provide technical leadership to the team
• Be Technical SME in client meetings
• Be a stickler for code quality, test coverage
• Coach and grow engineering team

To be successful in this role, you need to have/be:

• Proven track record in managing engineering teams and delivering quality products.
• Experience in Ruby on Rails, React JS tech stacks
• Experience in building high performance web applications/APIs
• Top notch analytical/problem solving/debugging skills
• Should have proven ability to build, lead and develop a team
• Strong communication skills with the ability to clearly articulate needs as well as provide the team with a clear overview of the priorities
• Excellent verbal, analytical, organizational, and written skills