Senior Software Engineer (Mobile Platform)

Posted 8 Days Ago
Be an Early Applicant
5 Locations
In-Office
Senior level
Mobile • Software
We help create meaningful, timely and effortless interactions between companies and their customers.
The Role
As a Senior Software Engineer, you'll develop and maintain mobile SDKs and back-end services, while participating in architecture discussions and improving system reliability for a mobile messaging platform.
Summary Generated by Built In

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.


As 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.


We 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.


If you're looking for meaningful work and challenges that grow you in a culture where people show up with purpose, this is your opportunity.

Let’s build what’s next, together.

About the Role

 

At Infobip’s Engineering Powerhouse, you’ll build scalable in-house products used globally. As a Software Engineer on our Mobile Messaging SaaS Platform, you’ll enable enterprises to deliver secure, reliable mobile messaging—including push notifications, in-app messaging, and mobile inboxes—across iOS, Android, and cross-platform frameworks (React Native, Flutter, Cordova). Serving thousands of customers worldwide, the platform prioritizes stability, backward compatibility, and correctness.  

You’ll work across the full stack—from mobile SDKs and plugins to backend services and APIs — collaborating on real client integrations to troubleshoot issues and improve system reliability.

This role offers broad ownership, with engineering decisions that directly impact customers and shape long-term success.

 

 

What You’ll Do
- Own development and maintenance of mobile SDKs, expand to plugins and backend services
- Write clean, testable, scalable code with focus on correctness
- Participate in architecture discussions and agile workflows 
- Suggest improvements in architecture and engineering processes
- Continuously learn and collaborate with team and stakeholders

What Makes You a Strong Fit
- Senior mobile or motivated mid-level backend engineer ready for broader ownership
- Strong Android/iOS SDK or library development experience
- Familiarity with backend APIs and distributed systems interaction
- Solid OOP, data structures, concurrency knowledge 
- Willingness to work with cross-platform plugins and backend troubleshooting (Java/Kotlin, Spring Boot)
- Good grasp of RESTful APIs, code reviews, testing
- Collaborative and customer-focused mindset

Nice-to-Have
- CI/CD and release automation experience
- Experience with Redis, MongoDB, MS SQL Server 
- JavaScript/Node.js for plugins or tooling
- Familiarity with Jira, Confluence, Slack
- Openness to improving platform architecture and workflows

 

Why you'll love it here

    -Financial 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.
    -Flexible 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.
    -ESOP (Employee Stock Ownership Plan) - As an Infobip employee, you’ll have the opportunity to share in our company’s success through stock options.
    -Work-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.
    -Career mobility - Your career is a journey. With internal mobility, upskilling, and mentorship, we help you shape your path. 
    -Professional development - Learning never stops. Onboarding, mentorship, and training programs help you grow - no matter where you start.
    -International 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.

    Diversity drives connection

    Infobip 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.

    No matter your race, gender, age, background, or identity — if you have the passion and skills to thrive, there’s a place for you here.

    All 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.

    Read more about our hiring process.

    #LI-KG1

    Top Skills

    Java,Kotlin,Spring Boot,Restful Apis,React Native,Flutter,Cordova,Redis,Mongodb,Ms Sql Server,Javascript,Node.Js
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    The Company
    HQ: London
    3,100 Employees
    Year Founded: 2006

    What We Do

    HIRING NOW! Infobip helps businesses build connected experiences across all stages of the customer journey. Accessed through a single platform, Infobip’s omnichannel engagement, identity, user authentication and contact center solutions help businesses and partners overcome the complexity of consumer communications to grow business and increase loyalty.

    We work with large organizations, including seven of the world’s 10 biggest brands, across sales and marketing, operations, human resources, IT and security, and customer service. Our mobile engagement solutions help optimize operational functions, enhance internal and external communications, improve customer experiences, reduce support costs, generate new revenue, and gain a competitive advantage.

    Whether two-factor authentication for high-tech retailers, emergency alerts for global giants, or mobile-giving solutions for large charities, Infobip offers the scale, service flexibility, reliability, and heritage to provide interactive solutions for today and in the future.

    Companies choose Infobip for our domain expertise, service flexibility, demonstrated performance and reliability, global scale, and corporate maturity.

    Why Work With Us

    We work with some of the biggest enterprises in the world to make their customers’ lives better. But we’re small enough that every person counts. We’ve got a passion for our technology to rival any start-up. Our people are the best and most professional in the world. But we’re a suits-and-bureaucracy free zone.

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