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I am Muhammad Hassan ul Islam, a results-oriented software engineer with 12+ years of experience building scalable enterprise applications across travel, healthcare, and telecommunications. I specialize in microservices architectures, API development, database design, and performance optimization, with a strong focus on cloud-native backend systems and secure integrations. My work spans designing robust services, steering architectural decisions, and delivering production-ready solutions that scale with business needs. I translate complex business requirements into reliable technical solutions, improve system stability, and drive backend excellence. I value analytical problem-solving, clean coding practices, and collaboration across cross-functional teams to deliver high-quality software on time and with quality metrics in mind.…I am Muhammad Hassan ul Islam, a results-oriented software engineer with 12+ years of experience building scalable enterprise applications across travel, healthcare, and telecommunications. I specialize in microservices architectures, API development, database design, and performance optimization, with a strong focus on cloud-native backend systems and secure integrations. My work spans designing robust services, steering architectural decisions, and delivering production-ready solutions that scale with business needs. I translate complex business requirements into reliable technical solutions, improve system stability, and drive backend excellence. I value analytical problem-solving, clean coding practices, and collaboration across cross-functional teams to deliver high-quality software on time and with quality metrics in mind.

Muhammad Hassan ul Islam

Full Stack Developer, Back-End Developer, DevOps Developer, +3

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I am Muhammad Hassan ul Islam, a results-oriented software engineer with 12+ years of experience building scalable enterprise applications across travel, healthcare, and telecommunications. I specialize in microservices architectures, API development, database design, and performance optimization, with a strong focus on cloud-native backend systems and secure integrations. My work spans designing robust services, steering architectural decisions, and delivering production-ready solutions that scale with business needs. I translate complex business requirements into reliable technical solutions, improve system stability, and drive backend excellence. I value analytical problem-solving, clean coding practices, and collaboration across cross-functional teams to deliver high-quality software on time and with quality metrics in mind.…I am Muhammad Hassan ul Islam, a results-oriented software engineer with 12+ years of experience building scalable enterprise applications across travel, healthcare, and telecommunications. I specialize in microservices architectures, API development, database design, and performance optimization, with a strong focus on cloud-native backend systems and secure integrations. My work spans designing robust services, steering architectural decisions, and delivering production-ready solutions that scale with business needs. I translate complex business requirements into reliable technical solutions, improve system stability, and drive backend excellence. I value analytical problem-solving, clean coding practices, and collaboration across cross-functional teams to deliver high-quality software on time and with quality metrics in mind.

Available to hire

I am Muhammad Hassan ul Islam, a results-oriented software engineer with 12+ years of experience building scalable enterprise applications across travel, healthcare, and telecommunications. I specialize in microservices architectures, API development, database design, and performance optimization, with a strong focus on cloud-native backend systems and secure integrations. My work spans designing robust services, steering architectural decisions, and delivering production-ready solutions that scale with business needs.

I translate complex business requirements into reliable technical solutions, improve system stability, and drive backend excellence. I value analytical problem-solving, clean coding practices, and collaboration across cross-functional teams to deliver high-quality software on time and with quality metrics in mind.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Data Engineer at Data Analytics B.V

August 1, 2023 - September 1, 2025

Built customer data connectors using Node.js and Python for automated data retrieval; developed scalable ETL pipelines with Python, PySpark, and SQL; managed large datasets with Hadoop ecosystem (HDFS, Hive, YARN); designed real-time ingestion workflows with Apache Kafka for streaming and event-driven processes; orchestrated cloud-based data pipelines on Azure using Data Factory, Databricks, and Data Lake Storage.

Senior Principal Software Engineer at TEO

March 1, 2022 - July 1, 2023

Designed and implemented 2FA and SSO solutions to strengthen security; implemented Git Flow and managed CI/CD pipelines to automate deployments; collaborated with clients to gather requirements and ensure alignment; performed code reviews and second-level production support; oversaw deployment processes for reliable application updates.

Senior Consultant at Systems Limited

May 1, 2021 - March 1, 2022

Maintained modules, designed data flow architectures to improve system performance and scalability; developed backend systems using JSF, PrimeFaces, Microservices, JBPM, and PostgreSQL to support seamless service integration.

Junior Research Officer at Public Sector Organization

August 1, 2016 - April 1, 2021

Gathers requirements, proposes optimized solutions with time and cost estimates, develops new modules and integrates them with existing systems; designs database structures and contributes to overall system architecture; tests products in real-world scenarios to ensure functionality and stability.

Senior Backend Engineer (Freelance Consultant) at Apostrophy

March 1, 2015 - Present

Developed Java/Spring Boot microservices for a high-performance user profile mobile application; built a microservices architecture with Spring Cloud and Spring Data JPA, integrated MSSQL; automated CI/CD pipelines on Azure and provisioned cloud infrastructure using Terraform; integrated Azure Form Recognizer for automated document data extraction; implemented Camunda 8 workflows for process automation and modernization of legacy data mappings.

Senior Associate Java Developer at 3AMD Interactive PVT (ltd)

March 1, 2014 - June 1, 2016

Developed backend systems for mobile applications using Java, JSP, and JAX-RS; managed MySQL databases; designed, developed, and documented REST APIs using Enunciate for seamless system integration.

Software Engineer at Evamp&Saange

August 1, 2013 - March 1, 2014

Developed mobile app content management systems and Java-based web interfaces for telecommunications reporting portals, improving user interaction and data presentation; managed and maintained Linux-based services to ensure system stability and optimal performance.