Job Title: Senior Backend Engineer 
Employment Status: Full-time
Location: Vienna, Austria - Hybrid (preferred) or Remote - EU
Compensation: competitive compensation + performance-based bonus and equity options.
Final compensation is negotiable based on experience and qualifications.
Benefits: free in-office: lunch, drinks, coffee, snacks, Wiener Linien ticket, a yearly company retreat, regular team events

Job Summary

At Ketryx, we’re on a mission to help medical software teams build secure, reliable applications that make a real difference in people’s lives. We give them the tools to automate the tough parts of compliance and quality so they can focus on what matters most: creating life-saving products with confidence.

We're looking for a Senior Backend Engineer to join our team. In this role, you’ll work on the backend of our platform, helping medical device companies get their products to market faster. You’ll take ownership of features from start to finish, designing the architecture, writing the code, and seeing everything through to production. Your work will have a direct impact on the future of healthcare technology.

This is a hybrid role in Vienna, with a minimum of three days per week spent on-site. We’re open to remote work for exceptional candidates.

About You

You’re passionate about software and making a real impact. You’re curious, enjoy solving tough problems, and love the idea of working in a fast-moving environment where you can take initiative. You’re comfortable collaborating in English with team members from different areas, and you take pride in owning projects from beginning to end. Above all, you’re excited about using technology to improve patient outcomes.

What You’ll Own & Contribute To

Database Design

Design and evolve PostgreSQL schemas, write efficient queries, apply indexing strategies, and help ensure the database remains performant and maintainable as the product grows.

Backend Development

Build new integrations between the Ketryx platform and other systems, APIs, and workflows. Contribute to improving latency, throughput, and fault tolerance across the backend stack.

Maintainable Systems

Write clean, well-tested code and contribute to standards around migrations, documentation, and testing. Help ensure the system remains easy to understand, debug, and extend.

Operational Reliability

Participate in monitoring, debugging, and incident response. Help identify performance bottlenecks and reliability issues, and contribute fixes and improvements.

Collaboration

Work closely with Product, Client Operations, Compliance, Security, and other engineers to deliver features that meet both business and regulatory requirements and resolve any technical challenges that come up

What We’re Looking For

• 5+ years of experience working as a software engineer, with strong experience in backend development
• Solid skills in TypeScript
• Strong experience with PostgreSQL: schema design, query optimization, indexing, and performance tuning
• Solid understanding of backend performance and maintainability, including refactoring and technical debt management
• Comfortable collaborating across teams and participating in technical discussions and design reviews
• Comfortable working in English and collaborating across teams

Bonus Points

• Experience with Prisma and Next.js
• Experience with GraphQL (urql or Apollo)
• Familiarity with AWS services like S3, RDS, and Elastic Beanstalk
• Familiarity with Docker and Kubernetes in production or near-production environments.
• Strong habits around testing (Jest, Cucumber, Playwright)
• Experience working in regulated industries like healthcare or finance
• Experience with Kotlin and Spring
• An interest in mentoring and helping others grow

Our Tech Stack

Frontend: TypeScript, React, Next.js, Tailwind, JollyUI
Backend: PostgreSQL, Redis, GraphQL (urql), Prisma
Testing: Jest, Cucumber, Playwright
Infrastructure: AWS (e.g. S3, RDS, Elastic Beanstalk), Sentry
Collaboration: Slack, GitHub, Figma, Jira, Confluence

Compensation

At Ketryx, we offer a competitive and transparent compensation package that reflects your experience and skills:

For candidates in Austria with 3–5 years of experience, the gross annual salary starts at €70,000+.

For candidates in Austria with more than 5 years of experience, the gross annual salary starts at €90,000+.

We offer all-in contracts, with final compensation tailored to your qualifications and experience. In addition to the base salary, our package includes a performance-based bonus and stock options, aligning your success with the company’s growth. For remote candidates, salary may be adjusted slightly based on location.

Core skills: Leadership, Coaching, Career Planning, Agile Software Delivery, Hiring, Project Management, Design for Scalability, Cloud Native, Microservices, Kotlin, Android, iOS, Docker, Kubernetes, DevOps, AWS

Bitmovin is a global Series-C SaaS scale-up that provides award-winning video streaming technology to world-renowned brands including Disney+, Discovery+, BBC, Red Bull Media House, Hulu, fuboTV, and The New York Times, to name just a few. 

Our solution suite consists of a Video Encoder, Player, and Analytics platform, enabling content owners to redefine the viewer experience through API-based workflow optimization, fast turnaround, and scalability. Innovations include the first commercial HTML5 MPEG-DASH.

“We are constantly seeking out forward-thinking individuals who want to shape the future of video… come and work with us!”

Stefan Lederer, CEO

At Bitmovin we value cognitive diversity and the huge part this plays in not only creating a global culture second to none, but in how this underpins our ability to create truly representative, Emmy award-winning products. Diversity in all its forms is encouraged and celebrated at Bitmovin; everyone has a role to play in helping us shape the future of video.

Why us? 

Bitmovin  is looking for an Engineering Manager (Mobile Player SDKs) to lead our Mobile team across Android and iOS platforms.

You will lead a team of 5 engineers building and evolving our industry-leading Mobile Player SDKs, used by some of the biggest streaming platforms worldwide. These SDKs are mission-critical components powering premium video playback experiences across mobile and TV devices.

This is a hands-on leadership role. We are looking for a technical Engineering Manager who actively contributes to architecture and coding (primarily Android), while coaching and guiding the team toward engineering excellence.

You will collaborate closely with cross-functional teams to ensure performance, reliability, and scalability across mobile ecosystems.

This is an opportunity that offers:

• Leading a highly skilled mobile engineering team in a global video tech scale-up

• Remaining technically hands-on while growing as a people leader

• Building SDKs that power streaming experiences for millions of users worldwide

• Working with modern mobile architectures and best practices

• Driving engineering excellence in performance-critical environments

• Being involved in product ideation, architectural decisions, and execution

Your Impact

You will make an impact that matters by:

• Leading, mentoring, and growing a team of 6 mobile engineers

• Contributing hands-on to Android development and architectural decisions

• Driving technical excellence in mobile SDK performance, stability, and API design

• Coaching engineers through regular feedback, career planning, and goal setting

• Supporting the team in delivering high-quality, well-tested, and maintainable code

• Collaborating cross-functionally to align product requirements with technical feasibility

• Strengthening CI/CD, testing strategies, and release processes for mobile platforms

• Exploring and applying agentic engineering practices to improve development efficiency and autonomy

• Continuously evaluating emerging mobile technologies and streaming standards

What can you bring

• Experience leading software development teams
  
  
• Strong coaching and mentoring skills with a passion for developing engineers
  
  
• Professional coding experience in Android development
  
  
• Experience contributing hands-on to production-level mobile applications or SDKs
  
  
• Exposure to or interest in agentic engineering practices
  
  
• Strong communication skills in English (written and spoken)
  
  
• Solid understanding of mobile architecture, performance optimization, and testing practices
  
  
• A positive, resilient mindset and strong ownership mentality

Nice to have:

• Professional experience with iOS and/or tvOS development
  
  
• Experience building SDKs or developer-facing products
  
  
• Knowledge of video streaming technologies or media playback systems
  
  
• Experience in a performance-critical or real-time environment

You don’t have experience with all the points above? Don’t worry, we will support you with learning, training, and coaching on the job.

Life at Bitmovin

Find out more about us on our Careers Page

See what fellow Bitmovers are saying on LinkedIn

Check the employee reviews on Glassdoor

For all of our roles, we are willing to offer flexible working arrangements to support everyone’s unique circumstances.

Overview

At the Esri R&D Center - Vienna, Austria, we drive innovation in Indoor Positioning System (IPS) technology to enhance the capabilities of indoor mapping for both casual and power users across various platforms and devices.

As a talented software engineer experienced in GIS technology, you will work with a growing team to translate user requirements into the design of high-quality products for our customers. Understanding how our users apply ArcGIS to real-world scenarios, you will contribute to the design, documentation, testing, release, and deployment of ArcGIS IPS. 

Responsibilities

• Participate in the design and specification of new GIS capabilities based on thorough understanding of users’ experiences, requirements, and challenges using the ArcGIS system
• Write supporting help topics, assistance guides, and address questions on product forums and websites
• Design and execute manual and automatic tests in support of an agile product development team
• Design testing procedures and scenarios using Python scripts or write sample code to demonstrate product capabilities
• Develop new ideas and best practices for modifying and extending our product
• Coordinate with team members and respond to high-priority Technical Support issues

Requirements

• 2+ years of experience supporting software testing or software development within an agile environment
• Familiarity with ArcGIS or other GIS and mapping products
• Experience with C++, Kotlin, Swift or Python
• Strong English communication skills
• Bachelor’s degree in computer science, GIS, geography, engineering, mathematics, or a related field

Recommended Qualifications

• Master's degree in computer science, GIS, information systems, or related field
• Software testing experience supporting mobile, desktop and web applications
• Knowledge of TeamCity, Jenkins, or other continuous integration/continuous delivery tools

#LI-JJ2

#LI-ONSITE

Overview

As an enthusiastic and talented mobile/Kotlin software developer, you will join a team that pushes the boundaries of technology to achieve a shared mission: bringing the power of GIS indoors.

We deliver world-class indoor GIS experiences helping users navigate, visualize, and interact with complex indoor environments, while also supporting the full spectrum of location-based capabilities that ArcGIS enables, from indoor positioning to traditional outdoor mapping and navigation. In this role, you will leverage your expertise to not only enhance our positioning engine but also drive new initiatives and explore emerging technologies that advance the functionality of ArcGIS Maps SDK. You will collaborate with a multidisciplinary team to create solutions that work seamlessly across indoor and outdoor contexts, empowering users in various industries.

The Esri R&D Center in Vienna, Austria, leads the research and development of cutting-edge indoor positioning systems technologies used in ArcGIS IPS. By combining radio signal data from Bluetooth Low Energy beacons and Wi-Fi with trajectory information derived from motion sensors on everyday mobile devices, we aim to deliver the world’s best indoor blue dot experience for our users.

Responsibilities

• Shape the way users of the ArcGIS Maps SDK for Android consume our cutting-edge location technologies and enable them to build unique experiences
• Develop and maintain code that interfaces with device sensors (such as GNSS, IMU sensors, Bluetooth) to acquire accurate, real-time data streams and deliver them efficiently to positioning algorithms - both in 2D as well as 3D contexts
• Through collaboration with product engineer colleagues, implement unit tests and automate regression testing to ensure the highest possible quality in all releases
• Work closely with other internal product and development teams to influence the design of upcoming platform technologies, features, and tools
• Build compelling demos that showcase common workflows and highlight product features
• Contribute to an international, cross-platform team, closely collaborating with mobile developers on planning and code reviews

Requirements

• 2+ years of Android software development experience
• Excellent knowledge of Kotlin and Android mobile development
• Demonstrated ability to work on a team that builds quality software
• Ability to understand new technology concepts quickly and apply them accurately in a rapidly evolving environment
• Experience with daily Git workflows (branches, review, merge)
• Strong written and verbal communication skills in English
• Time management, prioritization, teamwork, and interpersonal skills
• Bachelor’s degree in computer science, mathematics, GIS or a related field

Recommended Qualifications

• At least one application on the Google Play Store or an open-source project
• Experience working with the Android NDK
• Experience architecting and designing software products
• Experience with mobile software design patterns and resource limitations on Android
• Familiarity with Swift programming language
• Experience developing iOS applications
• Experience with Esri ArcGIS software or other geospatial technologies
• Master's degree in computer science, mathematics, GIS or a related field

#LI-DR5