Senior Backend Java Developer
Kairos DS3d ago
A Lead Backend Engineer will modernize critical systems and migrate legacy architectures. The role offers 100% remote work, continuous training, and flexible benefits.
Remote from SpainNo Spanish needed
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86,000+ live jobsSenior Embedded Software Engineer (C++)
Hybrid in Madrid·Added 2 days ago
Overview
Job details
Hybrid
Only from certain places, per the ad: “Ubicación en Madrid para acudir a la oficina en modalidad híbrida (2 días a la semana en Pozuelo).”
Requirements
Have the right to work in Spain
Kairos DS doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Be near Madrid, Spain (Hybrid) for hybrid days
No relocation package mentioned.
Have 10+ years of experience
Senior-level role.
Benefits
Private health insurance
Per the ad: paid by the employer, or taken through flexible pay.
Flexible pay plan
Take part of your salary as tax-free benefits, per the ad.
This job was automatically translated to English.
Requirements
What we're looking for
- More than 10 years of technical experience (Senior / Staff level) in embedded software development on Linux environments.
- Mastery of C++ applied to embedded systems.
- Mandatory use of Artificial Intelligence: Demonstrable previous experience using AI tools applied to software development and a willingness to continue using them on a daily basis.
- High / fluent English level (minimum B2) to work directly with the headquarters.
- Location in Madrid to attend the office in a hybrid modality (2 days a week in Pozuelo).
- Deep knowledge and practical application of SOLID principles and Clean Architecture.
- Solid experience in the entire software development life cycle (SDLC), from specification gathering and analysis to implementation.
- Previous experience in the functional domain of IoT device architecture, central control units, or alarm and security systems.
We are looking for someone who...
- Comfortable in a role focused on technical excellence, architecture, and implementation without people management.
- Have a passion for continuous innovation and AI integration in development.
- Enjoy working in global and dynamic environments.
- Value transparency, clear communication, and quality in deliveries.
Nice to have
- Continuous corporate training.
- Free English classes in small groups.
- Constant personal mentoring and support.
- Participation in conferences, events, and technology communities.
Pay & benefits
What you'll get
- Flexible compensation (Cobee) for restaurant, transportation, training, and childcare.
- Health insurance with Cigna, Adeslas, or Sanitas.
- Wellness program for emotional and psychological well-being.
The role
We are looking for a passionate and highly experienced Senior SW Engineer (Embedded) to join our R&D Engineering department to lead the evolution of business logic and global systems in embedded security devices.
This is a 100% technical role, focused on architecture and implementation, where you will be able to apply all your excellence without people management responsibilities.
- Technological Evolution: Directly responsible for the architecture, design, and implementation of business logic in central units for IoT and security devices.
- Code Quality and Architecture: You will design robust software ensuring the complete software development life cycle (SDLC), rigorously applying SOLID principles and Clean Architecture from the specification analysis stage.
- Innovation with Artificial Intelligence: You will apply and integrate Artificial Intelligence tools into your daily software development workflow to optimize code efficiency and quality.
- Embedded Development: You will develop high-quality embedded software in C++ on Linux environments.
- International Collaboration: You will participate in technical definition and execution, maintaining fluid communication in English with core teams.
How you'll work
- 23 vacation days + December 24th and 31st off.
- 1 day for professional events and 3 days for personal reconciliation.
- Hybrid work model: two days per week in the Pozuelo offices.
About Kairos DS
Kairos DS is a software consultancy based in Madrid, Spain, specializing in digital transformation, cloud services, and data-driven solutions. The company works with clients across various industries to design and implement custom software, data analytics, and AI solutions, with a strong focus on engineering excellence and agile methodologies. With a team of over 100 professionals, Kairos DS has established itself as a trusted partner for companies looking to modernize their technology stacks and leverage data for business growth.
Kairos DS has a strong presence in Madrid, where its main office is located, and operates primarily in the Spanish market. The company values a collaborative and innovative work culture, with a strong emphasis on continuous learning and professional development. For international professionals, Kairos DS offers opportunities to work on challenging projects in a dynamic environment, with roles spanning from backend and fullstack development to data science and site reliability engineering. The company's commitment to agile practices and modern technologies makes it an attractive option for those looking to advance their careers in Spain.
- Industry
- Software Consultancy
- Founded
- 2015
- Employees
- 51–200
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
- Website
- kairosds.com
Good to know if you are moving
- Kairos DS is headquartered in Madrid, offering a central location in Spain's capital with a vibrant tech scene.
- The company works with modern technologies like Java, Go, Python, and Vue, providing opportunities to work on diverse projects.
- Kairos DS emphasizes agile methodologies and continuous learning, with roles like Agile Coach and Tech Lead available.
- The company has a strong focus on data and AI, with multiple data scientist and AI architect positions open.
- International candidates can expect a collaborative environment with a mix of Spanish and English-speaking teams.
In their own words
About the company & team
We are Kairós, a different kind of technology company. Yes, we help our clients with their digital and methodological transformation challenges, but what truly defines us is how we do it: putting people at the center.
We have been recognized as a Great Place To Work company since 2019, ranking 5th in 2024. Our values of courage, empathy, innovation, and joy are how we work every day. We are more than 850 people (developers, data engineers, strategists...) and we are now looking for someone to join this brilliant and diverse team.
At Kairós, you are not just a number. We know you by name, we care about your work-life balance, and we want you to grow with us.
Additional information
At Kairós, we firmly believe in the importance of equality and diversity in the workplace. We are committed to creating an inclusive and respectful environment where all employees feel valued and have the opportunity to reach their full potential, regardless of their race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or any other characteristic protected by law.
Apply to the job offer and join the Kairós team!
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