Mid-Level Software Developer (.NET / Angular / Ionic)

apeirum

  • Santander, Cantabria
  • Permanente
  • Tiempo completo
  • Hace 7 días
At apeirum, we help bold visions become digital realities — with focus, sharp execution, and no waste. We’re looking for a mid-level software developer who loves building great software, takes initiative, and uses AI productivity tools to work smarter and deliver faster.TasksWhat you’ll be doing
  • Designing, developing, and maintaining applications using .NET (preferably) or another object-oriented language.
  • Applying SOLID principles and design patterns to create clean, maintainable code.
  • Implementing and integrating REST APIs.
  • Working with relational databases (SQL Server, MySQL, PostgreSQL) — ideally with Entity Framework.
  • Writing and maintaining automated tests to ensure code quality.
  • Collaborating with the frontend team and contributing to applications built in Angular (React knowledge is a plus).
  • Leveraging AI-assisted coding and productivity tools to speed up development, improve quality, and optimize workflows.
  • Taking ownership of tasks, working autonomously, and proactively solving problems.
  • Contributing to discussions on infrastructure topics and improving our technical processes.
Nice-to-haves
  • Experience with Domain-Driven Design (DDD).
  • Broader infrastructure knowledge and willingness to dive into DevOps-related topics.
RequirementsYou’re a Great Fit If You
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
  • Have 3–5 years of professional experience in software development (mid-level range).
  • Communicate clearly and confidently in English.
  • Are motivated and love creating software that makes an impact.
  • Care deeply about product quality and the value it delivers to users.
  • Are product-minded — you think about the why, not just the what.
  • Work self-driven and thrive in small, async, distributed teams.
  • See challenges as opportunities and are ready to grow into more responsibility.
Tech Stack Overview
  • Frontend: Angular & Ionic (React experience is a plus)
  • Backend: C#, .NET Core, Web API, Entity Framework
  • Cloud: Azure (Functions, VMs, App Services, Monitoring, Storage)
  • Database & Backend Services: SQL (SQL Server, MySQL, PostgreSQL) and Supabase
  • Bonus: Python & C++ (used in our 3D pipeline — nice to have, not required)
Mindset & Collaboration
  • Strong problem-solving skills and the ability to think critically.
  • Passion for AI-driven productivity — you actively use AI tools to accelerate development, improve quality, and explore new possibilities.
  • Comfortable in a fast-paced, startup-like environment with a problem-solving, AI-first approach.
BenefitsWhy Join apeirum?
  • Work in an international, high-performance team.
  • Be part of projects where your input matters — from architecture to implementation.
  • Flexible work setup with trust-based autonomy.
  • A culture that values quality, initiative, and growth over bureaucracy.
  • Join us for a yearly strategic offsite meeting filled with team-building activities and social events.
Ready to Make an Impact?We’re looking for someone who thrives in a fast-paced, innovation-driven environment — someone adaptable, curious, and ready to solve real problems with smart, modern tools. If that sounds like you, we’d love to hear your story.apeirumWe understand the chaos of business, and add value from day one. Our approach is built on true partnerships, where we deeply understand your pain points and goals. With apeirum, our clients will find clarity and direction in the midst of complexity.

apeirum