Senior Full-Stack Engineer (Java and React)

Talanto; Wrocław; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Hybrid by design

Remote work within Poland

Work abroad up to 60 days

Relocation opportunities

Employee Stock Purchase Plan 15%

Referral bonuses

Job summary

Talanto is seeking a Senior Full-Stack Engineer with strong Java, Spring Boot, Kafka, and React expertise to deliver scalable solutions in the financial services domain. The role blends backend microservices with cloud-native and AI-assisted development practices.

A hybrid work model applies, with 3 days per week at client offices in Kraków or Wrocław, Poland. Ideal candidates have 7+ years in backend Java and frontend React, plus PostgreSQL, Kafka, and automated testing experience.

Qualifications

• 7+ years of backend development experience with Java 17+ and Spring Boot 3+ in microservices environments.
• Proficiency in ReactJS, Redux, and TypeScript for frontend and state management.
• Strong knowledge of PostgreSQL and Kafka and experience with automated testing (JUnit 5, Mockito, Testcontainers).
• Familiarity with AI engineering tools such as GHCP CLI and Generative AI concepts.
• Excellent English communication skills (B2+).

Responsibilities

• Design and develop scalable backend services using Java, Spring Boot, and microservices-based architectures.
• Build and maintain modern front-end applications using ReactJS, Redux, and TypeScript.
• Deliver end-to-end platform features across enterprise banking and financial services environments.
• Implement event-driven solutions leveraging Kafka and integrate with PostgreSQL databases.
• Apply AI-assisted development practices to improve productivity and code quality.
• Develop and maintain automated tests to ensure reliability and quality of the codebase.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Contribute to architectural decisions and promote best practices in software engineering.

Skills

Java 17+

Spring Boot 3+

Microservices

ReactJS

Redux

TypeScript

PostgreSQL

Kafka

JUnit/Mockito

AI tools

English

Tools

Kubernetes

Helm

Terraform

GitLab CI/CD

Splunk

Grafana

App Insights

Job description

Senior Full-Stack Engineer (Java and React)

Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud.

We are seeking a Senior Full-Stack Engineer with strong expertise in Java, Spring Boot, Kafka, microservices, and modern software architecture to deliver scalable solutions across enterprise banking and financial services environments.

The ideal candidate brings valuable Financial Services experience spanning Investment Banking, Commercial Banking, Digital Banking, Asset Management, and financial messaging platforms, providing a strong understanding of complex financial ecosystems.

This role combines solid backend engineering capabilities with cloud-native experience, AI-assisted development practices, and exposure to React-based frontend technologies, enabling effective contribution to end-to-end platform development.

This role offers a hybrid model, with 3 days per week working from the client's office in Kraków or Wrocław, Poland.

Responsibilities

• Design and develop scalable backend services using Java, Spring Boot, and microservices-based architectures
• Build and maintain modern, responsive front-end applications using ReactJS and related technologies
• Deliver end-to-end platform features across enterprise banking and financial services environments
• Implement event-driven solutions leveraging Kafka and integrate with PostgreSQL databases
• Apply AI-assisted development practices to improve productivity and code quality
• Develop and maintain automated tests to ensure reliability and quality of the codebase
• Collaborate with cross-functional teams to define, design, and ship new features
• Contribute to architectural decisions and promote best practices in software engineering
• Ensure solutions align with the complexities of financial ecosystems and business requirements

Requirements

• 7+ years of backend development experience with Java 17+, Spring Boot 3+, and microservices-based architectures
• Proficiency in ReactJS, Redux, and TypeScript
• Knowledge of PostgreSQL and Kafka
• Background in automated testing using JUnit 5, Mockito, Testcontainers, or similar tools
• Familiarity with AI engineering tools such as GHCP CLI
• Understanding of Generative AI concepts and capabilities (frontier models)
• Strong English communication skills (B2 level or higher)

Nice to have

• Exposure to .NET and C#
• Familiarity with Splunk, Grafana, and App Insights
• Practical knowledge of Kubernetes, Helm, and Terraform
• Experience with GitLab CI/CD pipelines for build, test, packaging, and deployment automation
• Strong domain understanding of the Stock Borrow Loan business, including structured context in codebases (AGENTS.md, skills)

We offer

• We gather like-minded people:
• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Thought leadership, mentoring, soft skills and well-being programs
• We cover it all:
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events
• Please, note:
• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We will reach out to selected candidates exclusively

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.