Full-Time

Senior Backend Engineer

Plain Concepts

Plain Concepts

501-1,000 employees

Custom software and AI solution provider

No salary listed

Remote in Spain

Remote

Category
Software Engineering (1)
Required Skills
Microsoft Azure
Agile
React.js
Software Testing
.NET
Blockchain
Vue.js
DevOps
Angular

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Requirements
  • At least 8 years of experience working with .NET.
  • Experience in software architecture.
  • Experience using Azure services.
  • Solid experience with testing, including unit testing and integration testing.
  • Knowledge of continuous integration and continuous delivery (CI/CD) as an essential part of software development.
  • Good English proficiency for an international environment.
  • Previous experience leading client meetings.
Responsibilities
  • Design, evolve, and scale secure, resilient, production-ready cloud-native and artificial-intelligence-driven platforms.
  • Own architecture decisions and work closely with product and artificial intelligence teams.
  • Build scalable and reliable cloud infrastructure solutions.
  • Take care of the backlog, features, and functionalities rather than only creating code from tickets.
  • Lead technical projects through to completion.
Desired Qualifications
  • Experience with a frontend framework such as React, Angular, or Vue.
  • Experience training teams or conducting technical interviews.
  • Previous experience working in a multidisciplinary team with multiple projects.

Plain Concepts provides custom IT solutions through project-based engagements across four pillars: artificial intelligence, data and analytics, enterprise application development, and infrastructure modernization. It leverages deep expertise in the Microsoft ecosystem and is a Microsoft AI and Cloud Partner to design tailored applications and systems for clients. Its products include Evergine, a graphics engine for industrial digital twins and immersive 3D experiences, and SIDDI, an AI-powered platform that enhances visual content accessibility for people with sensory impairments. The company differentiates itself with a global team of about 500 professionals, strong Microsoft partnerships, and a focus on delivering practical business outcomes and digital inclusion.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Cordoba, Argentina

Founded

2006

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Simplify Jobs

Simplify's Take

What believers are saying

  • Plain Concepts doubled from 400 to 800 employees by September 2025, signaling demand.
  • Ardanis added 50-plus experts and a Porto hub, strengthening UK, Ireland, and Portugal coverage.
  • Microsoft awarded Plain Concepts Azure Migration Partner of the Year in 2025.

What critics are saying

  • Professional-services revenue stays project-based; any enterprise budget pause hits utilization immediately.
  • Acquisitions of ApiumHub and Ardanis raise integration risk across cultures, systems, and delivery quality.
  • Evergine faces Unity, Unreal, and Cesium competition; weak adoption leaves it a distraction.

What makes Plain Concepts unique

  • Microsoft-heavy expertise still differentiates Plain Concepts across Azure, Fabric, and custom copilots.
  • Evergine 2026 adds Cesium, AI Rendering, Avalonia, and .NET 10 for industrial 3D.
  • Ardanis and ApiumHub expand fintech, insurtech, and software-architecture depth across Europe.

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Benefits

Health Insurance

Dental Insurance

Flexible Work Hours

Remote Work Options

Phone/Internet Stipend

Gym Membership

Company Social Events

Professional Development Budget

Employee Discounts

Growth & Insights and Company News

Headcount

6 month growth

19%

1 year growth

19%

2 year growth

20%
TechCentral
Sep 11th, 2025
Ardanis acquired by Plain Concepts

Ardanis acquired by Plain Concepts.

Bank of Ireland
Sep 9th, 2025
Plain Concepts buys Dublin firm Ardanis | ThinkBusiness

Plain Concepts acquires Ardanis to expand AI and fintech capabilities, adding 50+ experts and strengthening its European delivery footprint.

El Economista
Jul 21st, 2025
Plain Concepts acquires ApiumHub in Barcelona

Plain Concepts, based in Barcelona, has made its first inorganic growth move by integrating ApiumHub, a Barcelona-based tech services company with over 10 years of experience and around 75 employees. ApiumHub's clients include Nestlé and Grifols. This acquisition marks Plain Concepts' initial step in its strategic plan to complete 2-4 such operations annually, as stated by CEO Quique Martínez to elEconomista.es.

Spain-U.S. Chamber of Commerce
May 5th, 2025
Plain Concepts Presents the Eighth Edition of dotNET: Applied AI to Transform Companies Across All Industries

Plain Concepts has officially announced the 8th edition of the dotNET Conference, one of the most anticipated tech events of the year.

Plain Concepts
Dec 19th, 2024
2024: A year full of growth and good news for Plain Concepts

As every year, Microsoft has chosen its best partners, and Plain Concepts has been the winner in the Azure Migration category and a finalist for Best Data and Analytics Partner of the Year.