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Senior .NET Engineer

Hybrid in Malaga·Added yesterday (last checked 10 Nov)

Ciklum

5 open roles

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Our summary

Work mode: Hybrid, Spain / Malaga
English: Required
Experience: 5+ years
Benefits: Private health insurance

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Skills

Requirements

What we're looking for

Experience in software development for more than 5 years
Excellent knowledge in: Clean code practices, OOP and OOD
Excellent knowledge in Programming
Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
Database theory (RDBMS, NoSQL)
Code testing practices
Algorithms
Data structures
Architectural, Enterprise and Design Patterns
Security patterns, Reverse engineering resistance, Common attacks types (OWASP)
Understanding of network interactions: protocols, conventions (e.g. REST, RPC), authentication and authorization flows, standards and practices (e.g. oAuth, JWT)
Excellent knowledge and experience in C# and .NET
Practical commercial experience with: REST API development, .NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI), Testing frameworks (e.g. e.g. NUnit, XUnit, MSTest), ORM (e.g. Entity Framework, Dapper) (more than 2 years), RDBMS (e.g. SQL Server, MySQL/MariaDB, PostgreSQL), Key-value storages, strong experience with Redis, Messaging systems (e.g. RabbitMQ, Azure ServiceBus, Apache Kafka, Active MQ, AWS SQS, Google Pub/Sub), Web Servers, Version control systems (GIT), Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, Azure DevOps), Builders
Experience with: Troubleshooting, profiling and debugging applications, Creation software architecture and design of complex applications, platforms, microservices solutions, Agile software processes and technologies, Code Review process, refactoring process
Fluent or Upper-Intermediate English

Pay & benefits

What you'll get

Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and 4 additional undocumented sick leave days
Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
Flexibility: Own your schedule - you are the one to decide when to start your working day. Just don't miss your regular team stand-up. We are there to support your work-life balance and provide 23 vacation days & short Fridays
Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

The role

Ciklum is looking for a Senior .NET Engineer to join our team in Spain.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

As a Senior .NET Engineer, you'll become a part of a cross-functional development team engineering experiences of tomorrow.
Our Client is a fast-growing, profitable, well-funded and dynamic global payments company. It is serving thousands of corporates and millions of end-users (payment receivers), in 190+ countries.

Responsibilities:

What you'll do

Back-end development to meet customer's business needs and implement components according to modern software development environment (microservice architecture)
Taking part in the decision-making process in design application architecture, solution development, architecture and code review
Develop and review feature design documents and provide inputs/update to specifications for the solution
Design and implement a set of various types of tests (unit, integration, functional, etc)
Proactive position in solution development, processes improvements
Working in an international distributed team in an Agile environment
Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
Delivering the product roadmap and plannings
To use high coding standards, software best practices and write highly testable, automatable and performant code over the whole SDLC

About Ciklum

Ciklum is a global IT consulting and software engineering company that provides digital solutions, technology consulting, and managed services to clients across various industries. Founded in 2002, the company has grown to employ over 4,000 professionals worldwide, with delivery centers across Europe, Asia, and Latin America. Ciklum specializes in building dedicated teams, software product development, and digital transformation services for enterprises and scale-ups.

In Spain, Ciklum has established a presence in Barcelona, where it operates as a hub for talent and client delivery. The company is known for its collaborative, engineering-driven culture and offers opportunities for international professionals to work on diverse projects with global teams. With a strong focus on innovation and continuous learning, Ciklum is an attractive option for tech professionals looking to relocate to Spain while working in a dynamic, multicultural environment.

Industry: IT Consulting
Founded: 2002
Employees: 5,000–10,000
Headquarters: Kyiv, Ukraine
In Spain: Barcelona

Good to know if you are moving

Ciklum has a strong international presence with delivery centers in multiple countries, offering opportunities for cross-border collaboration.
The company provides relocation support for international hires, including assistance with visas and work permits in Spain.
Ciklum emphasizes a culture of continuous learning and professional development, with access to training and certification programs.
Employees often work with diverse, global teams, providing exposure to a wide range of industries and technologies.
The Barcelona office is a key hub for engineering and consulting roles, offering a vibrant city lifestyle and a growing tech ecosystem.

In their own words

About the company & team

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you'll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

Based in Málaga, our team thrives in one of Andalusia's leading tech hubs. Enjoy a hybrid work setup, the sunny Mediterranean vibe, and endless opportunities to grow your skills on global-scale projects.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can't wait to see you at Ciklum.

All open roles at Ciklum