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

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.

Experience
C
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,

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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

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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).

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partner
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

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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

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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

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Software Developer
OpenMinds
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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

I
Database Developer
Innoteq
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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.

S
Lead Developer/Software Developer
Soft
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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

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

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Languages
English
Native