Backend Developer

1 week ago

Belgrade, Central Serbia Insightful Full time

About us

Insightful is a market-leading platform for employee productivity and workforce analytics. We process really big data, synthesize it into actionable insights, and ultimately provide a best-in-class, easy-to-use product that empowers enterprise customers to improve employee productivity, business processes, and overall staff well-being.

Job Description

We are looking for a motivated Junior Backend Developer to join our engineering team and grow into a strong contributor within our microservices architecture. You will work closely with experienced engineers, learn best practices, and gradually take ownership of developing new features and improving existing systems.

Our focus is on quality over quantity, and with the high volume of data we process, our challenges are primarily performance-driven.

You will have the opportunity to learn modern backend technologies and contribute to building scalable, reliable services. Our stack includes: (TypeScript), Elasticsearch, MongoDB, Kafka, and Redis on Kubernetes (GKE).

We value a start-up mindset, curiosity, and people who are eager to learn and develop in a fast-paced environment.

Responsibilities:

  • Work as a Backend Developer within a cross-functional team, collaborating closely with other tech & product roles
  • Write clean, maintainable, and reusable code under the guidance of senior team members
  • Learn and apply backend development best practices, including testing, code reviews, and documentation
  • Assist in improving application performance, stability, and scalability
  • Help implement monitoring, metrics, and logging to ensure system reliability
  • Contribute to maintaining and refactoring existing services and modules
  • Follow security and compliance standards across the backend stack
  • Participate in knowledge sharing and continuous improvement within the team

You are a great fit for this role, if you have:

  • Bachelor's degree from the Faculty of Mathematics, University of Belgrade or RAF - School of Computing, Union University
  • Solid understanding of programming fundamentals, data structures, algorithms, and software engineering principles
  • Understanding of asynchronous programming concepts
  • Some experience with or another backend language
  • Basic experience working with databases
  • Eagerness to take ownership, work diligently, and continuously improve your skills
  • Fluency in English, both written and spoken

Bonus points:

  • 1–2 years of relevant work experience (internships included)
  • Exposure to Elasticsearch, MongoDB, or Kafka
  • Understanding of microservices or distributed systems concepts
  • Familiarity with real-time communication technologies such as WebSockets
  • Basic understanding of front-end technologies such as Angular, HTML, and CSS

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