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Hire Dedicated API Security Engineer

Hire Dedicated API Security Engineers | API Protection, Threat Prevention, Secure API Architecture

Strengthen your API security posture with dedicated specialists who identify vulnerabilities, implement security controls, and protect APIs across development and production environments. Pre-vetted engineers embed in your team on flexible terms, so every endpoint is defended as your API surface grows.

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Why Teams Choose AppStudio to Hire Dedicated API Security Engineers

Every Endpoint Authenticated and Authorized

Broken authentication and object-level authorization cause most API breaches. Our engineers enforce strong auth, scoped tokens, and per-object checks, so a valid login cannot reach data it was never meant to see.

The OWASP API Top 10, Designed Out

From broken object-level authorization and mass assignment to excessive data exposure, we design the common API risks out at the contract and code level, then prove it with targeted testing rather than a generic scan.

Gateways, Schemas, and Rate Limits Enforced

Traffic is validated against the API schema, throttled, and shielded at the gateway, so malformed calls, scraping, and abuse are stopped at the edge instead of reaching your services.

Security That Keeps Pace With Your APIs

Contract tests, auth checks, and dependency scanning run in your pipeline on every change, so a fast-moving API surface stays covered instead of drifting out of security review.

Services

API Security Hiring Options We Offer

Hire API Security Engineers

Security across the whole API lifecycle.
Vulnerabilities found, triaged, and fixed with your team.
Engineers who secure the gateway and the code.

Hire Dedicated API Security Engineers

A specialist embedded long-term in your team.
Deep knowledge of your APIs and threat model.
Stable coverage as endpoints and consumers grow.

Hire Senior & Lead API Security Engineers

Set API security standards and gateway policy.
Own auth architecture and high-risk reviews.
Mentor developers to ship secure APIs by default.

Hire an API Security Team

A pod covering auth, gateway, and DevSecOps.
One accountable team for your API security.
Scales with a growing API and partner ecosystem.

Explore IT Staff Augmentation Services →

Hire API Penetration Testers

Hands-on testing for BOLA, auth, and injection flaws.
Business-logic abuse cases scanners miss.
Findings that come with fixes, not just severities.

Hire Authentication & OAuth Engineers

OAuth 2.0, OIDC, and token security done right.
Scoped, short-lived tokens and safe refresh flows.
Session and key management hardened.

Hire API Gateway Security Engineers

Kong, Apigee, and cloud gateways hardened.
Schema validation, throttling, and WAF at the edge.
Abuse and scraping stopped before your services.

Hire GraphQL Security Engineers

Query depth, cost limits, and introspection controls.
Field-level authorization done properly.
Protection against abusive and nested queries.

Hire API Threat Modeling Experts

Threat models across every API and consumer.
Trust boundaries and data flows mapped early.
Security requirements fed into the backlog.

Hire DevSecOps Engineers for APIs

Contract and auth tests automated in CI/CD.
Dependency and secrets scanning on every change.
Guardrails that block insecure API changes.

Hire API Security for Remediation

Work down a backlog of API findings by real risk.
Root-cause fixes across gateway, code, and config.
Regression checks so issues stay closed.

One partner to hire dedicated API security engineers, embed them across your API estate, and keep every endpoint defended as it grows.

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Their engineer found broken object-level authorization we had shipped months earlier, fixed the auth layer across every endpoint, and wired contract tests into CI so it cannot happen again.

Head of Platform, Fintech API Company, Boston

Solving the API Security Hiring Challenges That Others Overlook

Business Priorities

Industry Gaps

A valid token trusted everywhere

A scanner run just before release

Malformed calls reaching services

A findings list and goodbye

Long-lived keys in the codebase

A one-off API penetration test

A separate manual gate

Our Proven Advantage

Per-object authorization on every endpoint

OWASP API Top 10 handled in contract and code

Schema validation, throttling, and WAF at the edge

Hands-on fixes across gateway, code, and config

Short-lived tokens and vaulted secrets

Design, build, deploy, and run secured

Contract and auth tests on every change

Global Standards. Built-In Trust.

We operate with the highest levels of security, privacy, and quality, backed by globally recognized certifications. Our standards are built to meet the compliance and regulatory requirements of larger organizations across industries.

Book a Free API Security Consultation

Pick a time that works for you and walk through your APIs, gateways, and auth model with one of our hiring advisors. You will leave with a clear read on the roles you need and a practical next step, with no obligation.

Rated Among the Top API Security Hiring Partners

Teams choose AppStudio to hire dedicated API security engineers because we combine rigorous screening, hands-on remediation across gateways and code, and responsive account support, so API risk goes down from week one instead of sitting in a report.

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The API Security Tooling Our Engineers Work With

We match engineers to your API stack and its risks. Here are the gateways, auth systems, and testing tools our API security engineers use to protect REST and GraphQL APIs across their lifecycle.

Kong

Apigee

NGINX

AWS API Gateway

OAuth 2.0

JWT

Keycloak

Auth0

Postman

OWASP ZAP

Burp Suite

Swagger

OpenAPI

GraphQL

gRPC

JSON Schema

HashiCorp Vault

Cloudflare

Snyk

Trivy

Datadog

Elastic

Prometheus

Grafana

How We Help You Hire Dedicated API Security Engineers

Hiring for API security only works when the engineer genuinely understands API-layer attacks and your architecture, embeds in how you build and expose services, and is measured on risk reduced rather than tickets closed. At AppStudio, our API security hiring model is structured and refined across many placements.

We define the role and API context precisely, vet hard for real API-security depth, and onboard fast, so the engineer is hardening your endpoints rather than ramping for weeks.

By pairing API-security depth with account oversight, we help you raise your security posture without the delay and risk of a slow specialist search.

We document your APIs, gateways, auth model, consumers, and the risks that matter most, so every candidate is judged against your real API surface.

We assess authentication and authorization, gateway hardening, threat modeling, and hands-on API testing with practical exercises, not a certificate check, before anyone reaches your team.

You interview finalists on your terms. We coordinate scheduling, gather feedback, and refine the search until the fit is right.

We get the engineer access, context, and a first-sprint goal, a threat model or an auth review, so they contribute meaningfully from the start.

Ongoing check-ins, risk-reduction tracking, and replacement cover keep the engagement healthy as your API estate changes.

Proven by Results

API security engineers who reduce real risk, not just file findings.

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of clients extend or expand the API security engagement beyond the first hire

average reduction in exploitable API vulnerabilities within the first quarter

of hired engineers work under signed NDAs with least-privilege access

How We Deliver Value, in Our Clients’ Words

Aaron Feldman

Head of Platform, Fintech API Company, Boston, MA

“Their engineer found broken object-level authorization we had shipped months earlier, fixed the auth layer across every endpoint, and wired contract tests into CI so it cannot happen again.”

Meera Iyer

VP Engineering, Healthtech, Toronto, ON

“We expose dozens of partner APIs and had no consistent auth story. The AppStudio engineer standardised OAuth scopes and gateway policy so access is finally uniform and auditable.”

Charlotte Evans

CTO, SaaS Platform, London, UK

“Our GraphQL endpoint was a soft spot. They added depth and cost limits, locked down introspection, and implemented field-level authorization without slowing our product teams.”

Diego Fuentes

Director of APIs, E-commerce, Chicago, IL

“Scrapers were hammering our public APIs. They tuned rate limiting and schema validation at the gateway, and the abusive traffic dropped off without affecting real integrations.”

Hannah Berg

Head of Security, Insurtech, Berlin, DE

“A genuine API security specialist, not a generalist. They threat-modeled our API estate and gave our developers reusable patterns, so new endpoints ship secure by default.”

Rohan Nair

Engineering Lead, Logistics Platform, Singapore

“Token handling was our weak point, long-lived keys everywhere. They moved us to short-lived, scoped tokens with vaulted secrets and rotated the lot without downtime.”

Grace Sullivan

VP Product, Payments, Austin, TX

“The API penetration test paid for itself. They found business-logic abuse our scanners never flagged, and every finding came with a concrete fix our team could merge.”

Kenji Watanabe

Head of Engineering, Digital Health, Seattle, WA

“They built API security into our pipeline. Auth and contract tests now run on every change, so a risky endpoint is caught in review instead of in production.”

API Security Tuned to Your Sector's Risks

The APIs a bank exposes are nothing like the ones a hospital does. We match API security engineers who already understand the data, partners, and audits your sector's interfaces face.

Accounting & Financial Services

Strong auth for open-banking and payment APIs.
PCI DSS-aware API controls and logging.
Fraud-resistant tokens and scopes.

Healthcare & Life Sciences

Protected PHI across clinical APIs.
HIPAA-aligned access and audit trails.
Consent and scope enforced per request.

Retail & Consumer Commerce

Checkout and account APIs shielded from abuse.
Rate limiting for high-traffic storefronts.
Secure partner and marketplace integrations.

Government & Public Sector

Hardened APIs for citizen-facing services.
Standards-aligned auth and evidence.
Secure identity and data exchange.

Telecom & Connectivity

Security for high-throughput service APIs.
Abuse and rate-limit protection at scale.
Secrets and access hardened across services.

Education & eLearning

Student-data APIs with safe auth.
Secure content and assessment endpoints.
Privacy-aware scopes and access.

Travel, Hospitality & Aviation

Secure booking and payment APIs.
Partner and channel access controlled.
Resilience against credential abuse.

High-Tech, SaaS & Software Product Companies

Public and partner APIs secured by design.
Multi-tenant isolation and scoped tokens.
API security embedded in fast releases.

Media & Entertainment

Content and account APIs protected.
Abuse and scraping defenses at scale.
Secure streaming and delivery endpoints.

Legal Services & Law Firms

Confidentiality-first API access.
Strong authorization for sensitive data.
Audit-ready API practices.

Manufacturing & Industrial

Secure APIs across connected systems.
Segmented, authenticated integrations.
Hardened access across IT and OT.

Energy, Oil & Gas

Security for operational and grid APIs.
Strong access control and monitoring.
Resilient, well-audited endpoints.

API Security Hiring That Reduces Risk, Not Just Paperwork

An API security hire that only produces reports leaves you with a longer backlog and the same exposure. When you hire dedicated API security engineers through AppStudio, you get vetted specialists who embed in your API estate, find the endpoint and auth issues that actually matter, and fix them alongside your developers, so your posture improves rather than just being documented.

That is the point of this page: real API-security depth, flexible engagement, and a prompt replacement if the fit is not right. Whether you need one engineer to lock down authentication or a team to secure a growing public and partner API surface, we shape the engagement around your APIs and risks, and you stay in control of code, priorities, and reviews throughout.

Need related work too? Explore API development services, cybersecurity services, vulnerability management, DevOps, and IT staff augmentation, or book your free consultation.

Book a Free Consultation →

API security engineers reviewing endpoints with a development team

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Frequently Asked Questions

Authentication and authorization (OAuth 2.0, OIDC, JWT, scoped tokens), API gateway hardening on Kong, Apigee, and cloud gateways, the OWASP API Top 10, schema validation and rate limiting, REST and GraphQL security, API penetration testing and threat modeling, and DevSecOps for APIs. We match the specific skills your API surface and risks call for.

Application security covers the whole app; API security focuses on the interfaces other systems call, where the biggest modern risks live: broken object-level authorization, broken authentication, excessive data exposure, and abuse of business logic. Our engineers specialise in that layer, the gateway, the tokens, the contracts, rather than treating APIs as an afterthought.

Yes, and these are the most common reasons teams hire us. We add per-object authorization checks so a valid token cannot access records it should not, and harden authentication with scoped, short-lived tokens and safe session handling, then add tests so the fixes hold.

Yes. For REST we enforce auth, schema validation, and rate limits per endpoint; for GraphQL we add query depth and cost limits, lock down introspection, and implement field-level authorization, so a flexible query language does not become an open door.

Yes. We configure and harden Kong, Apigee, and cloud-native gateways (such as AWS API Gateway), enforcing schema validation, throttling, authentication, and WAF rules at the edge, so malformed and abusive traffic is stopped before it reaches your services.

Yes. We implement OAuth 2.0 and OpenID Connect with correct flows, scoped and short-lived tokens, safe refresh handling, and vaulted secrets, and we clean up long-lived keys and over-broad scopes that are a common source of API breaches.

Yes. We wire contract tests, authentication and authorization checks, and dependency and secrets scanning into your pipeline, tuned to cut noise, with guardrails that block insecure API changes before they merge, so security keeps pace with fast-moving APIs.

Yes. We run hands-on API penetration tests that go after BOLA, broken auth, injection, and business-logic abuse that scanners miss, and we threat-model your API estate at design time so risks are caught before endpoints ship.

Yes. Our engineers map API security controls, auth, logging, encryption, and access, to the framework you answer to, build the evidence auditors expect, and close the gaps a readiness review surfaces, so audits become a review rather than a scramble.

Yes. We lock down outbound and partner APIs with scoped credentials, mutual TLS where it is warranted, and strict validation of everything you receive, so a partner integration cannot become the weak link that exposes your data.

Yes. We move keys and tokens out of code and into a vault, enforce short-lived credentials, and set up rotation, so a leaked or stale key stops being a quiet path into your API estate.

Yes. We inventory endpoints, retire unused and shadow APIs, tighten scopes, and version changes so current integrations keep working, so the attack surface shrinks without a breaking rollout.

Request an API Security Hiring Consultation

Tell us about the API security skills, seniority, and timeline you need using the form below and our hiring team will reach out to discuss your APIs, gateways, and the approach that fits best.

Hire Dedicated API Security Engineer