BackEnd Developer

23 hours ago

Belgrade, Central Serbia Things Solver - member of ASEE Full time €25,000 - €50,000 per year

Things Solver, a member of ASEE, is an AI and Engineering company based in Belgrade, Serbia, which operates worldwide in efforts to find the most valuable approaches and solutions for handling data. The company is a leader in providing innovative solutions for customer Data Management, Customer Data Platform and Agentic AI. They specialized in developing advanced platforms such as Customer 360 and Workforce Hub, enabling efficient customer analysis, segmentation and personalization, as well as building production-ready AI agents.

About the Role

We are looking for a skilled and motivated
Backend Developer
to join our growing team in Belgrade or Kragujevac. You'll be responsible for designing, building, and maintaining scalable backend systems, with a strong emphasis on micro services architecture and SQL-based data solutions.

As a
Backend Developer
in our
team
you will:

  • Design, develop, and maintain robust backend services and APIs.
  • Build and manage microservices based architectures.
  • Write efficient, testable, and reusable code.
  • Model and manage SQL databases with a focus on performance and integrity.
  • Document system architecture, data flows, and components clearly.
  • Create technical specifications, sequence diagrams, and high-level designs before writing code.
  • Work closely with DevOps, Frontend developers, and Product teams.
  • Participate in code reviews, testing, and debugging.

About you

  • You have 3+ years of backend development experience.
  • You are proficient with Python (familiarity with other languages such as Rust or Go is more than welcome).
  • You have solid understanding of microservices architecture.
  • You have an experience working with SQL databases (e.g., PostgreSQL, MySQL).
  • You are familiar with NoSQL DBs such as Mongo DB, Elasticsearch, etc.
  • You have demonstrated ability to design before coding — using proper documentation techniques. (e.g., flowcharts, ER diagrams, sequence diagrams, architecture diagrams).
  • You are comfortable with writing and reading system documentation as part of day-to-day work.
  • You are familiar with RESTful API design and implementation.
  • You have strong understanding of software engineering principles and best practices.

It would be an advantage if you have an experience with some of the following:

  • Amazon Web Services (AWS) or other cloud platforms.
  • Exposure to Docker, Kubernetes, or container orchestration.
  • Familiarity with message queues (e.g., Kafka, RabbitMQ).
  • Experience with CI/CD pipelines and automation.

What do we offer

  • A thoughtful start
    – Structured on-boarding with a mentor and buddy
  • Grow beyond your role
    – Knowledge Infusion academy that improves your soft skills
  • Be Well
    – Healthy meal at our restaurant and personalized fitness plan in our on-site gym
  • Health First
    – Voluntary health insurance for you and for your loved ones
  • Planning ahead?
    – Optional retirement savings scheme and access to favourable terms with partner banks
  • A Day to Celebrate Yourself
    – Your birthday deserves a day off
  • Balancing Parenthood
  • Additional days off, part-time working hours, New Years' gifts for kids
  • Easy-going mornings
    – Possibility of flexible working hours & Hybrid work
  • More Perks
  • Casual dress code, refreshments, team building, New Year parties…

*Please note that your application will be stored in our recruiting base for 2 years. It will only be used for purpose of recruitment and selection and will not be available to third parties. Please do not submit additional documents.

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