Senior .NET Developer (Backend and AWS Cloud Development)

Apexon; Bengaluru; Presencial; INR 2.500.000 - 4.500.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Group Health Insurance covering family

Term Insurance and Accident Insurance

Paid Holidays & Earned Leaves

Employee Wellness

Descripción de la vacante

Apexon is seeking a Senior .NET Developer focused on backend and AWS Cloud development to architect, implement, and optimize scalable enterprise applications. This role emphasizes C#, .NET Core/.NET 8+, REST APIs, microservices, and data-driven design within AWS.

You will collaborate with Product Managers, Architects, QA, and DevOps to deliver robust, secure, and observable systems, mentoring junior engineers and driving performance improvements in an Agile setting.

Formación

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 7+ years of software-development experience, with substantial hands-on backend experience.
• Strong expertise in C# and modern .NET (including .NET Core and .NET 8+).
• Experience developing RESTful APIs, microservices, and distributed components.
• Solid understanding of OOP, SOLID, and design patterns.
• Experience with dependency injection, asynchronous programming, and multithreading.
• Hands-on AWS experience (Lambda, ECS/EKS, S3, SQS, SNS, API Gateway, CloudWatch, RDS, IAM, DynamoDB).
• CI/CD pipelines and deployment automation.
• Strong SQL skills with SQL Server and PostgreSQL.
• Experience with Git-based workflows.
• Unit and integration testing experience.
• Agile or Scrum delivery environment experience.
• Mentoring junior developers and stakeholder communication.

Responsabilidades

• Design, develop, test, and maintain scalable enterprise applications using C#, .NET Core, and .NET 8 or later.
• Build secure RESTful APIs, microservices, and event-driven components.
• Develop cloud-native AWS solutions across services like Lambda, ECS/EKS, S3, SQS, SNS, API Gateway, CloudWatch, RDS, IAM, and DynamoDB.
• Design scalable, observable, and secure architectures for enterprise systems.
• Optimize relational databases using SQL Server and PostgreSQL, including indexing and migrations.
• Implement CI/CD pipelines and deployment automation; support production release activities.
• Mentor junior developers and participate in code reviews and architecture discussions.
• Collaborate with Product, Architects, QA, DevOps to deliver high-quality software.
• Work independently in an Agile/Scrum environment and take ownership of initiatives.

Conocimientos

C# / .NET

REST APIs

Microservices

AWS Cloud

SQL Server

PostgreSQL

Dependency Injection

Asynchronous Programming

Multithreading

Unit Testing

CI/CD

Git

Mentoring

Agile/Scrum

Terraform / CloudFormation

Educación

Bachelor’s or Master’s degree in Computer Science/Engineering

Herramientas

Docker

Kubernetes

OpenSearch/Elasticsearch

Descripción del empleo

Senior .NET Developer (Backend and AWS Cloud Development)

Apexon is an AI-first technology services firm that engineers Intelligent Enterprises. Our interconnected disciplines of Domain & Strategy, Cognitive Architecture, and Harness Engineering guide every engagement, helping clients deliver meaningful business outcomes while applying collective intelligence to confidently scale from early AI strategies to enterprise-grade production systems. For over three decades, we have helped organizations by leveraging our deep and practical expertise in Artificial Intelligence, Data & Analytics, Digital Engineering, and Experience, combined with our industry knowledge across Banking & Financial Services, Healthcare and Life Sciences to create lasting business value. Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

Role Summary

Job Title: Senior .NET Developer

Specialisation: Backend and AWS Cloud Development

Experience: 7+ years

Employment Type: Full-time

We are seeking an experienced Senior .NET Developer to design, develop, and support scalable enterprise applications and distributed systems using .NET, C#, AWS, SQL Server, and PostgreSQL.

This is primarily a backend engineering role, covering REST APIs, microservices, event-driven systems, relational databases, and cloud-native AWS solutions. The successful candidate will contribute to application architecture, production troubleshooting, performance optimization, observability, and technical improvements while collaborating with Product Managers, Architects, QA, and DevOps teams.

Key Responsibilities

• Design, develop, test, and maintain scalable enterprise applications using C#, .NET Core, and .NET 8 or later.
• Build secure and reliable RESTful APIs, microservices, and event-driven application components.
• Develop cloud-native solutions using AWS services such as Lambda, ECS, EKS, S3, SQS, SNS, API Gateway, CloudWatch, RDS, IAM, and DynamoDB.
• Design scalable, highly available, observable, and secure application architectures.
• Design and optimize relational databases using SQL Server and PostgreSQL.
• Develop efficient SQL queries, data-access components, database schemas, indexes, partitions, and migration scripts.
• Apply object-oriented design, SOLID principles, and appropriate software-design patterns.
• Implement asynchronous processing, dependency injection, multithreading, and distributed-system patterns.
• Troubleshoot production issues, perform root-cause analysis, and implement sustainable corrective actions.
• Improve application performance, reliability, maintainability, security, and operational observability.
• Implement coding, testing, security, logging, and performance-engineering best practices.
• Build and maintain unit and integration tests to improve application quality and reduce regression risk.
• Participate in code reviews, technical-design discussions, estimation, and architecture decisions.
• Collaborate with Product Managers, Architects, QA engineers, DevOps engineers, and other delivery stakeholders.
• Mentor junior developers and provide technical guidance on development standards and engineering practices.
• Support CI/CD pipelines, deployment automation, and production-release activities.
• Work independently, take ownership of assigned technical initiatives, and deliver within an Agile or Scrum environment.

Mandatory Skills Required

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• At least 7 years of software-development experience, with substantial hands‑on experience in backend application development.
• Strong expertise in C# and modern .NET, including .NET Core and .NET 8 or later.
• Experience developing RESTful APIs, microservices, and distributed application components.
• Strong understanding of object-oriented programming, SOLID principles, and common software-design patterns.
• Practical experience with dependency injection, asynchronous programming, and multithreading.
• Hands‑on experience with AWS services, including: Lambda, ECS or EKS, S3, SQS and SNS, API Gateway, CloudWatch, Amazon RDS, Identity and Access Management and DynamoDB.
• Experience developing scalable, secure, and highly available cloud-native applications.
• Experience with CI/CD pipelines and deployment automation.
• Strong SQL-development and query-optimization skills.
• Strong experience with SQL Server and PostgreSQL.
• PostgreSQL experience covering database design, indexing, partitioning, and performance tuning.
• Experience with relational data modeling and database-migration strategies.
• Experience with Git-based source control and collaborative development workflows.
• Hands‑on experience with unit testing and integration testing.
• Strong debugging, production-support, root-cause analysis, and application-performance tuning skills.
• Experience working in Agile or Scrum delivery environments.
• Ability to participate in technical discussions and mentor junior developers.
• Strong written and verbal communication skills, with effective stakeholder-management capabilities.
• Ability to work independently and take ownership of technical initiatives.

Nice to Have Skills

• Experience with Amazon OpenSearch Service or Elasticsearch.
• Knowledge of event-streaming platforms such as Apache Kafka.
• Experience containerizing applications using Docker.
• Experience deploying or operating containerised applications using Kubernetes.
• Familiarity with advanced application monitoring, distributed tracing, centralised logging, and operational observability.

Our Commitment to Diversity & Inclusion

Did you know that Apexon has been Certified by Great Place To Work®, the global authority on workplace culture, in each of the four regions in which it operates: USA for the seventh time in 2026, India for the tenth consecutive time in 2026, the UK for the fourth time in 2026, and Mexico for the second time in 2026. Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. You can read about our Job Applicant Privacy policy here: Job Applicant Privacy Policy on apexon.com.

Our Commitment to Environment

Actively contribute to Apexon's commitment to environmental responsibility by following sustainable practices and supporting ESG initiatives.

Our Perks and Benefits

Our benefits and rewards program has been thoughtfully designed to recognize your skills and contributions, elevate your learning/upskilling experience, and provide care and support for you and your loved ones. As an Apexon Associate, you get continuous skill-based development, opportunities for career advancement, and access to comprehensive health and well-being benefits and assistance.

We also offer:

• Group Health Insurance covering family of 4
• Term Insurance and Accident Insurance
• Paid Holidays & Earned Leaves
• Employee Wellness

Recruitment Fraud Notice

Note: Apexon does not request or accept any fees or payments from candidates at any stage of recruitment, including interviews, offer letters or training. Any such payment request is unauthorised and is not made on behalf of Apexon. Candidates are advised to verify recruitment communications through Apexon’s office