Senior Backend Software Engineer, Core Squad

Diabolocom; Paris; Hybride; EUR 90 000 - 130 000; Plein temps

Avantages offerts par ce poste

Collaborative team

Distributed systems work

Career growth

Remote work

Résumé du poste

Diabolocom is seeking a Senior Backend Software Engineer to join its Core Squad in Paris. You will design, build, and optimize back-end services for data gathering, processing, and delivery, shaping core product architecture for a cloud-based, scalable platform.

You will work with Kotlin (preferred) or Java, PostgreSQL, and distributed systems, collaborating with product and other squads. The role offers flexible work arrangements and opportunities for growth in a fast-growing global company.

Qualifications

• 7+ years in software development in product-focused companies.
• 3+ years with Kotlin (preferred) or Java.
• Experience with PostgreSQL.
• Experience in designing distributed systems.
• Strong autonomy with leadership potential.

Responsabilités

• Design, build, and optimize back-end services for data gathering, processing, and delivery.
• Ensure high-quality engineering with tests, metrics, alerts, and documentation.
• Define and maintain service contracts for inter-system communication.
• Collaborate with product teams to align technical solutions with customer needs.

Connaissances

Kotlin

Java

PostgreSQL

Distributed systems

Leadership potential

Description du poste

Diabolocom enables organizations worldwide to build brand loyalty and drive sales growth. Our innovative, cloud-based contact center solution leverages AI-driven technologies to optimize the customer experience. We empower Customer Service and Sales teams to handle inbound and outbound interactions seamlessly across multiple channels, ensuring premium voice quality, real-time analytics, and robust global scalability.

Our platform integrates with leading CRMs and offers a wide range of APIs and services in multiple languages. With offices in Europe, the USA, Brazil, and the UAE, and 350+ clients operating in 60+ countries, we are constantly evolving and seeking talented individuals to join our team.

In the context of our exponential growth, we are strengthening our internal engineering team and opening a Senior Backend Software Engineer position in our Core Squad.

About the Core Squad

The Core Squad is responsible for the design and development of all key entities of our product, ensuring proper interaction between other squads and services. We also realize the isolation of entities within our application to achieve the convenience of large customers.

As part of the Core Squad, you will:

• Design, build, and optimize back-end services for data gathering, processing, and delivery.
• Ensure high-quality engineering practices with thorough test coverage, robust metrics, alerts, and clear documentation.
• Define and maintain service contracts to ensure seamless communication between systems.
• Work closely with the product team to align technical solutions with customer needs.

Technical Stack:

Our team currently consists of:

• 2 backend developers
• 2 frontend engineers (shared between two teams)
• 1 team lead

What We’re Looking For:

• 7+ years in software development within product-focused companies, with at least 3+ years working extensively in Kotlin (preferred) or Java.
• Experience working with relational databases ( PostgreSQL preferred).
• Experience in designing and implementing effective distributed systems. Ability to make architectural decisions and evaluate their impact on system performance, scalability, and reliability.
• Strong autonomy and leadership potential, with a willingness to grow into a lead role.
• Comfortable working with and improving an existing codebase.
• Strong engineering culture, attention to the details, business-centric mindset.

What We Offer:

• A collaborative and innovative team environment.
• The opportunity to work on cutting-edge distributed communication systems.
• Career growth opportunities within a fast-growing global company.
• Flexible work arrangements and remote work options.

Recruitment Process:

• Technical challenge on HackerRank platform
• Intro call with a Talent Acquisition Manager
• Design interview through screen sharing with our Lead Software Engineer
• Final interview with Alexander, our Head of Software Engineering

At Diabolocom, diversity and inclusion are in our DNA.

All qualified applicants will receive equal consideration for employment without regard to color, language, religion, sex, sexual orientation, gender identity, national or social origin, opinion disability, age.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.