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Benedict MarienBM

Benedict Marien

Senior Software Engineer

€300/day
Copenhagen, DK
8-15 years

Average response time: 1 hour

About Benedict

Senior Software Engineer with 8+ years of experience building scalable web applications using JavaScript/TypeScript, React, Node.js, and Python. Specialized in micro-frontend architectures, authentication and authorization systems, and serverless infrastructure on AWS (Lambda, Cognito, S3, API Gateway). Proven experience with Large Language Model (OpenAI, Azure OpenAI) integrations into production systems. Formal background in computer science and software development, experienced in scalable system design, CI/CD pipelines, distributed systems, and automated software testing techniques.
  • English

    Native or bilingual

  • Spanish

    Fluent

  • Dutch

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Awaze (Novasol)
    Senior Software Engineer
    September 2024 - May 2026 (1 year and 8 months)
    Copenhagen, Denmark
    • Developed and maintained micro-frontend (MFE) applications using React, Next.js, TypeScript, and GraphQL within a distributed system architecture supporting high traffic booking flows used by 100,000+ users/month.
    • Implemented serverless architectures using AWS Lambda, API Gateway, and DynamoDB to support scalable, low latency services.
    • Designed and implemented new authentication and authorization flows using AWS Cognito (RBAC), and centralized token lifecycle management and cross-MFE authentication state synchronization, becoming a core platform dependency across multiple product teams.
    • Improved type safety across multiple codebases using TypeScript strict patterns, reducing unexpected production runtime errors by 40-50%.
    • Built and enhanced CI/CD pipelines (GitHub Actions) and monitoring (Sentry), reducing mean time to detection (MTTD) of production issues and minimizing end-user impact.
    • Processed and normalized legacy data pipelines, improving data reliability and reducing downstream inconsistencies.
    Typescript React.js Next.js Serverless GraphQL
  • A.P. Møller - Mærsk
    Senior Software Engineer
    September 2022 - May 2024 (1 year and 8 months)
    Copenhagen, Denmark
    • On the 4th day of joining, accepted ownership and subsequently led the development of an internal application, which was successfully launched in under 3 months.
    • Led frontend development of internal innovation platform used across departments, reaching 1000+ users within first launch phase.
    • Mentored interns and junior developers, improving delivery speed and code quality across the team.
    • Designed scalable frontend architecture using React and TypeScript for enterprise-grade applications.
    • Integrated LLM capabilities using Azure OpenAI, enabling AI-assisted workflows for idea generation and evaluation.
    • Reduced manual effort in innovation processes by introducing automated classification and suggestion features.
    Typescript React.js Microsoft Azure artificial intelligence PostgreSQL
  • Tame
    Tech Lead
    December 2021 - May 2022 (5 months)
    Copenhagen, Denmark
    • Led engineering team growth from 6 to 12 developers, maintaining delivery velocity during scaling.
    • Guided and mentored junior and mid-level developers directly in addition to facilitating team workshops and introducing a framework for dedicated team knowledge sharing.
    • Established Agile processes (Scrum), improving team predictability and sprint velocity consistency.
    • Delivered MVP in ~3 months, enabling early market validation and stakeholder feedback.
    • Implemented testing strategy (unit, integration, e2e), reducing defect leakage by an estimated 30-40%.
    • Oversaw timelines and reported directly to executive managers on project progress, problem areas, and potential process or project improvements.
    • Introduced structured QA workflows and test coverage standards, resulting in explicitly defined scopes of ownership within the team, eliminating responsibility ambiguity and reducing production issues.
    GraphQL React.js Tech Lead Typescript Distributed Architecture

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Education

  • Bachelor of Computer Science
    KEA
    2022
    Bachelor of Computer Science

Skill set

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