Senior Full-Stack Software Developer

RemoteSalary not specified
Spain

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 Remote Spain, specializing 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

  • 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 MongoDB (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

  • Opportunity to work remotely from Spain.
  • Competitive salary and benefits package.
  • Professional growth and 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.

Apply Now

Interested candidates are encouraged to apply with their updated resume and portfolio showcasing relevant experience.

Job Details

Company name:
Luxoft
Location:
Spain
Employment Type:
Full-time
Work Mode:
Remote
Posted on TheJob:
Jul 7, 2026
Last checked:
Jul 7, 2026
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