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Hire backend engineers to secure applications, improve speed, scale systems, optimize databases, and create dependable APIs and integrations.
We review your requirement, identify relevant profiles, and coordinate the next discussion or technical interview.
Recommended:
Dedicated Backend Developer
Develop APIs, business logic, database integrations, and server-side features with dedicated backend engineering expertise.
250+ Global Clients
Trusted worldwide
600+
Engineering Professionals
14+ Years
of Enterprise Delivery Experience
SOC 2 Type II, ISO 9001, ISO 27001
Compliant
Top Rated
on Clutch, G2, Trustpilot
Accountable Talent Partner
Gain full control over your backend engineering with Capital Numbers. We integrate into your exact architecture, repositories, standards, and workflows.
Our backend engineers receive technical guidance and escalation support. Access to frontend, QA, DevOps, cloud, and data expertise is organized around the responsibilities agreed for your engagement.
Plan priorities, assess contributions, and retain control of backend decisions while developers work within your team.
When to Hire
Add backend capacity when internal teams need support for API features and key system releases.
Refactor legacy code, upgrade backend frameworks, improve test coverage, and plan staged migrations around your application needs.
Address latency, database efficiency, caching strategies, server bottlenecks, and runtime performance issues.
Develop scalable SaaS platforms, distributed systems, and cloud-ready backend services with experienced backend engineers.
Improve service boundaries, database design, API authentication, authorization, integration patterns, and solid test coverage.
Business Outcomes
Add backend capacity for APIs, business logic, and integrations so your in-house team can advance agreed releases.
Provide backend expertise for complex architecture, database, and performance requirements.
Support framework upgrades and legacy refactoring with architecture reviews, testing, and migration planning aligned to the system.
Adjust backend team size around release priorities, subject to developer availability and agreed change terms.
Keep system knowledge within your organization through shared repositories, clear documentation, code reviews, and structured handovers.
Roles and Responsibilities
From backend implementation to architecture, scalability, and modernization expertise.
Builds REST and GraphQL APIs, business logic, database workflows, tests, and app integrations.
Leads backend design, reviews complex API and database changes, mentors developers, and resolves scalability bottlenecks.
Builds cloud-native backend services, microservices, and containerized systems, with deployment responsibilities agreed with DevOps.
Leads legacy assessments, framework upgrades, staged refactoring, migration validation, and agreed backend handovers.
Develops data models, optimizes queries and transactions, and improves relational/NoSQL persistence and caching for backend services.
Improves backend reliability using API security, tracing, fault handling, performance analysis, and load testing.
Provides technical direction, reviews backend architecture and code, manages risks, and coordinates team delivery.
AI-Assisted Engineering
AI-Assisted Backend Engineering with Experienced Engineer Oversight
Human accountability is
non-negotiable.
Architecture, security decisions, business rules, system design, integrations, quality standards, and production changes remain under experienced engineering ownership.
Development
Backend coding and optimization support
We use AI for backend debugging, refactoring, API tuning, and research, while engineers retain production control.
Quality
Testing and engineering review
We support test-case creation, code review, performance analysis, documentation, and evaluation of repetitive backend logic.
Governance
Approved use only
AI-assisted work follows approved tools, human review, and client data policies; code and sensitive data use remain subject to your consent.
Developer Selection and Onboarding
01
Share your backend stack, core skills, seniority, team mix, allocation, working-hour overlap, and release priorities to guide developer matching and selection.
02
We shortlist assessed backend developers against frameworks, API goals, database experience, cloud environments, and ownership requirements.
03
You review shortlisted backend profiles, relevant project experience, technical assessment details, and role responsibilities to decide which developers to interview.
04
You interview shortlisted developers on backend design, debugging, security, communication, and team fit, then appoint the developer for your team.
05
After selection and agreement, we onboard developers into your repositories, tools, permissions, working hours, and sprint routines.
01
Share your backend stack, core skills, seniority, team mix, allocation, working-hour overlap, and release priorities to guide developer matching and selection.
Matching and onboarding remain subject to role availability and the agreed engagement model.
Backend Technology Expertise
JavaScript
TypeScript
Python
Java
PHP
Go
Node.js
Spring Boot
.Net
Django
FastAPI
Laravel
Express.js
PostgreSQL
MySQL
MongoDB
RedisAmazon DynamoDB
REST APIs
GraphQL
gRPCAPI Integration
MicroservicesServer-Side Architecture
AWS
Microsoft Azure
Google Cloud
Docker
Kubernetes
Terraform
Postman
Jest
PHPUnitAutomated TestingGovernance, Security, and Continuity
We agree on backend responsibilities, reviews, security access, escalation contacts, and handover arrangements around your team structure, delivery model, and project requirements.
CollaborationEngineers integrate directly into your tools, meetings, repositories, engineering standards, and delivery workflows.
Technical OversightTechnical guidance, design analysis, and escalation contacts follow your team and engagement model.
Delivery VisibilityProgress is tracked through sprint planning, task boards, reviews, demonstrations, and transparent reporting.
Code and Data QualityUnit and integration testing, API security checks, code reviews, documentation, and version control follow set rules.
Security and IPNDAs, IP ownership, access permissions, data handling, and access review follow our agreed engagement scope.
Scaling and TransitionContinuity covers issue review, documentation, handover, and replacement support, subject to role availability.
Global Experience
We bring backend engineering talent with hands-on collaboration, structured delivery support, and enterprise accountability.
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Defined accountability and agreed escalation paths.
Adjacent frontend, cloud, DevOps, QA, AI, and data engineering expertise.
SOC 2 Type II, ISO 27001, and ISO 9001 compliance.
Share your backend stack, responsibilities, seniority, team size, and working-hour needs. We shortlist assessed in-house developers for your profile review. You can then interview shortlisted candidates and select who joins your team. Before onboarding, we agree on the engagement scope, collaboration model, access requirements, and developer responsibilities with your team.
Yes. You can directly interview shortlisted backend developers to evaluate their programming expertise, API development skills, system design approach, database knowledge, cloud experience, communication, and ability to work within your engineering environment.
You can hire backend API developers, senior backend engineers, architects, database specialists, performance specialists, technical leads, or dedicated backend teams.
We assess backend developers through practical coding, API design, database tasks, debugging, and architecture discussions. Reviews cover unit and integration testing, authentication, authorization, communication, and ownership appropriate to the role requirements.
When you hire dedicated backend developers, access to code, systems, and data follows approved permissions. Confidentiality, IP ownership, secure coding, and data handling are defined before onboarding. Handover and access removal are coordinated through the agreed offboarding process.
Yes. Start with one backend developer for features, APIs, integrations, or modernization, and expand into a dedicated backend development team. Team changes, work hours, and handover arrangements depend on availability and agreed terms.
We review concerns with your team, agree on action steps, and coordinate handover or replacement support where needed, subject to availability and agreed terms.
We agree on the required working-hour overlap, meetings, and availability before starting. Remote backend developers follow the collaboration schedule agreed for your team.
Share your backend stack, required experience, seniority, and team structure. We will review your requirements, identify relevant backend developers for hire, and coordinate profile review or interviews before agreeing on your next steps.
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