Senior Backend Software Developer
Emerson Electric Co.3 days ago
Warsaw, PolandSenior
Responsibilities
- Analyze requirements and translate them into secure, reliable, scalable, and maintainable backend solutions.
- Design, develop, document, and maintain backend services, REST APIs, business logic, integrations, shared libraries, and development frameworks using C#, .NET, and ASP.NET Core.
- Contribute to backend architecture, solution architecture, technical decisions, design reviews, and code reviews.
- Design and implement data access solutions for relational and document databases while maintaining data integrity, performance, and consistency.
- Develop microservice-based and event-driven solutions with asynchronous communication and resilient message processing.
- Implement authentication, authorization, validation, auditability, error handling, and other application security controls.
- Create and maintain automated unit, integration, contract, component, and performance testing frameworks.
- Improve service performance, resilience, observability, availability, and operational efficiency.
- Support CI/CD pipelines, containerized development environments, releases, production diagnostics, incident investigations, and root-cause analysis.
- Identify technical risks, dependencies, capacity considerations, and integration challenges, and propose implementation plans.
- Contribute to backlog refinement, estimation, sprint planning, acceptance criteria, and cross-team Program Increment Planning.
- Collaborate with Product Management, frontend developers, quality engineers, DevOps engineers, cybersecurity specialists, architects, and other stakeholders.
- Provide technical guidance, coordinate complex technical initiatives, contribute to documentation and engineering standards, and support team member development.
Requirements
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- At least 5 years of professional backend software development experience, including senior-level technical responsibilities.
- Advanced hands-on expertise with C#, .NET, and ASP.NET Core in production-grade backend services.
- Strong understanding of object-oriented, asynchronous, and concurrent programming; dependency injection; middleware; configuration; validation; error handling; and resource management.
- Experience designing versioned APIs, service contracts, data models, microservice architectures, and event-driven architectures.
- Experience with Entity Framework Core or comparable data access technologies and with PostgreSQL, MongoDB, or similar databases.
- Experience with messaging platforms such as RabbitMQ and with distributed-systems concerns including resiliency, consistency, retries, timeouts, and failure recovery.
- Experience implementing authentication and authorization using OAuth 2.0, OpenID Connect, JWT, or comparable technologies.
- Strong knowledge of secure coding, API security, secrets management, application security, and automated testing strategies.
- Experience with Azure, AWS, or Kubernetes; Git; Docker; CI/CD pipelines; observability; and production diagnostics.
- Strong understanding of software architecture, design patterns, domain modeling, maintainability, and performance optimization.
- Experience in Agile environments such as Scrum or SAFe.
- English and Polish proficiency at B2 level or higher.
- Preferred experience includes Python, Bash, PowerShell, shared backend libraries, internal platforms, reusable frameworks, DDD, Clean Architecture, CQRS, event sourcing, SignalR, WebSockets, OpenTelemetry, cloud-native development, high-availability systems, industrial or edge software, API gateways, and secure development lifecycle practices.
Benefits
- Inclusive, collaborative, no-blame culture that values diverse perspectives, experimentation, knowledge sharing, and continuous improvement.
- Continuous learning, career development, and internal mobility opportunities across technical, architectural, and leadership paths.
- Meaningful work supporting critical infrastructure and employee well-being.
Tech Stack
Categories
About Emerson Electric Co.
Emerson Electric Co. builds industrial automation hardware and software for manufacturers, energy and utilities, and other process-intensive industries. Its portfolio includes Fisher control valves, DeltaV and Ovation control systems, Rosemount measurement and sensing, and lifecycle services, with software partnerships and holdings such as AspenTech. Founded in 1890 and headquartered in St. Louis, it is a public company (NYSE: EMR) serving markets like energy, chemicals, life sciences, power, and food and beverage.