Janko Stijepović

Solution Architect

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Belgrade, Serbia

Experience

Feb 2024 - Present
2 years

Solution Architect

Yettel Bank

  • Developed detailed architectures and designs for various initiatives
  • Created system, context, component, infrastructure logical diagrams for bank applications
  • Demonstrated proficiency with Microservices, APIs, platform infrastructure
  • Presented application systems and technology infrastructure to Team Leaders, Project Managers and Directors
  • Monitoring of Microservices and infrastructure using Dynatrace, Argo CD and Grafana
  • Collaborated with external vendors and internal business users
May 2023 - Present
2 years 9 months

Senior Java Software Engineer | Solution Architect

JMV Solutions

  • Designed architecture and database for a career platform based on functional and non-functional requirements analysis
  • Designed RESTful APIs with proven patterns to enhance platform functionality and user experience
  • Documented API functionalities for seamless integration and future scalability
  • Tech: UML, Java 11, Spring, Spring Boot, PostgreSQL, JIRA, Confluence
Oct 2022 - May 2023
8 months

Senior Java Software Engineer

Luxoft

  • Modernized and migrated Healthcare application to the Azure platform for a US client
  • Designed integration architecture and replaced old Oracle ADF modules with new Java and Spring ones
  • Shared knowledge with team members about application development with Oracle Application Development Framework (ADF) and best practices
  • Tech: Java 11, RESTful Services, UML, Oracle ADF, Oracle JDeveloper, IntelliJ IDEA
May 2021 - Oct 2022
1 year 6 months

Senior Solution Developer | Team Lead

Engineering Ingegneria Informatica Spa

  • Refactored monolithic application into microservices by extracting services from it
  • Developed a new system design and functionalities of banking application for one of the largest banks in Europe
  • Solution based on WebSphere Application Server (WAS) using Java, Microservices and Struts framework along with JSP, jQuery and JavaScript
  • Used Agile process flow in JIRA to move tasks from one activity to another
  • Environment: Java 8, Spring Boot, Spring JDBC, PostgreSQL, Struts, WebSphere AS, SOAP/REST, AWS, JSF, JSP, IntelliJ, Eclipse, SQL Developer, Git, Maven, JIRA
Jul 2018 - May 2021
2 years 11 months

Full-Stack Java Software Engineer | Team Lead

Profit Concepts International

  • Developed, maintained and optimized modules of a large SaaS Asset Management Solution based on Oracle Database, JEE for a US client
  • As member of architecture team designed and organized new system modules
  • Debugged complex software issues in a high-pressure environment, leading to a 20% increase in system efficiency and reliability
  • Analyzed requirements and assigned tasks to team members
  • Led a team of 4 people using Agile – Scrum methodology
  • Technology & Tools: Java 8, Spring, Spring Boot, Tomcat, Oracle DB, XML, Hibernate, PostgreSQL, JavaScript, JSF, JSP, HTML/CSS, Git, JIRA, Confluence
Jan 2018 - Apr 2020
2 years 4 months
Remote

Senior Java Software Engineer – Remote

JMV Solutions

  • Worked on Jahia CMS platform and NodeJS to develop templates and AMP pages
  • Used Jahia GraphQL JCR implementation to perform queries
  • Used Agile – Scrum methodology
  • Tech stack: Java 8, Hibernate, Oracle DB, AWS, JavaScript, JSF, JSP, SOAP/REST, NodeJS, HTML/CSS, jQuery, XSD, XSLT, XML, Docker, Maven, Eclipse, Git
Nov 2016 - Sep 2017
11 months

Senior Java Developer with Apache Camel

Forex Club

  • Developed middle-tier integration layer of a large trading application using REST Web Services, Spring, Spring Boot, Java, JMS
  • Designed architecture of messaging platform using Apache tools: Camel as integration framework, ServiceMix as integration container, ActiveMQ as message broker and Drools as BRMS
  • Used Agile – Scrum methodology for service development
  • Development environment: Eclipse, Git, Gradle, Jira, Confluence
Nov 2015 - Oct 2016
1 year

Senior Java Software Engineer

Profit Concepts International

  • Performed business analysis, user stories, and development of presentation layer and back-end services of retail management system for US client
  • Full-stack development using Java, Spring MVC, OAuth 2 security, and Servlets
  • Developed Spring RESTful web services producing JSON and XML documents
  • Handled B2B integration using EDI ANSI X12 and translated PDF data to and from Order Entry Systems using J2EE technology
  • Performed in-depth data analysis and prepared periodic reports using MS SQL Server, T_SQL and MS Excel
Mar 2014 - Nov 2015
1 year 9 months

webMethods Developer & ARIS-BPM Consultant

M&I Systems

  • Developed Web Services and webMethods Flow services on webMethods platform
  • Designed business processes with webMethods Designer
  • Connected applications and data via JMS, Integration Server Universal Messaging, webService interface, JDBC, XML, JSON and adapters
  • Project: Procure to Pay / Purchase to Pay process in Public Enterprise Electric Power Industry of Serbia (EPS)
  • Developed business architecture in EPS and subsidiaries using ARIS methodology and ARIS Business Architect
May 2012 - Feb 2014
1 year 10 months
Belgrade, Serbia

IT Solutions Consultant | Senior Software Engineer

ComTrade Group

  • Project: Technical assistance to strengthen the institutional capacity of the Serbian Tax Administration for efficient financial and material accounting management (EU-funded IPA project)

  • Developed business architecture, BPM and proposed solutions for system integration issues

  • Reported to EU-based C-level consultants and participated in strategic planning

  • Project: Improvement of transparency and efficiency in public prosecution and penal system of the Republic of Serbia

  • Developed a web-based application in the justice area using Java, RichFaces, JSF, JSP, CSS and Tomcat

  • Used EMC Documentum ECM for document storage and retrieval

Dec 2008 - Apr 2012
3 years 5 months
Belgrade, Serbia

IT Quality Manager & QA Team Lead

Comtrade Group

  • Worked with cross-functional teams including SD, Sales, Marketing and Legal
  • Trained and mentored employees, achieving ISO 9001:2008/TickIT certification
  • Managed internal audits in line with ISO 9001
  • Led a QA team of 6 people, tracking issues to ensure quality and on-time delivery
Nov 2007 - Nov 2008
1 year 1 month
Belgrade, Serbia

Java Software Engineer

Comtrade Group

  • Project: Central IS real estate business application for US client
  • Performed business analysis and developed retail management system
  • Developed web application with Apache Jackrabbit, JSP and RichFaces
  • Technologies: Java, Hibernate, MySQL, JBoss AS, RichFaces
Apr 2007 - Oct 2007
7 months

Java – Oracle ADF Developer

Fadata

  • Designed SOA of Insurance IS (INSIS) used in large insurance companies
  • Built back-end application parts and web services using Oracle ADF BC, XML, XPath, XSD, Java and in-house framework
  • Participated in database design and administration
Oct 2005 - Mar 2007
1 year 6 months

Java – Oracle PL/SQL Developer

IGEA d.o.o.

  • Project: Web-based application for metadata evidence from GIS of Maribor municipality

  • Responsible for database design, writing test scripts and developing web pages using HTML, JSP, CSS and Struts

  • Developed PL/SQL procedures and triggers per business requirements

  • Wrote modules to access Oracle database with JDBC, SQL and Java classes

  • Project: Calculation of taxes for agricultural land for Serbian Tax Administration

  • Developed Oracle ADF Business Components and PL/SQL blocks for tax calculation

  • Used Java, JDBC, JDeveloper IDE and Toad tools

Jan 2001 - Dec 2005
5 years
Belgrade, Serbia

ERP Consultant – Oracle Application Developer

Digit

  • Developed and maintained HR management and payroll processing applications
  • Designed database using entity relationship models
  • Tech stack: Oracle Forms6i/9i, Reports6i/9i, PL/SQL, SQL, Oracle Database
Jan 1992 - Dec 2000
9 years
Podgorica, Montenegro

Software Developer/Team Leader

IT Department of Ministry of Defense of Yugoslavia

  • Tech stack: MS Windows NT 3.51/4.0, Novell NetWare, GCOS, COBOL, Clipper, SQL

Skills

  • Management: Team Management, Quality Management, Project Management, Jira, Confluence
  • Architecture And Design: Microservices Architecture, Client-server, Multi-layer, Monolithic Architectures, Strong Oop, Ood, Uml, Structured Systems Analysis And Design (Ssad), Er Modeling, Bpm
  • Programming & Dev: Java, Design Patterns, Spring, Spring Boot, Oracle Adf Bc, Jdbc, Hibernate, Struts, Drools, Log4j, Json, Xml, Xsd, Xslt, Ant, Maven, Gradle, Pl/sql, Oracle Forms & Reports
  • Database Design & Database Servers: Oracle 9i/10g/19c, Mssql, Mysql, Postgresql, Db2, Mongodb
  • Integration: Software Ag Webmethods, Apache Servicemix, Camel, Activemq, Bpmn 2.0, Kafka
  • Web Development: Javascript, Html, Jquery, Jsp, Jsf, Css, Richfaces, Xhtml, Ajax, Angularjs, Bootstrap, Jboss, Tomcat, Oracle As
  • Qm & Test: Manual And Automatic Testing, Bug Tracking, Iso 9001:2008/tickit, Quality Assurance
  • Personal Skills: Analytical, Responsible, Goal-oriented, Excellent Organizational Skills, Presentation, Negotiation And Communication Skills, Strong Interpersonal Skills And Team Leadership Experience.

Languages

Serbian
Native
English
Advanced
Russian
Intermediate

Education

Oct 1987 - Jun 1992

University of Belgrade

Computer Science, 5-year university undergraduate degree · Computer Science · Belgrade, Serbia

Certifications & licenses

Kafka Fundamentals

Luxoft

ESB With Apache Camel & Servicemix, Workshop

Forex Club

Software AG Webmethods - BPM, Process & Task Engine, Rules Engine, UM

M&I Systems

Bpm Using Aris Methodology And Aris Business Architect

M&I Systems

Modeling Business Processes Using Sybase Powerdesigner Tool

MD&Profy

ISO 9001:2008 Internal Auditor Training Course

Oracle Application Development Framework (ADF) And Business Objects

Fadata, Sofia

ISO 9001:2008/TickIT certification

Comtrade Group

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