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Emil H.EH

Emil H.

Senior Backend & Data Engineer | SQL, Python, PHP

€400/day
Sliema, MT
15+ years

Average response time: 1 hour

About Emil

I’m a Senior Backend Developer & Data Engineer with 15+ years of experience building reliable Laravel/PHP systems, fixing API integrations, modernising ETLs, and delivering automation, dashboards, and performance improvements. I specialise in turning messy, inconsistent, or legacy systems into clean, predictable, and maintainable platforms.

My background spans iGaming, affiliate marketing, travel, SEO, and data engineering. I’ve built ingestion frameworks handling 1,000+ APIs, raised data accuracy from ~55–60% to ~94–95%, and reduced ETL runtimes from 1–2 hours to just minutes. I work independently, communicate clearly, and deliver fast, senior-level results.

What I Do Best

API integrations • Laravel debugging • ETL optimisation • SQL performance • Data accuracy repair • Automation scripts


Typical missions:

  • API integration fixes + new connectors
  • Laravel performance optimisation (slow queries, caching, indexing)
  • SQL cleanup, modelling, and reporting accuracy fixes
  • Automation scripts + lightweight ETL pipelines
  • Dashboards & KPI tools (small/medium scope)
  • Troubleshooting & debugging existing Laravel projects
If you need fast, reliable, and structured engineering support, I’m happy to help.

Services I provide:

  • Laravel troubleshooting: slow queries, API delays, bottlenecks, broken features
  • API integrations: REST, SOAP, OAuth2, custom auth flows, rate limits, inconsistent partner data
  • SQL optimisation: indexing, query tuning, schema fixes, reporting mismatches
  • ETL improvements: speed upgrades, pipeline cleaning, stability fixes, monitoring & validation
  • Automation & scripting: ingestion tools, cron jobs, crawlers, data syncs
  • Data accuracy repair: mismatched reports, broken KPIs, inconsistent datasets
  • Backend development: new endpoints, refactors, micro-services, internal tools
  • Short consulting audits: architecture review, debugging sessions, performance analysis
  • Swedish

    Native or bilingual

  • English

    Fluent

  • Danish

    Fluent

  • German

    Conversational

Can work on-site
Sliema (up to 10km)

Experience

  • Raketech Group
    Head of BI & Data Engineering / BI Lead Developer
    DIGITAL AND IT
    January 2019 - March 2024 (5 years and 2 months)
    Sliema, Malta
    Remote position.
    Role Evolution
    • Joined as BI Lead Developer, focusing on ETLs and data structure
    • Became Head of BI & Data Engineering, leading team members

    Core Achievements
    • Improved company-wide data accuracy and coverage
    • Reduced key ETLs from 1-2 hours -> 1-2 minutes
    • Established new data architecture, QA, documentation
    • Drove company data literacy
    • Led data strategy discussions with senior management

    Systems You Built / Owned
    • ETL frameworks
    • Data ingestion framework for 1000+ sources
    • API sync pipelines between departments and external partners
    • Data validation & monitoring layer

    Data Ecosystem
    Sources:
    Affiliate platforms, Google Analytics, CSV/Excel uploads, ad networks, scraped data.
    Destinations:
    ClickHouse, MariaDB/MySQL, S3/Redshift, Power BI datasets, internal APIs.

    Tech:
    Laravel, Python, SQL, ClickHouse, Postgres, Bash, QlikSense, Power BI, GitHub/GitLab, AWS, Cron, Linux.
    SQL Laravel ETL Python API
  • Highlight Media Group
    Senior Systems Developer
    January 2014 - January 2019 (5 years)
    Malta
    • Inherited chaotic mixed scripts (PHP, R, Bash, Qlik, SQL)
    • Rebuilt everything into a structured Symfony-based platform
    • Added data quality monitoring, UI tools, documentation, and process consistency
    • Integrated 800 affiliate accounts across ~200 operators
    • Automated imports for SEO, Finance, and BI departments — major manual time savings
    • Built scraping frameworks for partner tools
    • Improved data reliability and transparency across teams
    • Provided mentoring in BI, CRO, SEO, and data engineering principles
    SQL Web scraping PHP
  • 1Sprint
    Co-Founder & CTO
    January 2009 - January 2014 (5 years)
    • Built scraping and crawling systems for affiliate and product data
    • Created affiliate tools, revenue tracking, marketing automation
    • Built traffic monitoring dashboards
    • Developed ethical value scoring models (fair trade, environmental impact, sustainability factors)
    • Designed ranking logic and comparison systems
    • Owned all architecture, dev processes, and integrations
    Web scraping Product Launch Strategy IT Architecture PHP

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Education

  • M.Sc. IT
    IT University of Copenhagen
    2007
    M.Sc. IT
  • B.Sc. IT
    Lund University
    2004
    B.Sc. IT

Skill set

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