Data Analyst
Location: GR, I, Athens
Employment type: Full-time
Required experience: Entry level
Industry: Telecommunications
Function: Marketing
Company profile: Upstream’s mission is to revolutionise the way companies market to consumers through cutting edge technology. This is an opportunity to collaborate with like-minded people in an environment that embraces individual differences and diversity.We offer a challenging and stimulating environment in which employees have the opportunity to work on a vast range of complex projects at the forefront of technical innovation. We are looking for creative, enthusiastic and open-minded individuals to join our innovative team to help both drive our success and uphold our existing reputation within the marketing technology world.What we believeOur values of integrity, perseverance, innovation and respect are at the heart of our company. Our actions are underpinned by these four values, which have become central to Upstream, providing all of our employees with a clear framework from which to make their decisions.1. Integrity & TrustYou are widely trusted and seen as a direct and truthful individual. You present the unvarnished truth in an appropriate and helpful manner, keeping confidences and admitting mistakes without misrepresenting themselves for personal gain.2. PerseveranceYou pursue work and life with energy, drive and a need to finish; you seldom give up before finishing, especially in the face of resistance or setbacks.3. InnovationYou have good judgement about which creative ideas and suggestions will work and a sense about managing the creative process of others. You have the ability to facilitate effective brainstorming and project how potential ideas may play out in the marketplace.4. RespectYou invest time in peers and demonstrates value and reverence for others when due, encouraging co-workers to express opinions and ideas. You promote equality within the workplace, encouraging praise and recognition from employee to employee as well as from the superiors. Professional Development at UpstreamUpstream offers a variety of resources and a range of opportunities to inspire the best possible performance from our employees. Our vast range of departments and global activities provide a strong platform for career development and professional progression. We boast various methods of progression within the company; whether through an upward advancement within a chosen field, expansion across departments or relocation to another office, creating the opportunity to gain both valuable experience and further insight into the international workings of the business. At Upstream, employees have the opportunity to learn new skills, work across different disciplines and global departments and move into new challenges, all within the same company.
Description: As a Data Analyst, you will be part of the Business Intelligence team, providing analytical support that will significantly impact the decision making capability of other roles within the company. You will apply your skills in processing and analyzing big volumes of data to address business questions and maximize campaign effectiveness. A suitable candidate should have a passion for data and problem solving, background in analytics, experience in working with large datasets, and some experience in statistics and software development. 
Requirements: Key AccountabilitiesProduce ad-hoc reports, using raw data sources and reporting tools.Maintain and improve custom BI automation tools.Collect reporting requirements from business users and design specifications for the internal BI platform.Monitor the progress of KPIs and help to find the reason behind any possible fluctuations.Participate in the development of data mining models and algorithms.Initiate the exploration for new campaign insights and patterns.Present your findings to management and provide advice in the decision making process.Knowledge, Skills and ExperienceDegree in Statistics, Mathematics, Applied Mathematics, Computer Science, Engineering or other quantitative field.1-2 years of relevant work experience.Strong SQL skills, including window/analytic functions and query optimization.High proficiency in MS Excel (formulas, pivot tables, charts, etc).Exploratory Data Analysis skills.Knowledge of the R language and/or Pandas is a plus.Experience in data mining (e.g. clustering, regression, classification) is a plus.Experience in NoSQL databases (e.g. MongoDB, Cassandra, HBase) is a plus.Good knowledge of data warehousing and ETL concepts.Scripting skills, preferably in Python.Experience in BI reporting tools (e.g. Tableau, Pentaho, Microstrategy).  Personal CharacteristicsBright, ambitious, self-driven, hard-working and flexible.Able to perform under pressure and deliver results in a demanding and fast-paced environment that requires fresh thinking and innovation.Excellent written and spoken communication skills.Attention to detail.Tech-savvy.Strong quantitative, analytical and computer skills.
Benefits: We offer a competitive base salary and benefits, directly dependent on the candidate’s qualifications and skills. By joining Upstream you will be part of a young, creative and dynamic company undergoing rapid growth and transformation into a global market leader. 
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