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Hi, I’m Marta Karkosik. I’m a Communication & Delivery Support Specialist with 7+ years of experience working in international, multicultural environments with engineering teams and external stakeholders. I’m skilled at facilitating clear English-language communication, supporting meetings and follow-ups, and bridging gaps between technical teams and clients. I pay close attention to detail and maintain clear documentation, summaries, and alignment across time zones. I thrive in remote, English-only environments and have a track record of reducing onboarding friction, improving client communication, and helping projects run smoothly across multiple time zones and stakeholders.…Hi, I’m Marta Karkosik. I’m a Communication & Delivery Support Specialist with 7+ years of experience working in international, multicultural environments with engineering teams and external stakeholders. I’m skilled at facilitating clear English-language communication, supporting meetings and follow-ups, and bridging gaps between technical teams and clients. I pay close attention to detail and maintain clear documentation, summaries, and alignment across time zones. I thrive in remote, English-only environments and have a track record of reducing onboarding friction, improving client communication, and helping projects run smoothly across multiple time zones and stakeholders.

Marta Karkosik

Project Manager, Content Producer, Digital Producer, +1

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Hi, I’m Marta Karkosik. I’m a Communication & Delivery Support Specialist with 7+ years of experience working in international, multicultural environments with engineering teams and external stakeholders. I’m skilled at facilitating clear English-language communication, supporting meetings and follow-ups, and bridging gaps between technical teams and clients. I pay close attention to detail and maintain clear documentation, summaries, and alignment across time zones. I thrive in remote, English-only environments and have a track record of reducing onboarding friction, improving client communication, and helping projects run smoothly across multiple time zones and stakeholders.…Hi, I’m Marta Karkosik. I’m a Communication & Delivery Support Specialist with 7+ years of experience working in international, multicultural environments with engineering teams and external stakeholders. I’m skilled at facilitating clear English-language communication, supporting meetings and follow-ups, and bridging gaps between technical teams and clients. I pay close attention to detail and maintain clear documentation, summaries, and alignment across time zones. I thrive in remote, English-only environments and have a track record of reducing onboarding friction, improving client communication, and helping projects run smoothly across multiple time zones and stakeholders.

Available to hire

Hi, I’m Marta Karkosik. I’m a Communication & Delivery Support Specialist with 7+ years of experience working in international, multicultural environments with engineering teams and external stakeholders. I’m skilled at facilitating clear English-language communication, supporting meetings and follow-ups, and bridging gaps between technical teams and clients. I pay close attention to detail and maintain clear documentation, summaries, and alignment across time zones.

I thrive in remote, English-only environments and have a track record of reducing onboarding friction, improving client communication, and helping projects run smoothly across multiple time zones and stakeholders.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Fluent

Spanish; Castilian

Advanced

German

Beginner

Work Experience

Project Implementation Manager, Content & Design at Chooose AS

December 1, 2023 - Present

Managed the end-to-end content and branding setup on a digital platform, ensuring visual consistency and alignment with brand and technical standards. Collaborated with cross-functional teams to deliver high-quality user experiences, supported client onboarding, ran QA checks, handled customer support, and used insights from user interactions to inform product improvements and enhance overall customer satisfaction.

Senior Project Manager at Startup House sp. z o.o.

December 1, 2023 - July 31, 2025

Planned and managed project activities, ensuring efficient use of resources and proper alignment of scope, schedule, budget, and personnel. Worked closely with clients and development teams to maintain alignment throughout the project lifecycle. Coordinated start-up and corporate projects valued from $50,000 to $300,000, using Agile methodology and Jira, monitoring progress, risks, and facilitating stakeholder communication.

Project Manager at DevsData LLC

November 1, 2021 - July 31, 2025

Responsible for project planning, stakeholder communication, risk analysis, MVP definition, and milestone delivery within timelines. Acted as Business Analyst/Product Owner, maintaining client communication and feature translation, leading Scrum ceremonies, managing product backlog, and removing development obstacles. Also engaged in business development, acquiring new clients and expanding the project pipeline, contributing to launching new software projects and extending client contracts.

Project Manager/Business Development Manager at Sigmoidal LLC

November 1, 2018 - July 31, 2025

Created sales campaigns, contacted potential clients, negotiated contracts, and managed marketing activities and social media. Signed contracts for new projects and managed an AI system development project employing machine learning and NLP, aimed at automating analytics and detecting investment opportunities.

Printed Materials Analyst / Project Management Engineering Intern at Procter & Gamble Polska Sp. z o.o.

March 1, 2017 - July 31, 2025

Optimized communication and information sharing with suppliers by designing a tool to reduce email volume. Managed three independent production engineering projects including the implementation proposal for a Line Event Data System (LEDS), redesigning transport trays, and improving traceability systems.

Senior Project Manager – SaaS Platform Delivery at Chooose AS

December 1, 2023 - Present

Acted as a primary communication bridge between engineering teams and international clients, ensuring clarity of requirements, priorities, and next steps. Supported meeting preparation and follow-ups, aligning stakeholders on discussion points and action items. Assisted during live calls and discussions by clarifying context and ensuring mutual understanding between technical and non-technical participants. Coordinated communication across multiple time zones, helping prevent misunderstandings and delays. Maintained clear written summaries, documentation, and records of decisions and agreements. Contributed to smoother onboarding and improved client communication, reducing implementation friction by approximately 20%.

Senior Project Manager at Startup House sp. z o.o.

November 1, 2021 - December 1, 2023

Supported communication between clients and cross-functional engineering teams across multiple software projects. Coordinated meetings, updates, and follow-ups to keep all parties aligned. Helped manage expectations, clarify scope changes, and reduce miscommunication. Worked closely with international clients in English-only environments. Ensured consistent documentation and clear written communication throughout project lifecycles.

Project Manager at DevsData LLC

October 1, 2018 - November 1, 2021

Project Manager at Sigmoidal LLC

January 1, 2018 - October 1, 2018

Supported communication between technical and business stakeholders in a fast-paced startup environment. Assisted with meeting coordination, documentation, and delivery alignment. Helped clarify requirements and expectations across teams.