C# .NET Senior Developer

Thales; Pulau Untung Jawa; On-site; IDR 1,075,462,000 - 1,523,571,000; Full time

Job summary

Thales is seeking an experienced C# .NET Development Engineer for the ABACUS Agile Scrum Team in Jakarta. You will develop and qualify key ABACUS functions based on CINCOM CPQ, collaborating with vendors to enable autonomous development and ensure solution delivery aligns with business needs.

You will design and implement stories, perform testing, and document configurations. The role requires strong communication, a proactive mindset, and a passion for secure, scalable IT solutions in a global

Qualifications

• 5+ years of experience developing .NET applications in C#, ideally with CINCOM CPQ.
• Proven ability to learn quickly and adapt to complex technical environments.
• Strong interpersonal skills for vendor and stakeholder collaboration.
• Open-minded and culturally agile to thrive in a multicultural, global environment.
• English skills required for the role.

Responsibilities

• Develop user stories as specified by the Product Owner, aligned with business needs.
• Conduct unit and component testing; contribute to non-regression testing campaigns.
• Document implementation and configuration of stories for knowledge sharing and compliance.
• Collaborate with vendor (e.g., CINCOM) to gain autonomy over solution development.

Skills

5+ years in .NET/C#

Learning quickly

Interpersonal skills

Multicultural environment

English proficiency

Tools

CINCOM CPQ

Visual Studio

GitLab

SonarQube

JIRA

CI/CD pipelines

Cloud platforms (Azure/AWS)

Job description

Location: Jakarta, Indonesia

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust.

Thales has been present in the Republic of Indonesia for 45 years in the defence, aerospace and space domains, delivering a wide range of civil and defence solutions that highlight our strong commitment to working with the Indonesian government and local stakeholders. In recent years, our innovative solutions in air traffic management systems and telecom satellites have further strengthened our presence in the country alongside our digital portfolio of solutions such as biometrics, data protection and cybersecurity now serving the needs of diverse customers in civil sectors.

Within Thales Global Services , the IS-IT (Information Systems & IT) division delivers reliable IT solutions to support the Group’s key functions, embodied by Value Towers. Among these, the Sales & Marketing and Bid & Project Value Towers have inspired the ABACUS initiative —a solution designed to accelerate the generation of commercial offers for Spares & Repair across the Thales Group. ABACUS enables the accurate and efficient creation of transactional offerings to drive recurring revenue.

To enhance the operational efficiency of ABACUS in production , IS-IT seeks to internalize the required expertise by recruiting an experienced C# .NET Developer. As part of the ABACUS Agile Scrum Team (alongside the Scrum Master and Product Owner), your mission will be to develop and qualify the key functions of the ABACUS solution, based on CINCOM CPQ (Guru Management Studio).

Key Responsibilities

As the C# .NET Development Engineer of ABACUS , you will:

• Develop user stories as specified by the Product Owner, ensuring alignment with business needs.
• Conduct unit and component testing , and contribute to non-regression testing campaigns to guarantee solution stability.
• Document implementation and configuration of the user stories and technical stories for knowledge sharing and compliance.
• Collaborate with vendor (e.g., CINCOM) to gain autonomy over the development of the solution,

Experience & Soft Skills

• 5+ years of experience in developing .NET Applications in C# , ideally with CINCOM CPQ.
• Proven ability to learn quickly and adapt to complex technical environments.
• Strong interpersonal skills to effectively interact with vendors, stakeholders, and cross-functional teams.
• Open-mindedness and cultural agility to thrive in a multicultural environment (Thales operates globally).
• Due to the nature of the work English Skills is required.

Technical Skills

• Proficiency in C# on .NET environments (development, debugging and optimization using Visual Studio ).
• SQL Server (query writing, database design, and performance tuning).
• Microsoft PowerShell (scripting for automation, deployment, and system management).
• Knowledge of CI/CD pipelines and code quality analysis (GitLab, SonarQube).
• Cloud-based development and deployment (experience with Azure, AWS, or Thales internal cloud is a plus).
• Agile/Scrum methodologies (familiarity with sprint planning, backlog refinement, and collaborative tools like JIRA).

At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world.