01/19/2026 updated

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Senior Software Engineer

Budapest, Hungary
Only remote
Bachelor's Degree
Budapest, Hungary
Only remote
Bachelor's Degree

Profile attachments

Profile.pdf

About me

With 15+ years in software engineering, from small hardware projects to enterprise solutions, I'm passionate about blockchain, AI, IoT, and innovation. My current project were mostly python

Application Programming Interfaces (APIs)Algorithmic TradingAlgorithmsAmazon Web ServicesAmazon CloudfrontAmazon S3ArduinoCloud ComputingDevOpsDjangoAmazon DynamoDBHardware DesignJSONPython (Programming Language)PostgreSQLMongoDBBlockchainTrade/RetailSystems IntegrationEnterprise Application PlatformFlaskDatabase OptimizationInternet of Things (IoT)ContainerizationSalesforce HerokuGraphQLFunctional ProgrammingApi DesignRestful ApiCrypto CurrencyDatabase AdministrationDockerMicroservicesOracledb
Python Programming
Proficient in Python development including Django framework, Flask, microservices architecture, and automated trading systems

Blockchain and Cryptocurrency
Advanced knowledge in crypto custody platforms, trading algorithms, wallet management, and on-chain transactions

Cloud Technologies
AWS certified developer with experience in S3, CloudFront, Lambda, DynamoDB

Database Management
Comprehensive experience with PostgreSQL, MongoDB, Oracle DB, and database optimization for enterprise applications

API Development
Expertise in REST-API design, experience in GraphQL, JSON-API implementation

Microservices Architecture
Proven experience in designing and implementing microservices-based systems for scalable applications

DevOps and Containerization
Knowledge of Docker containerization, experience in containerized development environments and operation in Cloud PaaA like Heroku

IoT and Hardware Integration
Experience with Arduino IoT projects and hardware-software integration for experimental applications

Experience

Professional experience10+ years
Freelancer since2020

Languages

EnglishGoodHungarianNative speaker

Project history

Senior Software Engineer

Vigiler
Building high-frequency, low-latency trading bot based on fixed grid bot algorithm. Developing wallet management and automated coin/token sending and receiving with on-chain transactions using Microservices, Python, Flask, Rest-API, Binance-API, solana.py

Co Founder, Developer

DIL - Online német tanfolyam videókkal
Designing and developing e-learning site for Hungarian-German language learning using Python, Django, AWS-S3, Heroku

Senior Software Engineer

INLOCK Lending Platform
Building crypto finance platform with features for earning interest, borrowing, and instant swapping using Microservices, Python, Flask, Rest-API, AWS-S3

Senior Software Engineer

AgriCircle AG
Building precision farming system using Microservices, Json-API, Python, Flask, Celery, Ruby on Rails, PostgreSQL, Kubernetes

Senior Ruby Developer

TerraCycle
Designing and building e-commerce platform for smarter and waste-free shopping. Platform launched in 2 countries with 2 new countries added in 2020, consisting of 5 systems using Microservices, Ruby on Rails, Spree, GraphQL, Rest API, Grape, PostgreSQL, Sidekiq, AWS-S3, Heroku

Ruby Developer

Elegran Real Estate
Developing real estate platform using agile methodology with functionalities to collect, organize and store listings data from external sources, support customization options, provide API for multiple real estate sites, and support agent working processes connected to SalesForce using Ruby on Rails, Grape, GraphQL, PostgreSQL, MongoDB, AWS

Technical consultant, developer

Central European University
Designing and developing force sensing tool for psychological experiment and measurement gathering tool using Arduino IoT, Java SE, Matlab

Lead Java Developer

IP Systems Kft.
Building Energy Trading and Risk Management system for Alpiq using Scrum methodology, leading team of 6 members with functionalities including flexible user and rights management, partner management, timezone and holiday calendar management, commodities and grid management, custom workflows with Activiti BPM Platform, and communications with other systems via Webservices and Oracle Advanced Queuing using Java, Spring-Framework, Activiti BPM, Hibernate, Maven, Oracle DB, Oracle AQ

Senior Java Developer

IP Systems Kft.
Building software for Hungarian TSO to keep operative collaboration with gas market players using Scrum methodology with functionalities including interfaces for other software modules, contract generation using DOC templates, workflow based contract modifications with versioning, and workflow based approving system using Java, Spring-Framework, Activiti BPM, Hibernate, Maven, Oracle DB

Java Software Developer

Daten-Kontor Kft.
Developing various Information Systems for government organizations using Java, servlets, JSP, Swing, Hibernate, Oracle DB, PLSQL

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