SR SOFTWARE DEV CONSULTANT II-INDIA

Lumen Technologies; Bengaluru; On-site; INR 1,200,000 - 2,800,000; Full time

Job summary

Lumen Technologies is seeking a skilled .NET Developer for a high-ownership role in Bengaluru, India. You will design, develop, and maintain enterprise-grade applications on Microsoft .NET and Azure, collaborating with global teams and stakeholders.

You will build RESTful APIs, migrate legacy code to modern frameworks, and ensure secure, scalable cloud-native solutions across financial processes.

Qualifications

• Bachelor's degree in Computer Science/Engineering.
• Minimum 5 years of hands-on software development experience with C# and .NET/.NET Core.
• Strong experience with ASP.NET Core Web API, EF/EF Core, and LINQ.
• Solid hands-on experience with Microsoft Azure services and cloud-native development.
• Strong SQL Server experience: T-SQL, procedures, functions, performance tuning.

Responsibilities

• Design, develop, test, and deploy scalable applications using C#, .NET/.NET Core, and ASP.NET Core.
• Build and maintain RESTful APIs and microservices that integrate with internal financial systems and third-party platforms.
• Develop and manage cloud solutions on Microsoft Azure, including App Services, Functions, Service Bus, Key Vault, Storage, API Management.
• Migrate legacy .NET Framework applications to .NET Core/.NET 8+ and cloud-native designs.
• Provide production support: troubleshoot incidents, root cause analysis, and permanent fixes within SLAs.

Skills

C#

.NET Core

ASP.NET Core

Azure

SQL Server

REST APIs

Microservices

GitHub Actions

OAuth/OpenID Connect

Agile/Scrum

Education

Bachelor's degree in Computer Science/Engineering

Tools

GitHub

Jira

Confluence

Azure DevOps

Job description

Location: BANGALORE, IN, 560103 HOME, IN, 560094

Company: Lumen Technologies

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.

The Role

About the Role

Lumen's Customer Financial Services’ Business Support Systems team builds and runs the applications behind billing, payments, collections, credit, and other customer financial processes. We're looking for a skilled .NET Developer to design, develop, support, and improve business-critical applications on Microsoft .NET and Azure.

You'll work in a globally distributed team with engineers, analysts, and business partners in India and the United States. The team is also working with leading technology partners to build AI-powered workflows and applications, so there's a real chance to work on modern cloud and AI solutions alongside core enterprise development.

The Main Responsibilities

Key Responsibilities

• Design, develop, test, and deploy scalable applications using C#, .NET / .NET Core, and ASP.NET Core.
• Build and maintain RESTful APIs and microservices that integrate with internal financial systems and third-party platforms.
• Develop and manage cloud solutions on Microsoft Azure, including App Services, Azure Functions, Service Bus, Key Vault, Storage, and API Management.
• Design, develop, and optimize Microsoft SQL Server databases, including schemas, stored procedures, functions, views, and queries that support financial applications.
• Enhance and modernize existing applications, including migrating legacy .NET Framework applications to .NET Core / .NET 8+ and cloud-native designs.
• Provide production support: troubleshoot incidents, do root cause analysis, and put permanent fixes in place within agreed SLAs.
• Write clean, maintainable, well-documented code that follows SOLID principles and established design patterns.
• Write unit and integration tests and take part in code reviews to keep quality high.
• Build and maintain CI/CD pipelines using GitHub Actions, and manage code through GitHub (branching, pull requests, and code reviews).
• Work with US-based stakeholders and team members to gather requirements, refine user stories in Jira, and deliver in an Agile/Scrum setting, including some overlap with US business hours when needed.
• Follow security, compliance, and data privacy standards for financial and customer data.
• Contribute to AI-enabled workflows and applications as the team's AI roadmap develops

What We Look For in a Candidate

• Bachelor's degree in Computer Science/ Engineering with minimum 5 years of hands‑on software development experience with C# and .NET / .NET Core.
• Strong experience with ASP.NET Core Web API, Entity Framework / EF Core, and LINQ.
• Solid hands‑on experience with Microsoft Azure services and cloud-native development.
• Strong hands‑on experience with Microsoft SQL Server: writing complex T‑SQL queries, stored procedures, functions, triggers, and views; indexing and performance tuning; reading execution plans; and data modeling.
• Understanding of transactions, locking, and data integrity when working with financial data.
• Experience designing and consuming RESTful APIs; familiarity with microservices architecture.
• Good grasp of object‑oriented programming, design patterns, and SOLID principles.
• Experience with Git and GitHub, including branching strategies, pull requests, and CI/CD with GitHub Actions.
• Understanding of application security practices, including OAuth 2.0, OpenID Connect, Azure AD / Entra ID, and secure handling of sensitive data.
• Experience supporting production applications, including monitoring, logging, and incident resolution (e.g., Application Insights, Azure Monitor).
• Experience working in Agile/Scrum teams using Jira (Confluence is a plus).
• Excellent communication skills and the ability to collaborate across time zones with US-based teams.

Requisition #: 343993

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

Privacy Notice

Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our ApplicantPrivacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.

The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

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