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Senior Backend Engineer (Java & Microservices)

Remote, Madrid·Full-time·Added yesterday

Still open when we checked on 9 Oct

Overview

Job details

  • Full-time

    Per the ad.

  • Fully remote

    Per the ad.

Requirements

  • Have the right to work in Spain

    Initium Software doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Have 8+ years of experience

    Senior-level role.

Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

  • More than 8 years of solid experience in backend development with Java.
  • Demonstrable experience in the design and implementation of microservices architectures and hexagonal architecture (Ports & Adapters).
  • Mastery of messaging and queuing systems such as Kafka, RabbitMQ, or equivalents.
  • Proficient handling of relational and NoSQL databases, as well as containerized environments with Docker.
  • Practical knowledge of cloud platforms (AWS, Azure, or GCP) and observability and monitoring tools.
  • Advanced level of English (C1), with the ability for fluent professional communication both orally and in writing.

Nice to have

  • You have practical experience orchestrating containers with Kubernetes.
  • You are familiar with DevOps culture and practices in agile environments.
  • You are passionate about learning, sharing ideas, and growing together with the team.

Pay & benefits

What you'll get

  • 100% remote modality with flexible hours and real work-life balance.
  • Participation in large-scale international projects alongside top-tier professionals.
  • Collaborative culture oriented towards autonomy, transparency, and continuous technical improvement.
  • Access to continuous technological challenges and real opportunities for professional development.

At Initium, we don't just develop technology: we create an environment where people can evolve, add value, and leave their mark.

Apply now and let's talk.

This is a remote position.

The role

Drive the backend architecture of the future with Java and distributed systems

At Initium Software, we connect the best technical talent with the most challenging and innovative projects on the market. We are not a traditional consultancy; we are strategic partners who believe in real impact through technology. We are looking for a Senior Backend Engineer passionate about technical excellence to design and scale modern architectures based on microservices, clean code, and high resilience.

What you'll do

  • Design, build, and deploy robust and scalable microservices using cutting-edge Java and hexagonal architecture.
  • Implement event-driven architectures and distributed messaging with tools such as Kafka or RabbitMQ.
  • Optimize the performance, reliability, and observability of systems in cloud environments using Docker and monitoring platforms such as Grafana.
  • Ensure software engineering best practices through automated testing, continuous integration, and decoupled design.
  • Collaborate actively with multidisciplinary teams to define technical solutions aligned with business needs.

How will we measure your impact?

  • Monthly achievement of project efficiency goals.
  • Effective alignment and execution of the strategic plan.

About Initium Software

Initium is a global technology consultancy specializing in digital transformation, cloud engineering, and enterprise software solutions. The company partners with major platforms such as Guidewire, Apigee, MuleSoft, ServiceNow, and Temenos to deliver complex integration and modernization projects for clients across insurance, banking, telecom, and the public sector. With a workforce of several thousand professionals spread across multiple countries, Initium operates as a nearshore and offshore delivery partner, combining technical depth in legacy and cloud-native stacks with a strong focus on quality engineering and DevOps practices.

In Spain, Initium operates a significant delivery hub in Madrid, which serves as a key nearshore center for European and global clients. The Madrid office is a multicultural, English-speaking environment that actively hires international talent, offering a clear path for relocation and professional growth. The company's culture emphasizes continuous learning, certification in partner technologies, and a collaborative, engineering-driven atmosphere, making it a relevant option for international professionals looking to build a career in Spain's growing tech sector.

Founded
2001
Employees
1,000–5,000
Headquarters
Madrid, Spain
In Spain
Madrid

Good to know if you are moving

  • The Madrid hub is a major nearshore delivery center, so international hires are common and the working language is English.
  • Initium offers a formal relocation package and visa sponsorship for international hires moving to Spain.
  • The company invests heavily in certifications on partner platforms (ServiceNow, MuleSoft, Apigee, Guidewire), which boosts long-term employability.
  • The Madrid office is a multicultural environment with a mix of local and expat engineers, easing the integration of newcomers.
  • Career paths are clearly defined, with growth toward team lead, solution architect, and delivery management roles.
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