Recommended expert
Roman Deputat
CTO
Experience
Jan 2024 - Sep 2024
9 monthsBerlin, Germany
CTO
EFS
- Introduced a serverless/event-driven platform, boosting deployment frequency from 3 to 40 per month
- Implemented an LLM-based fraud-detection proof of concept that flagged 92 % of suspicious transactions
- Built performance and DORA metrics dashboards adopted by the C-suite
Mar 2023 - Sep 2023
7 monthsBerlin, Germany
Interim CTO
Flightright
- Spearheaded monolith-to-microservices re-architecture, reducing average response time by 40 % and enabling weekly releases
- Productionised an LLM-driven claim-classification service that automated triage for over 100k cases, slashing manual review by 70 %
- Introduced DORA metrics and outcome-oriented OKRs, boosting eNPS from 42 to 63 within six months
Jan 2023 - Present
3 years 2 monthsBerlin, Germany
Tech Advisor
InnTech Vision
- Designed a scalable RAG architecture delivering sub-1 s answers across a 100K-document corpus
- Mentored founding teams on lean delivery, hiring, and cloud cost control
- Facilitated GenAI discovery workshops that uncovered three new product lines
Oct 2021 - Dec 2022
1 year 3 monthsBerlin, Germany
CTPO & Co-Founder
Man-Go
- Bootstrapped end-to-end product and infrastructure
- Championed lean engineering practices
Jan 2019 - Dec 2021
3 yearsBerlin, Germany
Engineering Lead
Smava
- Managed three squads (15 engineers)
- Launched React migration
- Introduced “Focus Time” initiative
- Developed a mastery framework
Jan 2017 - Dec 2019
3 yearsBerlin, Germany
Tech Lead
Höffner
- Planned monolith-to-microservices migration
- Strengthened onboarding and hiring processes
Jan 2006 - Dec 2017
12 yearsCTO & Co-Founder
DexTecnology
- Scaled team from 2 to 35 developers
- Established technology vision, strategy, and mentoring culture
Jan 2001 - Dec 2006
6 yearsSoftware Developer
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (24 years), Banking and Finance (3.5 years), Retail (3 years), and Professional Services (0.5 years).
Information Technology
Banking and Finance
Retail
Professional Services
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (25 years), Product Development (24 years), Strategy (15 years), Human Resources (3 years), and Business Intelligence (0.5 years).
Information Technology
Product Development
Strategy
Human Resources
Business Intelligence
Summary
Hands-on engineering leader blending 20 years of product-centric delivery with practical GenAI adoption. I design resilient cloud architectures, embed AI into business workflows, and grow motivated teams. Believer in lean, data-driven decisions and code that tells a story.
Skills
- Leadership & Product: Agile & Lean • Org Design • Remote & Hybrid Teams • Okrs • Executive-level Stakeholder Communication
- Ai & Data Llms: (Openai Gpt, Anthropic Claude, Mistral) • Retrieval Pipelines (Langchain, Llamaindex – Basic) • Vector Store • Prompt Engineering & Evaluation • Python Data Stack (Numpy, Pandas)
- Software Architecture: Event-driven Microservices • Domain-driven Design • Micro-frontends • Ci/cd • Iac (Terraform, Cdk) • Kubernetes • Observability
- Tech Stack (Hands-on): Typescript/node.js • React/next.js • Java • C# • Python • Postgresql • Mongodb • Gcp • Aws • Azure
Languages
Russian
NativeEnglish
AdvancedRomanian
IntermediateUkrainian
IntermediateGerman
ElementaryEducation
Taras Shevchenko University
MSc · Computing Machinery & Systems · Kyiv, Ukraine
Certifications & licenses
AWS Solutions Architect Associate
Professional Scrum Master I
Inspiring & Motivating Individuals
University of Michigan
Profile
Created
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Roman based?
Roman is based in Berlin, Germany.
What languages does Roman speak?
Roman speaks the following languages: Russian (Native), English (Advanced), Romanian (Intermediate), Ukrainian (Intermediate), German (Elementary).
How many years of experience does Roman have?
Roman has at least 25 years of experience. During this time, Roman has worked in at least 8 different roles and for 7 different companies. The average length of individual experience is 3 years and 2 months. Note that Roman may not have shared all experience and actually has more experience.
What roles would Roman be best suited for?
Based on recent experience, Roman would be well-suited for roles such as: CTO, Interim CTO, Tech Advisor.
What is Roman's latest experience?
Roman's most recent position is CTO at EFS.
What companies has Roman worked for in recent years?
In recent years, Roman has worked for EFS, Flightright, InnTech Vision, Man-Go, and Smava.
Which industries is Roman most experienced in?
Roman is most experienced in industries like Information Technology (IT), Banking and Finance, and Retail. Roman also has some experience in Professional Services.
Which business areas is Roman most experienced in?
Roman is most experienced in business areas like Information Technology (IT), Product Development, and Strategy and Planning. Roman also has some experience in Human Resources (HR) and Business Intelligence.
Which industries has Roman worked in recently?
Roman has recently worked in industries like Information Technology (IT), Banking and Finance, and Professional Services.
Which business areas has Roman worked in recently?
Roman has recently worked in business areas like Information Technology (IT), Product Development, and Strategy and Planning.
What is Roman's education?
Roman holds a Master in Computing Machinery & Systems from Taras Shevchenko University.
Does Roman have any certificates?
Roman has 3 certificates. These include: AWS Solutions Architect Associate, Professional Scrum Master I, and Inspiring & Motivating Individuals.
What is the availability of Roman?
Roman is immediately available for suitable projects.
What is the rate of Roman?
Roman's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Roman?
To hire Roman, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 820-980 €
Market avg: 820-980 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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