Senior Full-Stack Software Developer

On-siteSalary not specified
Romania

Job Description, Responsibilities & Requirements

About the Position

We are seeking a Senior Full-Stack Software Developer with 10+ years of experience in IT to join our team in Bucharest, Romania. The role specializes in distributed systems and enterprise-grade REST APIs.

Responsibilities

  • Participate in requirements clarification and sprint planning sessions.
  • Own architectural decisions for services and integrations, including service decomposition, communication patterns, technology selection, and scalability considerations.
  • Write unit and integration tests.
  • Support QA teammates in the acceptance process.
  • Perform production diagnostics, root cause analysis, and reliability improvements for distributed systems in collaboration with platform engineering teams.

Requirements

  • Must have

    • Minimum 10 years within the IT industry.
    • Strong understanding of distributed systems concepts, including asynchronous communication, messaging patterns, resiliency, idempotency, retries, and eventual consistency (8y+).
    • Expert-level knowledge of C#/.NET, including asynchronous programming, multithreading, memory management, garbage collection, synchronization primitives, and performance optimization (8y+).
    • Experience designing enterprise-grade REST APIs, including contract design, versioning, security, idempotency, and backward compatibility.
    • Experience designing and implementing enterprise applications using SOA and/or microservices architectures.
    • Other experience includes the following: WPF, TypeScript, React/Redux, Python (3+ years).
    • Strong experience with unit & integration testing.
    • Experience with Microsoft SQL Server and Mongo DB (3+ years).
    • Experience of Entity Framework.
    • Experience working with Azure (Azure services).
    • Experience working with Kubernetes.
    • Familiar with CI/CD (Azure Pipelines).
    • Algorithmic and out of box thinking while working with requirements.
    • Familiar with agile methodology.
    • Exceptional logical reasoning and problem-solving skills.
    • Bachelor in IT or related field.
  • Nice to have

    • Experience with OData.
    • Hunger for learning new technologies with a "can do" mindset.
    • Business knowledge in Finance.
    • Knowledge of IaC (Terraform).

We Offer

  • Competitive salary
  • Opportunity to work in a dynamic and innovative environment
  • Professional development opportunities

About the Company

Luxoft is a leading global provider of digital transformation and technology services. We empower our clients to innovate and thrive in a rapidly changing world.

Languages

  • English: B2 Upper Intermediate

Seniority

  • Senior

Job Details

Company name:
Luxoft
Location:
Romania
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
Jul 7, 2026
Last checked:
Jul 7, 2026
Posted on the source:
Jun 1, 2026
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