Karol Kalna

Karol Kalna Email and Phone Number

Senior Software Developer @ Eiger Trading Advisors Ltd
london, greater london, united kingdom
Karol Kalna's Location
London, England, United Kingdom, United Kingdom
About Karol Kalna

Senior software developer with over 10 years in the industry, specializing in backend development using Java Spring to create robust and scalable RESTful microservices. Proficient in cloud technologies, particularly Amazon Web Services, and adept at infrastructure management through Terraform. Additionally, possess strong front-end skills in ReactJS, AngularJS, HTML, and CSS. Committed to delivering high-quality full stack solutions that seamlessly integrate backend and frontend components.

Karol Kalna's Current Company Details
Eiger Trading Advisors Ltd

Eiger Trading Advisors Ltd

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Senior Software Developer
london, greater london, united kingdom
Website:
eigertrading.com
Employees:
24
Karol Kalna Work Experience Details
  • Eiger Trading Advisors Ltd
    Senior Software Developer
    Eiger Trading Advisors Ltd Nov 2021 - Present
    London, England, United Kingdom
    Joined team for a greenfield project, spearheading the replacement of a legacy trading platform. Engaged in Java Spring back-end development using microservices, making use of reactive programming. Worked closely with UX designer to create new front-end web client using ReactJS, implementing a 2-factor authentication feature. Took full ownership of our company's AWS infrastructure and Terraform management, after the departure of our Technical Architect. Continue to actively contribute to the legacy Java platform, developing new features, resolving live issues and overseeing code deployment to clients.
  • Fsb
    Senior Software Developer
    Fsb Jul 2021 - Nov 2021
    London, England, United Kingdom
  • Hewlett Packard Enterprise
    Software Developer
    Hewlett Packard Enterprise May 2016 - Jul 2021
    London, United Kingdom
    Careers Wales Project:Joined as a senior developer to build Java Spring RESTful microservices that provided data through our API gateway. The microservice made use of a Cosmos database for document storage and an Apache Solr instance for rapid searching. The microservice was deployed on an Azure Cloud as a Docker container using Kubernetes. Royal Bank of Scotland Project: Created Groovy scripts within the Structured Data Manager from Micro Focus to process database entries inside our clients database. HM Government Services Project: Created web based Java application to replace old system going out of commission. Worked on both creating back-end Java Spring RESTful microservices and front-end interface using Vaadin web framework. Was in charge of setting up the projects automated builds, testing and deployment using Jenkins for the use of the development team.Department of Work and Pension Project: Tasked with upgrading old system from Java 6 to Java 8 and recreate functionality from Cobol code within Java. Moved codebase from WebLogic to Azure Cloud. Developed a Java Spring back-end service to provide data from our database using JDBC. Worked on integrating the back-end to the Javascript front-end.Deutsche Bank Project: Worked closely with Deutsche Bank employees to gather requirements and develop automated Unix, PowerShell and Python scripts that replaced manual tasks. Used Server Automation applications developed by HP like HPOO, HPSA and Sparx to automate tasks.
  • Openbet
    Software Developer
    Openbet Aug 2010 - May 2016
    London, England, United Kingdom
    During my time at OpenBet I worked in three roles:Games Front-End Team:Led a cross-functional team in the successful delivery of a high-stakes project, developing a bespoke online Blackjack game for a key Canadian client. Spearheaded project initiation, guided development, and ensured on-time delivery.Games Server Team:Contributed to the development of back-end logic for a new online Slot game. Supported customers to fix issues found in live products. Managed data entries in databases, facilitating smooth game development processes.Quality Assurance Team:Streamlined testing procedures by developing Unix Shell scripts, automating manual testing steps. Implemented Jenkins continuous integration tool for daily test runs across multiple code branches, significantly reducing bug backlogs.

Karol Kalna Education Details

Frequently Asked Questions about Karol Kalna

What company does Karol Kalna work for?

Karol Kalna works for Eiger Trading Advisors Ltd

What is Karol Kalna's role at the current company?

Karol Kalna's current role is Senior Software Developer.

What schools did Karol Kalna attend?

Karol Kalna attended Edinburgh University, Cleveden Secondary.

Who are Karol Kalna's colleagues?

Karol Kalna's colleagues are Rahmat Lizardian, Alia Dabsha, Stuart Smith, Ginanjar Bakti, David Kim, Ahyu Ayu, Stewart Lane.

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