Hire Developers with different Programming Languages

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Upstaff connects top-tier engineers proficient in a variety of programming languages, ensuring your projects are powered by the right expertise, from Python and Java to JavaScript and beyond. Hire dedicated developers with the skills your business needs, seamlessly.
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Azure 5yr.
Python 4yr.
SQL 5yr.
Cloudera 2yr.
JSON
PySpark
XML
Apache Airflow
Apache Spark
AWS Athena
Databricks
Data modeling Kimbal
Microsoft Azure Synapse Analytics
Microsoft Power BI
Tableau
Apache Spark
AWS ElasticSearch
AWS Redshift
dbt
HDFS
Microsoft Azure SQL Server
NoSQL
Oracle Database
Snowflake
Spark SQL
SSAS
SSIS
SSRS
AWS
GCP
AWS ElasticSearch
AWS EMR
AWS Glue
AWS Glue Studio
AWS Redshift
AWS S3
Azure HDInsight
Azure Key Vault
Databricks
Microsoft Azure SQL Server
Microsoft Azure Synapse Analytics
API
Grafana
Inmon
REST
Kafka
databases
...

- 12+ years experience working in the IT industry; - 12+ years experience in Data Engineering with Oracle Databases, Data Warehouse, Big Data, and Batch/Real time streaming systems; - Good skills working with Microsoft Azure, AWS, and GCP; - Deep abilities working with Big Data/Cloudera/Hadoop, Ecosystem/Data Warehouse, ETL, CI/CD; - Good experience working with Power BI, and Tableau; - 4+ years experience working with Python; - Strong skills with SQL, NoSQL, Spark SQL; - Good abilities working with Snowflake and DBT; - Strong abilities with Apache Kafka, Apache Spark/PySpark, and Apache Airflow; - Upper-Intermediate English.

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Seniority Senior (5-10 years)
Location Norway
Node.js 10yr.
JavaScript 15yr.
MongoDB 8yr.
Linux 8yr.
RDBMS 5yr.
PHP 4yr.
Docker 3yr.
Express 2yr.
React 2yr.
AWS ElasticSearch 2yr.
Redis 2yr.
AWS 2yr.
AWS ElasticSearch 2yr.
Ext JS 2yr.
NestJS
...

• 15+ years JavaScript programming • Over 10 years in Node.JS programming • Familiar with React.js • Experience building highly scalable distributed web applications and browser extensions • Extensive experience with REST services • Strong communication and cooperation skills • Solid experience as a Backend developer • Fluent in English, written and spoken • long Term experience in remote work with USA and Europien companies • Self-directed person, with proven ability to manage goals and deadlines effectively

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Seniority Expert (10+ years)
Location Belarus
Python 9yr.
SQL 6yr.
Microsoft Power BI 5yr.
Reltio
Databricks
Tableau 5yr.
NoSQL 5yr.
REST 5yr.
GCP 4yr.
Data Testing 3yr.
AWS 3yr.
Data Testing 3yr.
R 2yr.
Shiny 2yr.
Spotfire 1yr.
JavaScript
Machine Learning
PyTorch
Spacy
TensorFlow
Dask
Django Channels
Pandas
PySpark
Python Pickle
PyTorch
Scrapy
TensorFlow
Apache Airflow
Apache Spark
Data Mining
Data Modelling
Data Scraping
ETL
Reltio Data Loader
Reltio Integration Hub (RIH)
Sisense
Apache Spark
Aurora
AWS DynamoDB
AWS ElasticSearch
Microsoft SQL Server
MySQL
PostgreSQL
RDBMS
SQLAlchemy
AWS Bedrock
AWS CloudWatch
AWS DynamoDB
AWS ElasticSearch
AWS Fargate
AWS Lambda
AWS S3
AWS SQS
API
GraphQL
RESTful API
Selenium
Unit Testing
Git
Linux
Pipeline
RPA (Robotic Process Automation)
RStudio
BIGData
Cronjob
MDM
Mendix
Parallelization
Reltio APIs
Reltio match rules
Reltio survivorship rules
Reltio workflows
Vaex
...

- 8 years experience with various data disciplines: Data Engineer, Data Quality Engineer, Data Analyst, Data Management, ETL Engineer - Extensive hands-on expertise with Reltio MDM, including configuration, workflows, match rules, survivorship rules, troubleshooting, and integration using APIs and connectors (Databricks, Reltio Integration Hub), Data Modeling, Data Integration, Data Analyses, Data Validation, and Data Cleansing) - Data QA, SQL, Pipelines, ETL, Automated web scraping. - Data Analytics/Engineering with Cloud Service Providers (AWS, GCP) - Extensive experience with Spark and Hadoop, Databricks - 6 years of experience working with MySQL, SQL, and PostgreSQL; - 5 years of experience with Amazon Web Services (AWS), Google Cloud Platform (GCP) including Data Analytics/Engineering services, Kubernetes (K8s) - 5 years of experience with PowerBI - 4 years of experience with Tableau and other visualization tools like Spotfire and Sisense; - 3+ years of experience with AI/ML projects, background with TensorFlow, Scikit-learn and PyTorch; - Upper-intermediate to advanced English, - Henry is comfortable and has proven track record working with North American timezones (4hour+ overlap)

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Seniority Senior (5-10 years)
Location Nigeria
JavaScript 5yr.
Web3.js
React
WebRTC
Ant Design 5yr.
Java
TypeScript
Ajax
Bootstrap
Bootstrap 4
CSS
HTML
Material UI
SCSS
Socket.io
Storybook
Styled components
Tailwind CSS
Ethers.js
Express
GatsbyJS
i18next
Mobx
NestJS
Next.js
Node.js
React Hooks
React Query
Redux
Redux Thunk
Redux-toolkit
Styled components
MongoDB
PostgreSQL
Blockchain
Agile
Clean Architecture
Kanban
Scrum
Cypress
Jasmine
Jest
Mocha
React-testing-library
Unit Testing
dApps
Ethers.js
Hardhat
Solana
Docker
Problem Solving
WebSockets
Chakra UI
CSS3
Ext JS
Openai
React-hook-form
seo
WAGMI
Zustand
...

- 5+ years of experience as a Front-end JavaScript Developer; - 5+ years of experience in React.js; - Proficient in Solana Blockchain operations, including managing deposits, executing transfers, creating Phantom wallets, and handling contract call interactions; - Strong abilities working with Web3; - Deep experience in Next.js technology; - Experience with WebRTC, Soket.io; - Good knowledge of Tailwind CSS, Bootstrap, and Chakra UI; - Experience working with Redux, and Docker; - Familiar with Node.js; - Proficiency in testing frameworks like Jest and Cypress; - E-commerce, web, and mobile applications, including learning platforms, chatbots, dApps, and cryptocurrency wallet extensions.

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Seniority Senior (5-10 years)
Location Castel San Giovanni, Italy
JavaScript 8yr.
React 8yr.
TypeScript 5yr.
Node.js 5yr.
Next.js 3yr.
Redux 4yr.
PHP 1yr.
React Native 1yr.
Angular
Angular CLI
AngularJS
Backbone.js
Express
Koa.js
NestJS
ngFor
ngIf
NgRx
ngrx-forms
ngSwitch
React Bootstrap
reactive-forms
Redux-Saga
RxJs
Webpack
Ant Design
jQuery
Material UI
React Bootstrap
Cordova
Ionic
AWS ElasticSearch
FireStore
MongoDB
MySQL
NoSQL
PostgreSQL
Redis
Sequelize
SQL
AWS
AWS EC2
AWS ElasticSearch
AWS Lambda
AWS S3
Angular CLI
Apache HTTP Server
Nginx
Conflict Management
Emotional Intelligence (EI)
Mentor Aptitude
Team Management
Team Management Skills
DeFi
Fortmatic
MetaMask
NFT
Smart Contract
Wallet Link
Web3
Docker
GraphQL
RESTful API
Kubernetes
WebRTC
WebSockets
WordPress
Angular Material UI
Model-View-Controller (MVC)
Subsquid
...

- 10+ years of experience in web development, M.Sc in Software Engineering - Front-End: Angular, React, Vue.js (JavaScript & TypeScript) - Back-End: Node.js, Next.js, TypeScript , PHP - Mobile: React Native - AWS Cloud infrastructure - Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). - Unit testing, integration testing, and end-to-end testing. - Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. - Experience conducting assessments and interviews remotely.

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Seniority Architect/Team-lead
Location Ukraine
Python
Django
Flask
C#
JavaScript
TensorFlow
APScheduler
AsyncIO
Beautiful Soup
Django Channels
Django ORM
Dramatiq
Pandas
PyTest
TensorFlow
CSS
HTML
Vue.js
Vue Router
Vuex
Data Analysis
Data Mining
Elastic Search Platform
AWS ElasticSearch
Django ORM
MongoDB
PostgreSQL
Redis
SQLAlchemy
AWS ElasticSearch
AWS MWS (Amazon Marketplace Web Service)
AWS S3
SP-API (Amazon Selling Partner API)
AWS MWS (Amazon Marketplace Web Service)
FastAPI
Google API
SP-API (Amazon Selling Partner API)
Telegram API
Bash
Celery
RabbitMQ
CI/CD
Cypress
PyTest
Unit Testing
Docker
Jinja
microservices architecture
Nginx
Django REST framework
Marshmallow
Natural Language
quip-API
...

- 5 years of experience in the IT industry as a Python Engineer- Proficient in using technologies such as Django DRF, Flask, Pandas, BeautifulSoup, SQLAlchemy, Asyncio, Flask + Marshmallow, Apscheduler, Jinja, Quip API, Docker, Nginx, Amazon MWS API, Amazon SP-API, Google API, and Telegram API; - Strong in refactoring, bug-fixing, and working with Python, JavaScript, Django, Django Rest Framework;- Skilled in developing faceted search and matching algorithms using ElasticSearch;- Experienced in PDF generation and importing from various formats;- Developed web applications, API interfaces, and automated scripts for data transformation;- Previous experience includes working as a Python developer focused on data scraping for Amazon, eBay, and Walmart products in dropshipping projects;- Also worked as a C# developer on various projects, specializing in web development, scraping, and parsing data;- Upper-Intermediate English;- Available ASAP

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Seniority Senior (5-10 years)
Location Budapest, Hungary
Objective-C 10yr.
iOS 10yr.
C++ 10yr.
Swift 5yr.
SQL 10yr.
Cocoa 10yr.
Architecture and Design Patterns 10yr.
macOS 10yr.
XCode 10yr.
Foundation 5yr.
XML 5yr.
JSON 5yr.
SQLite 5yr.
AppKit 5yr.
UIKit 5yr.
REST 5yr.
RPC (Remote Procedure Call) 5yr.
C#
Delphi
Java
JavaScript
Python
VBA
BLE
Crashlytics
KVC
KVO
Chromium
HTML
WebKit
VBA
Google Analytics
Firebase
Microsoft SQL Server
MySQL
Oracle Database
PostgreSQL
SQLCipher
AWS S3
Google Cloud Pub/Sub
AFNetworking
CocoaPods
Cocoa Touch
Core Animation
Core Bluetooth
Core Data
Core Graphics
Core Location
Core Media
Core Text
Flurry
NWProtocolWebSocket
Packet Tunnel Provider
StoreKit
SwiftGen
SwiftLint
Viper
Agile
Design patterns
FDD
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
AWS big data services 5yr.
Microsoft Azure 3yr.
Python
Kafka
ETL
AWS ML (Amazon Machine learning services)
Keras
Machine Learning
OpenCV
TensorFlow
Theano
C#
C++
Scala
Big Data Fundamentals via PySpark
Deep Learning in Python
Keras
Linear Classifiers in Python
Pandas
PySpark
TensorFlow
Theano
.NET
.NET Core
.NET Framework
Apache Airflow
Apache Hive
Apache Oozie 4
Apache Spark
Apache Spark 2
Data Analysis
Apache Hadoop
Apache Hive
Apache Spark
Apache Spark 2
AWS Database
dbt
HDP
Microsoft SQL Server
pgSQL
PostgreSQL
Snowflake
SQL
AWS
GCP
AWS Database
AWS ML (Amazon Machine learning services)
AWS Quicksight
AWS Storage
GCP AI
GCP Big Data services
Apache Kafka 2
Apache Oozie 4
Kubernetes
OpenZeppelin
Qt Framework
YARN 3
SPLL
Superset
...

- Data Engineer with a Ph.D. degree in Measurement methods, Master of industrial automation - 16+ years experience with data-driven projects - Strong background in statistics, machine learning, AI, and predictive modeling of big data sets. - AWS Certified Data Analytics. AWS Certified Cloud Practitioner. Microsoft Azure services. - Experience in ETL operations and data curation - PostgreSQL, SQL, Microsoft SQL, MySQL, Snowflake - Big Data Fundamentals via PySpark, Google Cloud, AWS. - Python, Scala, C#, C++ - Skills and knowledge to design and build analytics reports, from data preparation to visualization in BI systems.

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Seniority Expert (10+ years)
Location Ukraine

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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
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Trusted by Businesses
Accenture
SpiralScout
Valtech
Unisoft
Diceus
Ciklum
Infopulse
Adidas
Proxet
Accenture
SpiralScout
Valtech
Unisoft
Diceus
Ciklum
Infopulse
Adidas
Proxet
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Types of Programming Languages:

  1. Low-Level Languages:
    • Machine Language: Directly executed by the computer’s CPU; written in binary (0s and 1s).
    • Assembly Language: Uses symbolic representations of machine instructions, requiring an assembler to convert to machine code.
  2. High-Level Languages:
    • Easier for humans to read and write; translated to machine code by compilers or interpreters.
    • Examples: Python, Java, C++, JavaScript, Ruby.
  3. Scripting Languages:
    • Designed for automating tasks within other software.
    • Examples: Python, JavaScript, Perl.
  4. Markup and Query Languages:
    • Focused on structuring and managing data rather than performing computations.
    • Examples: HTML, XML, SQL.
  5. Domain-Specific Languages (DSLs):
    • Tailored for specific applications or domains.
    • Examples: MATLAB (for mathematical computations), R (for data analysis).
  6. Object-Oriented Languages:
    • Focus on objects (data structures containing data and methods).
    • Examples: Java, C++, Python.
  7. Functional Languages:
    • Emphasize mathematical functions and immutability.
    • Examples: Haskell, Scala.
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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

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