Senior Software Engineer ( Dot Net Developer)

Role & Responsibilities

• Design, develop, and maintain scalable full stack applications using modern backend and frontend technologies.
• Build and maintain backend services and APIs using technologies such as C#, .NET, Java, or similar backend frameworks.
• Develop responsive and efficient frontend applications using Angular (14+), TypeScript, and JavaScript or similar frontend framework.
• Work on applications deployed in on-premise infrastructure environments, ensuring stability and performance.
• Implement and optimize search capabilities using OpenSearch.
• Design and maintain database structures using relational databases (SQL) and NoSQL databases such as MongoDB.
• Collaborate with cross-functional teams to design, implement, test, and deploy new product features.
• Troubleshoot issues, debug applications, and ensure high reliability and performance of the platform.
• Participate in Agile/Scrum development processes, collaborating closely with team members throughout the development lifecycle.
• Contribute to technical discussions, architecture decisions, and engineering best practices.

Ideal Candidate

• Strong Full stack software engineer having on premise applications development experience
• Mandatory (Experience 1): Must have 5+ years of experience as a Fullstack developer
• Mandatory (Experience 2): Must have hands-on experience in developing and supporting applications deployed on on-premise infrastructure (Not cloud)
• Mandatory (Backend): Must have strong backend development experience using technologies such as C#, .NET, Java, or similar backend frameworks
• Mandatory (Frontend): Must have strong frontend development experience using technologies such as React, Angular, TypeScript, JavaScript or similar frontend frameworks
• Mandatory (Core Skill): Must have exposure to OpenSearch
• Mandatory (DB): Exposure to SQL (Relational DBs) & NoSQL databases like MongoDB
• Mandatory (Company): B2B SaaS companies
• Mandatory (Note 1): This is a hybrid role in Udyog Vihar, Gurgaon
• Mandatory (Note 2): Role will convert into core team member, so need strong intent candidate
• Preferred (Skill): Experience leading technical design discussions, mentoring engineers, and setting engineering standards or architectural guidelines

• Requirements:
• ·       You have 8+ years of professional software engineering experience with a proven track record of shipping high-impact, scalable products.
• ·       You have architectural-level expertise in a modern programming language (TypeScript/JavaScript, Python, Go, or Java).
• ·       You have deep experience designing, building, and operating distributed systems in a cloud environment (AWS or GCP).
• ·       You are proficient in building and consuming web APIs (REST/GraphQL) and designing robust systems for caching (Redis) and asynchronous processing (message queues).
• ·       You have advanced expertise in designing, optimizing, and scaling SQL/NoSQL databases for high-traffic applications.
• ·       You are well-versed in CI/CD pipelines, Docker, and infrastructure-as-code (e.g., Terraform).
• ·       You thrive in ambiguity and can define technical roadmaps from vague business goals.
• ·       You communicate complex trade-offs clearly to both technical and executive stakeholders.
• ·       You champion operational excellence and influence how teams build, deploy, and maintain software.
• ·       Bonus skills: Advanced database optimization, distributed systems design, infrastructure-as-code expertise, or prompt engineering / LLM tooling experience.
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• Job Description:
• Architect, own, and deliver complex, multi-quarter projects end-to-end, setting the technical vision for your domain.
• Identify and address architectural gaps, scale critical systems, and drive continuous improvements in performance, reliability, and scalability.
• Collaborate closely with product, design, and business leaders to translate ambiguous business goals into clear technical roadmaps and execution strategies.
• Establish and champion best practices for operational excellence — including monitoring, alerting, on-call preparedness, and incident response.
• Mentor and guide L1/L2 engineers, lead through high-quality design documents and code reviews, and elevate engineering standards across the organization.
• Work hands-on with our complete stack:
• Frontend: React/Next.js + TypeScript
• Backend: Node.js / FastAPI / Go
• Databases: Postgres, Redis (SQL/NoSQL)
• DevOps & CI/CD: Docker, GitHub Actions, AWS/GCP, Terraform, Kubernetes
• Observability & Monitoring: OpenTelemetry, Grafana/Prometheus, Sentry
• AI-native productivity: Cursor for daily development, copilots, and AI codegen tools
• Measure impact through:
• Outcome: Ownership of key product-area outcomes that drive top-level company metrics.
• Quality: Architectural improvements that enhance reliability, reduce defects, and accelerate delivery.
• Speed: Ability to unblock teams and drive progress on complex initiatives efficiently.
• Technical Leadership: Setting direction, defining standards, and influencing the broader engineering organization.

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Responsibilities:

• Work closely with senior engineers to develop high-quality software solutions
• Collaborate with team members to analyze user requirements and design software solutions
• Participate in agile development processes, including sprint planning, daily stand-ups, and sprint reviews
• Write clean, maintainable, and efficient code
• Develop and maintain unit tests to ensure code quality
• Contribute to the design and architecture of microservices-based applications
• Collaborate with cross-functional teams to troubleshoot, debug, and optimize software applications

Requirements:

• 8+ years of experience in software development
• Proficiency in C#, .NET, Microservices architecture, SQL, and Azure services
• Experience with Agile development methodologies
• Strong problem-solving skills and attention to detail
• Ability to work independently and as part of a team
• Excellent communication skills and willingness to ask questions and seek guidance when needed

Additional Preferred Skills:

• Familiarity with other programming languages and technologies is a plus

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.

Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

To know more about us please visit: https://www.apexon.com/

About the role:

• Experience: 7+ years of experience building modern web applications working in the fullstack
• Proficiency in TypeScript and JavaScript with a thorough understanding of React.js or Vue.js and their core principles preferred
• Implementing RESTful APIs using .Net/C# preferred with experience with .Net Core, .Net 5 or 6 a bonus!
• Experience with SQL and relational database design with MS SQL Server experience is added advantage
• Experience with NoSQL/document database technologies
• Experience writing automated unit tests in the full stack environment
• Knowledge of modern authentication and authorization mechanisms
• Familiarity with modern front-end and backend build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience with modern responsive web application design & development Familiarity with Node.js
• Experience with microservice architecture
• Experience using Git version control
• Experience with VS Code, Visual Studio, or other relevant development tools
• Familiarity with Scrum/Agile principles
• Strong communication skills
• Ability to understand business requirements and translate them into technical requirements.
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Required skill set:

• Candidate must be good in JavaScript and have experience in at least one modern JavaScript framework such as Vue/Angular/React. But must be willing to work in Vue/React.
• Must have experience in .NET Framework. Good to have experience in .NET Core/.NET 5/6/7. But must be willing and capable enough to learn .NET Core.
• Should be able to work independently with minimum supervision.
• Must be good in programming concepts such as OOPS, Unit Tests, Web API, SQL, etc

As a Senior Technical lead you will be a member of a software development team building innovative new features for the application. Lead the team as Senior Full Stack developer

Primary Job Responsibilities:

• Inherit a well-architected, clean, and robust codebase built with .NET Core 5.x, and JavaScript and Angular
• Evaluate and implement new libraries and components
• Ensure best practices are followed in the design and development of the application Contribute to and help manage our open-source libraries
• Strong knowledge of C# and .NET Core, JavaScript, Angular
• NoSQL databases (MongoDB)Real-time web applications (Web Sockets / SignalR)
• Containerization technologies (Docker, Kubernetes) Swagger /OpenAPI Initiative
• Strong knowledge of design patterns and practices
• Experience in non-Microsoft tech stacks as Node, Python, Angular and others are also crucial components of Source Control - GitHub Unit / Performance / Load Testing
• Experience with Continuous Integration - Jenkins/Travis/Circle/etc.
• Experience working in Agile Environments - JIRA/Slack
• Working knowledge of SAAS Architecture and Deployments - AWS/Google Cloud/etc.

• Provide development and maintenance services for .NET application.
• Develop and implement best practices for .NET programming.
• Review codes and provide recommendations for improvements.
• Identify the key problems and develop a solution within business and technical context.
• Design, develop, test, review and document .NET application programs.
• Evaluate user requests to determine budget, time, feasibility and compatibility of the new or modified program.
• Analyze technical architecture and provide recommendations.
• Coordinate with users to analyze and propose application solutions to meet business needs.
• Participate in all stages of the software development life cycle including coding, designing and documentation.
• Develop support processes to integrate .NET applications into in-house and third party applications.
• Prepare and maintain system-level, program-level and user-level documentations.
• Act as a technical lead for development and integration of .NET applications.

• C#
• ASP.NET MVC
• ASP.NET
• Core
• jQuery
• JavaScript
• Angular
• MS SQL Server
• JSON
• Web API