Senior Android Engineer

Digital Health · Nairobi, NRB
Department Digital Health
Employment Type Full-Time
Minimum Experience Experienced

Who we are

Ona builds technology solutions to help address some of the world’s greatest challenges. We work with UN agencies, governments, research institutions, and leading development organizations to improve delivery of essential services. Our tools enable our partners to be more collaborative, data-driven, and accountable to the people they serve, ultimately increasing impact on the frontlines. 

Ona’s growing suite of products in data collection and visualization are easily integrated with existing data platforms and cutting edge technologies. These include OnaData—a mobile data collection and visualization platform, Canopy—an enterprise analytics solution, and OpenSRP—an mHealth platform designed to support health workers across the continuum of care. We also offer data management, analytics, and hosting services as well as technical advisory and capacity building services to provide a complete, end-to-end technology solution. 

Ona’s solutions have been used in over 70 countries to support programs across sectors, such as health, disaster relief, nutrition, education, and environmental sustainability. More than 31 million people have been registered using our data collection tools. One of our most exciting projects involves collaborating with Google to build the world’s first FHIR native digital health app

At Ona, we don't just strive for diversity, we thrive on it. For Ona, diversity has been a spring board for creativity, innovation, and growth. We are committed to giving equal opportunities to employees and applicants regardless of their race, religion, gender, sexual orientation, colour, nationality, age, marital status, or pregnancy status.



We are seeking a Senior Android Engineer to work on the OpenSRP team at Ona. OpenSRP is an open source mobile health platform that allows frontline health workers to electronically register and track the health of their entire client population. Read more about OpenSRP.

Qualities we're looking for

Thoughtful coder.

  • You understand the importance of abstractions and interfaces. You keep modules loosely coupled and know that algorithms + data structures = programs.
  • You read and understand existing systems before diving in. You know how to prototype, how to iterate, and when to step back and think it through or ask questions.


  • You are committed to the projects you work on and need to see them through to completion. You understand that solving the user's problem is the end goal.

Lifelong learner.

  • You stay up to date with the latest trends and are excited to learn new languages, tools, and best practices.


  • You thrive in teams and projects that span time zones and cultures.
  • You're ready and excited to travel in order to support projects, no matter how dusty or remote.

Key Responsibilities


  • Contribute and collaborate to the vibrant OpenSRP open source community.
  • Define client needs, system requirements, dependencies between requirements, and expected timelines.
  • Design, architect, extend and build Android client applications.
  • Coordinate and balance priorities of multiple projects and deliverables.
  • Minimum 5 years programming production Java web applications.
  • Minimum 5 years programming production Android client applications.
  • Experience programming with APIs and service based architectures.
  • Experience with databases and their integration into web and Android applications.
  • Strong attention to detail and understanding of architectural dependencies.
  • Strong troubleshooting and problem solving skills.


  • Experience working with remote teams
  • Experience with OpenSRP, OpenMRS, other EMRs
  • Experience with Kotlin, Spring
  • Experience with Postgres, SQLite, other relational, k/v, column-oriented, or log-based databases
  • Experience with Ansible, Terraform, AWS, Alibaba Cloud, other IaaS and infrastructure as code systems
  • Experience with Superset, NiFi, Kafka

To apply

Please send the following

  • Note describing why you are interested in working at Ona.
  • Update resume.
  • Examples of your work. Link to your GitHub page, projects you've completed, or your website.
  • (Bonus points) Build something cool using our API, or extend some software we've written.

Note that resumes will be reviewed as soon as received, only short-listed candidates will be contacted.

Thank You

Your application was submitted successfully.

  • Location
    Nairobi, NRB
  • Department
    Digital Health
  • Employment Type
  • Minimum Experience