RANJAY KUMAR SINGH

• Worked on the migration of the AT&T ASEOD (ASE Switiched Ethernet on Demand) order management and service delivery platform from legacy API-based service to a Temporal Workflow-based microservices architecture.
• Develped and enhanced workflows for Order Capature(OCX) and Order Management(OMX) to automate order orchestration, provisioning, validation, enrichment, and service activation.
• Supported Ethernet service provisioning for Point-to-Point (PTP), Multipoint(MTP), and Internet Ethernet Virtual Connection(IEVC) order across In-Region(IR) and Out-of-Region(OOR) deployment
• Implemented business workflows for New, Change, Disconnect and Supplemental(Supp) orders, including order validation, circuit assignment, provisioning, billing handoff and exception handling.
• Integrated with multiple enterprises provisioning and inventory system such as CANOPI,PED, INSTAR, DSCAT,PINV, BGW/BBGW, USRP and EFMS through Temporal orchestration.

Designed and developed Fuhrpark business modules using Java and Spring Boot, enabling scalable document generation
Integrated RESTful APIs for real-time data synchronization across dashboards and workflows
Actively contributed to Agile ceremonies, user story delivery, defect resolution, and QA support

OneData is a Function-as-a-Service (FaaS) platform undergoing migration from Splunk to ELFAS as the centralized logging and monitoring solution
Played a key role in the migration of logging infrastructure from Splunk to ELFAS, ensuring minimal impact on production and QA environments
Analyzed unstructured and customized log formats across multiple OneData functions to identify gaps affecting monitoring
Identified and classified PI data from Production and QA logs, ensuring compliance with security and data privacy standards

• The Loan IQ project focuses on consolidating and modernizing loan portfolios for banks
  Enhanced the Loan IQ platform to help banks consolidate and modernize their loan portfolios
  Enabled seamless digital and FinTech integrations through BIAN-aligned APIs
  Transformed the user experience from a thick-client to a modern web-based interface
• Developed scalable backend services using Java and Spring Framework.
• Designed RESTful APIs to enhance application functionality and user experience.
• Collaborated with cross-functional teams to integrate microservices architecture.
• Optimized database queries, improving data retrieval efficiency in cloud environments.

OCE expanded its scope by partnering with CSO to assist users in establishing compliant and secure connectivity
Contributed to the redesign and enhancement of the Request for Assistance process for VPN connectivity support
Collaborated with CSO to ensure compliance with Unrestricted VPN access requirements
Integrated CENET WES data feeds for accurate personnel data updates

• Led development of scalable Java applications, improving system performance and reliability.
• Mentored junior developers, fostering skills in object-oriented programming and best practices.
• Designed and implemented RESTful APIs, enhancing integration with third-party services.
• Collaborated with cross-functional teams to define project scope and deliverables, ensuring alignment with business goals.

RoadWarrior is an insurance and roadside assistance application providing vehicle support and coverage
Designed application architecture and workflows using industry-standard design patterns
Participated in all phases of the Software Development Life Cycle (SDLC)
Collaborated closely with Business Analysts for requirements gathering and analysis