Sigma Software

Senior .NET Developer

Sigma Software
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11 hours ago
Remote, Romania or Bucharest, RomaniaSenior

Responsibilities

  • Design, build, test, and deliver features and projects using C#, .NET Core, and Angular.
  • Write clean, maintainable, and well-tested code, including unit, integration, and end-to-end tests.
  • Own features from requirements breakdown through 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.

Requirements

  • At least 5 years of software development experience.
  • Strong object-oriented programming and system design skills.
  • Hands-on experience with .NET using C# and Angular.
  • Understanding of software testing concepts and practices.
  • Expertise in cloud-native and DevOps practices, including CI/CD, automation, and monitoring.
  • Experience with relational and NoSQL databases.
  • Knowledge of non-functional requirements such as performance, security, and availability.
  • Proven experience in FinTech, payments, banking, or regulated financial environments.
  • Upper-Intermediate English level or higher.
  • Experience with Docker and Kubernetes is a plus.
  • Familiarity with event-driven architectures using Kafka or RabbitMQ is a plus.
  • Proficiency with Datadog or similar observability tools is a plus.
  • Knowledge of domain-driven design and complex domain modeling is a plus.
  • Strong problem-solving, communication, collaboration, adaptability, ownership, and accountability skills.

Benefits

  • Opportunity to work on high-impact embedded finance solutions serving thousands of businesses worldwide.
  • Professional growth while collaborating with engineers, product managers, and designers in a fast-paced regulated environment.

Tech Stack

AngularApache KafkaAWSC#DatadogDockerKubernetesRabbitMQ

Categories

Sigma Software

About Sigma Software

1,001-5,000 employees

Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.

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