Fullstack Developer

Senior Software Developer – Java Full Stack | AI-Powered Innovation

Experience: 6–10 years

Department: Engineering & Innovation

🌟 About the Role

We’re searching for a Senior Software Developer who thrives on solving complex challenges and building world-class products that redefine technology boundaries. You’ll be part of a dynamic team that brings Java full-stack excellence together with Python and AI-driven innovations, crafting scalable, intelligent, and high-performance solutions.

If you love clean code, intelligent systems, and pushing the limits of what’s possible, this is your playground.

💡 What You’ll Do

• Design, develop, and deploy robust Java-based full-stack applications with a focus on performance, scalability, and reliability.
• Collaborate with cross-functional teams to integrate AI and Python-driven components into enterprise-grade systems.
• Architect and maintain microservices, RESTful APIs, and modular components for high-availability platforms.
• Engage in end-to-end product development — from ideation to deployment — using modern frameworks and tools.
• Champion best coding practices, conduct code reviews, and mentor junior engineers.
• Explore, experiment, and implement new technologies in AI, automation, and intelligent analytics.
• Troubleshoot complex issues, debug performance bottlenecks, and deliver elegant solutions.

🧠 What Makes You Stand Out

• Strong expertise in Java, Spring Boot, Hibernate, and modern JavaScript frameworks (React, Angular, or Vue).
• Hands-on exposure to Python programming — especially for automation or AI/ML integration.
• Solid understanding of AI/ML frameworks (TensorFlow, PyTorch, or OpenAI APIs) is a big plus.
• Experience with cloud technologies (AWS, Azure, or GCP) and containerization tools (Docker, Kubernetes).
• Proven record of building scalable microservices and RESTful APIs.
• Passion for problem-solving, algorithmic thinking, and clean architecture.
• Excellent communication and collaboration skills — you turn complex problems into creative solutions.

⚙️ Tech Stack Snapshot

Languages: Java, Python, JavaScript

Frameworks: Spring Boot, React/Angular/Vue, Flask (optional)

Tools: Git, Jenkins, Docker, Kubernetes

Databases: MongoDB, MySQL, PostgreSQL

Bonus: AI/ML frameworks, Generative AI, or NLP experience

🌈 Why You’ll Love Working Here

• Work on cutting-edge AI-integrated applications that make a real-world impact.
• Join a culture that values innovation, autonomy, and technical excellence.
• Collaborate with brilliant minds who inspire and challenge you daily.
• Enjoy flexibility, learning opportunities, and a growth-oriented environment.

💬 Ready to code the future?

Apply now and let’s build something extraordinary together!

Position: Architect (Typescript and JavaScript)

Experience: 10 Years

Location: Remote, India.

Immediate joiners are preferred.

Roles and Responsibilities:

* Architectural Support: the design, documentation and architecture of scalable software solutions using TypeScript and related technologies.

* Stakeholder Engagement: Collaborate with stakeholders to identify and define project requirements, translating them into technical specifications.

* Development Oversight: Engage in hands-on development, focusing on both new feature implementation and maintaining existing applications (50% development).

* Team Collaboration: Work closely with our development team to provide architectural guidance and ensure best practices are followed.

* Support and Mentorship: Mentor and support other development teams by providing architectural guidance and troubleshooting assistance (50% support).

* API Development: Create and optimize GraphQL APIs

* Code Quality: Write clean, maintainable code following best practices, including unit testing and code reviews.

* Troubleshooting: Debug and troubleshoot issues in existing applications to improve performance and reliability.

* Documentation: Maintain comprehensive documentation of code and processes.

* Collaboration: Work with cross-functional teams to ensure alignment and understanding of project requirements.

* AWS Integration: Utilize AWS services (e.g., Lambda, S3) for application deployment and management.

* Messaging Services: Experience with Kafka or other messaging services for event-driven architectures and data streaming.

* Continuous Improvement: Stay updated with emerging technologies and participate in team knowledge sharing.

Skills & Qualifications:

* 10+ years of experience in software development, with a strong focus on architecture and design.

* Proven experience in leading development teams and architectural design.

* Strong knowledge of JavaScript and TypeScript.

* Experience with RESTful APIs and GraphQL.

* Proficiency in AWS services and cloud-based development.

* Understanding of version control systems (e.g., Git) and collaborative workflows.

* Strong problem-solving skills and attention to detail.

* Excellent communication skills, capable of explaining technical concepts clearly.

* Familiarity with agile methodologies and the software development lifecycle.

* BA/BS in Computer Science, Engineering, or a related field.

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.

Roles and Responsibilities:

• Developing new user-facing features using React.js
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Experience with RESTful APIs
• Troubleshooting interface software and debugging application codes.
• Create database schemas that represent and support business processes.
• Implement automated testing platforms and unit tests.
• Optimize application for performance and speed.
• Implementation of security and data protection.
• Provide technical support to users.

Skills:

• At least 5 years of experience as a Java Developer or similar role
• Strong expertise in Java programming language and working Knowledge on Back-end technologies such as Spring/Spring Boot.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Familiarity with database technology such as MySQL, MongoDB.
• Good knowledge of Unit Testing.
• Experience with at least one of the Cloud Services such as AWS, GCP, Azure are plus.
• Familiarity with SCRUM methodologies
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Analytical and logical skills
• Good problem-solving skills.

Qualification:

• 3-4 years of experience working as a ReactJS Developer or in a similar role.

What we offer:

• Flexible working hours
• Up to 12 Lakh insurance
• Work life balance

• Should have strong knowledge and hands-on experience in JDK 1.8+ 
•  Should have worked in Struts, Ajax, Spring MVC, Spring Boot and Angular 
• Should have strong expertise in SOA and Microservices • Experience in Insurance domain would be an added advantage
• The responsibilities of Java technical leads include working with developers to ensure quality network frameworks, mentoring junior level staff, and identifying issues that affect product delivery.
• Experience of Software Engineering Process and in Design J2EE Design Patterns.
• Code Review and Best practices, Unit Testing
• Team mentoring

• MUST HAVES:
1. Top  Mandatory Skills: 6+ Years in: JAVA / J2EE, Spring MVC ,Springboot, Microservices
2. Domain Experience:- BFSI (Minimum 2 yrs latest)
3. Joining time / Notice Period: Immediately

Looking for 1-2+ years’ experience with front/back end web development experience with Magento e commerce experience.

We are looking for an experienced (2+ years’) Web Developer with Magento (PHP) e Commerce experience to join our expanding team to build our product.

The incumbent is required to work on the full development lifecycle, will use their experience of front and back end to build highly responsive websites. He/She will have all the tools needed along with a fantastic working environment, which is driven by a highly motivated and enthusiastic team of developers.

Responsibilities

• Develop on new and existing client projects built using the Magento platform
• Architect and write custom extensions according to best practices
• Build efficient, testable, and reusable code
• Perform a mix of front-end and back-end development on new and existing Magento sites
• Develop new integrations and custom extensions
• Deploy code across development, staging and production environments
• Troubleshoot and resolve bugs found in existing Magento installations
• Integrate Magento with other third-party systems
• Communicate and collaborate with developers on the team
• Develop solutions in given time frames
• Communicate with managers about any issues or concerns.
• Experience creating Modules/Webservices (REST/SOAP)/Themes

What you will be working on?

You'll be a part of the core team and will be working with the founders in building and iterating upon the core product.

How you can grow with us?

• Will be working on the bleeding edge technologies of IoT which are not usually accessible to software engineers.

• Will get exposure to IoT Hardware and Industrial Infrastructure.

• Will get to deliver on-time, quality software in the challenging domains of Energy/IoT/Automation.
  
  

We appreciate the following traits!

• Will be dealing with the web app, mobile app, frontend, backend, etc. So, you need to be flexible in getting the work done.

• Need not be proficient in all of these but you can trump any of this by being a quick learner and a hard worker.

• Should be familiar with the transition from the development phase to the deployment phase.