Backend Developer

**Votre rôle**:
The OBS IT department is in charge of decision-making information systems, serving Orange Business Services different line of businesses such as marketing, pre-sales, sales, production, after-sales services, and customer-service for both France and international domains.

In this context, the ORBIT will be accessed by OBS Project managers and the Customers’ local contact (up to 1000 user). It will be mainly used for calculating the profit and loss of different projects

The portal will be developed in Agile SCRUM mode and it aims to bring an advanced digital / analytical features.

**Key Tasks and Responsibilities**

The developer will be working closely with the technical lead, the SCRUM master managing the project, in addition to the product IT delivery manager. He/she will be responsible of the back-end development activities.

In an Agile context, the back-end developer is required to undertake the following responsibility:

- Build efficient back-end features in Python or using Java springboot.
- Designing and developing of APIs on a high quality level.
- Managing the interchange of data between big data platform and front-end components.
- Collaborating with the front-end developers, UX/UI designers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Ability to understand and disseminate requirements information from requirements documents into practical work instructions such as Jira User stories.
- Analyze and provide suggestions to identify and improve backend performance and usability. Focus on building scalable backend solutions is a mandate.
- Estimate level of effort, and offer suggestions to improve processes.
- Implementation of security and data protection.
- Prepare technical documentation.

**Votre profil**:
**Functional Skills**:

- Strong ability to work in a team
- Adept at various technologies
- Excellent written and verbal communication skills
- Time management

**Technical Skills**:

- Proficiency in the following skills and technologies:

- Microservices design
- Java SpringBoot development
- Python using Django as a Python framework.
- Hands on knowledge of Hadoop, Spark, Kafka, Hive, Impala, Sqoop, Oozie, Hbase, YARN, Zookeeper, Scala, HUE
- Relational Databases (MySQL/ SQL server/ PostgreSQL ).
- No SQL databases (MongoDB/Cassandra).
- Development of RESTful APIs.
- CI/CD Development.
- GIT/GITLAB.
- Linux and shell scripting.
- Implementing data security capabilities such as tokenization, encryption and anonymization
- Proficiency in one or more of the following skills and technologies:

- SOA, EDA, micorservcies and design patterns
- Javascript, Agular 2+, HTML5, CSS3
- Bonus point Java, Node.js
- Good experience in working in Agile and DevOps is a plus
- ITIL foundation knowledge (certificate is a plus)

**Educational background**:

- B.Sc. in computer science or equivalent
- Fluent in English, French is a plus

**Professional Experience**:

- 5+ Years work Experience in software development activities

**Le plus de l'offre**:
N/A

**Entité**:
Chief Technology Info Office
- Orange Business manages and integrates the complexity of international communications, freeing our customers to focus on the strategic initiatives that drive their business. Our extensive experience and knowledge in global communication solutions, together with our understanding of multinational business and local support in 166 countries and territories, ensure that our customers receive a consistent, global solution wherever they do business

**Contrat**:
CDI