Senior Java Backend Developer (M/F)

  • Friedrichstraße 224, 10969 Berlin, Germany
  • Full-time

Company Description

About Team2Venture GmbH

twago is a successful, internationally active enterprise on its way to becoming an established online company. We are changing the world of teamwork by connecting freelancers and business clients from all over the world in order to successfully manage various projects.

Job Description

Are you looking for a new job that is both challenging and exciting? Do you like to create the missing puzzle pieces, discovering and improving processes to become more efficient? Are you eager to change the world of online work with us? If you want to profit from numerous benefits and working in a start-up atmosphere excites you, twago is the right place for you!

For our office in the heart of Berlin we are looking for you to start as soon as possible as

Senior Backend Developer (m/f)

for twago - Europe's largest online platform for freelance work (

and twago talentpool - a whitelabel corporate talent pool solution (


Your role as Senior Backend Developer

 As part of an experienced, high-performing development team (currently 9 people) you will have a major responsibility for our Backend Development. You play an essential role in the process of delivering meaningful products and features to our two platforms and move your team forward. Developing our server-side, Java-based web applications will be your field of expertise. Our backend tech stack includes: MariaDB, Tomcat, Spring, Hibernate, ElasticSearch & Logstash, Play Framework, Ebean, Guice, Docker, Redis, ANTLR etc.





Your qualifications

• BS/ MS in Computer Science or a related academic area, or equivalent work experience

• 4 years of full-time work experience in software development with extensive experience in building web-centric products in Java

• Demonstrated technical contribution to at least one crucial middle-tier project or product, from conception to production release

• Proven experience building systems which apply modern middle-tier architecture and design patterns

• Experience in building solutions for high traffic web sites is appreciated


What you should bring in 

• Excellent programming skills in Java, the following terms ring a bell: class loader, cafebabe, serialization, happens-before, covariant, polymorphism, closures/lambdas.

• You understand that OO-programming is more than class hierarchies

• Experience with classic Java web frameworks, such as Spring-MVC, Stripes, JSF, Wicket and open for modern ones like Play Framework

• Good understanding of web standards and architectures (HTTP, MVC etc.) and eager to go beyond (Http/2 etc.)

• Understanding of web performance best-practices (Caching, bundling etc.) and their architectural implications

• Basic knowledge of Javascript/ HTML/ CSS/ Ajax coding skills

• Familiarity with agile development & startup mentality

• Desire to work closely with your colleagues, move your team forward and make it greater

• Excellent written communication and documentation abilities in English

• Familiar with distributed VCS like GIT, Mercurial and agile methodology

• Experience with relational Databases (MySQL, Postgres, etc)

A plus would be

• Interest for DevOps on the live system

• Other languages (Grails, C#, Ruby, Scala, Python)

• NoSQL knowledge (Mongo, Redis, etc) , SearchEngines (ElasticSearch),

• ML knowledge (text analysis)

Additional Information

What's in it for you

• Flexible working time arrangements

• Option to choose your computer and equipment from an available selection

• Working alongside an experienced, successful and international team

• Competitive salary and very attractive office in the heart of Berlin (Kreuzberg)

• An ideal environment in which you can grow within a start-up atmosphere

• A fantastic opportunity to learn and do more outside of your current comfort zone

• Increasing autonomy, authority and accountability based on your contributions

• Opportunity to bring in and realize your own ideas

• Fresh fruits, drinks and joined lunch every week

• Working on Europe's largest online platform for freelance work

Become a part of our team!

Please send your application as “Backend Developer (m/f)” with your availability and salary expectations addressed to Jasmina Trajanovska.  We look forward to meeting you.


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