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Hatch Pros

Sr Android Developer with Java

Hybrid

St louis, United states

$ 67 /hour

Freelance

08-01-2026

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Skills

Communication Java Kotlin Encryption Version Control Test Agile methodologies Architecture Organization Analytical Skills react Software Development Agile Junit Mobile App Development Spring Android E-commerce

Job Specifications

Independent Candidates Only

Video for non-local and F2F for local

Glider Test

Hybrid

Android developer with Kotlin and intermediate level JAVA, Spring, RESTful API experience.

The glider assessment is the iOS/Android software engineering test (candidate will select ‘Android’ to take the assessment.

The manager will consider remote resources for the interview, but position requires relocation to O’Fallon, Missouri to start onsite 1st day.

Team works a hybrid work schedule (2-3 days a week onsite). If candidates say they are local, we must confirm their address.

Local candidates will interview onsite.

Non-local candidates will be video interview…

Title: Senior Software Engineer

Location: O'Fallon, Missouri

Duration: 12 Months

GLIDER: Software Engineering – Intermediate

Top 3 required technical skills?
Proficient in native Android development using Kotlin or Java and frameworks like Jetpack Compose or the Android SDK, with a solid understanding of Android architecture. Also experienced in cross-platform mobile development using tools such as React Native, Flutter, or Xamarin.
2. Intermediate experience using Java / Spring / RESTful APIs
3. Good exposure in debugging the apps. Working on bug fixes and improving app performance

Overview

Job Description Summary

The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases that will drive uptake and penetration for the products and revenue. The authentication products that fall within this role’s responsibilities are ID Check, Token Authentication Service and Token Authentication Framework.

If you want a challenging project that is changing the way people do payments, this is the role for you!

As a Software Development Engineer, you are expected to perform the following general duties:

Architect, design and build native and cross platform applications
Collaborate with cross-functional teams to define, design, and ship new features
Unit-test code for robustness, including edge cases, usability, and general reliability
Work on feature development, defect fixes and improving application performance
Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Design and build libraries/frameworks/applications for the Android platform
Ensure the performance, quality, and responsiveness of applications
Supporting the entire application lifecycle from concept to design, testing, release, and support
Work with Agile methodologies

All About You

Bachelor's degree in Information Technology, Computer Science or equivalent education
Proficient in native Android development using Kotlin or Java and frameworks like Jetpack Compose or the Android SDK, with a solid understanding of Android architecture. Also experienced in cross-platform mobile development using tools such as React Native, Flutter, or Xamarin
Hands on experience of working with Coroutines
Intermediate experience using Java / Spring / RESTful APIs
Intermediate experience conducting unit, component, integrated and functional tests (e.g. Junit, Mockito, Cocumber etc.)
Experience with LiveData and Flows
Architecture Pattern - Familiarity architecture patterns like Model-View-ViewModel, Model-View-Presenter, Model-View-Intent etc.
Good experience in writing unit test cases
Good exposure in debugging the apps. Working on bug fixes and improving of app performance
Good knowledge of Security guidelines applied in mobile app development
Knowledge of Version Control and CI-CD
Experience working in an Agile environment
Experience in implementing APIs and third-party SDK
You are a problem solver with good analytical skills
Soft spoken, team player and should be good in communication skills and negotiations

Good To Have

Knowledge of other web technologies and UI/UX standards
Knowledge of security models, encryption standards and algorithms

Our Teams And Values

We work within small collaborative teams consisting of software engineers and product managers
Our customer’s success is at the core of what we do
We are diverse and inclusive teams from many backgrounds and with many experiences
We believe in doing well by doing good through inclusive growth and making ethical and environmentally responsible decisions
Duration of assignment? Is there an anticipated opportunity for conversion or extension?

         1 year initial on and will be extended based on the project needs. We may convert based on the project requirements (not known at this point in time)

What is the name of your group? How does it fit into the overall organization?

Biometric Checkout Services under Authentication Program within Digital Solutions

What program will this person be supporting? Will this person be a part of a Guild? If so, which one and how will they be contributing?

Authentication program. No.

What is your team’s main responsibility?

Understanding requirements, build apps, SDKs, use BLE technology for broadc

About the Company

HatchPros is a distinguished E-Verified staffing and recruiting firm, renowned for its expertise in managed services, IT professional resourcing, and a broadened focus on key Non-IT sectors including Finance, Automobile, Engineering, Healthcare, Logistics and Transportation. With a seasoned team at the helm, we empower businesses across a diverse array of industries, guiding them through every phase of the technology adoption lifecycle and addressing critical needs beyond the IT domain. Our mission is to offer meticulously t... Know more