Junior Backend Engineer

Trading212
Bulgaria
Hybrid

Who this role is best for

Aimed at junior to mid-level backend engineers who thrive in fast-paced, agile environments and are comfortable with modern, high-performance engineering stacks.

Best fit for

  • Candidates with foundational backend skills and a willingness to learn and adapt to new technologies
    — “Our system is language-agnostic and we give the engineers the opportunity to choose the specific language”
  • Individuals who value continuous learning and can take ownership of their code in a high-velocity setting
    — “You'll be supported in taking ownership of your code, ensuring it's well-maintained”
  • People who are comfortable working in compact, autonomous teams with short release cycles
    — “Work in compact, autonomous teams with short release cycles”

Things to consider

  • The role requires familiarity with RDBMS concepts and the ability to design basic databases
    — “Good understanding of RDBMS concepts. We expect you to know about database indexing and transactions”
  • Candidates must be prepared to engage in multiple stages of the hiring process, including a coding task and interviews
    — “WHAT TO EXPECT - Coding Task - Recruiter conversation - Technical Interview - Managerial interview”

How to stand out

  • Highlight experience with web frameworks and your ability to choose the right tool for the task
    — “Prior experience with at least one commonplace web framework, no matter the language”
  • Showcase your understanding of performance, scale, and resilience in backend systems
    — “Develop for performance, scale and resilience – Learn to develop code that performs well, scales effectively, and is resilient”
Pace · Fast PacedCollaboration · HighAutonomy · HighDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Develop solutions by taking a holistic approach to problem-solving
  • Engage in forming requirements, design your implementation, code it, test it, deploy and monitor it
  • Develop for performance, scale and resilience
  • Work in compact, autonomous teams with short release cycles
  • Learn from your colleagues and share your knowledge with them
Typical background
Ongoing or completed CS educationFamiliarity with common communication protocolsPrior experience with at least one commonplace web framework

Skills & requirements

Required

JavaSpringGoNode.jsTypeScriptPostgreSQLMariadbRedisKafkaClickhouseElasticsearchDockerAWSKubernetesOpensearchHTTPAMQPRdbms ConceptsDatabase IndexingTransactions

Preferred

PythonRust

Stack & domain

JavaGoNode.jsTypeScriptPostgreSQLMariadbRedisKafkaClickhouseElasticsearchDockerGrafanaAWSKubernetesOpensearchProblem-solvingTeamworkOwnershipRefactoringPerformanceScaleResilienceAgileStructureFeedbackFinanceHealthcare

About the role

Original posting from Trading212 via Ashby

OUR MISSION IS TO ENABLE EVERYONE TO BUILD WEALTH

We reinvent how trading and investing work by creating exceptional products people love.

Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 6 million clients, with more than €40 billion in assets under management — a testament to the scale and trust we've built in just a few years. At that scale, performance, reliability and data integrity are part of the product.

Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, Kubernetes and OpenSearch.

WHAT YOU’LL DO

  • Develop solutions by taking a holistic approach to problem-solving - Work with your team to understand business problems, service architecture, and underlying technologies. You'll be guided to take a holistic approach to problem-solving while learning to consider all aspects of a solution.
  • Engage in forming requirements, design your implementation, code it, test it, deploy and monitor it – Participate in forming requirements, designing implementations, coding, testing, deploying, and monitoring solutions. You'll be supported in taking ownership of your code, ensuring it's well-maintained, and refactoring it when opportunities for improvement arise.
  • Develop for performance, scale and resilience – Learn to develop code that performs well, scales effectively, and is resilient. Understand the importance of minimizing downtime, latency, and data loss, and work towards achieving these goals with support from your team.
  • Work in compact, autonomous teams with short release cycles - Collaborate within compact, autonomous teams with short release cycles. You'll be part of an agile, independent team where you'll learn to balance the right amount of process to maintain velocity without sacrificing structure.
  • Learn from your colleagues and share your knowledge with them - Actively learn from your colleagues and share your knowledge with them. Participate in mutual, honest feedback to help grow individually and as a company.

WHAT YOU NEED TO HAVE

  • Ongoing or completed CS education.
  • Familiarity with common communication protocols. We expect you to be comfortable with using HTTP & AMQP communication and have the ability to decide when to use one over the other.
  • Prior experience with at least one commonplace web framework, no matter the language. Our system is language-agnostic and we give the engineers the opportunity to choose the specific language based on its appropriateness for the particular task. The microservice architecture allows us to use the newest technologies and we're constantly striving to keep a healthy balance between an up-to-date system and a battle-tested and familiar one.
  • Good understanding of RDBMS concepts. We expect you to know about database indexing and transactions, and you should be able to design basic databases.

WHAT WE OFFER

  • Challenges that will help you grow and realize your potential really fast
  • Opportunity to make a big Impact - you will build innovative services used by millions of investors to build wealth
  • Work with smart, spirited, helpful, high-performing colleagues with a common goal
  • An environment where nothing is set in stone
  • Appreciation for your talent and ideas
  • Generous remuneration package including annual bonuses
  • Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year
  • Delicious treats and a spacious game room

WHAT TO EXPECT

  • Coding Task
  • Recruiter conversation
  • Technical Interview
  • Managerial interview

Your recruiter will explain each stage clearly and follow up after every conversation.

Bring your ambition to Europe’s fastest-growing mobile broker!

Source: Trading212 careers (Ashby)

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