Zsolt .
hungary Pecs, Hungary ( GMT )
20 yrs Experience
Can Join ASAP English: Advanced

I am a software developer with 15+ years of experience that includes backend development, software integrations, and API development. My experience includes extensive freelance work within startups around the world, mostly in agile teams.

I am a software developer with 15+ years of experience that includes backend development, software integrations, and API development. My experience includes extensive freelance work within startups around the world, mostly in agile teams.

Backend Kotlin Developer
CapGemini/Kuehne AND Nagel
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(contractor), CapGemini/Kuehne + Nagel - Remote Oct 2 0 2 1 - Dec 2 0 2 3 Kuehne + Nagel is a logistics company with global freight forwarding and supply chain management solutions ● Created notification service for telemetry alerts ● Created real-time risk management service for shipments ● Architected and implemented scalable event-driven architecture, microservices, REST APIs, and serverless solutions on AWS that handled 0.5 million new shipments per day and processed 5000 events per minute ● Created data pipelines to process and archive real-time IoT streaming data using Kinesis, Firehose, SQS, SNS, and S3 ● Maintained CICD pipelines ● Managed daily DevOps tasks (6 microservices, 16 lambda functions, and the related AWS infrastructure) Technologies: Kotlin, Python, AWS (ECS, Lambda service, S3, RDS/Aurora/PostgreSQL, DynamoDB, DocumentDB, Athena,

Cognito Parameter Store Secrets Manager
ElastiCache/Redis Kinesis Firehose SQS
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SNS, CloudFormation, CodePipeline, CodeBuild, CodeDeploy, CodeArtifact, Cognito, Parameter Store, Secrets Manager), SpringBoot, Troposphere, Swagger/OpenAPI, Docker, Flyway

Backend Java Developer
Western Union
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(contractor), Accenture/Western Union - Remote May 2 0 2 1 - Aug 2 0 2 1 Western Union is an international money transfer provider. ● Created microservices on AWS related to SEPA Instant Payment ● Integrated internal and external APIs, message queues Technologies: AWS (ECS/Fargate), SpringBoot, Java 11, Swagger/OpenAPI, Docker, IBM MQ, Jankins Backend Java Developer (contractor), X-Team - Remote Jan 2 0 2 1 - May 2 0 2 1 X-Team is an agency providing developers as a resource for various clients. ● Created microservices on AWS Technologies: AWS (EC2, RDS, CodeCommit, CodeBuild), Docker, Golang, Python, FastAPI Backend Java Developer (contractor), LSQ - Remote Sep 2 0 2 0 - Dec 2 0 2 0 LSQ provides supply chain financing for companies ● Created microservices on AWS ● Worked on data process workflows ● Created Terraform configurations Technologies: Java, Dropwizard, MySQL, AWS (EC2, S3, Lambda service, API Gateway), Flyway, Terraform Backend Java Developer (contractor), Vroozi - Remote 2 0 1 6 - May 2 0 2 0 Vroozi is a Series A based in the Bay Area that builds cloud-based procurement solutions. ● Engaged to focus on product integrations, development of backend Java, REST APIs, and microservices as a member of the integration team. ● Integrated external invoicing and ERP services (QuickBooks Online SDK, Xero SDK, and Blackbaud API).

NetSuite SuiteTalk
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Technologies: Spring, Spring Boot, Spring MVC, MongoDB, MySQL, AWS (EC2, SQS, SNS, S3, Lambda service, API Gateway), Flyway, Swagger/OpenAPI, Dell Boomi

Backend Developer
Exotic Estates
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(contractor), Exotic Estates Inc. - Remote 2 0 1 5 - 2 0 1 6 Exotic Estates is a luxury vacation rental agency similar to Airbnb based in Las Vegas focused on premium clients. ● Contributed to back office system development and integrated QuickBooks Online for invoicing. Features included reporting, invoicing, and accounting system integrations in PHP. Technologies: PHP, Yii, MySQL, Quickbooks SDK

Team Lead
Multipass Solutions
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2 0 1 2 - 2 0 1 5 Multipass was a VC-backed startup providing software products and services focused on enterprise content management. Held multiple responsibilities that included leading a development team, serving as Scrum Master, maintaining development infrastructure (Gerrit/Git, Jenkins, Jira), and contributing hands-on to software development efforts. Projects: ● Voyager - Lead developer of a data migration toolkit to migrate and transform business data and documents between databases and enterprise documentum management systems (Lotus, EMC Documentum, SQL databases, SharePoint, filesystems). ● MAVIR - Served as a co-developer on a Documentum migration project, responsible for migrating 1 TB of data, encompassing 2 .3 million individual Lotus documents, to EMC Documentum using the Voyager toolkit. ● Intellivector - Product developer for a Documentum processing workflow for handling and recognizing (OCR/ICR) form inputs. The project's primary client was DBS bank in Singapore. ● SPoC/Single Point of Contact - Contributed to development of a PKI based certification handling system to digitally sign passports, with certification able to be exchanged between EU states. Technologies: Java, SpringBoot, OSGi, JBoss EAP, PrimeFaces, Oracle, PostgreSQL

Software Developer
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2 0 0 9 - 2 0 1 2 OpenMinds is a software consulting firm that has grown to ~ 3 0 employees. ● Uniface - Contributed to development of an online game and gamification tool for University of Pécs that challenged university freshmen to find locations in the city. Technologies: Java, Spring Framework, MySQL, JBoss Drools

Database Developer
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2 0 0 8 - 2 0 0 9 Innoteq is a local software consulting firm. ● CAD system - Worked on spatial database and PL/SQL development for National Highway Company.

Lead Developer/Software Developer
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2 0 0 5 - 2 0 0 8 CC Soft was a specialized customer software development shop. ● Role included application development and administration for Subversion and Oracle. ● Built a Postman administration application for Magyar Posta (Hungarian Postal Service). The project included data migration and cleansing. Database Application Developer, University of Pécs, Faculty of Medicine - Pécs, Hungary 2 0 0 2 - 2 0 0 5

CS Engineering
From 1997 to 2001
Bachelor's Degree
University of Pécs - Hungary

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