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senior backend developer

Jul 7, 2026 · Code.Hub

Νομός Θεσσαλονίκης·Remote·Πληροφορική·Permanent·Full Time
Νομός ΘεσσαλονίκηςRemoteΠληροφορικήPermanentFull Time

About the job

We are looking for a Senior Backend Developer to join our team and contribute to the design, development, and maintenance of scalable and high-performing backend systems. The ideal candidate will have strong experience in backend technologies, API development, databases, and modern software architecture principles, while collaborating closely with cross-functional teams to deliver reliable digital products.

Responsibilities

  • Develop and maintain backend applications and REST APIs using Java and Spring Boot

  • Collaborate with frontend developers, QA engineers, and product teams to deliver new features

  • Write clean, maintainable, and efficient code

  • Work with relational databases and optimize queries when needed

  • Participate in system design discussions and contribute to technical improvements

  • Troubleshoot, debug, and resolve technical issues

  • Support testing and deployment processes

  • Participate in Agile ceremonies and code reviews

Requirements

  • Proven experience in Backend Development

  • Strong knowledge of Java and Spring Boot

  • Experience with REST APIs

  • Familiarity with SQL databases such as PostgreSQL, MySQL, or SQL Server

  • Understanding of software development best practices

  • Experience with Git

  • Good problem-solving and communication skills

  • Ability to work in a collaborative Agile environment

Nice to Have

  • Experience with microservices architecture

  • Familiarity with Docker or Kubernetes

  • Exposure to cloud platforms such as AWS or Azure

  • Experience with messaging tools such as Kafka or RabbitMQ

  • Knowledge of CI/CD practices

Let’s talk about us:

  • Remote working model

  • A competitive salary

  • Signing Bonus

  • Brand new equipment

  • Exciting & friendly work environment

  • Career & competencies’ development

  • Continuous learning & development experience based on infinity model through Code.Hub’s Code.Learn

  • L&D plan for your career improvement

  • A truly open, inclusive, and competitive-free environment to grow your skills and have fun!

  • Internal competitions & rewards

Let’s talk about Code.Hub-ers:

  • You are eligible to free LinkedIn trainings

  • You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction

  • Training & Tech Mentor for your induction

  • Unlimited access to LinkedIn Learning platform (1st semester)

  • Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College

  • Private Health Insurance

  • Performance planning each six months and each two years planning of promotion

  • Free Lunch/Snack every day & Cocktail Fridays @ our offices

  • Referral Bonus

About the company

Code.Hub is a Recruitment Agency, a Learning & Development partner, an Extended Team and Project Delivery expert in the Tech Industry.

We source and train the best candidates in Tech Industry.

With a team of 150+

  • Tech-specific Recruiters
  • Certified Trainers
  • Software Development specialists

we are prepared for every challenge.

Using exclusively Agile methodologies, we help companies of all levels and technologies to extend their vision many step forward.


About the company

Code.Hub is a Recruitment Agency, a Learning & Development partner, an Extended Team and Project Delivery expert in the Tech Industry.

We source and train the best candidates in Tech Industry.

With a team of 150+

  • Tech-specific Recruiters
  • Certified Trainers
  • Software Development specialists

we are prepared for every challenge.

Using exclusively Agile methodologies, we help companies of all levels and technologies to extend their vision many step forward.