Software & Cloud Engineer

Designing backend architectures,
cloud infrastructure, and
advanced automation.

Software engineer focused on delivering real value. I transform critical processes and bottlenecks into stable, scalable, and autonomous systems using Python, Docker, Cloud Computing (AWS/Azure), and AI pipelines. I write code designed to survive in production.

Spain (CET Timezone)
Remote & Async environments
Available now
Javier Mosquera
Backend & Cloud Engineer · DevOps · AI
Spain (100% Remote Candidate)
Ready to integrate into distributed teams
About me

Value-Driven Engineering

A hybrid technical profile (Backend, Cloud, DevOps) forged in resolving critical operational problems.

I am Javier Mosquera, a Software Engineer who prioritises stability, optimisation, and real business impact over over-engineering. My core expertise is backend development and integrating AI into solid cloud infrastructures.

My background managing critical, high-pressure logistics operations gave me something unusual in technical profiles: a sense of urgency, risk anticipation, and extreme tolerance to pressure. When I build a system, I take full responsibility for how it runs in production.

I currently design, deploy, and maintain autonomous bots, REST APIs, and data pipelines using Python and the Docker ecosystem. I deploy infrastructures on Azure and AWS, ensuring high availability and low maintenance.

I operate with full autonomy in 100% remote and asynchronous environments, delivering thorough technical documentation, strict code architecture, and consistently functional iterative deliveries.

⚙️

Production-Ready

I build resilient systems that run 24/7 and recover from failures autonomously.

🤖

Automation & AI

I reduce human error by transforming slow manual flows into automated pipelines.

☁️

Cloud Architecture

I master AWS, Azure, and Docker so the code lives on a scalable infrastructure.

🌐

Remote First

Expert in async communication, technical documentation, and frictionless distributed work.

Value
Engineering focused on solving real business challenges
10+
Systems successfully deployed in production environments
5+
Certifications backed by Microsoft (Azure), AWS, and Cisco
100%
Capacity for async and distributed teamwork
Value Proposition

What I bring to a tech team

A unique combination of advanced backend development, cloud systems architecture, and a pragmatic mindset to solve problems without adding technical debt.

Scalable RESTful APIs

Development of robust, decoupled services using Python, FastAPI, and Node.js. Modular code, static typing, and well-documented APIs ready to be consumed at scale.

Workflow Hyper-Automation

Transforming critical processes into orchestrated, measurable systems. I use autonomous Python bots, CRON jobs, webhooks, and deep API integrations.

Cloud Native & DevOps Culture

I do not just write code; I ensure its delivery. Experience in containerisation (Docker), deployment orchestration on Azure/AWS, Nginx/Cloudflare management, and continuous monitoring.

Generative AI Integration

Practical use of AI to generate tangible value. Advanced consumption of the OpenAI API, programmatic prompt engineering, and automated NLP in data pipelines.

Product-Oriented Engineering

Applying SOLID principles, clean code, and testing to prevent technical debt from blocking future growth. When building a database, I design it to scale without early restructuring.

Remote Work Excellence

Zero friction in distributed environments. I excel through async proactivity, detailed updates to Kanban boards (Jira/Trello), and extensive documentation of my developments.

Work History

Professional Experience

Applied engineering projects, integrating backend, cloud infrastructure, and automation in real scenarios.

Software Engineer & Cloud Infrastructure
Freelance / Technical Consultant
2025 – Present

End-to-end design and deployment of web solutions, AI tools, and complex automated systems. Full responsibility from PostgreSQL database architecture to secure deployment using Docker, Nginx Proxy Manager, and Cloudflare.

Python FastAPI Docker Azure AWS OpenAI API
  • Engineering of JobWatcher Bot: Python engine for ethical scraping of job postings, logical rule filtering, and SQLite deduplication, publishing to automated Telegram channels.
  • Architecture of LinkFlow: AI-driven SaaS platform orchestrating the OpenAI API and relational databases to optimise B2B content generation.
  • Development of BoldThinkers: Lead capture and marketing automation infrastructure, containerised for high availability.
  • Implementation of Self-Hosted Linux/Raspberry Pi systems with strict uptime monitoring and isolated container management.
Backend Developer & Automation Specialist
Media Zaragoza
Jun 2022 – Sep 2024

Backend development and data orchestration to scale internal operational efficiency. Implementation of CI/CD pipelines to automate and secure production deployments on AWS and Azure environments.

Python FastAPI REST APIs Azure Docker
  • Built RESTful APIs using FastAPI to unify decoupled systems, drastically reducing manual data entry errors.
  • Led hyper-automation workflows combining Python scripts, webhooks, and low-code integrations.
  • Provisioning and maintenance of Cloud services packaged in Docker containers to guarantee dev/prod parity.
Shift Manager — High-Criticality Operations
DB Schenker
Nov 2020 – May 2022

Comprehensive management of real-time logistics operations under strict performance KPIs and downtime constraints. This experience forged my pragmatic engineering mindset: focusing on preventing cascading incidents and ensuring operational continuity (SRE mindset).

Risk Management Critical Resolution (TTR) KPI Monitoring
  • Immediate mitigation and resolution of real-time operational incidents to maintain uninterrupted service.
  • Workflow optimisation via operational audits, applying the same philosophy I now use to refactor and stabilise code.
Engineering Portfolio

Systems in Production

Not proof of concepts. Real solutions processing data, automating operations, and supporting traffic.

JobWatcher Bot — Job monitoring tool
JobWatcher Bot

Autonomous Python engine monitoring job portals, executing semantic filtering, and preventing data duplication. SQLite database, CRON job scheduling (APScheduler), and integrated Telegram channel broadcasting.

PythonSQLiteAPSchedulerTelegram API
LinkFlow — AI for LinkedIn
LinkFlow (AI-Powered SaaS)

Platform integrating OpenAI algorithms with a robust Node.js and PostgreSQL backend to optimise B2B content. Containerised infrastructure via Docker for simplified horizontal scaling.

Node.jsPostgreSQLDockerOpenAI API
BoldThinkers — Digital marketing platform
BoldThinkers Marketing Engine

Web ecosystem focused on B2B lead capture and retention. Connects frontend to CRMs via webhooks, supported by secure relational databases. Security managed via Nginx Proxy and Cloudflare.

PostgreSQLDockerNginxCloudflare
Crypto Tax Analyser
Cryptographic Tax Analyser

Highly specialised backend tool (Python + Pandas) auditing and normalising thousands of exchange and DeFi transactions, calculating FIFO, yields, and airdrops for strict regulatory tax reporting.

PythonPandas DataFramesFinancial Algorithmic
AutoTask — AI Automation
AutoTask & OpenAI Pipeline

Heavy automation for content departments. Using Make.com and custom Python scripts, it orchestrates the OpenAI API, DALL-E, and Google Sheets API to mass-publish without human intervention.

Make.comPython WebhooksOpenAI API
GrauCadrete — Local business app
GrauCadrete Service App

Comprehensive Flask Backend application for B2C booking digitisation. Deployed on ARM architecture (Raspberry Pi), Docker Compose orchestration, and automated SSL control with Certbot.

Python FlaskPostgreSQLDocker Compose
Engineering Stack

Technologies & Infrastructure

Tools mastered in real production scenarios, not just in local environments.

Software Engineering (Backend)
Python (Expert) JavaScript TypeScript Java FastAPI Flask Node.js RESTful Architecture
Cloud Infrastructure & DevOps
Azure (Certified) AWS Docker & Containers GitHub Actions / CI/CD Nginx / Reverse Proxies Cloudflare Edge Linux Admin
Databases & ORMs
PostgreSQL MySQL SQLite Relational Data Modelling
Artificial Intelligence & NLP
OpenAI SDKs Programmatic System Prompting Make.com (Advanced) API Integrations
Official Validation

Cloud & Security Certifications

Guarantee of technical knowledge aligned with enterprise standards.

🔵
AZ-400: DevOps Solutions
Microsoft — Designing and implementing CI/CD flows
☁️
AZ-104: Azure Administrator
Microsoft — Infrastructure administration and security
🟡
AWS Cloud Practitioner
San Valero Foundation — AWS core architecture
🛡️
Ethical Hacker & Cybersecurity
Cisco — Offensive security and risk mitigation
Core Fundamentals

Academic Background

⚙️
Higher Technician in Multi-platform Application Development
FP Virtual Aragón (Ongoing)
💻
Official Level 3 Cert. — Web Technologies Application Development
Kings Corner (2025)
Remote Readiness

Integrated Asynchronous Engineering

In modern engineering teams, writing good code is not enough. I stand out for my ability to work in total alignment with remote agile methodologies, providing stakeholders with continuous updates (clean commits, Jira/Trello reports, detailed pull requests), minimising the need for micro-management or unnecessary synchronous meetings.

Asynchronous Syncs Clear Documentation GitHub/GitLab PRs Jira/Trello Agile Technical Autonomy
Next Steps

Accelerate your infrastructure development

I currently have availability to join a new engineering team. If you are looking for a pragmatic technical profile focused on Backend, DevOps, or Cloud architecture for a 100% remote role, I'd love to evaluate a technical fit.