Java Backend Developer (Hybrid/Remote in Spain)
Techsoulogy group · Barcelona, Spain ·
- Work mode
- Hybrid
- Employment
- Contract
- Category
- Backend
- Experience
- 2+ years
Java Backend Developer (Hybrid/Remote in Spain)
Todos los posibles candidatos deben leer con atención los siguientes detalles de este trabajo antes de presentar una candidatura.
Barcelona, Spain (Hybrid) 3 days ago
We’re fair — we believe that fairness and respect drive both efficiency and team motivation.
We’re dedicated — we work hard for our own results, but we work harder for our clients.
We’re honest — we say things as they are, honestly and directly.
We’re courageous — we have enough determination and drive to do our best work, take risks, test and try again.
We’re team lovers — we love to share, help each other and to be an active part of the team.
In Tappx we keep growing and, therefore, we are looking for new talented people to join ourPerformance Tech team in our IT department.
As aSenior Java Backend Developeryou will:
Participate in the entire applications life cycle with focus on coding and debugging.
Write clean and maintainable code of high quality accomplishing estimated hours and due dates.
Offer Technical support to the Performance department.
Troubleshoot and debug applications.
Collect technical needs and design requirements.
Identify new needs and propose solutions to improve our applications.
Learn about technologies different than Java existing in our tech stack.
Measure the impact of new features, interpret key metrics and collaborate with the data team for data-driven decision making.
Deeply understand the business you are working with.
Your Dream Job Awaits at Techsoulogy!
Indefinite Contract with Competitive Conditions
Flexible Working Hours(Take Control of Your Schedule) with core time
Hybrid Modelin Barcelona & Madrid (1 day in the office and the rest teleworking) or100% Remote WorkAnywherein Spain
Cool HQ Offices in Barcelona and Co-Working in Madrid
At Tappx, we believe the best ideas come from the most diverse minds. We are committed to building a team where different backgrounds, perspectives, and experiences are not just welcomed — they are essential. We foster an inclusive, respectful, and psychologically safe environment where everyone can do their best work and grow as a professional. We take ethics seriously: in how we build our technology, how we treat our people, and how we show up in the industry. Because doing things right and doing things well are not in conflict — they go hand in hand.
Home or office? Both!
Private health insurance
English and Spanish classes
Employee referral program
Regular team building activities
Internal Talks
Giving back together
Surprise perks
Save while you spend
Requirements
We are looking for if you have:
2-3+ years of experience as Backend Developer.
Minimum 2 years of experience developing in Java, Spring and MySQL.
Medium knowledge of Git.
Basic knowledge of Linux.
Basic knowledge of Docker.
Basic knowledge of Kafka
Basic Knowledge of AGILE tools (such as Jira).
Tappx is a fast-growing AdTech firm offering innovative monetization, user acquisition, and advertising solutions for apps, web, and CTV. Its proprietary technology helps publishers maximize ad revenue while ensuring brands and agencies benefit from enhanced trust and transparency. The Tappx platform processes 80 billion+ ad requests per month worldwide.
Besides monetization, Tappx drives performance growth with advanced programmatic and user acquisition solutions. Advertisers scale efficiently with premium direct and owned inventory, KPI-driven optimization, and high-performing ad creatives. With flexible CPC, CPA, or CPI models, brands only pay for results while receiving tailored strategies and expert support.
Tappx has earned top industry recognition. In 2025, it was shortlisted again inThe Financial Times’ FT1000: Europe’s Fastest Growing Companiesreport. Previously, it ranked Europe’s 2nd fastest-growing advertising company (FT1000, 2020), won Best AdTech Company to Work For in Spain (PS Awards, 2023), and was a finalist for SME of the Year (CEPYME, 2022). Founded in 2013 by Daniel Reina (CEO) and Antonio Hervás (CTO), Tappx continues to push the boundaries of digital advertising. xqbhyrx
#J-18808-Ljbffr
Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.
Todos los posibles candidatos deben leer con atención los siguientes detalles de este trabajo antes de presentar una candidatura.
Barcelona, Spain (Hybrid) 3 days ago
We’re fair — we believe that fairness and respect drive both efficiency and team motivation.
We’re dedicated — we work hard for our own results, but we work harder for our clients.
We’re honest — we say things as they are, honestly and directly.
We’re courageous — we have enough determination and drive to do our best work, take risks, test and try again.
We’re team lovers — we love to share, help each other and to be an active part of the team.
In Tappx we keep growing and, therefore, we are looking for new talented people to join ourPerformance Tech team in our IT department.
As aSenior Java Backend Developeryou will:
Participate in the entire applications life cycle with focus on coding and debugging.
Write clean and maintainable code of high quality accomplishing estimated hours and due dates.
Offer Technical support to the Performance department.
Troubleshoot and debug applications.
Collect technical needs and design requirements.
Identify new needs and propose solutions to improve our applications.
Learn about technologies different than Java existing in our tech stack.
Measure the impact of new features, interpret key metrics and collaborate with the data team for data-driven decision making.
Deeply understand the business you are working with.
Your Dream Job Awaits at Techsoulogy!
Indefinite Contract with Competitive Conditions
Flexible Working Hours(Take Control of Your Schedule) with core time
Hybrid Modelin Barcelona & Madrid (1 day in the office and the rest teleworking) or100% Remote WorkAnywherein Spain
Cool HQ Offices in Barcelona and Co-Working in Madrid
At Tappx, we believe the best ideas come from the most diverse minds. We are committed to building a team where different backgrounds, perspectives, and experiences are not just welcomed — they are essential. We foster an inclusive, respectful, and psychologically safe environment where everyone can do their best work and grow as a professional. We take ethics seriously: in how we build our technology, how we treat our people, and how we show up in the industry. Because doing things right and doing things well are not in conflict — they go hand in hand.
Home or office? Both!
Private health insurance
English and Spanish classes
Employee referral program
Regular team building activities
Internal Talks
Giving back together
Surprise perks
Save while you spend
Requirements
We are looking for if you have:
2-3+ years of experience as Backend Developer.
Minimum 2 years of experience developing in Java, Spring and MySQL.
Medium knowledge of Git.
Basic knowledge of Linux.
Basic knowledge of Docker.
Basic knowledge of Kafka
Basic Knowledge of AGILE tools (such as Jira).
Tappx is a fast-growing AdTech firm offering innovative monetization, user acquisition, and advertising solutions for apps, web, and CTV. Its proprietary technology helps publishers maximize ad revenue while ensuring brands and agencies benefit from enhanced trust and transparency. The Tappx platform processes 80 billion+ ad requests per month worldwide.
Besides monetization, Tappx drives performance growth with advanced programmatic and user acquisition solutions. Advertisers scale efficiently with premium direct and owned inventory, KPI-driven optimization, and high-performing ad creatives. With flexible CPC, CPA, or CPI models, brands only pay for results while receiving tailored strategies and expert support.
Tappx has earned top industry recognition. In 2025, it was shortlisted again inThe Financial Times’ FT1000: Europe’s Fastest Growing Companiesreport. Previously, it ranked Europe’s 2nd fastest-growing advertising company (FT1000, 2020), won Best AdTech Company to Work For in Spain (PS Awards, 2023), and was a finalist for SME of the Year (CEPYME, 2022). Founded in 2013 by Daniel Reina (CEO) and Antonio Hervás (CTO), Tappx continues to push the boundaries of digital advertising. xqbhyrx
#J-18808-Ljbffr
Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.