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Freelance Wso2 Software Engineer Jobs (NOW HIRING)

WSO2

Lead - Solutions Engineer

Austin, TX · On-site

$101K - $133K/yr

About WSO2 Founded in 2005, WSO2 is the largest independent software vendor providing open-source ... WSO2's products and platforms-including our next-gen internal developer platform, Choreo-empower ...

MavTek

Staff Software Engineer (Freelance)

We're looking for a brilliant Staff Software Engineer (Freelance) to join us. As an Staff Software Engineer at MavTek, you are the co-owner of the engineering and AI strategy that fundamentally ...

Balin Technologies LLC

INTEGRATION ENGINEER

Woodbridge, NJ · On-site

$105K - $141K/yr

INTEGRATION ENGINEER/Middleware Engineer Location: NJ EXPERIENCE 10YRS+ DOMAIN: FINANCIAL ... Build Ballerina services and mediation flows; configure APIs, products, and policies in WSO2 APIM ...

Sonsoft Inc

WSO2 API Manager

Radnor, PA

We are growing at a steady pace specializing in the fields of Software Development, Software ... Exposure to DevOps. The job entails sitting as well as working at a computer for extended periods ...

CreativeCircle

Software Engineer

San Mateo, CA · On-site

$90 - $95.79/hr

Software Engineer Software Engineer - ML Data Infrastructure & Pipeline Engineering Scope: Contract ... Benefits Creative Circle's Freelance Employee benefits package includes eligibility for Minimum ...

Solomon Page

Software Engineer

Manhattan, NY · On-site

$40/hr

We are seeking a skilled Software Engineer to design, develop, and maintain scalable software ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Solomon Page

Software Engineer

Manhattan, NY · On-site

$70/hr

We are seeking a Senior Software Engineer to lead the development of innovative features for our ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

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Freelance Wso2 Software Engineer information

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$24K

$104.9K

$189K

How much do freelance wso2 software engineer jobs pay per year?

As of Aug 2, 2026, the average yearly pay for freelance wso2 software engineer in the United States is $104,863.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,000.00 and $120,000.00 per year, depending on experience, location, and employer.

What is the difference between Freelance Wso2 Software Engineer vs Freelance API Developer?

AspectFreelance Wso2 Software EngineerFreelance API Developer
CredentialsWso2 certifications, software engineering backgroundAPI design certifications, software development skills
Work EnvironmentProject-based, client-specific, often remoteProject-based, client-specific, often remote
Industry UsageUsed in organizations implementing Wso2 products and middlewareUsed in companies developing or integrating APIs across industries
Search & Comparison IntentFocuses on Wso2 platform expertiseFocuses on API development skills

The Freelance Wso2 Software Engineer specializes in implementing and customizing Wso2 middleware solutions, requiring specific Wso2 certifications. In contrast, a Freelance API Developer focuses on designing and building APIs, which may involve various platforms and tools. Both roles are project-based and often remote, but they serve different technical needs within organizations.

More about Freelance Wso2 Software Engineer jobs
What cities are hiring for Freelance Wso2 Software Engineer jobs? Cities with the most Freelance Wso2 Software Engineer job openings:
What are the most commonly searched types of Wso2 Software Engineer jobs? The most popular types of Wso2 Software Engineer jobs are:
What states have the most Freelance Wso2 Software Engineer jobs? States with the most job openings for Freelance Wso2 Software Engineer jobs include:
What job categories do people searching Freelance Wso2 Software Engineer jobs look for? The top searched job categories for Freelance Wso2 Software Engineer jobs are:
Freelance Wso2 Software Engineer jobs near you
Infographic showing various Freelance Wso2 Software Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $104,863 per year, or $50.4 per hour.

WSO2 / API INTEGRATION ENGINEER

Nutech Information Systems

Woodbridge, NJ • On-site

$105K - $141K/yr

Other

Posted 6 days ago

Job description

One of prestigious banks is looking for a WSO2 ENGINEER OR API INTEGRATION ENGINEER

Location for the client is Iselin, New Jersey. 

can push for remote but the candidate has to be in NJ, CT, NY or TX.

API & Integration Engineer
This position is responsible for design, and delivery of enterprise-grade integration and middleware solutions on WSO2 APIM (API Manager) / WSO2 Bijira, WSO2 MI (Micro Integrator) / WSO2 Devant, and WSO2 Ballerina, operating on Kubernetes with strong Linux fundamentals. Partner with Enterprise Architecture, Data, Infrastructure, Cyber Security, Business stakeholders, third party vendor partners and other Internal stakeholders to deliver secure, scalable APIs and integrations aligned to Business objectives and Enterprise Standards.

MAJOR JOB RESPONSIBILITIES

 

  • Define integration patterns (API, event, file/MFT, messaging), reference architectures, and reusable components on WSO2 MI/Devant and WSO2 APIM/Bijira.
  • Build Ballerina services and mediation flows; configure APIs, products, and policies in WSO2 APIM; implement connectors, retries, and error handling in WSO2 MI/Devant.
  • Diagnose and resolve issues across gateway, runtime, network, and backend; implement observability, alerting, dashboards, and runbooks.
  • Design and evolve APIM gateways and MI/Devant runtimes (HA, autoscaling, DR); plan control-plane and private data plane topologies; optimize ingress patterns on Kubernetes.
  • Implement OAuth2/OIDC with Microsoft Entra, API key/HMAC, mTLS, JWKS caching; enforce data protection, secrets management (e.g., Key Vault/HashiCorp), and zero-trust principles.
  • Define service principles, app registrations, token lifecycles, scopes/claims, key rotation, and least-privilege IAM models.
  • Design REST/gRPC/GraphQL APIs; govern versioning, throttling, quotas, and developer portal configuration in WSO2 APIM.
  • Align with Enterprise Architecture standards and define guardrails for performance, resiliency, security, and cost efficiency.
  • Create Technology Impact Assessment (TIA) and design documents for integrations and API designs, review with internal stakeholders for approvals.
  • Develop and maintain a high-level technical vision for API and integration systems.
  • Implement WAF/rate limiting, DLP/masking, logging, and SIEM integration; ensure compliance with SOC2, PCI, GLBA, and internal InfoSec controls.
  • Evaluate and manage WSO2 vendor capabilities, conduct POCs, and coordinate with vendor support and engineering teams.
  • Collaborate with business and product owners to align solutions to requirements and obtain approvals.

SKILLS AND TRAINING

  • WSO2: APIM (API Manager) / Bijira, MI (Micro Integrator) / Devant, Ballerina.
  • Runtime/Platform: Kubernetes, containers, ingress/controllers, service mesh (optional).
  • OS/Infra: Linux administration (networking, systemd, filesystems), container registries (ACR/ECRR/Harbor) required for the middleware platform deployment and maintenance.
  • Identity: Microsoft Entra (Azure AD) for OAuth2/OIDC/SAML, JWKS, app registrations.
  • Messaging & Data: JMS/Kafka/RabbitMQ, MFT/SFTP, SQL/NoSQL.
  • Observability & Security: LogicMonitor, Prometheus-Grafana, SecureWorks Taegis or equivalent SIEM, logs/metrics/traces.

Apply