{"id":1458113,"url":"https://alion.io/job/trading-212-junior-backend-engineer","title":"Junior Backend Engineer","company":{"id":51399,"name":"Trading 212","domain":"trading212.com","url":"https://alion.io/company/trading-212","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":81,"open_postings":12,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-09T06:01:00Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"ClickHouse","optional":true},{"name":"Docker","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Go","optional":true},{"name":"Grafana","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"MariaDB","optional":true},{"name":"Node JS","optional":true},{"name":"OpenSearch","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Redis","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-29T07:41:07Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-09T21:35:21Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Our mission is to enable everyone to build wealth\nWe reinvent how trading and investing work by creating exceptional products people love.\nFostering 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.\nOur 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.\nWhat you’ll do\nDevelop 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.\n\nEngage 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.\n\nDevelop 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.\n\nWork 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.\n\nLearn 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.\n\nWhat you need to have\nOngoing or completed CS education.\n\nFamiliarity 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.\n\nPrior 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.\n\nGood understanding of RDBMS concepts. We expect you to know about database indexing and transactions, and you should be able to design basic databases.\n\nWhat we offer\nChallenges that will help you grow and realize your potential really fast\n\nOpportunity to make a big Impact - you will build innovative services used by millions of investors to build wealth\n\nWork with smart, spirited, helpful, high-performing colleagues with a common goal\n\nAn environment where nothing is set in stone\n\nAppreciation for your talent and ideas\n\nGenerous remuneration package including annual bonuses\n\nExcellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year\n\nDelicious treats and a spacious game room\n\nWhat to expect\nRecruiter conversation\n\nCode Review\n\nSystem Design\n\nManagerial interview\n\nYour recruiter will explain each stage clearly and follow up after every conversation.\nBring your ambition to Europe’s fastest-growing mobile broker!","description_format":"text","description_chars":3852,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual bonuses","Health insurance"],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-29T10:58:13Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.58,"p_room":0.9,"age_days":9,"expected_fill_days":27,"reasons":["conf:0","stale_co","velocity","win:mid","comp:junior"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/trading-212-junior-backend-engineer","json_url":"https://alion.io/job/trading-212-junior-backend-engineer.json","meta":{"generated_at":"2026-10-10T00:34:33Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":914,"day_limit":5000,"remaining_today":4086,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":51399},"rest":"https://alion.io/mcp/rest/get_company?id=51399"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftrading-212-junior-backend-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftrading-212-junior-backend-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftrading-212-junior-backend-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/trading-212-junior-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftrading-212-junior-backend-engineer"}]}