Job details

Lisp Developer

Company details

3E is an independent technology and consulting company in renewable energy and energy efficiency. The company offers expert technical guidance and due diligence services for project developers, utilities and financial institutions. Additionally it offers a suite of software services that enhance the performance of renewable energy plants, facilitate the implementation of smart grids and assess the energy efficiency improvements in buildings. 3E has also a track record in advising corporate and public authorities on sustainable energy technology, policy and markets.

Its clients include renewable energy project developers, energy utilities, architectural offices, suppliers in the construction markets, maintenance companies, financial institutions and regional and international public authorities.

3E is a fast moving SME and was awarded in 2011 with the Gazelle trophy for its fast growth. It has also been granted the Belgium Top Employer Award in 2012.


The product

SynaptiQ is 3E’s software-as-a-service product, an independent, evolutionary software suite for asset management of renewable energy portfolios (more information on SynaptiQ collects near-real time data of more than 500k devices spread over 6000 utility scale and commercial solar and wind sites.

The added value realized by SynaptiQ is performance improvement and operational cost reduction.

The job

You join a team of developers, scientists, engineers and business developers that develop, operate and commercialize SynaptiQ worldwide.

You work in a Linux-based Java, Clojure and Common Lisp environment. Your focus is on the development, maintenance, design and unit testing of SynaptiQ’s real-time aggregation and alerting engine that processes time-series and events. This data engine is Common Lisp based.

The objective is to own the entire lifecycle of the platform, that is from the architecture and development of new features to the deployment and operation of the platform in production environment. The position is open to candidates with no knowledge of LISP if they have a good affinity and experience in functional languages.


  • Master degree in IT or IT engineering with at least 3 years’ work experience in an operational environment.
  • Strong sense of architectural balance and the implications of changes to a many-layered system.
  • Experience in functional language and readiness to get hands-on with a LISP data engine. Prior experience with functional languages like Clojure or Scala is a strong asset.
  • Prior experience in Linux administration and shell scripting is an asset.
  • Prior experience with MySQL and Java is also an asset.
  • Demonstrated ability to operate effectively in a multi-tasking environment.
  • Team player with good communication skills
  • Fluent in English


In addition to a stimulating atmosphere in a young and highly motivated group of people, 3E offers:

  • Attractive salary package in line with your level of experience, including group insurance, hospital insurance, meal vouchers, representation allowance, company mobile phone and profit sharing scheme
  • Sustainable transport: Easy access with public transport, 100% reimbursement of public transport fare
  • An international environment: projects in over 25 countries worldwide, colleagues of over 15 nationalities

  • Placed on:Fri 4 May 2018
  • Location: Brussels


Kalkkaai 6 Quai à la Chaux
1000 Brussels



For more information:
at the number: +32 (0)2 229 28 94
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