Senior Backend Software Engineer, AI Teams

Trading 212

Senior Backend Software Engineer building AI Financial Assistant at Trading 212. Engaging in end-to-end development with a focus on performance, scale, and resilience.

Posted 7/14/2026full-timeBerlin • 🇩🇪 GermanySeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing AI-driven solutions and microservices architecture, with a strong focus on performance, scalability, and reliability. Proficient in the full software development lifecycle, emphasizing continuous improvement and high code standards.

Highest-signal resume keywords

AI-Driven Solutions DevelopmentMicroservices ArchitectureCommunication Protocols (HTTP, WebSockets, AMQP)Relational Database DesignFull Software Development Lifecycle (SDLC)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AI-Driven SolutionsMicroservices ArchitectureRelational DatabasesPerformance OptimizationSystem DesignCode RefactoringService ArchitectureData ManagementTesting and DeploymentMonitoring

Soft Skills

Problem SolvingKnowledge SharingFeedback CultureTeam CollaborationContinuous Improvement

Tech Stack

Tools & technologies

MicroservicesSDLC

About the role

Key responsibilities & impact

Develop solutions by taking a holistic approach to problem solving, understanding business needs, service architecture, and underlying technologies and infrastructure.
Engage in the full SDLC: from forming requirements, design, implementation, testing, deployment, to monitoring, ownership sits with you end to end.
Take full ownership of your code and maintain it to a high standard, continuously improving and refactoring when needed.
Build for performance, scale, and resilience, operating in an environment where downtime, latency, and data loss are not acceptable.
Work in small, autonomous teams with short release cycles, balancing speed with engineering discipline.
Learn from peers and actively share knowledge, contributing to a culture of honest feedback and continuous improvement.

Requirements

What you’ll need

Passion for building AI-driven solutions using rich, large scale datasets, with the ambition to take advantage of the tools, resources, and engineering support needed to solve challenging real world problems.
Experience building services in a microservices architecture.
Strong understanding of communication protocols such as HTTP, WebSockets, and AMQP, and when to apply each.
Experience with at least one modern web framework (language-agnostic mindset preferred).
Deep understanding of relational databases, including indexing, transactions, isolation levels, locking mechanisms, and high-performance design.
Ability to design and operate systems that perform reliably at scale.

Benefits

Comp & perks

remote or hybrid working, depending on location
flexibility balanced against team performance and collaboration needs
attractive benefits package, which may vary depending on your location