{"id":3010393,"url":"https://alion.io/job/infobip-mid-backend-engineer-3","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":"B","score":83,"open_postings":6,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":56,"computed_at":"2026-10-25T05:49:26Z"}},"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":"Claude","optional":false},{"name":"MS SQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Scrum","optional":false},{"name":"Java","optional":true},{"name":"Spring Boot","optional":true}],"status":"live","first_seen_at":"2026-10-21T15:14:22Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-22T16:27:02Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"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 in our Telco base, you will build and evolve products for telecom operators. These products let operators offer their business customers (brands) new network functionalities. Our services connect directly to operator networks and process large volumes of data in real time, with high throughput as a core requirement. You will work in a team of 4-5 engineers on Scrum-based delivery and 3-week sprints. Your first six months will focus on onboarding to our services, processes and the telco domain - including new emerging products.\nWhat you'll do\nDesign, develop, maintain, monitor, and troubleshoot backend services for telecom operator products\nBuild high-throughput systems that process large volumes of messaging traffic through operator networks\nWork on new products in their early stages, such as an entitlement service for SIM-based authentication\nCollaborate with Google and Apple and follow global standards when building network functionalities for operators\nWork with relational databases to store and process large amounts of data\nCollaborate with engineers, product managers, and stakeholders to deliver reliable technical solutions\nUse AI tools with understanding, choosing the right model for the task\nWhat makes you a strong fit\nAt least 3+ years of professional experience in backend or full-stack software engineering roles\nSolid understanding and practical application of object-oriented programming (OOP) concepts, regardless of programming language or framework\nExperience building and maintaining distributed backend systems in production environments\nExperience working with relational databases and data-intensive applications, such as Postgres or MSSQL\nComfortable working in an agile Scrum environment and collaborating with your team, stakeholders, and product managers\nProactive and ownership-driven approach to problem solving\nHands-on experience working with AI tools such as Claude or Codex, and an understanding of what different models are best used for\nFluent in English, both spoken and written\nNice-to-have qualifications\nExperience with Java and Spring Boot\nExperience and understanding of frontend\n\nWhy you'll love it here\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.\n\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.\n\nESOP (Employee Stock Ownership Plan) - As an Infobip employee, you’ll have the opportunity to share in our company’s success through stock options.\n\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.\n\nCareer mobility - Your career is a journey. With internal mobility, upskilling, and mentorship, we help you shape your path.\n\nProfessional development - Learning never stops. Onboarding, mentorship, and training programs help you grow - no matter where you start.\n\nInternational mobility - Ready to take your career global? Explore short and long-term opportunities in our Hubs worldwide.\nWhile 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. Applications submitted via other third-party platforms are not reviewed or processed by Infobip.\n\n#LI-TF1","description_format":"text","description_chars":5157,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Flexible schedule","Hybrid work","Professional development","Stock options"],"hiring_locations":[{"name":"Croatia","iso":"HR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Unified Communications","Telecom Infrastructure"],"lifecycle":[{"event":"open","at":"2026-10-21T15:14:22Z"}],"visa":[],"liveness":{"score":81,"band":"hot","label":"Hiring now","p_open":0.9,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":56,"reasons":["conf:61","velocity","win:early","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/infobip-mid-backend-engineer-3","json_url":"https://alion.io/job/infobip-mid-backend-engineer-3.json","meta":{"generated_at":"2026-10-25T13:32:55Z","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_verified","counted_by":"address","units_charged":1,"used_today":19253,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":5500},"rest":"https://alion.io/mcp/rest/get_company?id=5500"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Finfobip-mid-backend-engineer-3"},{"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%2Finfobip-mid-backend-engineer-3"},{"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%2Finfobip-mid-backend-engineer-3"},{"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/infobip-mid-backend-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Finfobip-mid-backend-engineer-3"}]}