Senior Java/Kafka Developer

Talan; Buenos Aires; Hybrid; ARS 73,776,000 - 108,908,000; Full time

Benefits offered by this job

Private medical insurance

Life insurance

Language lessons

Training and career development

Multicultural team

Job summary

Talan is seeking a Senior Developer to join a high-performing backend team for a Banking Industry project. The role requires 4+ years of hands-on experience with J2EE, Spring Boot, and Apache Kafka, plus microservices, Java 8+, and TDD/BDD.

On-call rotation is mandatory, with a weekly cycle every few months. Remote work is available within Spain time zone, with a focus on collaboration across multicultural teams.

Qualifications

• Mandatory technical knowledge: 4+ years in a similar role.
• Advanced J2EE, Spring Boot and Apache Kafka expertise are mandatory.
• Microservices architecture, Spring Boot, FP, Java 8+, JPA, and TDD/BDD.
• Software design and architecture patterns.
• Experience with PostgreSQL, Oracle, MongoDB, etc.
• Familiarity with Agile methodologies (Scrum).
• English proficiency: B2 or higher.

Skills

J2EE

Spring Boot

Apache Kafka

Microservices

Java 8+

JPA

TDD/BDD

Software Architecture

Databases

Agile / Scrum

English (B2)

Reactive Programming

OpenAPI 3 / OAS3

Tools

OpenAPI 3

Reactive Programming

Job description

We are looking for a Senior Developer to join our team and contribute to a high-performing backend project within the Banking Industry.

On-Call Availability (On-Call Shift System)

Mandatory 24/7 On-Call Rotation: You will be required to participate in a rotating on-call shift schedule from Monday to Sunday.

What this means: This does not mean you will be actively working 24/7 or during late-night shifts. Instead, you will be on standby outside of standard working hours, meaning you must be reachable and available to log in and resolve critical system incidents only if they arise.

Frequency: The approximate rotation frequency is one full week (7 consecutive days) every 3 to 4 months, depending on the team's internal calendar.

Qualifications

Mandatory Technical Knowledge

Minimum of 4 years of experience in a similar role.

Advanced J2EE, Springboot and Apache Kafka expertise is mandatory

Microservices architecture, Spring Boot, Functional Programming, Java (Version 8 and above), JPA, and Testing methodologies (TDD or BDD).

Software Design and Architecture patterns.

Experience with Databases (PostgreSQL, Oracle, MongoDB, etc.).

Familiarity or working experience with Agile Methodologies (Scrum).

English language proficiency: Minimum B2 level.

Nice to Have / Desirable

Basic notions of API design and specification (OpenAPI 3 / OAS3).

Any additional technical knowledge or skills that can contribute value to the project will be highly appreciated.

Basic knowledge of Reactive Programming is highly valued.

Additional Information

What do we offer you?

• B2B or freelance contract.
• Remote position within Spain Time zone.
• Smart Office Pack so that you can work comfortably from home.
• Training and career development.
• Benefits and perks such asprivate medical insurance, life insurance, Language lessons, etc
• Possibility to be part of a multicultural team and work on international projects.

If you are passionate about data, development & tech, we want to meet you !

Talan Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).

Company Description

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultantsin 21 countriesand a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowermentto deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenuethis year.

Our Core Areas of Expertise

• Data & Technologies:We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.
• Cloud & Application Services:We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.
• Management & Innovation Consulting:We lead business and digital transformation initiativesthrough project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.