EXPLORE

Electronics Embedded Systems Microcontroller PCB Layout Wireless
Profile cover photo
User Avatar

Julian Mendez M.

@julianm260

monthly-level-three.svg
5.0
1

4.4

4.4

100%

✅✅✅ Senior Electronic & Embedded Engineer ✅✅✅

$60 USD / Hour

Flag of

Colombia (8:16 AM)

Joined on November 17, 2025

$60 USD / Hour

Senior Electronics Engineer with over 8 years of experience in RF engineering, embedded systems, and high-power electronic and power-distribution design. Skilled in circuit design, PCB layout, firmware development (C / C++ / embedded), power electronics and high-power systems analysis. Proven track record designing, testing and delivering robust hardware solutions, from RF modules and embedded controllers to power converters and electrical distribution systems. Experienced in carrying projects from concept through design, simulation, validation, documentation, and final implementation - always ensuring compliance with safety, reliability, and performance standards. Strong troubleshooting, system integration and project-management skills, able to collaborate with multidisciplinary teams and deliver high-quality results under tight deadlines.

Verifications

On time

100%

On budget

100%

Accept rate

100%

Repeat hire rate

100%

Portfolio

Portfolio

13711792
13711790
13711784
13711792
13711790
13711784
5.0 · 1 Review
1 Review
User Avatar
Flag of

Antoine D.

5.0

$1,500 USD

6 months ago

KiCad Schematic Review & PCB Layout

Excellent Job by Julian, i will definitely work with him again in the future ! Great job explaining the issue and the possible outcomes. Very satisfied with the quality of the work delivered !

Share

Experience

RF Engineer

Jan, 2025 - Present

1 year, 4 months

Ericsson de Colombia S.A.

Jan, 2025 - Present

1 year, 4 months

-Performed RF planning, optimization, and field measurements for 3G/4G/5G networks across major Colombian regions. -Conducted drive tests, KPI analysis, and troubleshooting to improve network coverage, capacity, and quality. -Used tools like TEMS, Atoll, and Nemo for propagation modeling, frequency planning, and parameter tuning. -Collaborated with cross-functional technical teams and carrier operators (Claro, Movistar, Tigo) to deploy new sites and upgrade existing infrastructure.

Flag of

Bogota, Colombia

Jan, 2025 - Present

1 year, 4 months

RF / Embedded Systems Engineer

Apr, 2023 - Dec, 2024

1 year, 8 months

Huawei Technologies Colombia S.A.S.

Apr, 2023 - Dec, 2024

1 year, 8 months

-Designed, tested, and validated embedded RF modules used in telecom equipment and IoT hardware. -Worked with microcontrollers, RF front-ends, and communication protocols (LTE/NR, LoRa, Wi-Fi). -Developed firmware in C/C++ for real-time control, signal processing, and device communication.

Flag of

Bogotá, Colombia

Apr, 2023 - Dec, 2024

1 year, 8 months

High-Power Systems Engineer

May, 2021 - Apr, 2023

1 year, 10 months

ABB Colombia Ltda.

May, 2021 - Apr, 2023

1 year, 10 months

-Designed and analyzed high-power electrical systems for industrial and utility projects, including substations, power converters, and distribution equipment. -Performed load flow studies, short-circuit analysis, grounding design, and equipment sizing. -Supported installation and commissioning of high-power equipment such as transformers, switchgear, and power electronics systems.

Flag of

Bogotá, Colombia

May, 2021 - Apr, 2023

1 year, 10 months

Education

Universidad Nacional de Colombia

2018 - 2022

4 years

Bachelor of Science (B.S.) in Electronic Engineering or Telecommunications Engineering

Flag of

Colombia

2018 - 2022

4 years

Certifications

P

Preferred Freelancer Program SLA

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)