← WorkMundi · 1M+ jobs from around the world, liveSign inCreate free account

Senior Backend Engineer (Java)

wizeline · Barcelona

📅 13/08/2026
🔔 Alert me about jobs like this
No password, no sign-up. Just the email — and you can leave the list anytime.
🔓 Apply — free →
Opens this job on WorkMundi. The account is free and takes under a minute.

See the other 7,098 jobs in Spain →

🎁 Before you apply, rehearse this interview. Create your free WorkMundi account and get an Interview Training on HelpsYouSpeak — no cost, no card. I want my training →
Senior Backend Engineer (Java) We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve. Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role: We are looking for a Senior Backend Engineer (Java) to design, develop, and deploy scalable applications in a modern, cloud-based environment. In this role, you will work with Java, relational databases, microservices, cloud technologies, and AI-powered agents while collaborating with cross-functional teams to deliver high-quality solutions. Key Responsibilities Design, develop, and maintain scalable applications using Java and modern software development practices. Develop and integrate AI-powered agents , leveraging agent-based architectures and emerging AI technologies. Design, implement, and optimize solutions using relational databases . Design and deploy applications in cloud-based environments . Build and maintain microservices-based architectures using Docker and related technologies. Collaborate with engineering teams to implement reliable and maintainable software solutions. Participate in Continuous Integration and Continuous Deployment (CI/CD) processes and follow modern DevOps practices. Develop and maintain applications using Microsoft .NET / C# when required. Troubleshoot technical issues, identify root causes, and implement effective solutions. Maintain high standards of code quality, reliability, and performance. Communicate technical concepts effectively with technical and non-technical stakeholders. Contribute to continuous improvement of development processes and engineering practices. Must-have Skills Bachelor’s Degree in Computer Science, Engineering, or a related field. 5+ years of professional software development experience. Extensive experience and high proficiency in Java . Significant experience working with relational databases . Experience designing and deploying applications in cloud-based environments . Hands-on experience coding and developing AI agents . Experience with Docker and microservices technologies . Familiarity with Continuous Integration and Continuous Deployment (CI/CD) concepts. Professional experience with Microsoft .NET / C# . Excellent problem-solving and analytical skills. Strong attention to detail with a quality-focused mindset. Excellent written and verbal communication skills. English level: Advanced / Fluent (spoken and written). Nice-to-have AI Tooling Proficiency : Ability to leverage AI tools to improve development productivity, including coding, debugging, documentation, analysis, and automation. Experience working with Large Language Models (LLMs) . Experience implementing Retrieval-Augmented Generation (RAG) solutions. Knowledge of AI agent architectures and agentic workflows. Knowledge of the Digital Publishing business or experience working with publishing platforms and technologies. Experience working in agile or DevOps-oriented teams. What we offer A High-Impact Environment Commitment to Professional Development Flexible and Collaborative Culture Global Opportunities Vibrant Community Total Rewards Specific benefits are determined by the employment type and location. Find out more about our culture here .
Read the rest of the job →
For people searching Engineer

144,883 engineer jobs are open right now

Here's how to pick the right one and stand out in your application.

144.883Jobs
31.687IN
81%EN

That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.

Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.

Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.

When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.

👁 21 have read this
0 comments
Want to comment?

Leave your e-mail to comment, react and follow the posts for your role. It is free.

Similar jobs

Job on WorkMundi — the world's largest job board. See more jobs from every continent, updated live.

📢
🎁

Before you apply, rehearse this interview.

Create your free WorkMundi account and get an Interview Training on HelpsYouSpeak — no cost, no card.

I want my training →