Backend C Engineer Team Leader GV

Were looking for a Backend C# Engineer & Tech Leader to support several projects for a European institution concerning security and border control activities.

Responsibilities

• Gathering and documenting requirements for microservices designing architectural solutions preparing documentation and identifying potential risks and challenges.

• Analyzing the existing monolithic system defining microservice boundaries refactoring code for modularization decoupling components and documenting the adopted approach.

• Defining API endpoints implementing required functionalities aligning response formats coordinating integration points and conducting integration testing.

• Assessing current performance to identify bottlenecks refactoring code for efficiency scaling microservices implementing optimization strategies and conducting performance testing.

• Creating and maintaining comprehensive documentation on architecture setup and micro frontend usage performing code reviews and providing feedback to ensure continuous quality improvement.

• Working closely with business analysts and architects to clarify and refine business needs.

• Managing and coordinating teams involved in the design development and maintenance of microservicesbased applications.

Qualifications :

• Strong background in developing webbased applications using a microservices architecture and expertise in migrating monolithic applications to microservices.

• Bachelors degree in Software Engineering or a related field.

• Strong programming skills in C#.

• At least 5 years of proven professional experience including designing and developing microservicesbased applications for largescale organizations.

• Indepth understanding of microservices architecture including orchestration and choreography patterns (SAGA) within a DomainDriven Design (DDD) approach.

• Ability to develop implement and maintain scalable loosely coupled microservices.

• Experience in building and deploying highquality APIs (REST/WebSockets) for service communication and external integrations.

• Proficiency in containerization technologies (Docker) and orchestration platforms (Kubernetes).

• Experience working in Agile environments (Scrum) with the ability to collaborate effectively within a team share knowledge and mentor colleagues.

• Proficiency in English language (B2/C1 level) and strong communication skills.

Nice to Have

• Possession of an EUCONFIDENTIAL (or higher) security clearance.

• Experience in a Senior or Lead Developer role mentoring junior team members.

• Handson experience with Red Hat OpenShift (RHOS).

• Strong understanding of design patterns such as Service Discovery Circuit Breaker and API Gateway (preferably KONG).

• Proficiency in implementing eventdriven architectures (EDA) using Kafka along with experience working with asynchronous messaging systems.

• Familiarity with distributed databases and data management strategies (SQL/NoSQL).

• Knowledge of monitoring logging and distributed tracing tools (e.g. Prometheus Grafana ELK Jaeger) in combination with a Service Mesh communication layer.

• Expertise in securing applications using tokenbased authentication mechanisms (JWT OAuth2 and other security measures.

• Experience developing for cloud platforms (Azure AWS) and their associated toolsets.

• Background in building observability features for microservices.

• Strong understanding of DomainDriven Design (DDD).

• Experience setting up and maintaining CI/CD pipelines for microservices deployment (Azure Agent ArgoCD Helm Charts) and working within a CI/CD environment using Azure DevOps.

• Knowledge of secure coding practices including OWASP Top 10 security principles.

• Ability to apply best practices software development patterns and methodologies (e.g. SOLID principles). Familiarity with UML notation.

• Proficiency in Git workflows.

• Experience writing automated unit and integration tests.

Additional Information :

• Work model: Remote/Hybrid from Warsaw;
• Type of contract: B2B;
• Start: ASAP 1 month;
• Project: 1 year (high possibility of extension;

We offer

• Access to local and international projects Clients from France Germany Portugal UK and Benelux.
• Professional development support trainings technical certificates conference participation foreign language classes and soft skills trainings are subsidized for up to 2 000 PLN.
• Bonus for recommending Candidates starting from 6 000 up to 10000 PLN.
• Fully paid Medicover healthcare card.
• Psychological support program WellBee.
• Multisport card.
• Regular integration events and gifts.
• Longterm cooperation.
• Relocation Program.

If You applied for this position the Controller of your personal will be  ALTER SOLUTIONS POLSKA Sp. z o.o. with its registered office at PrzyokopowaWarsaw. The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You will have the right too choose one or both options on next page.

You have the right to access the content of your data request their rectification erasure restriction of processing the right to data portability the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.

Remote Work :

No