We are seeking an experienced Senior Full-Stack Developer to join our software engineering team. The ideal candidate will have extensive experience designing, developing, and maintaining enterprise-grade applications across desktop, web, and database platforms. This role requires strong expertise in Java Swing, JavaScript, PHP, HTML, CSS, and PostgreSQL, along with working knowledge of C++ and C# to support integration, maintenance, and enhancement of existing software products. The successful candidate will be responsible for delivering high-quality software solutions, contributing to system architecture decisions, mentoring junior developers, and collaborating with cross-functional teams to translate business requirements into scalable and maintainable applications.

Key responsabilities

Application Development

· Design, develop, test, and maintain full-stack applications using Java 17 and Java Swing, PHP, JavaScript, HTML, CSS, and PostgreSQL.

· Develop reusable components, services, and libraries.

· Implement and consume RESTful APIs and integration services.

· Ensure applications are secure, scalable, and performant.

System Architecture & Design

· Participate in technical design and architecture discussions.

· Evaluate new technologies and propose improvements.

· Define coding standards and best practices.

· Contribute to modernization and migration initiatives.

Database Management

· Design and optimize PostgreSQL databases, schemas, stored procedures, and queries.

· Monitor database performance and implement tuning strategies.

· Ensure data integrity, security, and backup/recovery practices.

Cross-Technology Development

· Support, develop and maintain components written in C++ and C#.

· Develop integration points between legacy and modern applications.

· Troubleshoot issues across multiple technology stacks.

Quality & DevOps

· Write clean, maintainable, documented code.

· Conduct code reviews.

· Maintain automated tests.

· Participate in CI/CD and deployment activities.

· Resolve production and performance issues.

Leadership & Collaboration

· Mentor junior and mid-level developers.

· Collaborate with Product Owners, QA, Architects, and Business Analysts.

· Participate in sprint planning and technical reviews.

· Act as a technical subject matter expert.

Required Qualifications

Education

Bachelor's degree in Computer Science, Software Engineering, Information Technology or related field.

Experience

· 5+ years of professional software development experience.

· Proven experience in full software development lifecycle (SDLC).

· Experience working in Agile/Scrum environments.

Technical Skills (Required)

Expert Level

· Java 17 + Java Swing

· JavaScript (ES6+)

· PHP

· HTML5

· CSS3

· PostgreSQL

Intermediate / Good Working Knowledge

· C++

· C#

Additional Technical Competencies

· REST API design and development

· SQL query optimization

· Git version control

· Object-Oriented Programming (OOP)

· Design patterns and software architecture principles

· Application debugging and performance optimization

· Unit and integration testing

Preferred Qualifications

· Experience with modern JavaScript frameworks such as React, Angular, or Vue.js.

· Experience with Linux-based deployment environments.

· Familiarity with Docker and containerized applications.

· Understanding of CI/CD pipelines.

· Experience integrating desktop and web applications.

· Knowledge of cloud platforms such as Azure or AWS.

· Experience working with legacy systems modernization.

Soft Skills

· Strong analytical and problem-solving abilities.

· Excellent communication and interpersonal skills.

· Ability to work independently and as part of a team.

· Strong ownership and accountability mindset.

· Ability to mentor and lead technical discussions.

· Adaptability and willingness to learn new technologies.

Success Metrics

· Deliver high-quality software on schedule.

· Maintain low defect rates and high code quality standards.

· Improve application performance, reliability, and scalability.

· Contribute to architectural improvements and technical innovation.

· Provide leadership and mentorship within the development team.

Nice-to-Have Experience

· Medical, telecommunications, industrial automation, or enterprise software domains.

· Legacy desktop application maintenance and modernization.

· Multi-tier and client-server architectures.

· Cross-platform development involving Java, PHP, C++, and C# ecosystems.

This profile would fit a senior engineer capable of owning both legacy desktop applications (Java Swing) and modern web systems (PHP/JavaScript/PostgreSQL) while supporting integrations and components developed in C++ and C#.

Join Us

At Ascom, we believe recruitment is a two-way decision.

We are not only looking for someone to join us — we are looking for someone who also chooses us as their next employer.

If you are looking for a role where you can make an impact, work with modern technologies, and contribute to global operations — we would love to hear from you.