Backend Developer - Senior

Job description / Role

about the role

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.
- Integrate front-end components into applications.
- 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.

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

department
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.

About the Company

Orange is one of the world’s leading telecommunications operators with sales of 43.5 billion euros in 2022 and 136,000 employees worldwide at 31 December 2022, including 75,000 employees in France. The Group has a total customer base of 287 million customers worldwide at 31 December 2022, including 242 million mobile customers and 24 million fixed broadband customers. The Group is present in 26 countries. Orange is also a leading provider of global IT and telecommunication services to multinational companies under the brand Orange Business.