Principal Engineer - Full Stack Developer

Job Title

Principal Engineer I - Full Stack Developer

Block 23

We are looking for a highly skilled Principal Engineer I - Full stack developer with expertise in designing, developing, and optimizing high-volume and high-performance applications. This role requires deep knowledge of front-end and back-end technologies, microservices architecture, APIs, and cloud-based database management. The ideal candidate will have experience in managing SQL and No

SQL Azure-managed databases (Azure SQL and Azure Cosmos DB) and will play a key role in ensuring application security, scalability, and reliability.

• Architect, design, and develop high-performance, high-volume payment channel applications with a focus on security, scalability, and reliability.
• Lead front-end development using Angular
  
  JS, HTML, CSS, ensuring responsive, efficient, and intuitive user interfaces.
• Implement advanced .NET backend development concepts, including asynchronous programming, multithreading, dependency injection, and API optimizations.
• Design and manage RESTful and Graph
  
  QL APIs, ensuring rate limiting, authentication, authorization, observability, and efficient data processing.
• Develop and manage microservices architecture, implementing event-driven patterns, API gateways, service discovery, and containerization.
• Ensure application performance optimization, including caching strategies, database indexing, and load balancing.
• Manage and optimize Azure SQL and Azure Cosmos DB, ensuring efficient data modeling, partitioning strategies, and query performance tuning.
• Implement Dev Sec Ops  best practices, including CI/CD pipelines, automated security testing, and infrastructure-as-code deployment.
• Integrate advanced SDLC (Software Development Life Cycle) practices to ensure high-quality code, test-driven development (TDD), and continuous integration.
• Strengthen application security through OWASP best practices, API security mechanisms, secure coding principles, and identity management.
• Work in a fast-paced, agile environment, collaborating with cross-functional teams to drive innovation and deliver payment solutions.
• Implement observability tools (such as App Dynamics, ELK, and Grafana) to monitor application performance and troubleshoot issues proactively.
• Mentor junior engineers and contribute to the overall technical excellence of the team.

• 8+ years of experience in full-stack development, with expertise in Angular
  
  JS and .NET.
• Bachelor’s degree in related field required;
  Masters or MBA in related field preferred.
• Proven experience in developing high-volume, high-performance applications for payment channels or financial services.
• Strong hands‑on experience with Azure SQL and Azure Cosmos DB, including query optimization and partitioning strategies.
• Expertise in designing and managing APIs and microservices architecture with advanced security and scalability considerations.
• Deep understanding of application security, Dev Sec Ops , and secure coding practices.
• Experience with modern SDLC and Agile methodologies, CI/CD pipelines, and automated deployment strategies.
• Strong troubleshooting and debugging skills, with expertise in performance monitoring and tuning.
• Excellent communication and leadership skills, with the ability to mentor engineers and drive innovation.
• Advanced to expert knowledge of applicable regulatory and legal compliance obligations, rules and regulations, industry standards and practices.
• Advanced to expert experience in leading cross‑functional teams and managing multiple projects simultaneously with an established expertise in one or more key domains of the bank (Deposits, Loans, Operations or Reporting) with the ability to walk through top‑level process design. Capable of working with regulatory partners like the CFPB, OCC and FRB through audits and collaboration efforts as situations arise.
• Advanced to expert familiarity with the capability model across IT and the applications and infrastructures available for engagement in solutioning across the bank to develop results that leverage existing capabilities in addition to implementing new solutions when required. Experience in the design,…