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Contract Xml Developer Jobs in California (NOW HIRING)

NET Developer - Public Safety & Justice Systems 100% Remote 4 Months (Contract) Job Summary The Sr. ... XML, JSON, SOAP, REST (7+ years) * Database Development: Microsoft SQL Server, Oracle SQL Server ...

In regards to a contract job with one of our client in Torrance, CA. They are looking for a iOs ... Experience with JQuery, HTML5, CSS3, JavaScript, JSON, XML and Interfacing iPhone/iPad applications ...

Sr .Net Developer

Torrance, CA · On-site

$57 - $75.25/hr

I am trying to touch-base with you regarding a contract job with one of our client in Torrance CA ... with XML and XSLT • Excellent code troubleshooting and testing skills • Hands on experience ...

Sr .Net Developer

Torrance, CA · On-site

$57 - $75.25/hr

I am trying to touch-base with you regarding a contract job with one of our client in Torrance CA ... with XML and XSLT Excellent code troubleshooting and testing skills Hands on experience with e ...

$55 - $75/hr

Conexus is seeking intermediate level data integration engineers for contract work. Candidates will ... Avro, Parquet, XML, etc) What will you be doing? The chosen applicants will be tasked with ...

UI Software Developer

Sunnyvale, CA

$58.75 - $76.25/hr

Have implemented HTML5 and Responsive / Adaptive Web Design Experience in AJAX, XML, JSON ... Additional Information GOOD COMMUNICATION SKILLS DURATION: 6+ Months (CONTRACT TO HIRE) INTERVIEW:

In regards to a contract job with one of our client in Torrance, CA. They are looking for a iOs ... XML and Interfacing iPhone/iPad applications to server side services through REST. • Strong ...

Java Developer

Sunnyvale, CA · On-site

$59.75 - $77.50/hr

... Required - Medium XML/JSON - Preferable - Medium HTML Required- SME Job Type: Contract Required experience: JUnit,Eclipse,J2EE technologies,SQl/Nosql: 5 years Additional Information All your ...

ServiceNow Web Developer

Folsom, CA

$57.75 - $79.50/hr

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... XML experience - Practical knowledge of working within a continuous build environment including ...

Fullstack Engineer

San Francisco, CA · On-site

$180K - $240K/yr

We're the youngest founders to ever win a US Defense contract. Over the past year, we've helped ... Respond in an xml block using {your_response}

Showing results 21-40

Contract Xml Developer information

What is the difference between Contract Xml Developer vs Contract Java Developer?

AspectContract Xml DeveloperContract Java Developer
Required CredentialsXML, XSLT, schema design, basic programmingJava, J2EE, Spring, Hibernate
Work EnvironmentData integration, middleware, backend systemsApplication development, backend services
Industry UsageFinance, healthcare, enterprise systemsSoftware, technology, finance
Common Search/ComparisonYesYes

Contract Xml Developers focus on XML-based data processing, schema design, and integration tasks, often working in middleware or data exchange environments. Contract Java Developers primarily develop applications using Java technologies, working on backend systems and enterprise applications. While both roles require programming skills, their core expertise and typical work environments differ, making them distinct but sometimes overlapping in enterprise settings.

What are the most commonly searched types of Xml Developer jobs in California? The most popular types of Xml Developer jobs in California are:
What are popular job titles related to Contract Xml Developer jobs in California? For Contract Xml Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Contract Xml Developer jobs in California look for? The top searched job categories for Contract Xml Developer jobs in California are:
What cities in California are hiring for Contract Xml Developer jobs? Cities in California with the most Contract Xml Developer job openings:

IBM API Connect (APIC) & Datapower Developer

TechLink Systems, Inc.

Torrance, CA • On-site

Other

Posted 18 days ago


Job description

Job Title: Senior IBM API Connect (APIC) & Datapower Developer
Location: Torrance, CA (onsite)
Contract Duration: Contract until 03/31/2028

 

JOB RESPONSIBILITIES
As a Senior DataPower and APIC Developer, this person will perform the following tasks, including but not limited to:

  • Design, develop, and support enterprise API and integration solutions utilizing IBM API Connect (APIC) and IBM DataPower.
  • Develop and configure Multi-Protocol Gateway (MPGW) services for enterprise integrations.
  • Configure and support Web Service Proxy (WSP), XML Firewall, and MPGW services.
  • Design and implement B2B integrations with external trading partners using IBM DataPower.
  • Configure and manage SSL/TLS security which includes SSL Proxy Profiles,Crypto Profiles, Crypto Certificates etc.
  • Configure error handling, logging, monitoring, and troubleshooting on IBM DataPower appliances.
  • Lead application development, enhancement, and production support activities for multiple large-scale business initiatives.
  • Research, troubleshoot, and resolve production incidents involving APIs, middleware, cloud integrations, and backend applications.
  • Perform impact analysis across multiple platforms, systems, and integration points to support project delivery and change management.
  • Design and implement API security solutions, including OAuth 2.0, JWT, Mutual TLS (mTLS), LDAP integration, and certificate management.
  • Develop and maintain API products, catalogs, developer portals, rate limiting policies, and governance standards.
  • Design integration solutions between cloud-hosted and on-premises applications using APIC and DataPower.
  • Collaborate with architecture, security, infrastructure, cloud, and application development teams on solution design and implementation.
  • Participate in CI/CD automation, deployment planning, release management, and environment promotion activities.
  • Monitor API platform health, analyze performance metrics, and implement optimization opportunities.
  • Conduct root cause analysis (RCA) and implement long-term corrective actions for recurring production issues.
  • Support OpenShift Container Platform (OCP) deployments and containerized integration workloads.
  • Create and maintain technical documentation, architecture diagrams, design specifications, and operational procedures.
  • Mentor junior developers and provide technical leadership and best practices guidance.
  • Participate in on-call production support during off-hours, weekends, and critical business events.

WHAT WILL THE PERSON BE WORKING ON

  • Designs, develops, tests, and deploys enterprise-grade API and integration solutions using IBM API Connect and DataPower.
  • Creates, publishes, secures, and manages REST and SOAP APIs within APIC environments.
  • Develops GatewayScript, XSLT, XPath, and transformation services to support complex integration requirements.
  • Designs scalable integration architectures supporting cloud, hybrid-cloud, and on-premises applications.
  • Implements API security, authentication, authorization, encryption, and governance policies.
  • Deploys and supports APIC and DataPower solutions within OpenShift and containerized environments.
  • Integrates enterprise applications, including Salesforce, Loan Origination Systems, Servicing Systems, Payment Gateways, Fraud Platforms, and third-party vendor solutions.
  • Builds reusable integration components and establishes API development standards and best practices.
  • Collaborates with Business Analysts, Architects, Product Owners, Security Teams, and Infrastructure Teams to deliver technical solutions aligned with business objectives.
  • Conducts code reviews, design reviews, and technical solution reviews to maintain platform standards and quality.
  • Troubleshoots production issues related to APIs, middleware, networking, cloud connectivity, and application integrations.
  • Supports automated deployment pipelines and DevSecOps initiatives using GitHub, Azure DevOps, Jenkins, GitLab, or similar technologies.
  • Implements monitoring, logging, analytics, and observability solutions to improve platform reliability and operational visibility.
  • Provides technical mentoring and knowledge transfer to development and support teams.
  • Follows established SDLC, Agile, change control, configuration management, and release management processes. 

WANTS
Required Experience:

  • Bachelor''s degree in Computer Science, Information Systems, Engineering, or related technical field.
  • 8+ years of overall software development and integration experience.
  • 5+ years of hands-on experience designing, implementing, and supporting IBM API Connect (APIC) and IBM DataPower solutions in enterprise environments.
  • Experience within Banking, Financial Services, Consumer Lending, Automotive Finance, or related regulated industries preferred.

Technical Skills:

  • Strong experience with IBM API Connect (APIC) and IBM DataPower Gateway platforms.
  • Extensive experience with REST, JSON, SOAP, XML, WSDL, XSD, XPath, XSLT, GatewayScript, EDI, and related integration technologies.
  • Strong understanding of API lifecycle management, API governance, and API security best practices.
  • Experience implementing OAuth 2.0, OpenID Connect (OIDC), JWT, Mutual TLS (mTLS), LDAP Integration, and certificate-based authentication.
  • Experience creating APIs, products, plans, catalogs, and developer portals in IBM APIC.
  • Experience configuring DataPower services, security objects, crypto profiles, and transformation policies.
  • Experience integrating Salesforce, Loan Origination Systems, Servicing Systems, Payment Gateways, Fraud Platforms, and external partners.
  • Experience designing and deploying integration solutions in AWS cloud environments.
  • Knowledge of AWS services including VPC, NLB, S3, security controls, networking, and hybrid-cloud architectures.
  • Experience enabling secure communication between cloud-hosted and on-premises applications.
  • Experience with OpenShift Container Platform (OCP), Kubernetes concepts, ingress/egress policies, secrets, routes, and container deployments.
  • Experience implementing CI/CD pipelines utilizing GitHub, GitLab, Jenkins, Azure DevOps, or similar automation tools.
  • Experience with monitoring and observability platforms such as Splunk, Dynatrace, AppDynamics, ELK, Grafana, or Prometheus.
  • Experience performing production support, troubleshooting, root cause analysis, and performance tuning activities.
  • Experience with IBM MQ integration and messaging patterns.
  • Working knowledge of event-driven architectures, Kafka, or IBM Event Streams is preferred.
  • Experience with AWS S3 integration and cloud-native application architectures.
  • Experience building APIC analytics dashboards and reporting solutions.

Desired Attributes:

  • Strong architecture and solution design capabilities for enterprise integration platforms.
  • Demonstrated ability to lead technical initiatives and mentor less experienced team members.
  • Excellent troubleshooting, analytical, and problem-solving skills.
  • Strong verbal and written communication skills with proven ability to partner effectively with business stakeholders, vendors, and technical teams.
  • Ability to work independently with minimal supervision while managing multiple priorities.
  • Experience working in Agile/Scrum delivery environments.

Nice to Have: IBM Cloud Pak for Integration (CP4I), Kafka, Event Streaming, and Financial Services compliance experience (SOX, PCI, GLBA).