Nikunjkumar Parmar - Senior Java Backend Developer

Q: Where is Nikunjkumar based?

Nikunjkumar is based in Kleinmachnow, Germany .

Q: What languages does Nikunjkumar speak?

Nikunjkumar speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Nikunjkumar have?

Nikunjkumar has at least 21 years of experience. During this time, Nikunjkumar has worked in at least 8 different roles and for 14 different companies . The average length of individual experience is 2 years and 6 months . Note that Nikunjkumar may not have shared all experience and actually has more experience.

Q: What is Nikunjkumar's latest experience?

Nikunjkumar's most recent position is Senior Java Backend Developer at Questax Professionals GmbH .

Q: What companies has Nikunjkumar worked for in recent years?

In recent years, Nikunjkumar has worked for Questax Professionals GmbH and Thryve .

Q: Which industries is Nikunjkumar most experienced in?

Nikunjkumar is most experienced in industries like Information Technology (IT) , Insurance , and Automotive . Nikunjkumar also has some experience in Tourism and Hospitality , Transportation and Logistics , and Retail .

Q: Which business areas is Nikunjkumar most experienced in?

Nikunjkumar is most experienced in business areas like Information Technology (IT) , Product Development , and Operations . Nikunjkumar also has some experience in Supply Chain Management , Quality Assurance (QA) , and Business Intelligence .

Q: Which industries has Nikunjkumar worked in recently?

Nikunjkumar has recently worked in industries like Insurance , Information Technology (IT) , and Automotive .

Q: Which business areas has Nikunjkumar worked in recently?

Nikunjkumar has recently worked in business areas like Information Technology (IT) , Product Development , and Operations .

Recommended expert

Kleinmachnow, Germany

Experience

Mar 2024 - Present

2 years 1 month

Senior Java Backend Developer

Questax Professionals GmbH

Provide the Price Listing Service Team Price for all cars and vans in different markets
Adjust market-specific requirements like taxes, government subsidies, campaigns
Import, synchronize and store new prices for all new and existing cars in Redis datastore
Support our product and handle on-call duties
Daily operations, developing new features, bug fixing
Pair programming, code reviews, mob programming
Develop POCs for new ideas
Maintain and extend the backend
DevOps tasks
Perform Kubernetes updates
Adjust and further develop Kubernetes resources
Develop and customize Helm charts
Adjust and update ArgoCD
Maintain, adjust and further develop CI/CD pipelines

Mar 2021 - Dec 2023

2 years 10 months

Senior Java Software Developer

Thryve

Migrated a monolithic system to a microservice architecture using Spring Boot and Kotlin
Further developed the insurance domain products based on Kotlin and AngularJS
Code reviews, pair programming, mob programming
Coach and support a junior developer in the team
Maintain and extend backends
Support the DevOps team

Sep 2020 - Dec 2020

4 months

Fullstack Senior Software Developer

Hays AG

Migrated a monolithic system (Node.js) to a microservice architecture with Spring Boot and Kotlin
Maintained and extended a backend for an iOS and Android app

Feb 2019 - Sep 2020

1 year 8 months

Fullstack Senior Software Developer

Becon Gmbh

Frontend development with ReactJS, nginx and Node.js
Developed new microservices for the traffic management system
Technology research and selection, effort estimation and design
Feature development based on stakeholder requirements
Bug fixing and daily tasks
Message-driven API design
Software development using DDD and TDD
Integration with other Siemens microservices

Sep 2018 - Dec 2018

4 months

Senior Software Developer

MO DIS

Provided technical support to the big data team
Event sourcing and event mapping to other formats
Supported the data science team
Schema migration in MongoDB

Feb 2018 - Aug 2018

7 months

Senior Software Developer

VARIOUS IT

Design and implementation of APIs
Refactoring and migrating legacy code into a modern tech stack
POC for an ETL pipeline with different technologies
Refactoring and redesign of legacy code
Continuous integration & deployment to a Kubernetes cluster

May 2017 - Dec 2018

1 year 8 months

Senior Software Developer

PENTACOR GMBH

Design and implementation of APIs
Software architecture design
Continuous integration & deployment to a Kubernetes cluster

May 2016 - May 2017

1 year 1 month

Senior Software Developer

DIS AG

Implementation of the API for shipment batch upload and complaint upload for partners
Feature development
Refactoring and redesign of the software architecture
Continuous integration & deployment
JSF web framework, migration from PrimeFaces 3.0 to the current version
Migration of the web application from JDK 6 to JDK 8
Centralization of logs using an ELK stack
Introduction and integration of Scala into the existing codebase

May 2013 - May 2016

3 years 1 month

Senior Software Developer, Team Lead

MeteoGroup GmbH

New development and maintenance of the central backbone service that provides weather-related information to all clients in various programming languages
Development and technical support in various projects that consume the backbone content API
Design and implementation of new business objects for the NoSQL database (MongoDB)
Frontend development for analyzing and monitoring the weather data caches
Partial team leadership
Evaluating solutions submitted by applicants for the coding assignment in the hiring process
Mentoring and training new, inexperienced Java developers
Researching and implementing in-memory caching solutions
Migration of legacy and new code to AWS

Nov 2011 - May 2013

1 year 7 months

Senior Software Developer

EHOTEL AG

Integration of the SOLR search engine into the existing web portal
Development and maintenance of a JMS-based search application
Development and maintenance of dynamic database updates using JMS
Development and maintenance of product features
Data modeling for new and existing business objects
Frontend development with Tapestry

Nov 2010 - Nov 2011

1 year 1 month

Software Consultant

The Bakery GmbH

Development of an order entry tool for customer order management used by call center agents
Analysis of user stories and definition of required business processes
Implementation of the business processes in Java
Implementation of the shopping cart in the order entry tool
Implementation of coupon redemption
Frontend development with JavaScript and the Intershop Specific Markup Language (ISML)
Bug fixing and maintenance of the Intershop e-commerce platform

Aug 2007 - Nov 2010

3 years 4 months

Java Developer

Synchronica Software GmbH

Development and maintenance of backend connectors for popular PIMs like MS Exchange, Sun Java Email Server, Lotus Domino, Google
Development and maintenance of a server-side XML filter for device-specific data delivery using XML and XSD
Participation in the Sun Microsystems ODS (Open Data Sync) project
Development of a SyncML client for file synchronization
Development of a SLAMD job for server-side measurements of load test performance
Technical support to Sun Microsystems for integration of the J2ME client
Mobile SyncML client development with J2ME

Feb 2007 - Jul 2007

6 months

Java Developer and Software Tester

Reutax AG

Automation of test cases in Java for embedded systems
Development of a test case interpreter to control the embedded system on-board unit (OBU)
System testing of the OBU (on-board unit) and bug fixing in new software versions

Feb 2001 - Aug 2003

2 years 7 months

Network Solutions Private Limited

Network administration and VoIP configuration
Integration of Motorola routers into Cisco routers
OSPF routing protocol configuration and troubleshooting
Maintenance using NMS and HP OpenView

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (16.5 years), Insurance (3 years), Automotive (2 years), Tourism (1.5 years), Transportation (1 year), and Retail (1 year).

Information Technology

Insurance

Automotive

Tourism

Transportation

Retail

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (21 years), Product Development (16 years), Operations (3 years), Supply Chain Management (1 year), Business Intelligence (0.5 years), and Quality Assurance (0.5 years).

Information Technology

Product Development

Operations

Supply Chain Management

Business Intelligence

Quality Assurance

Summary

Backend software developer with over 15 years of experience
Experience in team leadership, software architecture design and refactoring
Experience in DevOps (AWS, Google Cloud, Kubernetes, Digital Ocean)
Master's degree in Electrical Communication Engineering

Skills

Java (21+) – Spring Boot, Kotlin
Devops – Kubernetes, Helm, Terraform, Argocd, Ci/cd
Javascript, Node.js, Express.js, React, Redux, React-nat
Cloud Tech – Docker, Aws, Google Cloud, Kubernetes, Digital Ocean
J2ee – Jsf, Jsp, Jcr, Jpa
Tools – Eclipse, Intellij, Jira, Confluence
Testing – Junit, Spring Junit, Testng
Build Tools – Maven, Sbt, Gradle
Logging – Log4j, Slf4j
Web Components – Jsp, Servlets
App Server – Spring-boot, Akka-http, Java Spark, Glassfish
Rdbms – My Sql, Postgresql, Hsql (Hypersql Database), Oracle
No-sql – Mongodb, Elasticsearch, Hadoop
Version Control – Git
Operating Systems – Windows, Linux, Unix, Mac
Web-frameworks – Spring, Tapestry, Jsf, React, Angular
Search Engine – Elastic Search, Solr Server, Lucene

Languages

German

Advanced

English

Advanced

Education

Oct 2004 - Jun 2007

University of Kassel

Master of Science, Electrical Communication Engineering · Electrical Communication Engineering · Kassel, Germany

Oct 1996 - Jun 2000

MS University Baroda

Bachelor of Engineering, Electrical Engineering · Electrical Engineering · Vadodara, India

Certifications & licenses

CCNA (Cisco Certified Network Associate)

CCNP (2 exams passed)

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Nikunjkumar based?

Nikunjkumar is based in Kleinmachnow, Germany.

What languages does Nikunjkumar speak?

Nikunjkumar speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Nikunjkumar have?

Nikunjkumar has at least 21 years of experience. During this time, Nikunjkumar has worked in at least 8 different roles and for 14 different companies. The average length of individual experience is 2 years and 6 months. Note that Nikunjkumar may not have shared all experience and actually has more experience.

What roles would Nikunjkumar be best suited for?

Based on recent experience, Nikunjkumar would be well-suited for roles such as: Senior Java Backend Developer, Senior Java Software Developer, Fullstack Senior Software Developer.

What is Nikunjkumar's latest experience?

Nikunjkumar's most recent position is Senior Java Backend Developer at Questax Professionals GmbH.

What companies has Nikunjkumar worked for in recent years?

In recent years, Nikunjkumar has worked for Questax Professionals GmbH and Thryve.

Which industries is Nikunjkumar most experienced in?

Nikunjkumar is most experienced in industries like Information Technology (IT), Insurance, and Automotive. Nikunjkumar also has some experience in Tourism and Hospitality, Transportation and Logistics, and Retail.

Which business areas is Nikunjkumar most experienced in?

Nikunjkumar is most experienced in business areas like Information Technology (IT), Product Development, and Operations. Nikunjkumar also has some experience in Supply Chain Management, Quality Assurance (QA), and Business Intelligence.

Which industries has Nikunjkumar worked in recently?

Nikunjkumar has recently worked in industries like Insurance, Information Technology (IT), and Automotive.

Which business areas has Nikunjkumar worked in recently?

Nikunjkumar has recently worked in business areas like Information Technology (IT), Product Development, and Operations.

What is Nikunjkumar's education?

Nikunjkumar holds a Master in Electrical Communication Engineering from University of Kassel and a Bachelor in Electrical Engineering from MS University Baroda.

Does Nikunjkumar have any certificates?

Nikunjkumar has 2 certificates. These include: CCNA (Cisco Certified Network Associate) and CCNP (2 exams passed).

What is the availability of Nikunjkumar?

Nikunjkumar is immediately available for suitable projects.

What is the rate of Nikunjkumar?

Nikunjkumar's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.