.Net Lead with OpenSearch

Centraprise; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Centraprise in New York, NY is seeking an experienced .NET Lead to design, develop, and lead cloud-native, search-driven applications. You will architect microservices, implement REST APIs, and guide teams across OpenSearch/Elasticsearch with AWS services to deliver scalable solutions.

You will mentor developers, drive engineering best practices, and evaluate emerging AI technologies including Generative AI, shaping modernization initiatives within a fast-paced enterprise environment.

Qualifications

• 8+ years of software development experience with C# and .NET.
• Bachelor's degree in CS/IT/Engineering or equivalent.
• Hands-on OpenSearch/Elasticsearch experience (2+ years).
• Experience with AWS services including Lambda, API Gateway, SQS, SNS, Step Functions, S3, and RDS.

Responsibilities

• Lead design, development, and deployment of enterprise-grade apps using C#, .NET Framework, .NET Core, and .NET 6/7/8.
• Architect and implement scalable microservices and event-driven solutions.
• Design and develop RESTful APIs and backend services.
• Build, optimize, and maintain OpenSearch/Elasticsearch-based search solutions.
• Define indexing strategies, optimize search queries, and improve search performance.
• Develop integrations between applications and OpenSearch platforms.
• Leverage AWS services such as Lambda, API Gateway, SQS, SNS, Step Functions, S3, and RDS.
• Collaborate with product owners, architects, and stakeholders to translate requirements into solutions.
• Mentor developers, conduct code reviews, and establish engineering best practices.
• Evaluate and implement Generative AI and Agentic AI frameworks.

Skills

C#

.NET

Microservices

REST APIs

Event-driven

OpenSearch/Elasticsearch

AWS

Leadership

Communication

Problem-solving

Education

Bachelor's degree in Computer Science or related

Tools

OpenSearch

Kubernetes

CI/CD pipelines

Job description

.NET | OpenSearch (optional) | AWS | Microservices | Generative AI

We are seeking an experienced .NET Lead with OpenSearch expertise to design, develop, and lead the delivery of scalable, cloud-native applications. The ideal candidate will have strong experience in modern .NET technologies, microservices architecture, AWS cloud services, and search-driven applications powered by OpenSearch/Elasticsearch. This role requires a technical leader who can drive architecture decisions, mentor development teams, and deliver high-performance solutions in a fast-paced environment.

WHAT YOU'LL DO

• Lead the design, development, and deployment of enterprise-grade applications using C#, .NET Framework, .NET Core, and .NET 6/7/8.
• Architect and implement scalable microservices and event-driven solutions.
• Design and develop RESTful APIs and backend services.
• Build, optimize, and maintain OpenSearch/Elasticsearch-based search solutions.
• Define indexing strategies, optimize search queries, and improve search performance.
• Develop integrations between applications and OpenSearch platforms.
• Leverage AWS services such as Lambda, API Gateway, SQS, SNS, Step Functions, S3, and RDS.
• Collaborate with product owners, architects, and business stakeholders to translate requirements into technical solutions.
• Mentor developers, conduct code reviews, and establish engineering best practices.
• Evaluate and implement emerging AI technologies, including Generative AI and Agentic AI frameworks.
• Drive application modernization and cloud-native adoption initiatives.

WHAT YOU BRING

Must Have

• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.
• 8+ years of software development experience with strong expertise in C# and .NET technologies.
• Hands-on experience with .NET Framework, .NET Core, and .NET 6/7/8.
• Strong understanding of microservices, REST APIs, and event-driven architecture.
• Experience working with AWS cloud services including Lambda, API Gateway, SQS, SNS, Step Functions, S3, and RDS.
• Minimum 2+ years of hands-on experience working with OpenSearch/Elasticsearch, including:
• Designing and implementing search solutions.
• Developing integrations with enterprise applications.
• Defining indexing and search optimization strategies.
• Building search-driven applications and services.
• Performance tuning and query optimization.
• Experience leading development teams and driving technical initiatives.
• Strong problem-solving, communication, and stakeholder management skills.

Good to Have

• AWS Certifications such as Solutions Architect, Developer, or DevOps Engineer.
• Experience with Generative AI, Large Language Models (LLMs), and Retrieval-Augmented Generation (RAG).
• Hands-on knowledge of AWS Bedrock and Agentic AI frameworks.
• Experience with Prompt Engineering and Vector Databases.
• Exposure to CI/CD pipelines, containerization, and Kubernetes.
• Prior experience in financial services, banking, or other highly regulated industries.

WHY YOU'LL LIKE IT HERE

An employee-first culture, continuous learning opportunities, exposure to cutting-edge cloud and AI technologies, challenging enterprise-scale projects, and significant opportunities for career growth and leadership development.

EQUAL OPPORTUNITY

We are an equal opportunity employer and celebrate diversity. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to creating an inclusive environment for all employees.