Hire Backend Developers

Backend
Upstaff connects you with backend developers skilled in building secure, scalable, and high-performance systems. Expertise includes:
  • API Development: RESTful and GraphQL for seamless communication.
  • Database Management: SQL and NoSQL expertise (PostgreSQL, MongoDB).
  • Scalability: Systems designed to handle growth and traffic.
  • Cloud Integration: AWS, Google Cloud, and Azure deployment.
  • Security: Authentication, encryption, and vulnerability protection.
  • Performance: Optimized server response and application speed.
Explore Upstaff’s Developer Hiring Guide
Backend
2K+ Vetted Developers
KYD Know Your Developer
48 hours average start

Meet Upstaff’s Vetted Back-End Web Developers

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Node.js 5yr.
TypeScript 5yr.
PostgreSQL 5yr.
Python 4yr.
...
  • Software engineer with 20+ years of experience specializing in Node.js (TypeScript) and Python, architecting microservices and event-driven systems using Kafka/Redpanda, ClickHouse, and PostgreSQL.
  • Official Oracle Contributor, Active community events/meetups organizer, and open source projects contributor
  • Proficient in designing scalable APIs with gRPC, tRPC, and Protobuf, implementing CI/CD pipelines with GitLab CI/GitHub Actions, Docker, and Terraform.
  • Holds a Bachelor’s degree in Automation and Computer Technologies. Strong background in system design, cloud-native architectures, and observability practices, including structured logging, metrics, and tracing.
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Seniority Senior
Location Warsaw, Poland
Node.js
TypeScript
AWS
React
...
  • Full-stack software engineer with an MS degree in Computer Science;
  • Designed and operated event-driven, cloud-native architecture.
  • Back-End: Node.js, NestJS, Express (8 years); SQL/NoSQL DBs, performance optimization, data processing (Python), ML pipelines, CI/CD DevOps practices. Wide experience with Databases (MongoDB, PostgreSQL, MySQL, DynamoDB, etc.);
  • Front-End: React (including forms, dashboards, admin tools), 6 years.
  • Unit and E2E tests (Karma, Jest, Cypress, Playwright)
  • Expert in serverless AWS architecture: Lambda functions, asynchronous message queues SQS, RabbitMQ; Ownership from requirements to production in serverless/event-driven B2B systems.
  • Built demand forecasting with TimeGPT, TimesFM, TiREX; integrated Python ML pipelines into NestJS via RabbitMQ; implemented an AI chatbot for inventory insights and recommendations (using LangChain principles)
  • Developed an AI-powered inventory & demand planning platform for e-commerce merchants; built a multi-tenant CRM for service companies and a real estate platform with direct customer requirements integration.
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Seniority Senior
Location Poltava, Ukraine
JavaScript 6yr.
Node.js 5yr.
PostgreSQL 3yr.
Vue.js 2yr.
React 2yr.
...
  • 6+ Years of Software Engineering Experience (full-stack) with scalable architectures, clean APIs, and responsive interfaces. Communication skills and a product mindset. Ownership mentality - comfortable taking a feature from idea to production. Ownership mentality - comfortable taking a feature from idea to production.
  • Experience working with AI or LLM-based applications, B2B or enterprise customers, including for fintech and crypto applications using JavaScript, Node, NestJS, React, and PostgreSQL.
  • Optimized database interactions and workflows in corporate platforms with AWS Neptune, DynamoDB, Elasticsearch, and Redis, and redesigned test environments.
  • Built asynchronous event handling and caching mechanisms with NATS, Redis, and BullMQ for product management and payment systems, improving reliability via message-driven communication. Integrations with multiple payment providers and API gateways, resulting in scalable architectures handling diverse data formats.
  • Integrated monitoring tools like Prometheus and Grafana in deployment pipelines using GitLab CI, enabling metrics collection for endpoints and integrations in real-time services.

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Seniority Senior
Location Bialystok, Poland
Node.js 10yr.
...
• 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
Location Belarus
Haskell 3yr.
Scala 2yr.
Plutus 2yr.
Akka
Cardano
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- 3 years of experience in Plutus / Cardano smart contracts developer role (Plutus Core, Plutarch) - Cardano ecosystem knowledge - Haskell, Scala, Cabal/Stack, GADTs/Type families, Generics, Servant, lenses, mtl, free monads - senior-level professional - Functional programming with FRP, Redux, Event sourcing, Category theory - OOP, OOD, UML, Design patterns, SOLID, DI. TDD, BDD, Unit, functional, and integration testing - 14 years of experience in software engineering
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Seniority Senior
Location Ukraine
Objective-C 10yr.
iOS 10yr.
C++ 10yr.
Swift 5yr.
...
- 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
Location Odesa, Ukraine
.NET
Azure
C++
React
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- Full-stack engineer with 7 years of .NET, MS Azure, and JavaScript. - Proven achievements include initiating and building a microservice architecture from scratch for data science computations and reducing latency by optimizing CPU-bound calculations.
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Seniority Senior
Location Tallinn, Estonia
Python 5yr.
Django 3yr.
Mobile development
Flask
API
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  • Python Developer with 6+ years of experience in backend development and automation: Django (4 years), Flask, and Fast API for web application development;
  • Built and supported Telegram bots and automation tools for business operations (dApp Marketplaces, Crypto ATMs, Payments and Casino games)
  • Maintaining and supporting production systems using FastAPI and SQLAlchemy, API integrations including financial services and crypto platforms;
  • Docker containerization: Docker-compose, Docker via Render (serverless). Deployment and Linux server management (Ubuntu);
  • Familiar with data reporting and basic analytics through internal monitoring tools; - Open to part-time and distributed team environments with a focus on ongoing system support.
  • Reached the Top 10 freelance Python engineers on the local market at the age of 17 (showcasing early talent and initiative).
  • Worked on projects with a multi-million user base, contributing to scalable architecture and high-load system stability.
  • Successfully launched an educational platform in the USA, now actively used by students, tutors, and academic institutions.
  • Represented the dev team at the international Wefi Beyond Banking Summit, delivering a product presentation to a global fintech audience.
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Seniority Middle
Location Ternopil, Ukraine

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Back-End Web Developers tech radar: skill coverage across frameworks, integrations, databases – Adopt Trial Assess Hold levels by Upstaff vetted talent

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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Photo: Yaroslav Kuntsevych(Upstaff CEO)
Yaroslav Kuntsevych
co-CEO

Hire Back-End Web Developer: Expert Help for You

Table of Contents
Looking to improve your web development projects? Hiring a skilled back-end web developer is key. They make sure your website works well, is safe, and runs smoothly. Their work helps all parts of your website work together, making it better for users. Web development services from experts do more than just code. They know a lot about server-side programming, databases, and making things run fast. This mix of skills and knowledge helps your project meet and go beyond what’s expected. Don’t settle for less—hire back-end web developers to make your website the best it can be.

Benefits of Hiring a Professional Back-End Web Developer

Getting a professional back-end web developer is a big plus for businesses wanting a strong online presence. They have lots of knowledge and skills. This means your websites will work well and fast.
  • Access to Experienced Developers
    When you hire an experienced developer, you get years of their expertise. This leads to strong, reliable systems that work great. They can also spot and fix problems before they happen, keeping your site running smoothly.
  • Enhanced Security Measures
    Web development needs to focus on security, especially for businesses with sensitive info. Professional services use top security measures to keep data safe. With a skilled developer, your site will be well-protected against threats.
  • Custom Web Development Solutions
    Hiring a professional developer means you get solutions made just for you. They can add special features or make your site work better. This helps your business grow and stay ahead.

Skills to Look for in a Back-End Web Developer

When hiring a back-end web developer, it’s key to check their skills well. Here are the main skills needed for a good developer:
  1. Proficiency in Programming Languages
    Knowing many programming languages like Java, Python, Ruby, and PHP is crucial. This skill helps developers make strong back-end systems. These systems handle server tasks well, making things run smoothly for users.
  2. Database Management Expertise
    Being good at managing databases is very important. A developer should know how to handle data, store it, and keep it safe. Knowing SQL and NoSQL databases helps keep data flowing well, making apps stable and grow.
  3. Problem-Solving Ability
    Being able to solve problems is key in development. Good developers can find and fix issues quickly. They also come up with new ways to solve problems, making development better.

Hire Back-End Web Developer: Expert Help for You

Choosing to hire a back-end web developer is a big step for your project. Finding the right person is crucial. You can pick from freelancers, development firms, or in-house experts. Each choice has its own benefits, depending on your budget and needs.
  • Freelancers are great for their flexibility and skill variety. They offer affordable coding services for short-term projects. They’re perfect for businesses looking to save money without losing quality.
  • Development firms are better for bigger projects. They have a team of skilled developers. These firms handle everything from planning to deployment, bringing diverse skills and resources to your project.
  • Hiring someone in-house can add long-term value. It lets you integrate development smoothly with your current work. This leads to better teamwork and efficiency.
In short, hiring a back-end web developer is investing in your digital presence’s core. By considering your project’s needs and budget, you can pick the best option. This way, you get the expertise and affordable services the market offers.

How Professional Coding Services Can Transform Your Project

Getting professional coding services can really help your web projects. They make things more efficient and add cool new features. They also make complex tasks easier. When you hire back-end web developers, you get a lot of expertise. They use the best practices and newest tech. This makes your project strong and ready to grow. Working with coding pros lets your team focus on big ideas and creative stuff. Here’s how they really help:
  • Increased Efficiency: Skilled developers use top tools to make code better. This cuts down on time and mistakes.
  • Innovation: With their experience, coders add new, exciting features. This makes your project unique.
  • Complex Task Management: Experts handle tough back-end tasks. This makes your project run smoothly and reliably.
Choosing professional coding services is more than just for now. It’s for the future too. It helps your project grow and stay adaptable. Here’s a comparison to show the difference:
AspectWithout Professional ServicesWith Professional Services
Development SpeedSlower, with potential delaysFaster, with streamlined processes
Feature InnovationLimited, basic functionalitiesAdvanced, unique features
ScalabilityChallenging, prone to issuesEffortless, futuristic planning
Code QualityInconsistent, higher bug ratesConsistent, lower bug rates
Choosing to hire back-end web developers and use professional coding services can change your project. It brings big wins in speed, innovation, and success over time.

Top Web Development Services for Your Business Needs

In today’s digital world, picking the right web development services is key to your business’s success. They handle everything from complex back-end systems to smooth user interfaces. We’ll look at two important areas: finding cost-effective solutions and making sure your site can grow with your business.
  • Cost-Effective Solutions
  • Customization and Scalability
Service TypeBenefitsExamples
Custom DevelopmentHigh personalization, tailored featuresLaravel, Django, Ruby on Rails
Modular FrameworksCost-efficient, flexible componentsReact, Angular, Vue.js
Scalable SolutionsHandles growth, adaptable to changeCloud services, Kubernetes, AWS Lambda
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Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

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Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Network

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

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Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

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Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

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No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

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One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

How to hire with Upstaff

Seniority
Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Seniority
Meet Carefully Matched Talents
Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.
Seniority
Validate Your Choice
Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Trusted by Businesses

Upstaff operates as a partner, not just an agency. Express that they aim for long-term cooperation and are dedicated to fulfilling client requirements, whether it’s a short one-month project or a more extended collaboration.
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Case Studies

We closely collaborate with recruitment & talent acquisition teams on urgent or hard-to-fill positions. Discover how startups and top-tier companies benefit.
Europe’s Data Vision: Dataspaces for Zero-Trust AI Infrastructure
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Upstaff builds AI-Driven Data Platform for Environmental Organizations
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Bringing 2M+ Wallet Ecosystem to the Next Level Decentralized Operating System.
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