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Darius TelyčėnasDT

Darius Telyčėnas

Consultant, Software Engineer @ PHP, Spryker, Rust

€880/day
Berlin, DE
15+ years

Average response time: 1 hour

About Darius

Freelance Software Engineer & Consultant focused on architecture, reliability, and AI‑aware engineering.

⸻ ~ ⸻

I bring over one megawarhol of experience in software development, with a focus on removing the bottlenecks that limit delivery speed, system reliability, and team effectiveness. My work combines hands‑on engineering with pragmatic advisory, always grounded in evidence and production realities.

Typical engagements include:
• Architecture & codebase audits ⸻ rapid, evidence‑based reviews with clear remediation paths.
• Hands‑on refactors & development ⸻ short, focused sprints and pair programming to improve maintainability and reduce recurring incidents.
• AI‑aware enablement ⸻ spec‑driven workflows, validation practices, and team coaching for production‑safe, cost‑aware AI and agentic engineering.

I apply AI deliberately and end‑to‑end. More compute does not automatically mean more speed; sustainable AI‑driven development balances autonomy, cost, and control by applying intelligence where it creates real leverage.
  • Lithuanian

    Native or bilingual

  • English

    Fluent

  • Russian

    Fluent

  • German

    Conversational

  • Polish

    Conversational

Can work on-site
Berlin (up to 50km)

Experience

  • InStaff & Jobs GmbH
    Backend Developer PHP
    June 2024 - November 2024 (5 months)
    Berlin, Germany
    • • Owned maintenance and incremental modernization of legacy PHP backend services supportng core business workflows.
    • • Designed and implemented REST API endpoints for internal platforms, improving data consistency and service interoperability.
    • • Increased system stability through targeted refactoring and performance improvements.
    • • Collaborated with product and operations teams to translate business requirements into scalable backend solutions. PHP, APIs, Docker
    PHP Docker Backend Service Development External API integration
  • diva-e NEXT GmbH
    Senior Software Developer
    August 2022 - June 2024 (1 year and 10 months)
    Berlin, Germany
    • • Contributed to backend and API development for enterprise e-commerce projects, including ALDI.
    • • Mentored engineers through architecture discussions, code reviews, and technical decision-making.
    • • Worked closely with product owners, UX designers, and stakeholders to balance technical excellence with business prioriIes.
    E-commerce IT Architecture IT Project Management External API integration
  • mediawave commerce GmbH
    Senior PHP Developer
    DIGITAL AND IT
    February 2022 - July 2022 (5 months)
    Munich, Germany
    • • Designed and implemented Spryker-based backend features for merchant portals and financial integraIons.
    • • Extended Glue API endpoints to support external partner integraIons.
    • • Introduced automated acceptance tesIng, improving deployment confidence and reducing regression risk.
    • • Contributed to architectural discussions around scalability and long-term maintainability.
    PHP Back-End development IT Architecture External API integration

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Education

  • telc DTB B2
    Deutsch-Test für den Beruf
    2025
    telc DTB B2
  • Master of Philosophy
    Universitetet
    1997
    Master of Philosophy

Skill set

Categories