Senior Site Reliability Engineer

Adikteev; Barcelona; Híbrido; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading tech company in Barcelona is seeking a Senior Site Reliability Engineer to design and maintain infrastructure supporting high ad impressions. You will ensure system reliability, drive automation, and enhance developer experience. Ideal candidates will have deep AWS experience, monitoring skills, and be fluent in English. Join a diverse team committed to inclusivity and technical excellence.

Servicios

Competitive salary

Performance-based quarterly bonus with transparent KPIs

Longevity bonus every 2 years

4.5 days work week

RTT

Mental health support

Flexible remote working policy

Regular team events

Inclusive parental leave policy

Formación

• Deep experience with AWS ecosystems and management of large-scale infrastructures.
• Skilled in monitoring, logging, and fast incident resolution.
• Ability to write clean, reliable, and testable code in at least two programming languages.
• Strong grasp of scalability challenges and ability to design systems for high traffic.
• Comfortable with low-level Linux functionalities and OS theory.
• Experience maintaining production systems and ownership of reliability.
• Familiarity with at least one public cloud platform.
• Ability to communicate clearly and thrive in collaborative environments.
• Remain calm under pressure while troubleshooting issues.
• Care for technical excellence and business impact.

Responsabilidades

• Manage and enhance AWS infrastructure across multiple regions.
• Monitor and optimize system performance for high request loads.
• Respond to incidents and contribute to system resilience improvements.
• Design scaling procedures to ensure stability and efficiency.
• Build automation tools and Infrastructure-as-Code solutions.
• Ensure strong standards for configurations and code.
• Collaborate with engineers and managers for reliability enhancements.
• Promote CI/CD best practices for rapid delivery.

Conocimientos

Deep experience with AWS ecosystems

Monitoring, logging, and alerting

Clean, reliable, and testable code

Scalability challenges

Low-level Linux functionalities

Maintaining or operating production systems

Public cloud platforms (AWS, Azure, GCP)

Collaboration and clear communication

Analytical troubleshooting

Technical excellence and business impact

Fluent in English

Descripción del empleo

WHO WE ARE

Adikteev, a member of the 2025 "French Tech 120," fuels the app ecosystem by inspiring users to engage with the apps they know and love. Specializing in user retention, we grow in‑app revenue and build user loyalty with custom retargeting and CTV UA campaigns.

With over 100 employees and offices in Paris, San Francisco, and Seoul, Adikteev operates worldwide, achieving a 60% revenue growth this year ($50m+ revenues in 2023).

HOW WE MAKE AN IMPACT

• Own it, Live it: Our top priority is making sure our customers are fully supported and engaged. We're not afraid to make decisive moves, embrace challenges, and see them through to the end.
• Rolling with Changes: We don't just face challenges, we anticipate them. Agility is core to who we are, and we believe in continuous learning and improvement.
• Making waves with purpose: We're here to make a difference. Every decision and action is aimed at creating positive and meaningful impact.
• The ADIKTEAM vibe: We're more than a team; we're the ADIKTEAM. Everyone plays a crucial role, and we're always looking for people who thrive in collaborative, supporting environments.

WHAT YOU WILL DO

We’re looking for a Senior Site Reliability Engineer who’s passionate about designing, maintaining, and scaling infrastructure that powers billions of ad impressions and millions of requests per second. You’ll play a key role in ensuring our systems are reliable, resilient, and ready for the future. By partnering closely with our development teams, you will drive automation initiatives and enhance the developer experience, becoming a key accelerator for faster and more reliable delivery.

Your responsibilities will include:

• Orchestrate our Cloud: Manage and enhance a large-scale AWS infrastructure spanning thousands of instances across 6 regions.
• Champion Performance: Monitor, analyze, and optimize system performance to ensure our platforms handle over 3 million requests per second seamlessly.
• Drive Reliability: Respond swiftly to incidents, resolve complex issues, and contribute to postmortems to continuously improve system resilience.
• Scale: Design and refine our scaling procedures to support growth while ensuring stability and efficiency.
• Automate Everything: Build automation tools and Infrastructure-as-Code solutions to minimize manual effort and maximize reliability.
• Elevate Quality: Uphold strong standards for system configurations and code, ensuring a robust and secure infrastructure.
• Collaborate for Impact: Partner with Backend Engineers, Data Engineers, and Product Managers to embed reliability and performance into every layer of our stack.
• Champion CI/CD: Promote best practices in continuous integration and deployment for consistent, rapid, and reliable delivery.

WHO YOU ARE

You could be a great addition to our Engineering team if you:

• Have deep experience with AWS ecosystems, and know how to manage large‑scale, multi‑region infrastructures with confidence and precision;
• Are skilled at monitoring, logging, and alerting, ensuring system health and fast incident resolution;
• Can write and maintain clean, reliable, and testable code in at least two programming languages, ideally with a focus on automation and Infrastructure as Code;
• Have a strong grasp of scalability challenges and a proven ability to design and operate systems that perform flawlessly under high traffic;
• Are comfortable with low‑level Linux functionalities and understand OS theory of operations to optimize system performance;
• Have experience maintaining or operating production systems and take ownership of reliability and uptime;
• Know your way around at least one public cloud platform (AWS, Azure, or GCP);
• Communicate clearly, thrive in collaborative environments, and can articulate your technical decisions with confidence;
• Remain calm and analytical when troubleshooting complex issues — especially under pressure;
• Care deeply about both technical excellence and business impact, ensuring every solution drives real value for Adikteev and its customers;
• Are fluent in English and comfortable working in a global team.

And if you bring any of the following, that’s even better:

• Experience with large‑scale distributed systems or service‑oriented architectures;
• Familiarity with caching systems (in‑memory, distributed);
• Hands‑on experience with high‑performance or low‑latency systems;
• Understanding of stream processing architectures;
• Experience with Kubernetes, Prometheus, or ArgoCD;
• A natural tendency to design for scalability, automate wherever possible, and continuously improve reliability.

Please note that, to comply with employment regulations, applicants are required to maintain residency and be legally authorized to work in France or the European Union in order to be considered for this position.

PERKS AND BENEFITS

• CompetitiveSalary;
• Performance-basedQuarterlybonuswithtransparentKPIs;
• Longevitybonusevery2years;
• 41/2daysworkweek(Fridaysafternoonoff);
• “RTT”;
• MentalHealthsupport;
• Flexibleremoteworkingpolicy;
• Regularteam‑lifeevent/activity ;
• InclusiveparentalleavePolicy.

*Most benefits are available to all employees. For remote team members based outside of France, benefits will be aligned with local laws and practices in your country of residence, ensuring support that’s both relevant and compliant wherever you are.

OUR PROCESS

What to expect as you move through our hiring process:

• HR Call with Maxime, Team Lead - Talent Acquisition
• Hiring manager interview with Raphaël, Senior Engineering Team Lead
• Tech Interview with Seiji, Senior Site Reliability Engineer, and Alexandre, Staff Engineer
• Final interview with Cédric, CTO, and Loïc, CPO

If you require accommodations at any stage of the application process, please let us know. It will be handled confidentially by our HR and recruitment team.

OUR COMMITMENT

We’re proud that our team already spans 22+ nationalities, diverse talent and unique backgrounds, and we want it to grow even more. If this role appeals to you, we welcome your application, even if you don’t meet every single qualification. Not everyone gets through our hiring process, but your skills might be a great fit for another opportunity; now or in the future.

Adikteev is an equal opportunity employer. We are committed to building an inclusive environment for all employees, candidates, vendors and clients, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, age, national origin, disability, marital status, or military status.