π§ towfiq.106@gmail.com | π± +8801823923023 | π Portfolio | π Bangladesh
Senior Software Engineer with 4.5+ years of experience in developing enterprise-level applications, specializing in Java/Spring Boot, Blockchain, and IoT solutions. Proven track record in remote collaboration with international teams and delivering high-impact projects for Swiss and Bangladesh-based companies. Demonstrated expertise in financial technology, blockchain implementation, and IoT solutions.
Core Technologies
- Languages: Java (Spring Boot, Camel), JavaScript
- Databases: PostgreSQL, MySQL, Oracle, TimescaleDB, Cassandra
- Cloud & DevOps: AWS, Azure, Docker, Jenkins, CI/CD
Specialized Skills
- Blockchain: Web3J, Smart Contracts
- IoT: ThingsBoard, MQTT, CoAP, SNMP
- Security: OAuth2, KeyCloak
- Infrastructure: NGINX, Tomcat, GlassFish
Development Tools & Practices
- Testing: JUnit, Rest Assured, K6
- Version Control: Git
- Methodologies: Agile/Scrum
- API Development: REST, WebSocket
Senior Software Engineer (Remote)
Exabyting | May 2024 - Present
Currently advancing enterprise solutions with focus on scalable architecture and innovative technologies
Software Engineer (Remote)
SELISE, ZΓΌrich, Switzerland | Nov 2021 - Apr 2024
- Led development of blockchain-based supply chain solutions for Swiss clients
- Engineered high-performance software solutions with 20%+ efficiency improvements
- Implemented secure transaction systems using blockchain technology
- Collaborated with international teams in an agile environment
- Maintained high code quality through comprehensive testing and reviews
- Led a 3-member team, ensuring consistent on-time delivery
Software Engineer (Remote)
Exabyting, Dhaka, Bangladesh | Dec 2019 - Nov 2021
- Spearheaded development of government and private sector web applications
- Collaborated with bKash Limited's Solution Engineering Team
- Implemented clean coding practices and design patterns
- Managed complete software development lifecycle in Agile environment
Urstamm - Digital Proof of Origin Platform (Oct 2023 - Apr 2024)
Swiss Digital Solution Company
- Achieved 20% performance boost through query optimization
- Implemented blockchain for secure data storage
- Developed batch processing pipeline for 0.5GB legacy data
- Created intuitive supply chain visualization tools
- Tech Stack: Java 11, Spring Boot, Web3J, PostgreSQL, Spring Batch, JHipster
Tesenso Middleware - IoT Platform (Jun 2022 - Dec 2023)
Tesenso
- Extended ThingsBoard with advanced features and integrations
- Implemented multi-tenant IoT solution handling millions of data points
- Developed custom rule nodes for MBUS, SOAP, and Loriot
- Engineered real-time data processing with WebSocket
- Tech Stack: Java, Spring Boot, PostgreSQL, TimescaleDB, Redis, Angular
MULTIBANK - Financial Services Platform
bKash Limited
- Implemented secure SFTP communication channels
- Developed async email notification system
- Created configurable maker-checker approval workflow
- Tech Stack: Java (Spring Boot), MySQL, Spring Integration, JQuery
- ThingsBoard: Contributed to core platform development
- Pull Request: #6614
Bachelor of Science in Computer Science and Engineering
International Islamic University Chittagong
2014 - 2019
- English: Professional Working Proficiency
- Bengali: Native
- Remote Work Experience: 4+ years with international teams
- Team Leadership: Led multiple 3-5 member teams
- Project Management: Agile/Scrum methodology
- Client Communication: Direct interaction with international clients