Senior Fullstack Software Developer
- Hiring from
- Poland
- Work type
- Hybrid
- Posted
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Join Emerson’s Reliability Solutions team in Warsaw and help develop next-generation software that supports the safe and reliable operation of critical industrial infrastructure worldwide. As a Senior Software Developer, you will design, build, test, deploy, and maintain end-to-end web solutions across modern Angular applications, C#/.NET backend services, APIs, databases, and system integrations. Working within a collaborative international team, you will contribute to an inclusive, no-blame culture that values innovation, technical excellence, continuous learning, and professional growth.
In This Role, Your Responsibilities Will Be:
- Analyze customer, product, and system requirements and translate them into secure, scalable, accessible, and maintainable software solutions.
- Design and develop modern web applications using Angular, TypeScript, RxJS, HTML, CSS, C#, and ASP.NET Core.
- Build, maintain, and document REST APIs, backend services, business logic, and integrations with distributed systems.
- Contribute to application, solution, and system architecture decisions in collaboration with architects and engineering teams.
- Develop reusable frontend components, backend libraries, and shared services aligned with established engineering standards.
- Design and maintain data access layers and data models for relational and document databases.
- Implement microservice-based and event-driven architectures, including reliable asynchronous messaging.
- Apply authentication, authorization, validation, logging, monitoring, and security best practices across the software stack.
- Create and maintain automated testing solutions, including unit, integration, component, contract, and end-to-end tests.
- Optimize applications for performance, accessibility, reliability, observability, and security.
- Support CI/CD pipelines, containerized development environments, software releases, and production diagnostics.
- Participate in code reviews and provide technical mentorship and guidance to peers.
- Contribute to agile planning activities, including backlog refinement, estimation, dependency identification, and implementation planning.
- Communicate project status, risks, dependencies, and technical recommendations to stakeholders.
- Collaborate closely with Product Management, UX, Quality Engineering, DevOps, and other cross-functional teams.
- Contribute to technical documentation, engineering standards, developer tooling, and continuous improvement initiatives.
- Support knowledge sharing and help foster the professional growth of team members.
- Partner with technology leadership on team development and organizational initiatives.
- Perform other responsibilities within the scope of the role as needed.
Who You Are:
You consistently build strong partnerships and work collaboratively with others to meet shared objectives. You readily gain the trust and confidence of colleagues through open, honest, and transparent communication. You balance effective decision-making with thoughtful analysis, even in complex or ambiguous situations, and you seek innovative ways to solve problems and create value. You take ownership of outcomes, continuously learn from experience, and contribute positively to an inclusive environment where diverse perspectives are welcomed and respected.
You consistently build strong partnerships and work collaboratively with others to meet shared objectives. You readily gain the trust and confidence of colleagues through open, honest, and transparent communication. You balance effective decision-making with thoughtful analysis, even in complex or ambiguous situations, and you seek innovative ways to solve problems and create value. You take ownership of outcomes, continuously learn from experience, and contribute positively to an inclusive environment where diverse perspectives are welcomed and respected.
For This Role, You Will Need:
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- Minimum 5 years professional experience designing and developing both frontend applications and backend services at a senior technical level.
- Advanced knowledge of TypeScript, Angular, RxJS, HTML, CSS, and Sass.
- Strong experience with C#, .NET, and ASP.NET Core.
- Experience with Angular architecture, reusable components, reactive forms, routing, dependency injection, state management, and performance optimization.
- Knowledge of ASP.NET Core architecture, middleware, logging, validation, configuration, and asynchronous programming.
- Experience with Entity Framework Core and data modeling for relational and document databases.
- Experience implementing and integrating microservice-based and event-driven systems.
- Knowledge of authentication and authorization frameworks, including OAuth 2.0, OpenID Connect, and JWT.
- Experience using NgRx for state management.
- Experience building accessible and reusable user interfaces using Angular Material, Angular CDK, or similar frameworks.
- Strong understanding of software architecture, API design, responsive design, secure coding practices, and design patterns.
- Experience with automated testing across frontend and backend solutions.
- Experience working with relational and document databases such as PostgreSQL and MongoDB.
- Experience with production support, diagnostics, monitoring, debugging, and root-cause analysis.
- Experience using Git, Docker, package management tools, and CI/CD pipelines.
- Experience working in Agile environments such as Scrum or SAFe.
- English and Polish language proficiency at B2 level or higher.
Preferred Qualifications That Set You Apart:
- Experience contributing to design systems, reusable component libraries, or shared backend frameworks.
- Experience with micro-frontends, API gateways, or advanced microservice architectures.
- Experience building data visualizations or dashboards using ECharts or similar technologies.
- Experience with interactive diagramming, graph visualization, or canvas-based applications.
- Experience developing Progressive Web Applications (PWAs).
- Experience designing and maintaining multilingual or localized applications.
- Experience with WebSockets or SignalR.
- Familiarity with WCAG accessibility standards, Core Web Vitals, OpenTelemetry, and observability platforms.
- Experience collaborating with UX/UI designers using tools such as Figma.
- Experience with cloud platforms and orchestration technologies such as Azure, AWS, or Kubernetes.
- Experience developing software for industrial environments, critical infrastructure, or high-availability systems.
- Knowledge of Secure Development Lifecycle practices.
- Experience using AI-assisted development tools responsibly while maintaining quality, security, confidentiality, and intellectual property protection.
Our Culture and Commitment To You:
At Emerson, we are committed to creating an inclusive workplace where every individual feels respected, valued, and empowered to contribute. We believe diverse perspectives drive innovation and strengthen our ability to solve complex challenges for customers worldwide. You will have the opportunity to work on impactful software used in critical industrial environments while collaborating with talented colleagues across global teams. We support continuous learning, career development, and growth through technical, architectural, and leadership career paths, helping you build a rewarding and meaningful career.
At Emerson, we are committed to creating an inclusive workplace where every individual feels respected, valued, and empowered to contribute. We believe diverse perspectives drive innovation and strengthen our ability to solve complex challenges for customers worldwide. You will have the opportunity to work on impactful software used in critical industrial environments while collaborating with talented colleagues across global teams. We support continuous learning, career development, and growth through technical, architectural, and leadership career paths, helping you build a rewarding and meaningful career.
