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View Samuel

Samuel Williams Quaynor, OneSignal Developer

Last Job: 22 Jun 2024

Software engineer with 4+ years of experience specializing in mobile app development, including UI/UX design, with expertise in Flutter and integrations with Firebase. Highlights include leading the development of mobile platforms for companies like Boostmate Inc and PDA Funds, improving app performance, and maintaining high coding standards. Proven track record in applying Agile methodologies, performing unit and E2E testing, and employing tools such as Git/GitHub for project management. Holds a computer science degree from Kwame Nkrumah University of Science and Technology, emphasizing this candidate's strong theoretical and practical foundation in software engineering.

OneSignal

Facebook Auth 4 yr.

Android APIs 4 yr.

iOS 4 yr.

Identity Server

Firebase Realtime Database

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View Alexander

Alexander V., OneSignal Developer

Last Job: 23 Nov 2023

- Experienced full-stack developer with a strong background in software engineering and computer science education; - Proficient in Node.js, React, and PHP, with expertise in OOP and TypeScript; - Skilled in creating projects from scratch and working with legacy code; - Experienced in API integrations, including AWS S3, Google Maps, and Mailchimp; - Familiar with various technologies and frameworks such as Docker, PostgreSQL, Redis, and Laravel; - Strong understanding of SDLC, software development practices, and Agile methodologies; - Excellent communication skills and experience working with international customers and teams.

OneSignal 2 yr.

PHP 5 yr.

View Alexander

Pavel K., OneSignal Developer

Last Job: 4 Jul 2023

- Android Engineer with 5 years of experience - Profound Fastline and Jenkins professional experience - Intermediate English - Available ASAP

OneSignal

Android 4.5 yr.

Android SDK

Kotlin

X-Men, OneSignal Developer

Last Job: 26 Apr 2023

OneSignal

Swift

UIKit

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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

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Within 1-3 days, we’ll share profiles and connect you with the right OneSignal talents for your project. Schedule a call to meet engineers in person.

Validate Your Choice

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Welcome on Upstaff: The best site to hire OneSignal Developer

Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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Hire Dedicated OneSignal Developer Trusted by People

Roman Masniuk August 25, 2023

I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!

Maryna Navo September 25, 2023

Крутий сервіс, зручна комунікація. Допомогли з закриттям мого питання на 200%

Volodymyr August 11, 2023

Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in.Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

Vitalii Stalynskyi August 29, 2023

I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog.When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly.Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.

Henry Akwerigbe August 30, 2023

This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management.There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more.It gets even better because many projects even allow full remote from anywhere!Nice job to the Upstaff Team 🙌🏽.

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FAQs on OneSignal Development

What is a OneSignal Developer?

A OneSignal Developer is a specialist in the OneSignal framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a OneSignal Developer through Upstaff.com?

Hiring through Upstaff.com gives you access to a curated pool of pre-screened OneSignal Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a OneSignal Developer is right for my project?

If your project involves developing applications or systems that rely heavily on OneSignal, then hiring a OneSignal Developer would be essential.

How does the hiring process work on Upstaff.com?

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified OneSignal Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a OneSignal Developer?

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire OneSignal Developers on a part-time or project-based basis?

Yes, Upstaff.com allows you to hire OneSignal Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of OneSignal Developers on Upstaff.com?

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a OneSignal Developer once hired?

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process?

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a OneSignal Developer if they are not meeting expectations?

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.

Discover Our Talent Experience & Skills

Browse by Experience

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Browse by Experience

Browse by Skills

Data and Analytics

Data Analyst (DA)Data Engineer Data Extraction and ETL Business Intelligence (BI)Data Mining and Management Process Mining

Digital Platforms

Adobe Commerce (ex Magento)Adobe Experience Manager and Platform (AEM AEP)Microsoft (AX, Dynamics 365, SharePoint)

Delivery Management and Analytics

Agile Leader Business Analyst (BA)Project Delivery Project Manager Service Manager

Design and Creative

User Interface and Experience Designer (UI/UX)Mobile Apps Product Designer Immersive Experience Designer (AR/VR/MR/Metaverse)

Desktop Software

Embedded Systems

Embedded Firmware Embedded Software GPU Software

GameDev

Game Designer Video Game

Industrial Engineering

BIM (Building Information Modelling)

Low-Code

Microsoft PowerApps Salesforce Lightning

Marketing

Chief Marketing Officer (CMO)

Metaverse and Blockchain (Web 3.0)

Blockchain and Cryptography NFT Marketplaces Wallet and Web3 Integration DeFi Ecosystem Metaverse/GameFi Smart Contract Audit/Security DEX and CEX DAO/dApps Blockchain Project/Product Manager Crypto Social Media Marketing Crypto and Web3 Community Management and Support Telegram Bots and Mini-Apps

Operations and Cloud

Security Operations (SecOps)Database Development Database Management and Administration Information Security and Compliance Officer NetOps and SysOps Site Reliability Engineer (SRE)Solutions Architect

Quality Engineering and Testing

Manual QA / Tester Mobile QA QA Automation / Testing

Scripting and Automation

Robotic Process Automation (RPA)Scripting and Automation

Web Engineering

Back-End Web Front-End Web Full Stack Web Coding Tutor

Writing and Translation

Language Tutor

Go (Golang) Ecosystem

Gin Echo GORM Gorilla Mux

JavaScript Frameworks and Libraries

React Angular Vue.js Node.js ES6 Grunt Gulp.js Next.js NgRx Nuxt React Native Redux RxJs Vuex Webpack AngularJS Yarn RequireJS Angular framework Babel Enzyme React Testing Library Ember.js Mongoose KnockoutJS Mobx Lodash React Bootstrap Formik Canvas Express Hammer.JS Redux-persist React Query Vuetify Styled components Moment.js Redux Form Reselect Hapi.js React Navigation GatsbyJS Pm2 Meteor.js JSX Flutter-Redux Webpack i18next Backbone.js Passport.js React-Router three.js Redux Thunk Moleculer microservices framework Canva Quasar Winston Handlebars.js Mustache Koa.js Strapi Fastify NPM + Yarn Electron Puppeteer AdonisJS Redux-toolkit SvelteJS ethers.js NestJS Nightwatch.js Angular JWT Immutable.js React-Saga EJS Angular CLI Redux-Saga React Hooks yup Node Package Manager (NPM)React Context SinonJS Sencha React Thunk Vanilla JS Vue Router Expo Vite LoopBack NativeJS SailsJS Preact Web3.js Polkadot.js Bookshelf.js FabricJS mui Pinia

Rust Frameworks and Libraries

Percy juniper Actix Web Actix Sentry Axum

Scala Frameworks and Libraries

Play Framework Akka Akka Streams Clojure Scalatest Akka Actors Alpakka Leiningen Scala Cats Scala SBT

Databases & Management Systems / ORM

Apache Cassandra AWS ElasticSearch Eloquent ORM Firebase Apache Hadoop Hibernate MongoDB MySQL NoSQL Oracle Database PostgreSQL Redis RethinkDB SQL SQLAlchemy SQLite Snowflake Percona MariaDB Memcached MS Access Microsoft SQL Server PL/SQL SQL (DataGrip)DBMS: MySQL AWS Redshift Greenplum Teradata Apache Spark Streaming RDBMS Azure Cosmos DB Hadoop ecosystem Apache Hive Apache Spark T-SQL FireBird ORM Liquibase CouchDB DBeaver Sphinx AWS DynamoDB Flyway Apache Spark ML Hadoop Distributed File System (HDFS)Firebase messaging BigChainDB FireStore Sequelize dbt Realm SQL Server Management Studio TSQL Typeorm MemSQL Google Firebase Neo4j GreenDao Oracle 10g PGAdmin MongoDB Compass CosmosDB OrmLite Transact-SQL PostGIS InfluxDB pgSQL Couchbase Firebase Realtime Database CockroachDB Materialize IBM DB2 MS Access Dbase Foxpro Prisma GORM SSMS MySQL Workbench Redis Cache SSRS Google BigQuery Django ORM Relational Databases Pg Admin ELK stack (Elasticsearch, Logstash, Kibana)Toad PGBouncer NaviCat HSQLDB Apache Druid Aura MS SQL Server Management Studio Clickhouse SqlServer Microsoft Azure SQL Server SQL queries Airtable Netezza Data Warehousing Oracle SQL Data Lake Sybase Informix Data Warehouse Aerospike Database Modeling Database Design SSIS Doctrine ORM KSQL Slick database query ArangoDB Apache Kylin RocksDB Bigtable SSAS

PHP Frameworks / Libraries / Tools

Slim Symfony Laravel Xdebug CakePHP CodeIgniter Kohana Composer Twig Yii Zend Faker Psr PHPUnit Phalcon FastCGI Process Manager (FPM)Lumen October CMS Apiato

AI & Machine Learning

Keras Machine Learning NumPy OpenCV Scikit-learn TensorFlow Xgboost CNN PyTorch Azure Cognitive Search Apache Spark ML Deep Learning AWS Machine learning services (ML)AWS SageMaker (Amazon SageMaker)Kubeflow Mlflow Neural Networks

Amazon Web Services

AWS API AWS Cloud Data Science services AWS EBS AWS EC2 AWS ECS (Amazon Elastic Container Service)AWS ElasticSearch AWS IAM (Amazon Identity and Access Management)AWS VPC AWS Redshift AWS Security Groups AWS SNS AWS SQS (Amazon Simple Queue Service)AWS Elastic Kubernetes Service (EKS)AWS Lambda AWS S3 AWS DynamoDB AWS SES (Amazon Simple Email Service)AWS Cloudformation AWS EMR AWS S3 MinIO AWS ECR AWS Amplify AWS SDK for Android AWS Serverless AWS CodePipeline AWS Secrets Manager AWS Timestream (Amazon Time Series Database)AWS ElastiCache AWS Machine learning services (ML)AWS Route 53 AWS Pipeline AWS EFS (Amazon Elastic File System)AWS Boto3 AWS Advertising API AWS Auto Scaling AWS Kinesis AWS EB (Amazon Elastic Beanstalk)AWS Glue AWS API Gateway AWS AppSync AWS MQ AWS big data services AWS ELB (Amazon Elastic Load Balancer)AWS CloudWatch AWS R53 AWS CLI (Amazon Command Line Interface)AWS Aurora AWS Fargate AWS Batch AWS CodeDeploy AWS basics AWS RDS (Amazon Relational Database Service)AWS Quicksight AWS CloudTrail AWS WorkSpaces AWS ALB AWS CloudFront AWS LightSail AWS Cognito AWS SageMaker (Amazon SageMaker)AWS SAM AWS STS AWS DevOps AWS SDK AWS Glue Studio AWS CDK

Google Cloud Platform

Google Cloud AI Google App Engine Google Compute Engine (GCE)Google Data Studio Google Services Google Kubernetes Engine (GKE)GCP AI GCP Big Data services GCP Storage Google Docs Google BigQuery Google Cloud Storage Google Workspace Google Cloud Pub/Sub

Industry Domain Experience

Marketing Blockchain HealthCare Automotive Fintech & Banking Information Security Insurance Retail & Ecommerce Sales

Adobe Experience Manager (AEM)

AEM Sightly

Codecs & Media Containers

Ffmpeg

Collaboration, Task & Issue Tracking

Cron Redmine Asana Jira + Confluence Rally IBM Rational ClearCase YouTrack Atlassian JIRA OTRS Miro Slack Notion Microsoft Teams Atlassian Confluence Atlassian Trello Microsoft SharePoint

Hosting, Control Panels

uWSGI cPanel

Logging and Monitoring

Grafana Logstash Sentry Nagios Zabbix Cacti Prometheus Splunk Datadog Graylog SIP Azure Monitor Opsgenie Monit The Dude

Message/Queue/Task Brokers

Celery RabbitMQ Apache Oozie Twillio Kafka Streams Apache ActiveMQ Apache Kafka IBM MQ NATS Message Queue Telemetry Transport (MQQT)AWS MQ ZeroMQ Redis MQ Mosquitto

Operating Systems

Centos Debian Fedora FreeBSD Linux Ubuntu Unix Windows macOS Exim iOS Oracle Solaris RedHat Windows Phone OpenSuse GNU Arch Linux HP-UX NetBSD MS-DOS

Project Management & Administration

Product Management Project Management MVP Communication Problem Solving Leadership Strategy Marketing strategies ROI Scrum Master Product Roadmaps Acceptance Criteria Startups Amplitude Marketing research Flow chart

QA, Test Automation, Security

QA Automation Automated testing BugZilla Capybara Cucumber JUnit Apache Maven Mockito RSpec Postman UI/UX testing QA TestNG Jasmine Mocha Appium WebdriverIO Protractor CodeceptJS SoapUI JMeter Selenoid Wireshark JBehave PyTest SpecFlow NUnit Espresso XCUITEST Gatling Manual Testing Selenide TestLink Fiddler Mantis Firebug Behavior-driven development (BDD)Selenium Webdriver Chrome DevTools Functional Testing UI testing Selenium IDE Cypress Allure Unit Testing Testing Jest React Testing Library Karma Browserstack SauceLabs TestRail Serenity Spock Burp Suite API testing Software testing Test design Charles Proxy WEB testing XCTest Gherkin Nmap MS Test stress testing regression testing smoke testing GUI testing bug reports xunit Zeplin nock Chrome Developer Tool Testing Library Puppeteer TestFlight Percy E2E tests Locust OWASP ZAP Minitest PHPUnit PhantomJS App Tester Ad-hoc testing Cross-browser testing ReportPortal Test Plan Test Cases Scalatest Mobile Testing Allure Reports Cloud Security Performance Testing Applitools Cybersecurity Integration testing Zephyr Newman exploratory testing Playwright Allure Report non-functional testing Mock A/B Testing e2e testing Metasploit Nessus Manual and Automation Testing Load Testing Sanity Testing Selenium Grid K6 Selenium React-testing-library web application security Usability tests Equivalence Partitioning Boundary Value Analysis Localization testing Mobile automation testing iOS

Scripting and Command Line Interfaces

Make Bash Perl *nix Shell Scripts CLI Powershell Shell Scripts Angular CLI EMacs ZSH XSS Regexp

SDK / API and Integrations

AWS API Facebook API Google Maps API Rails API Stripe Swagger OAuth Google API JSON Web Token (JWT)Apollo GraphQL Zuul Log4j API Sendgrid API Microsoft Azure API LinkedIn API PayPal API Cloud based API YouTube API Dropbox API Twitter API Telegram API Eslint LinkedIn API Android SDK AmoCRM API IOS SDK SOAP API ASP.NET Web API Web API API testing Android APIs iOS APIs Twilio Jira API ServiceNow API Kotlin Flow Retrofit Hubspot API SharePoint API Twilio API Facebook SDK AWS SDK for Android Windows API JSON API Context API Fetch API Hasura FastApi Mulesoft RESTful API Apiary Google SDK Payment Gateways Plivo Spotify JSP Liferay Electronic Data Interchange (EDI)Insomnia AWS Advertising API Mailchimp API API Callouts OpenAPI AWS API Gateway Metadata API Bulk API Keycloak windows forms (winforms)Atlassian SDK Swagger API OIDC Git API Bigcommerce API DirectX Collections API RestTemplate ApiGateway

UiPath

UIPath REFramework UIPath UiPath Orchestrator UiPath Document Understanding UiPath Studio

Version Control

BitBucket GitHub GitLab Mercurial Perforce Git SVN VCS CVS Github Actions Assembla Gitflow Gerrit Apache Subversion Git submodules Nexus Crucible

Virtualization, Containers and Orchestration

OpenVZ Proxmox Terraform Vagrant VmWare XEN Docker LXC Docker Swarm Rancher OpenVPN Docker Compose Docker Registry vSphere VPN Google Compute Engine (GCE)VMWare ESXi WebAssembly Kubenetes ESXi VMWare ESX KVM (for Kernel-based Virtual Machine)Oracle VM VirtualBox IPSec VPN LXD Terragrunt Packer Nomad LibVirt

Want to hire OneSignal developer? Then you should know!

Table of Contents

How and where is OneSignal used?

Push Notifications: Increase user engagement
Automated Messaging: Personalized communication
In-App Messaging: Enhance user experience
Email Marketing: Targeted campaigns
SMS Messaging: Reach wider audience
Web Push Notifications: Drive website traffic
Geotargeting: Location-based targeting
A/B Testing: Optimize messaging strategies
Segmentation: Target specific user groups
Analytics: Measure campaign performance

Compare Junior, Middle, Senior, and Expert/Team Lead OneSignal Developer roles

Seniority Name	Years of experience	Responsibilities and activities	Average salary (USD/year)
Junior	0-2 years	Assist in code development. Execute test cases. Participate in code reviews.	$50,000
Middle	2-5 years	Develop new features. Optimize code performance. Mentor junior developers.	$75,000
Senior	5-8 years	Architect complex systems. Lead project planning. Resolve technical challenges.	$100,000
Expert/Team Lead	8+ years	Define technical strategy. Manage team deliverables. Provide technical guidance.	$120,000

Quick Facts about OneSignal.

OneSignal was born in the magical year of 2012 by George Deglin.
Developers love using OneSignal for their mobile app projects.
Getting started with OneSignal is as easy as pie, just 3 steps!
OneSignal’s best buddy in the tech world is Firebase Cloud Messaging.
Did you know OneSignal sends over 6 billion notifications daily? Mind-blowing!

TOP OneSignal Related Technologies

React Native
Java
Python
Node.js
Swift

What are top OneSignal instruments and tools?

OneSignal Push: Messaging tool for personalized push notifications
In-App Messaging: Tool for creating interactive in-app messages
Push Templates: Library of pre-built push notification templates
Web Push: Delivers push notifications to desktop and mobile web browsers
Email: Allows sending targeted emails to users
SMS: Enables sending text messages to users’ phones
Push API: API for integrating push notifications into apps

Hire OneSignal Developer

Hire Freelance OneSignal Developers and Engineers

Samuel Williams Quaynor, OneSignal Developer

Alexander V., OneSignal Developer

Pavel K., OneSignal Developer

X-Men, OneSignal Developer

Sign up now to see more OneSignal developers

Talk to Our Talent Expert

Only 3 Steps to Hire OneSignal Developer

Welcome on Upstaff: The best site to hire OneSignal Developer

Yaroslav Kuntsevych

Hire OneSignal Developer as Effortless as Calling a Taxi

FAQs on OneSignal Development

What is a OneSignal Developer?

Why should I hire a OneSignal Developer through Upstaff.com?

How do I know if a OneSignal Developer is right for my project?

How does the hiring process work on Upstaff.com?

What is the cost of hiring a OneSignal Developer?

Can I hire OneSignal Developers on a part-time or project-based basis?

What are the qualifications of OneSignal Developers on Upstaff.com?

How do I manage a OneSignal Developer once hired?

What support does Upstaff.com offer during the hiring process?

Can I replace a OneSignal Developer if they are not meeting expectations?

Discover Our Talent Experience & Skills

Want to hire OneSignal developer? Then you should know!

How and where is OneSignal used?

Compare Junior, Middle, Senior, and Expert/Team Lead OneSignal Developer roles

Quick Facts about OneSignal.

TOP OneSignal Related Technologies

What are top OneSignal instruments and tools?

Join our Telegram channel

Talk to Our Talent Expert