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Core Data
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Python
VBScript
Core Data
PySpark
Apache Airflow
Business Intelligence (BI) Tools
Data Analysis
Databricks
Decision Tree
ETL
Microsoft Azure Data Factory
Microsoft Azure Synapse Analytics
Apache Hadoop
AWS Redshift
Cassandra
Clickhouse
Data Lake
dbt
HDP
MySQL
Oracle Database
PostgreSQL
RDBMS
Snowflake
Teradata
AWS EC2
AWS Glue
AWS Kinesis
AWS Redshift
Azure DevOps
Azure Key Vault
Databricks
Microsoft Azure Data Factory
Microsoft Azure Synapse Analytics
Cloud Functions
Agile
Architecture and Design Patterns
Scrum
Apache HTTP Server
Github Actions
Jenkins
Kafka
Project Management
Terraform
Dagster
ETL/ELT
Unreal Engine
...

- 20+ years of experience in Software development; - Strong skills in data engineering and cloud architecture; - Experience with encompasses cloud platforms AWS and Azure; - Deep abilities in Big Data technologies Databricks, Hadoop; - Experience with Python, MySQL, PostgreSQL and SQL; - Good knowledge of CI/CD implementation; - Holds certifications such as AWS Certified Solutions Architect and Microsoft Certified Azure Data Engineer Associate; - Experience with ETL; - Knowledge of designing scalable data solutions, leading cloud migrations, and optimizing system performance.

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Seniority Expert (10+ years)
Location Zagreb, Croatia
Objective-C 10yr.
iOS 10yr.
C++ 10yr.
Swift 5yr.
Cocoa 10yr.
SQL 10yr.
Architecture and Design Patterns 10yr.
macOS 10yr.
XCode 10yr.
AppKit 5yr.
UIKit 5yr.
Foundation 5yr.
XML 5yr.
JSON 5yr.
SQLite 5yr.
REST 5yr.
RPC (Remote Procedure Call) 5yr.
C#
Delphi
Java
JavaScript
Python
VBA
AFNetworking
BLE
CocoaPods
Cocoa Touch
Core Animation
Core Bluetooth
Core Data
Core Graphics
Core Location
Core Media
Core Text
Crashlytics
Flurry
KVC
KVO
NWProtocolWebSocket
Packet Tunnel Provider
StoreKit
SwiftGen
SwiftLint
Viper
Chromium
HTML
WebKit
VBA
Google Analytics
Firebase
Microsoft SQL Server
MySQL
Oracle Database
PostgreSQL
SQLCipher
AWS S3
Google Cloud Pub/Sub
Agile
Design patterns
DFF (Feature Driven Development)
MVC (Model-view-controller pattern)
MVVM
Scrum
SDLC
UML
Waterfall
Apache HTTP Server
Catch2
e2e testing
cURL
OpenSSL
TLS
XMPP
Firebase
FreeBSD
MS-DOS
Ubuntu
Unix
Windows
Git
Jenkins
Microsoft Visual Studio
Qt Creator
Qt Framework
valgrind
MVP
RESTful API
Windows API
3D Modelling
AE
AES
AppCenter CI
Box2D
Chromium/PDFium
cocos2d
Multitasking
pdfkit
Protobuf
RSA
Soda PDF
Swift Package Manager
...

- Served as a Senior Software Developer in the Two German Automotive Navigation Projects, focusing on System Team operations as well as Map and Routing domains. - VPN and Network Filtering Development: Extensive experience developing VPN solutions, including cross-platform engines for KeepSolid’s VPN Lite, and expertise in low-level network filtering, proxies, and handling internet traffic. - iOS Development Expertise: Over 10 years of hands-on experience with iOS development, including business apps and secure communication tools, with proficiency in Swift and Objective-C. - C++ Proficiency: Strong background in C++ for developing core network functionalities, optimizing performance, and building cross-platform applications. - Enterprise Application Development: Skilled in developing enterprise-level applications, including parental-style internet filters and device policy management tools. - Agile Methodologies: Proven track record of working in Agile Scrum environments, delivering high-quality software with fast iteration and strong collaboration. - Leadership and Team Collaboration: Experience as a Tech Lead, mentoring teams, and coordinating with stakeholders to resolve issues and implement new features. - Available to start ASAP

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Seniority Expert (10+ years)
Location Odesa, Ukraine
iOS
Objective-C
Swift
AFNetworking
Alamofire
Core Animation
Core Data
Core Graphics
Core Location
Core Motion
Crashlytics
Fabric
KVC
KVO
MapKit
RxSwift
SwiftUI
URLSession
Fabric
Realm
SQLite
Bluetooth
Design patterns
Kanban
OOP
Scrum
Waterfall
Git
SVN
Google Maps API
GraphQL
Jira
Redmine
Unit Testing
XCode
ARC
Auto Layout
Firebase push notifications
GCD
MagicalRecord
Popovers
Push notifications
SDWebImage
Storyboard
Table View
UICollectionView
UIWebView
...

- Experienced iOS developer with 7+ years of commercial experience in IT; - Proficient in Swift and Objective-C programming languages; - Strong knowledge of object-oriented programming (OOP) and design patterns; - Skilled in using iOS technologies such as UIKit, SwiftUI, Xcode, Core Data, Core Animation, and more; - Familiar with various architecture patterns like Clean-Swift, MVC, MVP, MVP-C, MVVM+C; - Experienced in working with REST APIs using URLSession and Alamofire; - Proficient in using Git and SVN for source control; - Familiar with agile development methodologies like SCRUM and Kanban; - Strong attention to detail and ability to work in a team environment; - Excellent communication skills and ability to work under pressure; - Fluent in spoken and written English at an upper-intermediate level.

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Seniority Senior (5-10 years)
Location Ukraine
Swift
Objective-C
C++
AFNetworking
Alamofire
Core Data
Core Graphics
Core Location
MapKit
Metal
Foundation
Realm
Git
SVN
iOS
macOS
Windows
Qt Framework
XCode
Core Foundation
GPUImage
MessageUI
MFMailCompose
ObjectMapper
PortSIP
SDWebImage
SwiftyJSON
...

- 8+ years of experience in the IT industry developing native IOS applications - Providing a full-cycle mobile development using the latest versions of Swift and Objective-C - Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC, and MVVM - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Poland
Swift
AVFoundation
Core Animation
Core Data
React Native
Firebase
NoSQL
Atlassian Trello
Jira
BitBucket
Git
Cornerstone
DRY
KISS
MVVM
SOLID
Firebase
iOS APIs
...

- 6+ years of experience with iOS - Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC and MVVM - Proficient with Swift 4.0, Objective-C, React-Native, RESTful APIs

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Seniority Middle (3-5 years)
Location India
iOS
Objective-C
Swift
Auto Layouts (Figma)
Foundation
Ulkit
AVFoundation
CocoaPods
Combine framework
Core Animation
Core Data
Fabric
KeychainSwift
MapKit
SwiftUI
TestFlight
UIKit
Viper
Fabric
JSON API
Firebase
FireStore
MySQL
NoSQL
SQLite
AppCenter
Firebase SDK
CI/CD
Design patterns
DRY
Kanban
MVC (Model-view-controller pattern)
MVVM
Observer
OOD
OOP
Scrum
Singleton
SOLID
TDD
UML
Fastlane
Firebase
Git
Github Actions
SourceTree
Jira
Redmine
JSON API
RESTful API
Stripe
TestFlight
UI testing
Unit Testing
XCTest
App Clips
Bridge
Builder
CoreML
CreateML
Facade
Factory
FNetworking
memory management
MetalKit
MLModel
Modular Architecture
Multithreading (GCD)
Networking
Objective-C/Swift
Push notifications
Salesforce Analytics
Salesforce SDK
SPM
XIBs
YAGNI
...

Software engineer with 4+ years of commercial experience in IT; - Strong skills working with iOS; - Proficient in developing applications using Swift and Objective-C; - Experience with iOS technologies such as UIKit, SwiftUI, Combine, Core Data, and more; - Familiarity with various architecture patterns, CI/CD, OOP principles, and REST API; - Excellent knowledge of OOP and experience in using design patterns; - Proficient in using Git for source control and Jira for tracking systems; - Experienced in Agile development methodologies such as SCRUM and Kanban; - Demonstrated expertise in mobile app development, including UI/UX design, testing, and deployment; - Skilled in using various tools and frameworks such as Firebase, CoreML, and CocoaPods; - Strong problem-solving skills and ability to work with databases such as SQLite, MySQL, and NoSQL; - Proficient in English, both spoken and written, at an upper-intermediate level.

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Seniority Middle (3-5 years)
Location Ukraine
Swift 7yr.
macOS 9yr.
Alamofire 7yr.
Core Data 7yr.
UIKit 7yr.
SQL 7yr.
Git 7yr.
iOS 7yr.
Jira 7yr.
Postman 7yr.
Scrum 7yr.
CocoaPods 6yr.
MapKit 5yr.
Realm 5yr.
Unit Testing 5yr.
ARKit 4yr.
Core Bluetooth 4yr.
Fabric 4yr.
Moya 4yr.
SceneKit 4yr.
Fabric 4yr.
Google Maps API 4yr.
Sketch 4yr.
Dispatch 4yr.
IGListKit 4yr.
AVFoundation 3yr.
StoreKit 3yr.
Foundation 3yr.
Core Location 2yr.
Viper 2yr.
Sinatra 2yr.
Firebase 2yr.
XCode 2yr.
Firebase 2yr.
SOLID 2yr.
Generamba 2yr.
MediaPlayer 2yr.
Starscream
Facebook SDK
RESTful API
Stripe
Swagger
Uber API
Facebook SDK
GitLab
Miro
DeclerativeTVC
iBeacon
Push notifications
Twilio SDK
Zendesk
...

- 7+ years of iOS developer - 7 years of experience with Swift - Upper-intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Ukraine
iOS
Objective-C
Swift
AFNetworking
Alamofire
ARKit
AVFoundation
Core Animation
Core Data
Core Location
Crashlytics
Fabric
KeychainSwift
SceneKit
Speech
StoreKit
SwiftUI
Auto Layouts (Figma)
Ulkit
Fabric
Firebase messaging
Firebase Realtime Database
Realm
SQLite
Architecture and Design Patterns
Kanban
MVC (Model-view-controller pattern)
Scrum
Singleton
Waterfall
BitBucket
Git
SourceTree
Facebook SDK
Google Maps API
Google SDK
RESTful API
Facebook SDK
Firebase SDK
Jira
Redmine
macOS
MVP
Storyboards
WebRTC
XMPP
Multithreading
Push notifications
...

- 7+ years of commercial experience in IT - Experience in developing applications using Swift, Objective-C - Excellent knowledge in OOP - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Intermediate English - Availability starting from 01/08/2023

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Seniority Senior (5-10 years)
Location Vinnitsa, Ukraine

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Manager
Maria Lapko
Global Partnership Manager
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Hiring Core Data developers? Then you should know!

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How and where is Core Data used?

  • Real-time data syncing: Synchronizing data across devices
  • Offline data storage: Storing data locally for offline access
  • Data caching: Improving app performance by caching data
  • Data versioning: Managing different versions of data
  • Data migration: Upgrading data models without losing existing data
  • Data encryption: Securing sensitive data with encryption
  • Object graph management: Handling complex relationships between data objects
  • Data validation: Ensuring data integrity and validity
  • Data querying: Efficiently retrieving specific data from a large dataset
  • Data modeling: Designing data structures for optimal performance

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

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior1-3 years
  • Assist in data modeling
  • Code development
  • Data validation
$60,000
Middle3-5 years
  • Database optimization
  • Implement ETL processes
  • Develop data pipelines
$80,000
Senior5-8 years
  • Lead data architecture design
  • Oversee data governance
  • Provide technical guidance
$100,000
Expert/Team Lead8+ years
  • Manage data team
  • Set data strategy
  • Lead data projects
$120,000

Quick Facts about Core Data.

  • Core Data software development was created in 2004.
  • Most popular project types using this technology are mobile apps.
  • The technology entry threshold involves learning Swift programming language.
  • One of the most popular related technologies is SQLite.
  • Fun fact: Core Data was originally named “Enterprise Objects Framework.”

TOP Core Data Related Technologies

  1. Swift (Apple)
  2. Java (Oracle)
  3. Kotlin (JetBrains)
  4. C# (Microsoft)
  5. Python (Python Software Foundation)

What are top Core Data instruments and tools?

  • OCLC: A worldwide library cooperative, helps libraries serve researchers. (1967)
  • EndNote: A reference management tool for managing bibliographies. (1988)
  • RefWorks: A web-based tool to manage bibliographic data. (2001)
  • Zotero: A free, easy-to-use tool to help you collect, organize, cite, and share research. (2006)
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Talk to Our Expert

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

Hire Core Data Developer as Effortless as Calling a Taxi

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FAQs about Core Data Development

How do I hire a Core Data developer? Arrow

Are you desperately looking for a Core Data developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the Core Data Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find Core Data developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the Core Data guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff Core Data developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating Core Data candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire Core Data developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched Core Data Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet Core Data engineers in person. Make the right call. Bring a new Core Data developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote Core Data engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their Core Data skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire Core Data developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire Core Data developers. Upstaff has a network of vetted and tested Core Data developers. Here, you can hire web developers for a few simple coding tasks with Core Data.