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Senior Full Stack Engineer (Remote in Spain Possible)

Apply for the Senior Full Stack Engineer role at LanguageWire, a global leader in language and content services dedicated to helping brands reach their full global potential.

About the Role

You will help modernize our core application and develop valuable features for our translators, customers and internal experts. Working with multiple experienced engineering teams, you will bring new products and services to life using a cloud‑native tech stack, focusing on modernizing the frontend and adding new functionality to both frontend and backend.

Responsibilities

• Develop and maintain applications, including front‑end interfaces, back‑end services, and databases.
• Contribute to architecture, design and implementation of new features and improvements.
• Implement best practices for code quality, testing and deployment automation.
• Ensure high‑quality software through active participation in code reviews.
• Engage in sprint retrospectives, refinements, daily stand‑ups and other team processes.
• Take full ownership of products and solutions, eliminating bugs early through TDD/BDD and other tests.
• Share knowledge and support fellow developers, QA professionals and support teams.
• Assist in customer meetings and collaborate with our site reliability engineer on CI/CD pipelines.

In One Year You Will Know You Are Successful If…

• You are fully integrated into the team and have built strong working relationships.
• You actively contribute to a positive, collaborative, and knowledge‑sharing team atmosphere.
• You deliver several major features to production with measurable impact.
• You mentor mid‑level and junior developers, helping them grow and succeed.
• You improve team processes, code quality and technical decision‑making.

Qualifications

• Strong problem‑solving and communication skills.
• Solid understanding of software architecture, design patterns and best practices.
• Extensive experience with C# and the .NET ecosystem (.NET Core/.NET 6+, ASP.NET Web API).
• Proficiency with relational databases (MSSQL and/or PostgreSQL).
• Hands‑on experience with Entity Framework (EF Core) and LINQ.
• Solid understanding of RESTful API design and integration.
• Experience with asynchronous programming and performance optimisation in .NET.
• Ability to contribute to front‑end codebases using Vue.js and/or TypeScript.
• Experience with version control (Git) and CI/CD practices.
• Experience with automated testing frameworks (unit, integration, end‑to‑end).
• Comfortable working in agile environments and participating in sprint planning, code reviews and peer mentoring.
• DevOps experience: CI/CD pipelines, infrastructure as code (Terraform, Helm, etc.), Docker, Kubernetes, cloud services (Azure, AWS or GCP).

Desirable Skills

• Experience with Python.
• Knowledge of microservices architecture and event‑driven systems.
• Familiarity with message brokers (RabbitMQ, Kafka, Azure Service Bus).
• Strong focus on testing practices and security best practices.
• Ability to mentor others and foster knowledge‑sharing.

Benefits & Perks

• Flat hierarchies, responsibility and freedom; direct feedback and room to stand up for your ideas.
• Internal development opportunities and ongoing support from your People Partner.
• International company with offices in multiple cities; full‑time remote work available.
• Private health insurance and a dog‑friendly workplace.
• Social events, game room, bike and car parking.
• Competitive salary and flexible benefits.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Other – IT Services and IT Consulting