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Hans-Qrister LindqvistHL

Hans-Qrister Lindqvist

AI Developer - Flutter, .NET, Cross-Platform

€600/day
Aubenas, FR
3-7 years
Docker
Artificial Intelligence
Web Development
Project Management
Linux

Average response time: 1 hour

Freelancer profile translated to English.
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About Hans-Qrister

I am a full-stack developer specializing in building software tools, dashboards, automations, and AI-assisted systems.

I enjoy building complete products: from the initial idea to technical architecture, user interface, API integration, data management, documentation, and deployment.

My personal projects cover various domains: productivity, personal organization, fintech, trading tools, real-time dashboards, AI, automation, OCR, document management, and local-first systems.

My strength lies in transforming complex information flows into clear, fast, and actionable interfaces. I design tools that help organize ideas better, track important data, automate repetitive tasks, and improve decision-making.

I can work on web, desktop, automation, AI, dashboards, internal tools, fintech, or productivity applications.
E-commerce
Digital and IT Services
Software Publishing

  • Swedish

    Native or bilingual

  • Italian

    Conversational

  • French

    Fluent

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Indépendant — Uni Personal
    Independent Software Developer — Cross-platform & AI
    SOFTWARE PUBLISHING
    January 2026 - Today (6 months)
    Self-taught independent software developer based in France,
    specializing in the design and delivery of end-to-end
    multi-platform applications.

    Key achievements:

    - Uni Personal — unified productivity suite for Windows
    (.NET 9 / WPF) and Android (Flutter) integrating 17 modules:
    AI assistant with BYOK model selection, translation, screen
    capture and annotation, clipboard manager, office tools, notes,
    calendar, file manager, custom terminal, application launcher,
    encrypted chat, etc.

    - Implementation of an automated deployment pipeline:
    Velopack for Windows and Shorebird (code-push) for Android,
    ensuring seamless updates for end-users.

    - Custom Linux distribution based on Linux Mint, with
    Calamares installer, adapted Cinnamon environment, and
    distribution-ready ISO image.

    - Three complementary cross-platform applications (notes,
    mind maps, outdoor social application).

    - Several algorithmic trading systems for personal use:
    strategy logic, exchange API integration, and automated
    execution.

    Stack: C#, .NET 9, WPF, Dart, Flutter, PHP, JavaScript, SQL,
    Supabase / PostgreSQL, LLM integrations (Anthropic, OpenAI,
    Google, Groq, Perplexity).

    Multilingual: French, English, Italian, Swedish.
    Artificial Intelligence Web Development Python C# Dart
  • Indépendant - Willman Trade
    Full-stack Fintech Developer & Trading Tools Creator
    SOFTWARE PUBLISHING
    January 2021 - Today (5 years and 6 months)
    Full-stack developer specializing in building fintech tools,
    trading dashboards, and decision support systems for financial
    markets.

    I designed and developed several internal trading tools, including
    a Market Command Center, an XAU/USD analysis engine, real-time
    dashboards, trading journals, performance tracking tools,
    integrations with MT5/DAS Trader, and analysis modules combining
    technical and macroeconomic data, economic calendars, financial
    news, and AI reasoning.

    Work included designing software architectures, front-end and
    back-end development, financial API integration, market data
    management, real-time visualization, automation, trade logging,
    risk analysis, technical documentation, and deployment on
    servers/VPS/Docker.

    My goal is to transform complex financial information flows into
    clear, fast, and actionable interfaces, to improve decision-making,
    discipline, and performance tracking in a real trading environment.
    Docker Artificial Intelligence Finance Trading Trading Systems
  • SCC Facility Management
    Chief Executive Officer
    LOGISTICS AND SUPPLY CHAIN
    January 1994 - January 2016 (22 years)
    Founded and managed a Facility Management company for 22 years
    (1994–2016), with staff growing to over 200 employees.

    Key responsibilities:

    - Defining company strategy and operational management of all
    activities

    - Direct and indirect supervision of over 200 employees spread
    across client sites

    - B2B commercial development: prospecting, negotiation, and
    signing multi-site service contracts

    - Managing service quality for key accounts and monitoring
    satisfaction

    - Complete budget management and P&L responsibility for the
    entire scope

    - Recruitment, training, and structuring of operational and
    management teams

    - Coordination of support functions (HR, accounting, quality,
    security)

    Extensive experience in managing a growing SME, long-term client
    relationships, and multi-level management.
    Team Management General Management Business Management Project Management Facility Management

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Education

  • Graduated in Marketing and Business Economics (Bac+1)
    IHM
    1994

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