David Selenga Liandja

David Selenga Liandja Chad Road, Retreat, Cape town,South Africa 7945 | - |-| www.linkedin.com/in/david-selenga-liandja-721a01173 | Portfolio: https://david-liandja-portfolio.netlify.app/ Professional Profile Versatile and results-driven Software Developer with a strong foundation in public health and a growing expertise in software development and web technologies. Transitioning seamlessly into tech with hands-on experience in JavaScript, Python, SQL, and full-stack web development, complemented by multiple industry-recognized certifications. Proficient in designing and developing responsive web applications, implementing Agile methodologies, and working with Git, GitHub, and Test-Driven Development (TDD). Adept at problem-solving, debugging, and data-driven decision-making, with a passion for bridging technology and public health solutions. Currently advancing my technical expertise through Code Your Future’s intensive Software Development program, while actively seeking opportunities to apply my skills in software development, IT support, or Data Analytic roles. A highly adaptable professional with strong analytical skills, cross-functional teamwork experience, and a commitment to continuous learning. Experience SOFTWARE DEVELOPER | FREELANCE | SEPTEMBER 2016 – TO CURRENT ● ● Provided post-launch support by troubleshooting issues, implementing updates, and training clients on website maintenance. Designed and developed responsive websites, leveraging HTML, CSS, JavaScript, and React, achieving 98% client satisfaction. Projects links: 1] 2] 3] https://bengifilm-7bcde.web.app/ https://apacci-film.netlify.app/ https://cfy-apachitech-tv-show.netlify.app/ Transferable Skills: Front-end development expertise, debugging skills, stakeholder management. communication, project JUNIOR SOFTWARE DEVELOPER ( Trainee ) | CODE YOUR FUTURE | OCTOBER 2024 – Present ● ● ● ● ● Developed projects using JavaScript, Python, and SQL, following Agile workflows. Worked with Git and GitHub, managing tasks via Kanban boards and pull requests.. Participated in pair programming and code reviews with industry professionals. Built simple applications with Test-Driven Development (TDD) and unit testing. Improved professional communication, problem-solving, and remote collaboration skills. Transferable Skills: Hands-on experience during training program. HOSTEL CONCIERGE | THINTELA GROUP | DECEMBER 2019 – MARS 2024 ● ● Collaborated with Human Resources to develop security protocols, showcasing analytical and problemsolving skills transferable to IT and cybersecurity roles. workplace violence prevention, and emergency response protocols. ● ● Assisted in developing comprehensive security policies to address potential risk and protect company assets. Oversaw daily monitoring and patrolled buildings, grounds, and work sites. Transferable Skills: Analytical problem-solving, risk mitigation, cross-functional team leadership, system development for safety protocols. COMPUTER TECHNICIAN | DADHOVE COMPUTER REPAIR SHOP | JUNE 2012 – MAY 2013 ● ● ● Provided computer repair services to small businesses and private customers. Tuned systems to boost performance. Established, repaired and optimized networks by installing wiring, cabling and devices. Transferable Skills: Troubleshooting, IT infrastructure optimization, customer engagement, hardware and software expertise. FRENCH & MATHS TEACHER | SODIMICO HIGH SCHOOL | SEPTEMBER 2007 – SEPT 2011 ● ● ● Taught daily classes in algebra and French courses. Worked with other teachers and administrators to evaluate and revise elementary school programs. Initiated communication with students to address learning concerns and offer additional guidance for independent study. Transferable Skills: Effective communication, mentorship, systematic planning, educational technology integration. Education ● ● ● SOFTWARE ENGINEERING | CODE YOUR FUTURE | SEPTEMBER 2024 - PRESENT BAC+3 IN PUBLIC HEALTH | UNIVERSITY OF KASUMBALESA / LUBUMBASHI | 2009 NATIONAL DIPLOMA / MATRIC EQUIVALENT | MIDDLE COLLEGE LANKWAN | JULY 2003 Certifications ● ● ● ● ● ● ● ● INTRO TO PROGRAMMING | CODE YOUR FUTURE | 2025 INTRO TO DIGITAL | CODE YOUR FUTURE | 2024 CISCO NETWORK TECHNICIAN | CISCO NETWORKING ACADEMY | APR 2024 CISCO JUNIOR CYBERSECURITY | CISCO NETWORKING ACADEMY | APRIL 2024 CLOUD COMPUTING 101 | AMAZON WEB SERVICE | JANUARY 2024 RESPONSIVE WEB DESIGN | FREECODECAMP | JULY 2022 COMPTIA A+ PRACTICAL | MASTER GRADE IT | OCT 2016 COMPLETE WEB DEVELOPMENT | UDEMY | SEPT 2016 Skills & Abilities Web Development: HTML5, CSS3, SCSS, Bootstrap, React Programming Languages: Python, JavaScript, PHP Data Analysis: Bio-statistics, SQL, Spreadsheet, and database management Tools and Platforms: Git, VS Code, Linux, Figma, Soft Skills: Problem-Solving, Agile Methodologies, Team Collaboration, Remote Work Other Skills: SEO, API Integration, Cybersecurity, Jest Testing. Languages: English (Upper-Intermediate B2), French ( Native ), Swahili: Intermediate. Activities and Interests ● ● Dedicated to continuous learning and staying at the forefront of technological advancements. Learning new programming languages, coding.