Hire Freelance & Contract Back-end Developers

Vetted freelancers on the network

150,000+

Countries with compliant freelancer payments

165+

From signed brief to signed contract

<24 hrs

Work with top, vetted freelance back-end developers

Browse freelance back-end developers by language, stack, sector, availability and day rate.

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Why hire a freelance back-end developer?

The back end is what makes an application work reliably at scale. A freelance back-end developer brings the experience to design sound data models and APIs, and to build services that are secure, fast and maintainable.

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Freelancers also give you flexibility. Add a back-end developer for a new service, an integration, a migration or a performance problem, or to cover a gap in your team, then scale back when it's stable. They bring patterns from systems of many sizes.

One directory for every back-end developer

Keep every back-end developer you work with, whether you found them on YunoJuno or brought them with you, in one searchable directory.

Compliant and vetted

Every engagement is assessed for worker status, backed by misclassification indemnification.

Keep up with payments

Pay freelancers and contractors in 165+ countries from one supplier, with tax deducted at source where required.

How does hiring a freelance back-end developer work on YunoJuno?

Create your brief

Describe the project, skills, timeline and budget. Publish it and let relevant back-end developers respond, or search the network directly.

Browse and book back-end developers

Review vetted profiles with availability and day rates, message freelancers directly, and agree scope, rate and whether the work is remote, on-site or hybrid.

Contract, work and pay in one place

Contracts, worker classification, timesheets and payments all run through the platform, so every engagement is compliant wherever your freelancer is based.

What does a freelance back-end developer do?

A freelance back-end developer builds the server-side of applications, on a project or contract basis. They design and build APIs and services, model and query data, handle authentication and business logic, integrate third-party systems, and keep systems secure, fast and reliable. Typical responsibilities include:

Designing and building APIs and server-side services.

Designing database schemas and writing efficient queries.

Implementing authentication, authorization and security controls.

Integrating payment, messaging and other third-party systems.

Handling background jobs, queues and caching.

Writing tests and documenting APIs.

Monitoring and improving performance and reliability.

Working with front-end developers, DevOps and product teams.

How much does it cost to hire a freelance back-end developer?

Day rates for freelance back-end developers vary with seniority, language and stack, system scale, sector experience, and location. Each freelancer's day rate is shown on their YunoJuno profile, so you can compare options against your budget before you get in touch.

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Every year, YunoJuno analyzes data from the projects booked through the platform and publishes it in the Contractor Rates Report. Download the latest rates report to benchmark day rates and project trends.

Manage your freelance back-end developers beyond the hire

Finding the right freelance back-end developer is only the first step. YunoJuno gives your team the tools to onboard, contract and pay every back-end developer compliantly, with IP assignment covering the code they deliver, and milestone approvals for each project, whether you hire one freelancer or run a program across your company.

Onboarding

Bring new or existing developers onto the platform quickly.

Worker classification

Every engagement is assessed for worker status.

Contracts, including IP assignement

Create, send and store contracts.

Timesheets & approvals

Approve hours or milestones through a simple workflow.

Payments

Pay developers from one supplier, tax deducted at source where required.

Reporting & spend visibility

See who you're engaging, where, and at what cost across engineering.

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Enterprise teams already seeing results

77%

reduction in workforce costs

Global CPG · enterprise contingent workforce program across multiple regions

"YunoJuno is a seamless experience and takes a lot of the stress away. Itreally helps from an agility and productivity perspective, quickly answering the business needs and helping to create a much more diverse and output-focused team. The quick payment of freelancers is a game changer — we have managed to reduce time to hire from a week to a couple of hours."

75%

reduction in time to hire + full spend visibility

Global imaging and technology · creative and technical contractor program

"There were a few critical results for us. The obvious one was keeping everything housed in one place — payments and keeping track of monthly spending. Perhaps more importantly, we were able to build up a bulletproof directory of talent. This has been super helpful for us as a team and as a business, across our regions." 

Frequently asked questions

Manage your global contractor workforce with confidence

From sourcing to payments, manage your contingent workforce with automation, compliance, and real-time visibility built in.