Back-end

Showing 1-16 of 302 results

Share

Using an LLM API As an Intelligent Virtual Assistant for Python Development

With proper instruction, LLMs can be highly effective coding assistants. This step-by-step guide shows you how to generate a call to an external API using Python and the OpenAI API.

16-minute readContinue Reading
Tarek Mohamed Mehrez

Tarek Mohamed Mehrez

Tarek is a software and data engineer specializing in machine learning, software architecture, DevOps, and back-end development. He has served as CTO of Thndr, a company backed by Y Combinator, and has published several research papers on machine learning. Tarek has a master’s degree in computational linguistics from the University of Stuttgart.

Advancing AI Image Labeling and Semantic Metadata Collection

Image labeling can be a tedious, time-consuming task, compounded by the sheer volume of data needed to train deep neural networks. This article breaks down large data set processing and explains how a new SaaS product can help automate image labeling.

13-minute readContinue Reading
Neven Pičuljan

Neven Pičuljan

Neven is an artificial intelligence engineer with extensive experience in machine learning, computer vision, algorithms, and a range of AI-related technologies. Prior to founding an AI R&D consulting company, Neven helped create and train cutting-edge computer vision models used by healthcare, e-commerce, real estate, and financial services companies across the globe.

WordPress-powered Angular: JWT Authentication Using GraphQL

Setting up authentication in an app with a disparate front end and back end is tricky. This tutorial proposes an innovative solution using JWT and GraphQL.

15-minute readContinue Reading
Sajjad Hossain Sagor

Sajjad Hossain Sagor

Sajjad is a WordPress developer who specializes in developing themes, plugins, and WooCommerce add-ons. He has led high-budget projects for companies around the world and set up the back end for a WordPress website with more than 200,000 active users and millions of YouTube subscribers. He is also a core contributor to the WordPress community.

In this ask-me-anything-style Q&A, leading Toptal AI developer Joao Diogo de Oliveira fields questions from fellow engineers about resources for pivoting to ML, approaches to large language models, and the most critical future applications of AI.

6-minute readContinue Reading
Joao Diogo de Oliveira

Joao Diogo de Oliveira

Joao is an AI developer with more than 10 years of experience at Fortune 100 companies like Procter & Gamble and startups in the healthcare, energy, and finance industries. Joao holds a master’s degree in computer science from the University of Porto and has multiple certifications in ML and deep learning.

Ask an NLP Engineer: From GPT Models to the Ethics of AI

Want to expand your skills amid the current surge of revolutionary language models like GPT-4? In this ask-me-anything-style tutorial, Toptal data scientist and AI engineer Daniel Pérez Rubio fields questions from fellow programmers on a wide range of machine learning, natural language processing, and artificial intelligence topics.

10-minute readContinue Reading
Daniel Pérez Rubio

Daniel Pérez Rubio

Daniel is a data scientist, developer, and former CTO who has specialized in NLP for more than six years, most recently focusing on large language models (LLMs). His experience includes being a senior data scientist at BASF and Daimler.

World-class articles, delivered weekly.

By entering your email, you are agreeing to our privacy policy.

How to Use JWT and Node.js for Better App Security

To protect client data, your system must identify and block uninvited visitors. Create a REST API using Node.js, TypeScript, and Express, enhanced with JWT support.

26-minute readContinue Reading
Gonzalo Hirsch

Gonzalo Hirsch

Gonzalo is a full-stack developer and expert in secure implementations focused on JavaScript and Node.js. He specializes in solutions for startup companies in finance and education, and has a master’s degree in software engineering from the Instituto Tecnológico de Buenos Aires.

Security in Django Applications: A Pydantic Tutorial, Part 4

Django’s built-in security checker identifies vulnerabilities with ease. Here’s how you can enforce HTTPS redirects to tighten security on your web applications.

8-minute readContinue Reading
Arjaan Buijk

Arjaan Buijk

Arjaan is a software engineer and data scientist who creates mission-critical, Python-based cloud solutions focused on Rasa for international banks and insurance companies. He also architects and teaches large-scale Kubernetes solutions. Arjaan founded a company for the resale of manufacturing simulation software that he co-developed.

How C++ Competitive Programming Can Help Hiring Managers and Developers Alike

Programmers gain valuable real-world skills from algorithm competitions that can boost their job prospects—and contest ratings make it easier for hiring managers to find top talent. Explore competitive C++ with a programmer whose scores got them recruited by Google.

9-minute readContinue Reading
Anitet Wheeler-Rose

Anitet Wheeler-Rose

Anitet is a full-stack engineer and CTO with expertise in C++, JavaScript, and DevOps. A former site reliability and software engineer at Google, Anitet was recruited after achieving an 85th to 90th percentile ranking at algorithm programming competition events.

An Expert Workaround for Executing Complex Entity Framework Core Stored Procedures

Microsoft’s Entity Framework Core is a popular object-relational mapper, but it doesn’t support the return of complex type results from stored procedures. A clever bit of code gets us around this limitation, returning non-database entities with ease.

5-minute readContinue Reading
Pankaj Kansodariya

Pankaj Kansodariya

Pankaj is a back-end developer and Microsoft Certified Professional with more than 18 years of experience within the Microsoft ecosystem, including C#, VB.NET, SQL Server, and cloud computing with Microsoft Azure. He has worked as a .NET developer at companies including Granicus, Gartner, and Jacobs.

Streamline Event-driven Microservices With Kafka and Python

With the rise of big data, cloud, and streaming platforms, monolithic apps just won’t do. Here’s a blueprint for an adaptable and scalable event-driven microservices project using Kafka and Python.

9-minute readContinue Reading
Dmitry Shurov

Dmitry Shurov

Dmitry is a software developer and Python expert. He has eight years of experience at companies such as Kaspersky and FABLEfx, and has developed multiple microservices systems across the globe using Kafka and Python.

Big Data Architecture for the Masses: A ksqlDB and Kubernetes Tutorial

Today’s cloud building blocks empower any size team—even a lone engineer—to build big data solutions. Learn how to use open-source tools to create scalable architecture for your next project.

14-minute readContinue Reading
Dmitrii Bolotov

Dmitrii Bolotov

Dmitrii is a solution architect and developer with more than 11 years of experience and expertise in SQL, NoSQL, and Kubernetes. He built big data architecture at Videoland, founded and acted as CTO for Deetask, a Vietnamese marketplace app similar to Thumbtack, and holds a master’s degree in computer science from Izhevsk State Technical University.

Kotlin vs. Java: All-purpose Uses and Android Apps

Kotlin and Java are two powerful general-purpose languages popular for Android and beyond. We’ll discuss their top features and differences, then focus on how to smoothly transition between the two.

13-minute readContinue Reading
Gabe Giro

Gabe Giro

Gabriel is a senior Android engineer with eight years of experience building apps from scratch in Kotlin and Java, and facilitating conversions between the two languages. Gabriel has worked on multimillion-dollar apps and has industry experience at companies like HBO and Yahoo.

How to Deploy Django on Heroku: A Pydantic Tutorial, Part 3

Heroku makes deployment—and redeployment—incredibly simple. Explore Heroku’s Django hosting in this tutorial, and see for yourself.

9-minute readContinue Reading
Arjaan Buijk

Arjaan Buijk

Arjaan is a senior engineer and data scientist who creates mission-critical, Python-based cloud solutions focused on Rasa for international banks and insurance companies. He architects and teaches large-scale Kubernetes solutions.

Investing in Unit Testing: Benefits and Approaches

Stakeholders demand quick fixes for a buggy app release. Such patching is costly, and does not always offer a complete solution. Break the cycle with unit testing, a worthwhile investment in project quality.

10-minute readContinue Reading
Dacian Florea

Dacian Florea

Dacian is a senior full-stack mobile applications developer and a contributor to the Flutter framework. He specializes in rigorous testing solutions that help companies around the world design and deliver quality software applications.

Strategic Listening: A Guide to Python Social Media Analysis

Listening is everything—especially when it comes to effective marketing and product design. Gain key market insights from social media data using sentiment analysis and topic modeling in Python.

9-minute readContinue Reading
Federico Albanese

Federico Albanese

Federico is an expert Python developer and data scientist who has worked at Facebook, implementing deep learning models. He is a university lecturer, and his PhD research focuses on natural language processing and machine learning.

Identifying the Unknown With Clustering Metrics

Clustering in machine learning has a variety of applications, but how do you know which algorithm is best suited to your data? Here’s how to amplify your data insights with comparison metrics, including the F-measure.

12-minute readContinue Reading
Surbhi Gupta

Surbhi Gupta

Surbhi is a data scientist and developer with expertise in machine learning and robotics. A former senior data science engineer at Utopia Global, her experience ranges across ML fields including NLP, computer vision, and OCR. She has a master’s degree in mechatronics, and has published research in the field of robotics and optimization.

Toptal Engineering Expert

Gabriel Courtemanche

Gabriel is a highly efficient and reliable professional who possesses a broad skill set for web application development. He's been working on a range of products and clients—from working on scalability problems in production engineering teams at Shopify and Autodesk to launching new applications for startups. Most of his work consists of leading technical teams, by creating an easy development environment, fixing technical debts, providing best practices code examples, and mentoring devs.
Read more

Previously At

Shopify

World-class articles, delivered weekly.

By entering your email, you are agreeing to our privacy policy.

Join the Toptal® community.