Sr. Full stack Engineer

Job Summary:

We are looking for a highly experienced Senior Full Stack Developer / Technical Lead with strong expertise in .NET technologies and React. The ideal candidate should be comfortable handling multiple projects simultaneously, possess excellent communication skills, and be capable of leading and mentoring a team while delivering scalable, high-quality solutions.

Key Responsibilities:

·       Design, develop, and maintain scalable web applications using .NET (C#, ASP.NET Core, Web API) and React

·       Lead end-to-end project execution across multiple parallel projects

·       Handle project switching efficiently with minimal ramp-up time

·       Participate in architecture, design, and technical decision-making

·       Manage, mentor, and guide a team of developers

·       Conduct code reviews, ensure best practices, and maintain coding standards

·       Collaborate with Product Owners, QA, UI/UX, and Stakeholders

·       Ensure performance optimization, security, and application stability

·       Take ownership of delivery timelines and technical quality

·       Support production issues and provide root cause analysis

Required Technical Skills:

·       Strong hands-on experience in:

o  C#, ASP.NET, ASP.NET Core, Web API

o  React.js, Redux / Context API

o  HTML, CSS, JavaScript, TypeScript

·       Experience with RESTful APIs, Microservices (preferred)

·       Database expertise: SQL Server (mandatory), NoSQL (added advantage)

·       Experience with Entity Framework / Dapper

·       Familiarity with Azure / AWS (preferred)

·       Knowledge of CI/CD pipelines, Git, DevOps practices

·       Understanding of Agile / Scrum methodologies

Leadership & Soft Skills:

·       Excellent verbal and written communication skills

·       Proven experience in team handling and mentoring

·       Strong problem-solving and decision-making abilities

·       Ability to manage multiple stakeholders and priorities

·       Ownership mindset and accountability-driven approach

Nice to Have:

·       Experience working in product-based or fast-paced service environments

·       Exposure to high-availability and scalable systems

·       Client-facing experience

Job Summary:

As a Java Full Stack Developer, you will design, develop, and maintain scalable backend services and frontend applications using Java (Spring Boot) and React. You will work closely with cross-functional teams to deliver high-performance and reliable systems.

Key Responsibilities:

• Develop and maintain applications using Java, Spring Boot, and React

• Design and build RESTful APIs for data-driven applications

• Work on frontend development using ReactJS

• Ensure scalability, performance, and reliability of applications

• Collaborate with QA, DevOps, and Product teams

• Participate in code reviews and technical discussions

• Troubleshoot and resolve production issues

• Mentor and guide junior developers

Required Skills & Qualifications:

• Strong experience in Java and Spring Boot

• Hands-on experience with React.js

• Experience with PostgreSQL or other relational databases

• Good understanding of data modeling and backend architecture

• Strong knowledge of OOP concepts

• Familiarity with Agile/Scrum and Git workflows

• Excellent problem-solving and communication skills

Good to Have:

• Experience with Snowflake / Databricks

• Exposure to data-driven or analytics platforms

Job Description:

We are seeking a skilled MERN Stack Developer to join our team. The ideal candidate will have 3 to 7 years of experience in developing web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js). You will be responsible for designing and implementing innovative solutions to meet our company's needs. If you are passionate about technology and thrive in a fast-paced environment, we want to hear from you.

Responsibilities:

Develop and maintain web applications using the MERN stack.

Collaborate with cross-functional teams to define, design, and ship new features.

Write clean, efficient, and maintainable code.

Implement front-end interfaces using React.js.

Design and develop RESTful APIs using Node.js and Express.js.

Integrate third-party APIs as needed.

Optimize application performance for maximum speed and scalability.

Troubleshoot and debug issues that arise during development and in production.

Stay up-to-date with emerging technologies and best practices in web development.

Requirements:

Bachelor's degree in Computer Science, Engineering, or related field.

3 to 7 years of experience in web development.

Proficiency in the MERN stack (MongoDB, Express.js, React.js, Node.js).

Strong understanding of JavaScript, HTML, CSS, and related web technologies.

Experience with front-end frameworks such as Bootstrap or Material-UI.

Knowledge of state management libraries such as Redux or MobX.

Familiarity with version control systems (e.g., Git).

Excellent problem-solving and communication skills.

Ability to work independently and as part of a team.

Experience with Agile development methodologies is a plus.

Knowledge of GraphQL is a plus.

What you’ll be doing

• Lead the development of our across all phases of software and web development including ideation, prototyping, design, production, and maintenance.
• Work closely with founders and internal/external stakeholders to build products, tools, and services from scratch and deliver high-quality software solutions.
• Be actively involved in requirements gathering, customer interviews and the creation of robust product solutions.
• Brainstorm and lay the foundations of the technology and architectural roadmap as well as the development processes.
• Share your technical expertise to help the team make thoughtful and scalable design decisions and identify performance bottlenecks to troubleshoot quickly.
• Manage product development priorities, deadlines, and deliverables.
• Hire and manage a small team of engineers (internal/outsourced).
• Ensure high-performant and responsive web applications and websites.

Skills & Qualities we’re looking for

• Bachelor’s/Master’s degree in Computer Science (or equivalent experience).
• 4-7 years of experience as a full-stack developer (rare exceptions for highly skilled developers) at a fast-paced, preferably early / growth stage start-up.
• Proficient with frontend technologies - HTML, CSS, JavaScript & ReactJS/VueJS.
• Proficient with backend technologies - Java/NodeJs/Golang/Python/Ruby.
• Hands-on experience working with any cloud AWS/GCP/Azure/DigitalOcean.
• Knowledge of codebases and version control systems (Git).
• Well-versed with SQL database design & RDBMS concepts.
• Strong arithmetic reasoning, logical and analytical thinking skills.
• Strong knowledge of code quality maintenance and performance analysis.

We are now looking for,

Senior SW Developer – IoT Platform Development

to join the team of experts at the KONE Services & Solutions R&D. You will work together with other professionals to develop advanced KONE digital solutions that leverage the latest in cloud and connectivity technologies.

You are a cloud development expert who is passionate about designing and implementing solutions for our connectivity solutions. You are familiar with the software development patterns and can turn the architectural plans to concrete SW designs. You understand and appreciate the modern SW development practices. You work at your best when you are working with people, and you enjoy helping others.

You will work in a key role inside our Agile SW development team. Your closest colleagues will be other developers, test professionals and the PO of the team. You will be part of KONE Technology and Innovation unit’s IoT Tribe.

Main responsibilities include,

• Producing more efficient software designs for new features in our IoT platform tribe
• Developing clean and efficient code based on the specifications.
• Unit and Integration Testing for the developed code and integrate with code coverage tools.
• Verify and deploy programs and systems
• Recommend and execute improvement for the existing offerings from the IoT platform.
• Create technical documentation for reference and reporting.
• Participating in knowledge sharing and demos

To be successful in this role,

• Having a degree in Computer Science or equivalent with minimum 5+ years of relevant working experience.
• More than 3 years proven experience in developing high volume scalable cloud solutions utilizing platforms like Amazon AWS with IoT domain.
• Having hands on development experience with Java, Node JS and TypeScript.
• Experience working with MVC, WEB API, RESTful services with IoT domain

• Team player with capabilities to take the lead and develop own competencies around the core knowledge is a must.
• Understanding of React JS is an added advantage.

• Strong experience with Serverless Cloud Compute Services with AWS or Azure

• Experience in working with AWS platform and its core services like Lambda, CloudWatch, CloudFormation, CDK, SQS, S3 etc., or its equivalent Azure services
• Understanding of Serverless design, network security, cloud design patterns, high availability and secure systems.

• Hands on experience with both SQL and No-SQL databases.
• Experience on DevOps ways of working with good understanding on CI/CD