Senior/Lead Full Stack Engineer

SoftServe; Polska; Hybrid; PLN 200,000 - 280,000; Full time

Benefits offered by this job

Health coverage

Paid time off

Wellness support

Learning opportunities

Flexible work model

Job summary

SoftServe is seeking a Senior Full-stack Engineer to develop and maintain enterprise-grade web applications for a large European public institution. You will work across frontend, backend, databases, and cloud environments to deliver secure, scalable, and high-performing digital solutions.

You will participate in architecture decisions, ensure software quality, and contribute to the evolution of critical business systems while collaborating with international teams and maintaining strong

Qualifications

• Master's degree with 10-15 years of IT experience or Bachelor's degree with 12-17 years of experience.
• Expert-level experience with Java and the Spring ecosystem (Spring Boot, Spring MVC, Spring Data, Hibernate).
• Proven design and maintenance of RESTful APIs and web services.

Responsibilities

• Design, develop, and maintain full-stack web applications across frontend and backend.
• Implement core business functionality using Java and modern frameworks.
• Develop and secure RESTful APIs and web services for system integration.
• Apply security and data management best practices including authentication and logging.
• Analyze performance, troubleshoot, and drive improvements.
• Perform unit/integration tests and ensure code quality.
• Deploy, monitor, and maintain apps in cloud environments using CI/CD and containers, with documentation.

Skills

Java

Spring Framework

RESTful APIs

Cross-functional collaboration

Problem solving

Education

Master's degree

Bachelor's degree

Tools

PostgreSQL

Oracle

Kafka

CI/CD

Docker

Kubernetes

Job description

As a Senior Full-stack Engineer, you will develop and maintain enterprise-grade web applications for a large European public institution. Working across frontend, backend, databases, and cloud environments, you will help deliver secure, scalable, and high-performing digital solutions while contributing to architecture decisions, software quality, and the continuous evolution of critical business systems.

RESPONSIBILITIES

• Design, develop, and maintain full-stack web applications, covering frontend architecture, backend services, database integrations, and API development.
• Implement and enhance core business functionality using Java and modern development frameworks to deliver reliable, scalable software solutions.
• Design, develop, and secure RESTful APIs and web services, enabling seamless integration between applications and business systems.
• Apply security and data management best practices, including authentication, authorization, input validation, secure data storage, logging, and monitoring.
• Analyze application performance, troubleshoot defects, identify improvement opportunities, and implement effective technical solutions.
• Perform unit and integration testing, validate code changes, maintain code quality standards, and ensure solutions meet functional and non-functional requirements.
• Deploy, monitor, and maintain applications in cloud environments using CI/CD pipelines and containerization technologies, while producing clear technical documentation and supporting long-term maintainability.

REQUIREMENTS

• Expert-level experience with Java and the Spring ecosystem, including Spring Boot, Spring MVC, Spring Data, and Hibernate
• Proven experience designing, building, securing, and maintaining RESTful APIs and web services
• Advanced knowledge of relational databases, particularly PostgreSQL and Oracle, including schema design, performance tuning, and query optimization
• Hands-on experience with event-driven architectures and asynchronous processing using Kafka
• Experience deploying and operating applications in cloud environments using CI/CD pipelines and containerization technologies
• Master's degree with 10-15 years of professional IT experience, or Bachelor's degree with 12-17 years of relevant experience
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues and drive continuous improvement
• Excellent collaboration and communication skills, with English proficiency at B2 level or higher and experience working effectively within international, cross-functional teams

SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.

About us

We are a digital engineering and technology consulting company where expertise grows alongsidepeople. For more than 30years, we have been elevating technology: helping organizations navigate complex businesschallenges by combining deepengineering knowledge with thoughtful, research-backed innovation. Our teams work across keyareas: digitalengineering, data and analytics, Сloud, and AI/ML. In each, we deliver practical, scalablesolutions rooted in realbusiness needs and measurable human impact.

You bring your perspective and ambition. We create an environment where your work meetsclarity, confidence, andpurpose.

We offer

Flexible Work Model

Work from home, from the office, or in a hybrid format that supports focus andcollaboration.

Competitive, market-based pay, benchmarked by role andlocation — plus health coverage, paid time off, wellness support, and learningopportunities.

Approachable leaders who communicate openly, keep teams close to the strategy, andsupport long-term planning.

Advanced tech communities

Stay close to AI/ML, Cloud, Quantum Computing, IoT, andRobotics communities, with projects built on modern frameworks.

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