Available to hire
I am Jamal Altan, a software engineer with 4+ years of experience, focused on building independent, human-centered systems.
I enjoy turning complex problems into practical, scalable software solutions, with hands-on experience in web development, cloud infrastructure, and technical consulting for clients.
Skills
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Experience Level
Expert
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Language
Turkish
Fluent
English
Fluent
Work Experience
Software Engineer at Mazaka Soft
July 1, 2025 - PresentDeveloped web applications and provided technical consulting for clients projects. Built and maintained cloud infrastructure (mail systems, servers, security, automation). Provided cost analysis, budgeting and technical guidance for agency projects.
Full Stack Software Engineer at Freelance
February 1, 2025 - PresentDeveloped custom web applications using React, Node.js and Express. Designed and managed cloud infrastructure on AWS and Google Cloud. Set up and maintained Mailcow mail servers, including SMTP relay (AWS SES / Azure) and deliverability optimization. Built PostgreSQL-based backend services and deployed on Linux/Ubuntu servers.
SWE & Business Analyst at Invest Barter International
January 1, 2024 - February 1, 2025Solved and managed online payment systems and e-commerce solution on app.investbarter.com. Developed and planned accounting and crm application for company operations. Created business strategies and solved critical problems for customers.
C /C++ Developer at VOIPZeker
June 1, 2023 - January 1, 2024Developed enhancements on Kamailio (proxy, load balancer) and FreeSWITCH with C/C++ for VoIP systems. Worked with protocols (TCP, UDP, WS/WSS, HTTP, TLS, RTP, SIP) for secure real-time media transmission. Debugged and optimized system-level applications using gdb and socket programming.
Software Developer at Transolt Self-Driving Technologies
May 1, 2022 - April 30, 2023Worked with communication protocols (TCP/IP, UDP/IP, Ethernet/IP, Modbus) to develop multiple system-level applications. Created a REST API-based application that effectively communicates with a server. Conducted tests on autonomous vehicles (AGV) produced by the company.
Education
Bachelor's degree in Computer Engineering at Erciyes University
January 11, 2030 - December 29, 2025Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Professional Services
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
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