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    SI

    Sigma Software

    AdTech

    Senior .NET Developer

    Bucharest, RomaniaRemoteFull-time5+ yrs experiencePosted 2w ago
    All Sigma Software jobs

    Job description

    • Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
    • Write clean, maintainable, and well-tested code (unit/integration/e2e)
    • Take ownership of features from requirements breakdown to deployment
    • Deploy and monitor services in AWS cloud-native environments
    • Handle production issues and incidents with accountability
    • Collaborate with Product, Design, and Engineering teams in Agile practices
    • Contribute to continuous improvement of systems and processes
    • 5+ years of experience in software development with strong OOP and system design skills
    • Solid hands-on experience with .NET (C#) and Angular
    • Understanding of software testing concepts and practices
    • Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
    • Experience with relational and NoSQL databases
    • Knowledge of non-functional requirements (performance, security, availability)
    • Proven experience in FinTech, payments, banking, or regulated financial environments
    • Upper-Intermediate English level or higher

    WILL BE A PLUS

    • Experience with Docker/Kubernetes
    • Familiarity with event-driven architectures (Kafka, RabbitMQ)
    • Proficiency with observability tools (Datadog or similar)
    • Knowledge of domain-driven design (DDD) and complex domain modeling

    PERSONAL PROFILE

    • Growth mindset, curiosity, and proactivity
    • Strong problem-solving skills balancing complexity and simplicity
    • Feedback-oriented, open to giving and receiving constructive input
    • Ownership & accountability in delivering commitments
    • Team player with strong collaboration skills
    • Adaptability to changing priorities
    • Excellent communication skills across disciplines

    Job details are sourced from the employer's original posting.

    Open job posting
    SI

    About the company

    Sigma Software

    We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions. This role offers the opportunity to experiment with AI, LLMs, and emerging technologies while solving complex challenges in large-scale data processing.  CUSTOMER Our customer is a global leader in contextual advertising with more than 500 employees worldwide. They specialize in delivering highly relevant ads by leveraging AI, real-time technology, and large-scale data processing. Operating in the AdTech industry, they are recognized for innovation in Connected TV (CTV) advertising. The team you will join works with the agility of a startup while benefiting from the resources of a global organization. PROJECT You will contribute to the development of a smart advertising platform that processes terabytes of data to understand audiences and deliver precise, contextual ads. The platform combines AI, LLMs, and emerging technologies to push the boundaries of CTV advertising. In this role, you will own innovation end-to-end — from research and prototyping to delivering production-ready solutions.

    View all Sigma Software jobs
    Industry
    AdTech
    Open roles
    49

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