Senior Software Engineer ( Dot Net Developer)

Job Summary

We are seeking a skilled Full Stack Developer with 3.5+ years of experience in designing and building scalable web applications using Microsoft .NET technologies on the backend and React.js on the frontend. The ideal candidate will be responsible for developing, integrating, and maintaining enterprise-grade applications in a fast-paced Agile environment.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance web applications using ASP.NET Core and React.js
• Build RESTful APIs and integrate with third-party services
• Implement UI components with reusable and responsive React components
• Optimize application performance and ensure cross-browser compatibility
• Work with relational databases like SQL Server to develop complex queries and stored procedures
• Collaborate with cross-functional teams to understand requirements and deliver high-quality software
• Participate in code reviews, unit testing, and bug fixing
• Follow Agile/Scrum methodologies for software development

Required Skills & Qualifications

• Experience: 3.5+ years of professional experience as a Full Stack Developer
• Frontend: React.js (with Redux or Context API), JavaScript, HTML5, CSS3
• Backend: C#, ASP.NET Core (3.1 or later), Web API, MVC, Entity Framework Core
• Database: SQL Server or other RDBMS, strong knowledge of stored procedures and joins
• Version Control: Git, GitHub/GitLab/Bitbucket
• Cloud & DevOps: Basic understanding of Azure or AWS, CI/CD pipelines (preferred)
• Testing: Unit Testing (NUnit, xUnit, Jest or equivalent)
• Solid understanding of OOP principles, design patterns, and RESTful service integration

Good to Have

• Experience with Docker, Kubernetes, or container-based deployment
• Knowledge of Agile development methodologies
• Exposure to microservices architecture
• Experience in performance optimization and debugging tools

Educational Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field

Why Join Us?

• Work on modern tech stacks and enterprise-grade solutions
• Collaborative and inclusive work environment
• Flexible work arrangements and growth opportunities
• Competitive salary and performance-based rewards

About the Role:

We are seeking a Technical Architect with proven expertise in full-stack web development, cloud infrastructure, and system design. You will lead the design and delivery of scalable enterprise applications, drive technical decision-making, and mentor a cross-functional development team. The ideal candidate has a strong foundation in .NET-based architecture, modern front-end frameworks, and cloud-native technologies.

Key Responsibilities:

• Lead the technical architecture, system design, and full-stack development of enterprise-grade web applications.
• Design and develop robust backend systems and APIs using .NET Core / C# / Python, following TDD/BDD principles.
• Build modern frontends using React.js, TypeScript, and optionally Angular, ensuring responsive and accessible UI.
• Architect scalable, secure, and highly available solutions using cloud platforms such as Azure, AWS, or GCP.
• Guide and review CI/CD pipeline creation and DevOps practices, leveraging tools like Azure DevOps, Git, Docker, etc.
• Oversee database design and optimization for relational and NoSQL systems like MSSQL, PostgreSQL, MongoDB, CosmosDB.
• Mentor developers and collaborate with cross-functional teams including Product Owners, QA, and DevOps.
• Ensure best practices in code quality, security, performance, and compliance.
• Lead application monitoring, error tracking, and infrastructure tuning for production-grade deployments.
• Required Skills:
• 10+ years of experience in software development, with 3+ years in architectural or technical leadership roles.
• Strong expertise in .NET Core, C#, React.js, TypeScript, HTML5, CSS3, and JavaScript.
• Good exposure to Python for backend services or data pipelines.
• Cloud platform experience in at least one or more: Azure, AWS, or Google Cloud Platform (GCP).
• Proficient in designing and consuming RESTful APIs, and working with metadata-driven and microservices architecture.
• Strong understanding of DevOps, CI/CD, and deployment strategies using tools like Git, Docker, Azure DevOps.
• Familiarity with frontend frameworks like Angular or Vue.js is a plus.
• Proficient with databases: MSSQL, PostgreSQL, MySQL, MongoDB, CosmosDB.
• Comfortable working on Linux/UNIX and Windows-based servers, along with web servers like Nginx, Apache, IIS.
• Good to Have:
• Experience in CRM, ERP, or E-commerce platforms.
• Familiarity with AI/ML integration and working with data science teams.
• Exposure to mobile development using React Native.
• Experience integrating third-party tools like Slack, Microsoft Teams, etc.
• Soft Skills:
• Strong problem-solving mindset with a proactive and innovative approach.
• Excellent communication and leadership abilities.
• Capability to mentor junior engineers and drive a high-performance team culture.
• Adaptability to work in fast-paced, Agile environments.

Educational Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related technical discipline.
• Microsoft / Cloud certifications are a plus.

Full-stack developer - Remote position

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 experience
• 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

• 4+ years experience in C#
• Front-end web experience in Angular
• Track record of building great products
• Excited about understanding the real problems working people come up against and fixing them with technology
• You’ll love the idea of being a big part of a small team: if you come up with a great idea, you can take it all the way to production
• 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.

Company Overview: 

At Codvo, software and people transformations go hand-in-hand. We are a global empathy-led technology services company. Product innovation and mature software engineering are part of our core DNA. Respect, Fairness, Growth, Agility, and Inclusiveness are the core values that we aspire to live by each day. 

We continue to expand our digital strategy, design, architecture, and product management capabilities to offer expertise, outside-the-box thinking, and measurable results. 

Roles & Responsibilities : 

• Familiar with the software development life cycle (SDLC) from analysis to deployment & coding standards. 
•  Ability to integrate the developed functionality and/or component into a fully functional system. 
• Ensure unit and integration level verification plan are in place  
• Actively participate in troubleshooting, debugging and updating current live system. 
• Work closely with analysts, designers and other peer developers. 
• Preparing technical training documents for onboarding new engineers. 

What we're looking for: 

• You must have good understanding of Object Oriented Programming 
• 5 years or more of professional software development experience with 3 or more years of experience developing .NET/C# web applications using Microsoft Development Products
• You believe in a systematic approach to developing the system through clear documentation (flowcharts, layouts, & etc) of functionality, address every use case through creative solutions.
• You must have defined, designed and built varied components of web-based and/or mobile applications 
• Experience using WPF (Windows Presentation Foundation) to build Windows desktop applications is a plus 
• Experience using JavaScript frameworks/libraries (Angular, React, JQuery, D3) is a plus 
• Experience with SQL Server (relational databases) and no-SQL Databases (Apache Cassandra or similar) 
• Strong analytical skills – be a problem solver and be able to develop complex algorithms 
• Strong familiarity of software architecture, databases and design patterns 
• Exposure or understanding of deploying applications on cloud platforms like Azure/AWS 

Work Timings : 3 PM - 12 AM

• Develop, test, and deploy fast and scalable web apps
• Designing and maintenance of fully functional large relational and non-relational databases
• Timely deployment of web apps on the cloud
• Server management and cloud-based infrastructure
• Establishment and integration of development tools as required
• Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
• Coding architecture for frontend and backend

Skills & Requirement:

• Minimum 5 years Experience required.
• Angular 2.0+, Angular 7, Nodejs, .Net 4.0, .Net Core, REST API, Micro services, Networking.
• Distributed server and storage – MongoDB & SQL Server

• Hands on experience in building web-based enterprise applications
• Good working knowledge Angular, Nodejs, .Net Core
• Understanding of cloud technologies
• Direct understanding of application lifecycle; Agile, SDLC
• Proficient in Object Oriented Programming.
• Experience with Networking Concepts.
• Good at API integration, debugging and fixing the issues with API
• Experience in performing SQL queries on a RDMS.
• Operational experience: Troubleshooting and Support
• Ability to work in groups and in independent settings to complete assigned tasks
• Previous experience on IOT Projects will be added advantage

Work Location: 1st Sector, HSR Layout, Bengaluru - 560102

Office Timings : Monday to Saturday – 9:00AM to 6:00PM

Work From Office Only

About [24]7.ai

[24]7.ai uses artificial intelligence, human insight, and deep vertical expertise to produce personalized, consistent, and satisfying customer experiences. The company's advanced conversational AI platform, combined with more than 20 years of contact center operational expertise, empowers the world's largest and most recognizable brands to deliver natural, frictionless conversations across all digital and voice channels. For more information, visit http://www.247.ai/">http://www.247.ai.

The Marketing Web Developer is part of [24]7.ai’s Marketing team. You will need to work collaboratively with local team members and others located in Bangalore and Toronto. This resource will be fully responsible for developing and maintaining the 247.ai website so they should be skilled in Drupal 9, HTML5, CSS, JS, Bootstrap, SASS, and possess hands-on experience with Drupal front-end theming, Integration, page development.

Areas of Responsibility

• Technical consultation and development of new pages / templates / modules in Acquia Drupal.
• Add/modify content, scripts, code, UI, modules, media etc. as per [24]7.ai Marketing and Acquia Web guidelines.
• Maintaining database, file system, dev, staging and production environments on Acquia Cloud as per [24]7.ai Marketing & Acquia guidelines.
• Check and apply Drupal security updates/patches as and when available on Drupal.org.
• Support [24]7.ai Web projects and go live/cutover activities.
• Liaise with [24]7.ai Marketing and our Acquia TAM to consult/fix issues that impact the website, and to ensure performance and availability.
• Skilled with SQL database management – from SQL to table manipulation.
• Manages all technical aspects of the CMS and Acquia development environments.
• Performance tuning, broken link fixes and implement SEO technical audits as provided by our SEO vendor.
• Uptime monitoring.
• Project ticketing (for internal tracking).
• 24x7 Emergency support.

Key Competencies

• Full-stack Drupal developer with expertise on Drupal 8 and 9 is required
• 3+ years of experience planning and implementing web projects
• Bachelor and Master Engineering degrees
• Languages: PHP, C, C#, Java, HTML5, CSS, SaaS, JavaScript
• Databases: MYSQL, Oracle
• Operating System: Linux/Abuntu, Windows
• Libraries: JQuery, Angular JS, Bootstrap
• Server side technologies: J2EE, ASP.net, JSP, Apache Solr, Apache
• Source control: SVN, Git, Github
• Must have excellent attention to detail and create clean, organized code as well as document modifications.
• Excellent problem solving and debugging skills.
• Knowledge of web performance optimization techniques.
• Knowledge of web vulnerability prevention methods.
• Experience working with cross-functional teams and receiving feedback from all levels. Work hours are shifted to overlap 2-3 hours with US Pacific Time zone as needed.
• Excellent written and verbal communication skills required.
• Ability to work within a rapidly changing environment, multi-task and prioritize.
• Must be innovative, self-driven, motivated, organized and detail-oriented
• Exhibit a high level of individual initiative.

Must Have:

1. Strong proficiency with .Net Core API development
2. Experience with caching approaches for API
3. Hands on with SQL Server and its variation among popular databases
4. Well versed with stored procedures, query plans, altering the indexes, and troubleshooting the performance holdups
5. Skilled at performance optimization of .NET APIs
6. Experience & Knowledge on Open API specification & swagger documentation
7. Experience in building Cloud Native Applications
8. Experience in Microservices architecture
9. Has worked on the deployment of applications using Docker
10. Has Knowledge of Kubernetes
11. Has Experience with Cache systems like Redis.

Nice to Have:

1. Familiar with .NET design patterns
2. Performance tuning of SQL Stored Procedures

Note: We looking for immediate joiners. We expect the offered candidate should join within 15 days. Buyout reimbursement is available for 30 to 60 days notice period applicants who can ready join within 15 days.