Freelancers in LindauFreelancers in Lindau
Product Designer | End-to-End UX/UI & Design Systems
    $5k+
    Earned
    2x
    Hired
    5.0
    Rating
    103
    Followers
Product Designer | End-to-End UX/UI & Design Systems
Backend APIs, Integrations, Debugging & Software QA
New to Contra
Backend APIs, Integrations, Debugging & Software QA
Cover image for Zentra — Fintech Engineering, Readiness
Zentra — Fintech Engineering, Readiness & Assurance Independent pre-live fintech engineering project focused on secure payment infrastructure, wallet and ledger architecture, authentication, KYC workflows, idempotent transaction handling, reconciliation, risk controls, operational readiness and evidence-driven assurance. The system includes a Node.js/Express backend, PostgreSQL data layer, structured engineering gates, testing and readiness documentation. It is pre-live and is not represented as real-money production infrastructure.
1
63
Cover image for Synthetic Lab — AI Evaluation
Synthetic Lab — AI Evaluation & Simulation Architecture Independent technical architecture for controlled synthetic evaluation of AI-generated candidates and system mechanisms. Designed around explicit world state, observation boundaries, hidden truth, event generation, failure injection, adversarial testing, baseline/candidate/challenger comparison, scoring, metrics and evidence hashing. Synthetic evidence remains explicitly labeled and separated from real-world validation.
1
48
Cover image for EIE — AI / Automation
EIE — AI / Automation Project Independent software project focused on AI-assisted workflows, automation and system integration. Built as part of broader experimentation with practical AI-enabled software systems and execution workflows.
1
69
Cover image for BlitzPay — Payment Application
Independent product
BlitzPay — Payment Application Independent product project focused on building a modern payment application with a clean mobile experience, transaction flows and supporting backend/database architecture. Developed and iterated as a real software product, including Flutter application code and supporting data-layer work.
1
69
Fresh Fullstack Solutions for Modern Business
Fresh Fullstack Solutions for Modern Business
2D / 3D Design for business & startups
2D / 3D Design for business & startups
Cover image for Branding & Logo Design
Branding & Logo Design
0
58
Cover image for Logo Collection — Various Brand Concepts 2
Logo Collection — Various Brand Concepts 2
0
66
Cover image for Lavrine | Minimal Logo Design
Lavrine | Minimal Logo Design
0
69
Cover image for Logo Collection — Various Brand Concepts
Logo Collection — Various Brand Concepts
0
66
IT Solutions | Software, Web, Apps & Automation
New to Contra
IT Solutions | Software, Web, Apps & Automation