{"id":2031756,"url":"https://alion.io/job/infobip-mid-backend-engineer-2","title":"Mid Backend Engineer","company":{"id":5500,"name":"Infobip","domain":"infobip.com","url":"https://alion.io/company/infobip","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":93,"open_postings":7,"ghost_share":0,"stale_share":0.286,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Zagreb, Croatia"],"countries":["HR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"WhatsApp","optional":false},{"name":"Apache Kafka","optional":true},{"name":"MS SQL","optional":true},{"name":"PostgreSQL","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redis","optional":true}],"status":"live","first_seen_at":"2026-10-07T14:31:22Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-09T02:42:07Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Working at Infobip means being part of something truly global. With 75+ offices across six continents, we’re not just building technology - we’re shaping how more than 80% of the world connects and communicates.\nAs employees, we take pride in contributing to the world’s largest and only full-stack cloud communication platform. But it’s not just what we do, it’s how we do it: with curiosity, passion, and a whole lot of collaboration.\nWe operate with an AI-first mindset, embedding intelligent tools into our daily workflows to work smarter and more efficiently. Every role here benefits from and contributes to this approach.\nIf you're looking for meaningful work and challenges that grow you in a culture where people show up with purpose, this is your opportunity.\nLet’s build what’s next, together.\n\nWhat this role is all about\nAs a Software Engineer within our Platform Base, you will build and evolve the systems that handle the sending of all message types, including SMS/MMS, WhatsApp, WeChat, and KakaoTalk, as well as the traffic that returns back into our platform. The role combines backend software engineering and distributed systems work in an environment where performance, reliability, and continuous improvement are central to daily work.\nWhat you'll do\nDesign, develop, maintain, monitor, and troubleshoot backend services that support core platform and messaging capabilities\nBuild systems that track and process traffic and operational metrics across the Infobip platform\nDevelop scalable and reliable distributed services with a focus on high throughput and low latency\nContribute to internal tooling used for platform monitoring, alerting, and service configuration management\nWork with data-intensive systems and relational databases to aggregate and expose operational insights\nTake end-to-end ownership of the solutions you build, including deployment, monitoring, and production support\nCollaborate with engineers, product teams, and platform stakeholders to deliver reliable technical solutions\nApply an AI-first mindset when approaching engineering problems and leverage AI to improve code quality, testing processes, and technical documentation\nWhat makes you a strong fit\nAt least 3+ years of professional experience in backend or full-stack software engineering roles\nStrong software engineering fundamentals, including object-oriented programming and concurrent or parallel systems\nExperience building and maintaining distributed backend systems in production environments\nExperience working with relational databases and data-intensive applications\nUnderstanding of scalability, reliability, observability, and performance optimization in backend systems\nComfortable working in agile development environments with iterative delivery and team collaboration\nOpenness to working in a Java and Kotlin focused environment and learning new technologies when needed\nProactive and ownership-driven approach to problem solving and operational responsibility\nFluent in English, both spoken and written\nNice-to-have qualifications\nExperience with multithreading in Java or Kotlin, particularly in systems that run in parallel across multiple data centers and communicate with one another\nFamiliarity with RabbitMQ, Redis, Kafka, MSSQL, Postgres\nExperience with monitoring, observability, or alerting systems\n\nWhy you'll love it here\n\nFinancial rewards & recognition - A fair compensation aligned with your experience, industry, and market standards, performance-driven bonuses, regular reviews to support your growth and recognize your contributions, and a culture that values your impact. \nFlexible work arrangements - We combine in-person collaboration with remote work and flexible working hours, because great ideas happen everywhere - and not always between 9 and 5. \nESOP (Employee Stock Ownership Plan) - As an Infobip employee, you’ll have the opportunity to share in our company’s success through stock options. \nWork-life balance and Well-being - We offer time off when you need it, special leave days for life’s big moments, and a flexible hybrid work model tailored to local regulations. \nCareer mobility - Your career is a journey. With internal mobility, upskilling, and mentorship, we help you shape your path. \nProfessional development - Learning never stops. Onboarding, mentorship, and training programs help you grow - no matter where you start. \nInternational mobility - Ready to take your career global? Explore short and long-term opportunities in our Hubs worldwide. While some benefits may vary by location, our goal remains the same: to support your growth, well-being, and success - wherever you are.\n\nDiversity drives connection\nInfobip is built on diverse backgrounds, perspectives, and talents. We’re proud to be an equal-opportunity employer and are committed to fostering an inclusive workplace.\nNo matter your race, gender, age, background, or identity - if you have the passion and skills to thrive, there’s a place for you here.\nAll qualified applicants will receive consideration for employment without regard to race, color, ancestry, religion, age, sex, sexual orientation, gender, gender identity, national origin, citizenship, disability, veteran status or any other part of one's identity.\nRead more about our hiring process.\nPlease be aware that Infobip processes job applications only through our official platform Workday. 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