Echo Base is a private holding company pursuing special situation control investments in the digital assets space. Its global crypto team possesses deep experience in both the scaling of new ventures and the restructuring of complex assets. Echo Base seeks to leverage operational and technical synergies across its portfolio companies to drive innovation. Est. 2025.

Job Overview

The Senior Android Engineer is responsible for designing, developing, and maintaining high-performance Android applications. This role requires deep expertise in Kotlin, a strong understanding of Android architectures, and the ability to deliver responsive, secure, and real-time features for a global user base. You’ll join a small, dynamic, remote team, collaborating closely with designers, backend engineers, and product teams to drive innovation and ensure seamless user experiences. Success in this role means stabilizing and enhancing the codebase, delivering high-quality features under tight deadlines, mentoring junior developers, and resolving technical debt while aligning with strategic project goals. The role is critical in maintaining our position as a leader in cryptocurrency trading by ensuring robust, low-latency, and secure mobile applications.

What will you do:

Develop and maintain Android applications
Build and enhance high-performance Android applications using Kotlin to support billions in trading volume.
Implement custom UI components
Design seamless and responsive user interfaces using custom UI components for an intuitive user experience.
Optimize real-time data feeds
Integrate and optimize real-time data processing with exchange APIs using WebSockets and REST.
Leverage modern Android frameworks
Utilize Jetpack Components and Coroutines to ensure scalable, maintainable, and efficient code.
Collaborate with cross-functional teams
Work with designers, backend engineers, and product teams to define and ship new features.
Ensure app performance and security
Maintain robust performance, security, and reliability in a high-stakes trading environment.

Who you are:

A problem-solver who excels in dynamic, remote work environments.
A mentor capable of guiding junior developers and rebuilding team momentum.
A proactive engineer who identifies and resolves technical debt to ensure codebase stability.
A detail-oriented professional committed to delivering high-quality, maintainable code.
A collaborative team player with strong communication skills across distributed teams.

What we are looking for:

Expertise in Android development: 5+ years of professional Android development experience with expert-level proficiency in Kotlin.
Strong UI and framework skills: Proven experience building custom UI for Android applications, with expertise in Jetpack Components (e.g., LiveData, ViewModel, Room) and Coroutines.
Real-time data and API integration: Strong knowledge of integrating and optimizing real-time data feeds using WebSockets and REST APIs.
Deep Android knowledge: Comprehensive understanding of mobile architectures, trends, and emerging technologies, with the ability to adapt to evolving platforms.
Effective communication and independence: Fluent in English with strong communication skills and the ability to work independently in a remote, cross-functional team.
Experience with trading: Proven ability and skills of trading, understanding how it works, and development of similar platforms in the past.

About the company

Echo Base is a private holding company formed for the purpose of pursuing special situation control investments in the digital assets space. Our global crypto team possesses deep experience in both the scaling of new ventures and the restructuring of complex assets with asymmetric risk profiles. Through lateral acquisitions, Echo Base seeks to leverage operational and technical synergies across our portfolio companies.