Konstantin Möllers

Feb 2025 - today

Software Engineer

• Support and development of additional asset classes for the proprietary trading platform
• Reconciliation of trades and positions between internal and external systems

June 2024 - Jan 2025

Senior Software Engineer

• Technologies: Low-Level JVM, Kotlin, Aeron, Terraform, AWS, EC2, Ansible
• Responsible for rebuilding the exchange order handling system aiming for low latency
• Worked closely with QA engineers and junior developers to ensure high-quality code
• Organised a Hackathon, gave presentations for our Backend Guild and lead demonstrations
• Supported the hiring process by conducting interviews and reviewing applications

June 2023 - May 2024

Engineering Manager

• Technologies: Kotlin/JVM, TypeScript, gRPC, React, Kubernetes, Istio, Ansible, MySQL, Mongo DB, Redis
• Responsible for institutional trading API providing market data and handling order requests
• Managed a team of 3 backend developers facilitating their growth
• Supported cross-department initiatives like improving hiring, or establishing coding standards
• Focus on reducing latency, increasing throughput and adding more features to the exchange

July 2022 - May 2023

Tech Lead Exchange Team

• Responsible for price history, transaction history and order handling systems
• Leading a team of 3 frontend and 3 backend developers working with TypeScript, React, React Native and Nest.js
• Working on Kubernetes migration, source code standardisation, monitoring and deployment automisation
• Managing the listing process of new cryptocurrencies on the exchange across the company

Sept 2021 - June 2022

Team Lead for an undisclosed asset class

• Lead a team of four C++, Java and Frontend Engineers distributed across Hong Kong and the Netherlands
• Full-stack development of Java and Node.js backends as well as an Electron frontend
• Developed a data streaming application based on Apache Kafka and Hazelcast
• Finalised a trading engine for deployment into production
• Improved performance in a low-latency system
• Established Scrum methodology with planning and retrospectives

June 2020 - Aug 2021

Team Lead Frontend

• Technologies: Node.js, Java, TypeScript, gRPC, Electron, React, Kubernetes, Keycloak and MariaDB
• Lead frontend team of five across four focus groups
• Responsible for frontend design of trading UI “Cockpit”
• Deployment automisation with Kubernetes and Helm in CI/CD pipeline
• Maven plugin to generate TypeScript bindings from gRPC
• Completed leadership and interview trainings

Apr 2019 - May 2020

JavaScript Engineer

• Technologies: Node.js, Java, TypeScript, GraphQL, REST, React and MariaDB
• Responsible for tools assisting backoffice teams
• Built up frontend development pipelines, processes and team
• Knowledge sharing and consulting of frontend technologies across departments

Aug 2016 - Mar 2019

Full-Stack Developer

• Technologies: Jetty, Java, Node.js, TypeScript, REST, React, Redis and MongoDB
• DBaaS software frontend and backend enhancement
• Research work on databases and Web APIs
• Automatised webpage tests with Puppeteer
• Cluster management and Jenkins pipelines

July 2014 - Aug 2017

Senior Developer

• Technologies: PHP, Symfony, TypeScript, React and Aurelia
• Company bootstrapping, fair exhibitions (e.g. CeBIT)
• Designed CMS and CRM backend following DDD and OO best practices

Apr 2014 - Sept 2016

Student Assistant

• Development on the Petri net software “RENEW”
• Support at “Girls’ Day” 2016 for 3D computer graphics
• Exercise supervision for databases and information systems

Apr 2012 - Dec 2014

Head of Development

• Sole maintenance of a CRM with PHP and Zend Framework
• Integration of a frontend framework with Backbone.js
• PDF generation with LaTeX
• Independent system operation with Vagrant and Chef

Oct 2013 - Apr 2019

Software Service Provider

Implementation of various commercial web projects as a freelancer