Senior Full stack developer

Job Overview

We are looking for an experienced Full Stack Developer with a strong backend focus to join our team. You will play a key role in the development of our new issuance monitoring and management application as well as our Distribution, Pricing, and Processing platform.

You will collaborate closely with stakeholders, contribute to system design, and ensure high-quality delivery across the full software development lifecycle.

Key Responsibilities

• Participate in the development and maintenance of innovative applications
• Collaborate with clients and stakeholders to analyze and define requirements
• Contribute to the design of technical solutions and system architecture
• Develop and execute test cases to ensure application quality
• Manage deployment processes and support production releases
• Perform incident diagnosis and troubleshooting
• Use and manage code repositories and development tools
• Design and develop new application modules

Talan – Positive Innovation

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and 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 empowerment to 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 revenue this 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 initiatives through 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.

Required Qualifications

• 5+ years of experience as a Full Stack Developer or Software Engineer (backend-oriented preferred)
• Strong experience with:
  • Java, Spring Boot, Hibernate (Backend development)
  • Angular, HTML, CSS, JavaScript (Frontend development)
  • REST API design and integration
  • Relational databases (Oracle, PostgreSQL) and SQL
  • Git and GitHub
• Experience with Microservices Architecture
• Familiarity with Jenkins and DevOps practices
• Experience working in an Agile environment (Scrum)

Nice to Have 

• Experience with AWS (Amazon Web Services)
• Knowledge of Docker, OpenShift, or other containerization technologies

What do we offer you?

• Hybrid position based in Warsaw, Poland.
• Permanent, full-time contract with career development opportunities.
• Chance to work in a challenging, multicultural environment with international projects.
• Exposure to large-scale financial IT systems and cross-country operations.
• Training opportunities to develop new skills in finance, technology, and data management.

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).

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