Dmitrii Kharlamov

CTO

Berlin, Berlin, Germany12 yrs 7 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • Secured $385M in funding across multiple startups.
  • Reduced ETL runtime by 50% in data engineering roles.
  • Built ML-based systems optimizing delivery logistics.
Stackforce AI infers this person is a Fintech and SaaS expert with strong capabilities in software architecture and data engineering.

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Skills

Core Skills

Full Stack DevelopmentCloud ComputingSoftware Development ManagementCloud Infrastructure OptimizationTechnology StrategySoftware ArchitectureData ManagementBusiness IntelligenceData EngineeringEtl OptimizationMachine Learning EngineeringData Science LeadershipTechnology LeadershipRisk ManagementSoftware DevelopmentSystem ArchitectureData Platform DevelopmentIntegration EngineeringDevops ManagementData ScienceMachine LearningBackend DevelopmentDatabase ManagementWeb Development

Other Skills

Python (Programming Language)Rust (Programming Language)TypeScriptJavaScriptAmazon Web Services (AWS)FastAPIPostgreSQLCube.jsSnowflakeLarge Language Models (LLM)Anthropic ClaudegenaiJavaAmazon DynamodbAWS Lambda

About

Five times I've joined a founding team, built the core product, and that work directly led to a fundraise or acquisition. I co-founded four startups: one bootstrapped, three raised $385M total. One failed, one is scaling in a $850B+ market, and two were acquired — one by Google. I approach problems from first principles. I am a spatial and systems thinker, a strategist, technocrat, and a hacker. I am interested in electronics, CPU architecture, memory models, low-latency systems, database design, backend systems, and frontend UX. I am a multidisciplinary specialist because I believe I can architect solutions only by understanding the full context — from cache lines to user interfaces. Across these systems I have consistently optimised for latency and throughput: reduced restaurant filtering from 1–2s to <100ms by redesigning data retrieval around MongoDB limitations; increased single-server capacity from 100 to 2,500 requests/second (potential 10,000 r/s) through WSGI, caching, and database tuning; cut ETL and data warehouse refresh runtime by 50% (9 hours to 4.5 hours); replaced a third-party analytics layer with Cube.js, reducing table load time from 5s to <500ms (50ms cached) and 54 API requests down to 3; achieved 15% smaller video file sizes at higher audio-visual quality than YouTube HD circa 2012 through custom FFMPEG transcoding pipelines. Built an ML-based predictive routing system that forecast driver positions five deliveries ahead. I identify industry problems before they become obvious (currently: hiring is fundamentally broken and complexity is killing developer productivity). I challenge conventional wisdom not to be contrarian, but because I have the technical foundation to evaluate claims independently. I am battle-tested, grounded, and capable of leading in uncertain, high-stakes environments. Currently building low-latency systems in C++ and Rust — including a matching engine and a market data feed parser.

Experience

12 yrs 7 mos
Total Experience
2 yrs 4 mos
Average Tenure
7 mos
Current Experience

Fit collective

Senior Full Stack Engineer

Oct 2025Present · 7 mos · Berlin, Germany

Python (Programming Language)Rust (Programming Language)TypeScriptJavaScriptAmazon Web Services (AWS)FastAPI+6

Amazon web services (aws)

Software Development Manager

Jan 2025Jan 2025 · 0 mo · Berlin, Germany · On-site

  • Leading a two-pizza team in AWS Billing. Responsible for pricing and access for all AWS customers across public and private clouds. Saved three engineer months by optimizing infrastructure. Moved expected completion date for a new region deployment project involving 50 teams by five months back, putting it back on track. Introduced AI-based automations to save 11.5 developer months on operations. Onboarded one software developer and two interns. Wrote 18-month vision for the team. Maintained delivery of a new generation service aiming to save five developer years per year on operational load (keeping the lights on) while improving customer experience. Contributed resources and participated in development and product design for AWS Free Tier and Kiro.
Anthropic ClaudegenaiJavaAmazon DynamodbAWS LambdaSoftware Development Management+1

Grover

3 roles

Head of Data

Promoted

Jan 2024Jan 2024 · 0 mo · Berlin, Germany

  • Owned and maintained Data Platform (Kafka, Segment, Amplitude, Redshift, Airflow, Airbyte, k8s, JupyterHub, Terraform, Redash). Delivered insights that helped secure €50M in funding. Maintained data pipelines and dashboards used in underwriting, KYC, AML, fraud prevention, business intelligence. Led implementation of data governance. Took over data-privacy (GDPR) implementation, and a next iteration on the event-based architecture.
Data GovernancePostgreSQLData AnalyticsBusiness Intelligence (BI)Data ManagementBusiness Intelligence

Head of Data Engineering

Jan 2023Jan 2024 · 1 yr · Berlin, Germany

  • Hands-on role. Reduced overall ETL and data warehouse refresh runtime by 50%, from nine to four and a half hours. Cut cloud platform costs across organization by 20% by introducing
  • AWS Glue ETL (Apache Spark) and re-designing S3 data access patterns
Extract, Transform, Load (ETL)AWS GluePostgreSQLPython (Programming Language)Apache AirflowData Engineering+1

Head of Machine Learning Engineering

Jan 2023Jan 2024 · 1 yr · Berlin, Germany

  • Led Data Science and Machine Learning teams. Implemented and deployed ML-based pricing
  • engine framework targeting 25% revenue growth. Trained and onboarded team onto AWS Sagemaker.
PostgreSQLAWS SageMakerJupyterkedroMachine Learning EngineeringData Science Leadership

Tradingfeed.com

Chief Technology Officer

Jan 2024Jan 2025 · 1 yr · Berlin, Germany · Hybrid

  • Secured €1.5M in pre-seed funding and implemented a new technology strategy. Going from automated feed parsing for wholesale traders to creating a global tender platform (exchange) for wholesale electronics trading — a $850B market.
Node.jsAmazon Web Services (AWS)JavaReact.jsSoftware ArchitectureTechnology Strategy

Crowdbotics

Head of DevOps

Jan 2020Jan 2021 · 1 yr · St Petersburg, St Petersburg City, Russia · Remote

  • Low-code platform; 20,000+ customer apps.
CircleCIDevOps Management

Bloom financial group limited

3 roles

Chief Technology Officer

Jan 2019Jan 2023 · 4 yrs

  • I directly supported a $377M Series A round from Credo & Fortress. I led investor engagement, supported due diligence, implemented PCI DSS, and secured an OWASP certificate on the first attempt thanks to sound first principle design of our lending platform. Interviewed and onboarded an SVP of Risk & Data, VP of Technology and Head of Engineering.
PostgreSQLTechnology LeadershipRisk Management

Founding Engineer

Jan 2019Jan 2023 · 4 yrs

  • Built two split-payment MVPs. Architected and implemented an in-house automated SME underwriting platform using Ruby, Python, and JavaScript. This included an automated onboarding process integrated with 30+ data sources.
PostgreSQLSoftware DevelopmentSystem Architecture

Principal Software Engineer

Jan 2019Jan 2022 · 3 yrs

  • Together with SVP of Risk & Data we built a data platform supporting automated KYC,
  • KYB, AML, undewriting, and portfolio monitoring. Developed the lending platform, integration layer, ETL pipelines, split-
  • payment gateways, managed DevOps and cloud platform, IT security, acted as CIO.
PostgreSQLData Platform DevelopmentIntegration Engineering

Jumper media

3 roles

Chief Technology Officer

Jan 2016Jan 2019 · 3 yrs

  • I hired and led a team of Full-Stack Engineers and Team Leads. Bootstrapped, scaled to multiple seven-figure ARR in the first six months, followed by 20% annual growth.

Founding Engineer

Promoted

Jan 2016Jan 2019 · 3 yrs

  • I transformed a Django-based MVP into an SOA Ruby-based engagement and data platform powered by RabbitMQ, Sinatra, MongoDB, hosted on Heroku and AWS ECS. Our engagement platform generated and processed two million API requests daily and gathered insights on 100M user accounts.

Principal Software Engineer

Jan 2016Jan 2018 · 2 yrs

  • Built a Node.js-based influencer management SaaS — Shirley.

Miles & company services, inc

Principal Software Engineer

Jan 2015Jan 2016 · 1 yr · Sunnyvale, California, United States · Hybrid

  • Multi-driver delivery, catering.
Scikit-LearnNode.jsService-Oriented Architecture (SOA)SciPyNumPyPython (Programming Language)+7

Fluc, inc

Founding Engineer

Jan 2012Jan 2016 · 4 yrs · Mountain View, California, United States · Hybrid

  • Joined the founding team after creating a set of backend services for an MVP iOS food delivery app.
  • Engineered and developed the entire ML powered delivery system from December 2012 to initial launch in
  • June 2013. To handle over 2,000 unique visitors per second and work around MongoDB limitations at the
  • time, I optimized the system's data retrieval, reducing the time to filter and sort thousands of restaurants
  • from 1-2 seconds to under 100 milliseconds. Designed interview process, interviewed, hired, and led
  • backend and frontend engineers, including from Google and jQuery.
  • 1100%+ growth in 12 months
  • $10M GMV run-rate
  • 300,000 orders
  • 30+ zone launches
  • 70,000 Bay Area/LA users
  • 3,000 drivers (TechCrunch).
  • Together with a data scientist from PARC I developed an ML-based driver routing system in Django/Python
  • “The Oracle,”. Oracle predicted drivers' moves up to five deliveries ahead of where they were at any
  • given time. We invented polygon-based driver clustering, developed core components for the
  • frontend, personally authored 90% of the backend services and ETL pipelines, including: the primary SaaS
  • for fluc.com, mobile app APIs, Customer Success dashboards, CRM, payroll systems for drivers, B2B
  • deposit system for corporate customers to simplify payments via bank transfers, payment services, and
  • integration with fax, SMS, and calls for authentication and customer service.
Service-Oriented Architecture (SOA)PostgreSQLPython (Programming Language)Software DevelopmentSystem Architecture

Channelfix.com

Principal Software Engineer

Jan 2011Jan 2012 · 1 yr · St Petersburg City, Russia · Remote

  • Innovative video sharing platform.
PostgreSQLMySQLDatabase Management

Emh global media limited

Director of Engineering

Jan 2008Jan 2011 · 3 yrs

Tpg design limited

Senior Web Developer

Jan 2007Jan 2008 · 1 yr · London Area, United Kingdom · On-site

Consulting

Full Stack Engineer

Jan 2004Jan 2012 · 8 yrs · London, St. Petersburg · Hybrid

  • Helping SMEs, Deutsche Bank.
MySQLWeb Development

Education

Southern Federal University (former Rostov State University)

Candidate — Computer Science

Jan 2000Jan 2002

MITx Courses

Micromasters Candidate

Jan 2020Jan 2022

Institute of Trading and Portfolio Management

Professional Trading Masterclass

Jan 2021Jan 2022

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