Backend Developer - Senior

Publication date : Apr 15, 2026, 12:00AM

Orange Business is here!
About us

Join us at Orange Business!

We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.

Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

About the role

The Data & AI 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.

About you

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

What we offer

• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.
• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).
• Professional Development: training programs and upskilling/re-skilling opportunities.
• Career Growth: Internal growth and mobility opportunities within Orange.
• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.
• Reward Programs: Employee Referral Program, Change Maker Awards.

Only your skills matterRegardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neuroatypia, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.

At Orange, only your skills matter.

Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.