Mark B.

Contract Software Engineer | Entrepreneur

Barcelona, Catalonia, Spain

About

Contract full-stack engineer with 9+ years of experience delivering production-ready web applications. Strong focus on Node.js, React, TypeScript, MongoDB. I build scalable, maintainable systems — from backend APIs to frontend interfaces and infrastructure. Worked across e-commerce, social, and media projects with distributed teams (UK/US/EU). Comfortable owning delivery end-to-end, including architecture, CI/CD, testing, and observability. Tech highlights: Node.js, TypeScript, React, Next.js, MongoDB, PostgreSQL, GraphQL, Fastify, Apollo, AWS (Lambda, SQS, EventBridge, S3, Cognito), Terraform, Kubernetes, Docker, Redis, k6, Puppeteer, Remotion. Open to remote contract roles (3–12 months) with UK/US-based teams.

Experience

  • Software Engineer at TitanX
    Apr 2022 - Present · 4 yrs 4 mos

  • Co-Founder at Noice Tech
    Apr 2019 - Present · 7 yrs 4 mos

  • Software Engineer at EPAM Systems
    Mar 2021 - Apr 2022 · 1 yr 2 mos

  • Development Team Lead at Bask Agency
    Mar 2020 - Mar 2021 · 1 yr 1 mo

    Working with digital projects for a large international company. Maintenance and implementation of the new functionality of the IAM system. Development and support of multi-brand platform for 6 sites. Maintenance for integrations with Salesforce and Microsoft Dynamics, and performance monitoring systems. Development of various backends. Decomposition of tasks, delegation to the team, as well as verification of their pull requests.

  • Co-Founder at Hapen.io
    Oct 2020 - Feb 2021 · 5 mos

    A way to remind people of anything: John's birthday, start of discount week or a movie release. And we will send notifications where it is convenient for them: telegram, facebook, browser push etc.