

About the Role:
We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.
Key Responsibilities:
- Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
- Develop RESTful APIs and integrate third-party services and databases.
- Write reusable, testable, and efficient code.
- Optimize applications for maximum speed and scalability.
- Lead code reviews and enforce best practices in design and development.
- Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
- Ensure cross-platform optimization and responsiveness of applications.
- Mentor and guide junior developers, fostering a culture of continuous learning.
- Troubleshoot and debug production issues.
- Maintain documentation of software functionality and technical decisions.
Required Skills:
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
- Deep understanding of React.js and state management libraries like Redux or Context API.
- Hands-on experience with Node.js and Express.js.
- Strong knowledge of MongoDB and Mongoose ORM.
- Experience in building and consuming RESTful APIs.
- Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
- Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
- Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration abilities.
Preferred Qualifications:
- Bachelor’s/Master’s degree in Computer Science or related field.
- Experience with GraphQL or WebSockets.
- Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
- Previous experience in Agile/Scrum environments.
What We Offer:
- Competitive salary and performance-based bonuses
- Flexible working hours and remote work options
- Opportunities for upskilling and certifications
- Collaborative and inclusive team culture
- Health insurance and wellness benefits

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Job Description
We are looking for a Full Stack Developer. You'll be part of a cross-functional team that's responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.
Responsibilities
Work with development teams and product managers in agile methodology
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
Test software to ensure responsiveness and efficiency
Troubleshoot, debug and upgrade software
Create security and data protection settings
Build features and applications with a mobile responsive design
Qualifications Skills
Proven experience as a Full Stack Developer or similar role.
Experience in developing web applications using Node.js, React.js, MySQL, AWS services.
Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).
Knowledge of multiple JavaScript frameworks (e. g. React, Angular, Node.js ).
Familiarity with databases (e. g. MySQL, Mongo DB), web servers (e. g. Apache), and UI/UX design.
Excellent communication and teamwork skills.
Candidates MUST HAVE :
● Deep expertise with JavaScript. Extensive hands-on experience building microservices using NodeJs.
● Substantial experience in building complex and scalable solutions.
● Strong computer science fundamentals: data structures, algorithms, design patterns
● Strong experience and understanding of various APIS / Web Services and SQL/NoSQL databases
● Architected non-trivial solutions for a company at a scale
● Proficient in unit testing, writing mocks, automated functional tests, and end-end tests
● Experience with a variety of languages, stacks, and programming paradigms
● Capability to contribute across the web and mobile stacks
● Strong desire to drive change, and ability to adapt to change quickly
● The ability to independently lead problem-solving and build elegant, maintainable solutions to complex problems.
Good to Have
● Experience in building projects with TypeScript, ExpressJs, NextJS, ReactJs, Flutte,r etc.
● Experience with gRPC or GraphQL API implementations.
● Experience in any other programming languages such as Python/Go/Scala
● Experience with Kubernetes, Docker and
● Understanding the nature of asynchronous programming and its quirks and workarounds
● Good hand-on with data streaming technologies like Kafka
● Experience with cloud APIs (e.g., GCP, AWS, Azure)
● Understanding on information security and data privacy
● Experience in open-source development and contribution to open-source technology
Roles and Responsibilities :
● Write clean, reliable, reusable, scalable, testable and maintainable code.
● Produce best in class documentation, testing and monitoring
● Estimate effort, identify risks
● Mentor/coach other engineers in the team to facilitate their development and to provide technical leadership to them.
● Rise above details as and when needed to spot broader issues/trends and implications for the product/team as a whole
● Practice and promote craftsmanship in software engineering (coding, testing, code reviews, documentation, scalability, performance, etc.)
● Break down requirements, estimate tasks, and assist in planning roadmap accurately
● Develop iterative solutions to address expansive product goals
● Platformism components as libraries, utilities and promote reuse
● Be able to conceptualize and develop prototypes quickly
● Own large technical deliverables and execute in a structured manner.
● Take accountability for the overall health of the products you build and ensure predictability of the deliverables of your team 1
● Drive technical roadmap of the team in collaboration with Product and Business Teams.

Remote position
Full-stack developer | .NET Core + Angular
Are you...
- Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
- Keen to make software that people will use every single day to make their lives easier?
- Excited to work on greenfield projects with responsibility and independence?
- Ready to develop and use your skills across our frontend, backend and mobile offerings?
- Meticulous about quality, and gifted with a strong desire to write beautiful code?
About the company
KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.
Why we need you
As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.
A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.
With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.
Our Tech Stack
- C# MVC modern tech stack
- .Net Core
- Front end web in TypeScript & Angular
- Test Driven Development (TDD) and follow SOLID design principles.
- EF 6.0
- SQL Server 2017
- Agile experience (Scrum, Kanban)
- TFS
- Cloud hosted in Azure with micro-services architecture
Your qualities
- 5+ years experience in C#
- Experience with .NET core
- Front-end web experience in Angular and CSS
- Track record of building great products
- You’ll love the idea of being a big part of a small team. Current team size is 5.
- Motivation and ambition to succeed in a fast-paced environment
- Not afraid to take on responsibilities
What we offer
- Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
- Competitive salary based on relevant experience
- Flexible working for our most committed staff
- Unparalleled opportunities to develop your career as the company develops rapidly
If you want to join the KeyNest team, please get in touch – we look forward to meeting you.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.



At least 7 years programming experience, some of them in JS/TypeScript.
Proven expert level knowledge in BE & FE development (NodeJS, React,
electron, npm/yarn, WebPack).
Experience with cloud (preferably AWS) and/or micro-services.
Proven experience mentoring junior developers, defining work procedures and coding conventions.
Experience working with various databases (preferably more than two).

Experience: 4 to 6 years prefreable.


applications
To identify and correct the software defects and to maintain the existing software
systems
To create test plans and technical specifications
To develop the guidelines and conventions not only for .NET but also for SQL Server, CSS,
HTML, JavaScript, and C#/VB.Net
Familiarity with the Net framework, SQL Server, and design patterns
Understanding of Agile methodologies
Familiarity with REST and RPC APIs
Candidate must be having minimum B. tech. (CSE) / MCA Regular degree.
The candidate must have minimum 3+ years or more experience and must have the
ability to work with teammates and at the individual level.

Role Description:
- Lister is actively engaged with client across digital transformation and engineering
- As a part of this engagement, you will be working with our clients on solution design and architecture, technology decisions, while co-ordinating technical efforts for the team
- As a Technical Lead:, You will need to collaborate with Solution Architects define technology
- roadmap, evaluate/recommend technologies, architect and design solutions, Work
- with other developers to oversee the development and implementation
- You will translate functional requirements from business stakeholders to the technical
- team for implementation
- You will need to troubleshoot design flaws and system bottlenecks
- You will have to be hands-on with code reviews and evaluate implementation for performance and scale
- Manage communication between our clients and internal teams in India and USA
- Coordinate with the offshore team to deliver projects across work streams, Identify risks, issues and blockers to progress and mitigate them for the team
- Rapidly gain an understanding of project requirements and drive execution
- Work with delivery team to ensure the highest quality of materials are being produced and all client needs are met.
Skills Required:
- Excellent understanding of backend and frontend components in the following stack: NodeJS, TypeScript, Javascript, ReactJS, multiple RDBMS and NoSQL databases like Postgres, MySQL, MongoDB Experience of working on AWS services (Lambda, Step functions, SQS, S3 SNS)
- Microservice design pattern is a must
- Experience in Docker, Kubernetes, containerization and CI/CD pipelines is preferable
- Experience in software development tools like Prettier, CodeCov, Snyk, etc..
- Excellent verbal and written communication skills; client facing and interpersonal skills; must be a listener, a presenter, and a people-person
- Experience in Designing scalable architecture systems for Node-based applications
- Ability to grasp complex implementations; Proven results of delivering client solutions
- Should have experience of working with offshore team
- Experience in working on large scale technology transformation projects for product companies is preferable
- Technology contributions to open source projects will be an added advantage
- Should have completed Certifications or training on AWS (AWS Solutions Architect), NodeJS, front-end frameworks.


About the Role
Working on frontend & backend tech on a unique Design Ai product. You'll be working closely with a Senior Developer and focusing 70% on Frontend and 30% Backend development for the product.
- Experience of 2-3 years in web technologies and full stack development.
- Expertise in PHP frameworks like Laravel, Codeigniter and other technologies like javascript, jquery etc.
- Expertise in front end web technologies like Bootstrap, CSS3, HTML5 & AngluarJS.
- Keen interest in working at a fast learning environment of a startup.
- Exposure to GIT (for SCM), JIRA (for project management) and AWS EC2 (for Deployments) and Slack (for communication).
- Follow best practices around version control, unit tests, and automated build processes.
Back End
• PHP Frameworks – Laravel, Codeigniter, etc.
• NodeJS
• MySQL
• MongoDB
Front End
• HTML5
• CSS3
• Bootstrap
• AngularJS
• FabricJS
• Javascript
• Jquery
Responsibilities
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performant applications.
- Implementation of security and data protection.
- Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Understanding accessibility and security compliance.
- User authentication and authorization between multiple systems, servers, and environments.
- Integration of multiple data sources and databases into one system.
- Understanding fundamental design principles behind a scalable application.
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
- Creating database schemas that represent and support business processes.
- Implementing automated testing platforms and unit tests.
- Proficient understanding of code versioning tools, such as Git.
- Good communication skills. Clear estimation of timelines and solid reasoning as to why we are doing something before we do something.
- Good with Problem Solving skills.
- Good knowledge of data structures and algorithms.





