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Ada MECEFFEUK

@adameceffeuk

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Backend-focused software engineer building scalable Python FastAPI systems for logistics and ecommerce.

Algeria

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What I'm looking for

I’m ready to start work immediately. I’m looking for a backend role where I can build scalable APIs and data-intensive systems, own architecture, improve CI/CD and reliability, and mentor teams while continuing to optimize performance.

I’m a Software Engineer with 4 years of experience building scalable backend systems using Python, FastAPI, and PostgreSQL. I’ve specialized in logistics and ecommerce platforms, with hands-on work across API design, cloud deployment, caching, background processing, and database optimization.

Most recently, as Software Engineer – Team Lead at Maystro Delivery, I led a backend squad for core warehousing and fulfilment services—overhauling inventory management for item-level traceability and improving fulfilment workflows. I developed and maintained FastAPI backend services powering MyMaystro (20K+ users), added Flake8/Black quality gates to CI/CD, and optimized PostgreSQL queries/indexing to reduce database load and lower cloud infrastructure costs by 15%, earning Employee of the Year (2024) and (2023) previously.

Experience

Work history, roles, and key accomplishments

Software Engineer – Team Lead

Maystro Delivery

May 2024 - Jun 2026 (2 years 1 month)

Led a backend squad for core warehousing and fulfilment services, including agile sprint planning, PR review, and mentoring junior engineers. Overhauled inventory and fulfilment architecture and developed scalable FastAPI services using Redis, optimizing PostgreSQL performance and reducing cloud infrastructure costs by 15%.

Team Leadership Agile Scrum Sprint Planning Mentoring fastAPI Redis API Design CI CD Flake8 Black PostgreSQL Query Optimization Indexing Inventory Management Cost Optimization

Backend Developer

Maystro Delivery

Mar 2022 - Feb 2024 (1 year 11 months)

Designed and implemented backend services including a multi-warehouse order allocation engine routing 50k+ weekly orders and a dynamic delivery pricing system. Built the backend architecture for a loyalty program with database schema, APIs, and reward logic to enable automated reward tracking and redemption.

Backend Development backend architecture Database Schema Design API Development Routing

Education

Degrees, certifications, and relevant coursework

Université des Sciences et Technologies Houari Boumediene

Master in Intelligent Computer Systems, Intelligent Computer Systems

2019 - 2021

Master in Intelligent Computer Systems at USTHB, building advanced knowledge and practical skills in Artificial Intelligence and contemporary methodologies using computational tools.

Université des Sciences et Technologies Houari Boumediene

Bachelor in Information Systems and Software Engineering, Information Systems and Software Engineering

2016 - 2019

Bachelor in Information Systems and Software Engineering at USTHB, covering the full development life cycle of information systems and core skills in software design, implementation, and testing.