Top 50 Senior .net developer Jobs in Pasadena, Ca

Senior IBM API Connect (APIC) & Datapower Developer
Robert Half —Torrance, CA
- $60 - $65 an hour
- Temporary
- System design
- Analysis skills
- Mentoring
- Disability insurance
- Dental insurance
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Senior Software Engineer (Robotics & Intelligence)
Motivo —Rancho Dominguez, CA
- $110,000 - $130,000 a year
- Full-time
- Computer Science
- Bachelor of Science
- System design
- Profit sharing
- 401(k) matching
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Senior Staff Software Engineer
SCAN Group —Long Beach, CA
- $125,400 - $181,419 a year
- Full-time
- Hybrid work
- Background check
- Computer Science
- System design
- Wellness program
- Paid holidays
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4d

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9d
Senior IBM API Connect (APIC) & Datapower Developer
Robert Half —Torrance, CA
Produce technical documentation such as design artifacts, architecture diagrams, support procedures, and operational standards while mentoring less experienced…
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Senior IBM API Connect (APIC) & Datapower Developer

Robert Half -
Torrance, CA

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Job Details

Temporary | Contract
$60 - $65 an hour

Benefits

Disability insurance
Dental insurance
401(k)
Vision insurance

Qualifications

Quality control corrective actions
Authentication
Operational analysis
Stakeholder engagement
Systems integration
Content creation for technical audiences
Defect resolution root cause analysis
Incident management
Continuous Delivery (CD) implementation
Procedural guides
OAuth 2.0
Team leadership
Defect analysis
Improving system uptime or availability
System performance optimization
System design
Integration Architecture Design (Architecture design skills)
Security policy Implementation (information security management)
Application deployment
Scalable systems
TLS
Analysis skills
Cloud security best practices implementation
Cloud service support
Incident management operations support
Integration Platforms (Enterprise solutions)
Mentoring
Software documentation
B2B
Cryptographic technology

Full Job Description

We are looking for a Senior IBM API Connect (APIC) & Datapower Developer to join our great team in Southern California. This Long-term Contract position is onsite four days each week and focuses on building, securing, and supporting enterprise integration solutions across cloud and on-premises environments. The role will play a key part in API delivery, B2B connectivity, platform reliability, and technical leadership for large-scale business initiatives.

Responsibilities:

Build and maintain enterprise API and integration services using IBM API Connect and IBM DataPower for business-critical applications.
Create and configure Multi-Protocol Gateway services, web service proxies, XML firewalls, and related gateway components to enable secure system connectivity.
Deliver B2B integration solutions with external partners and support reliable data exchange across internal and third-party platforms.
Implement security controls such as OAuth 2.0, mutual TLS, certificate management, proxy profiles, and crypto configurations across the integration landscape.
Investigate production issues affecting APIs, middleware, cloud integrations, and backend systems, then drive resolution through root cause analysis and corrective action.
Partner with architecture, infrastructure, security, cloud, and development teams to define scalable hybrid integration approaches and support project delivery.
Support CI/CD activities including deployment automation, release coordination, and promotion of code across environments.
Monitor platform performance, logging, and operational health, and apply improvements that strengthen availability, governance, and throughput.
Produce technical documentation such as design artifacts, architecture diagrams, support procedures, and operational standards while mentoring less experienced developers.
Participate in after-hours and weekend support for critical incidents and key business events as needed.
Strong hands-on experience developing enterprise integrations with IBM API Connect (APIC) and IBM DataPower.
Proven background configuring API gateways, security policies, web service proxies, and transformation or mediation services in complex environments.
Experience implementing API security standards including OAuth 2.0, mTLS, certificate lifecycle management, and related authentication controls.
Ability to troubleshoot production problems across APIs, middleware, cloud services, and backend applications using logs, metrics, and structured analysis.
Knowledge of hybrid integration architecture spanning cloud-hosted and on-premises systems.
Familiarity with CI/CD practices, deployment automation, environment management, and operational support processes.
Strong communication, planning, and documentation skills with the ability to work effectively across technical and business stakeholder groups.
Experience providing technical guidance, reviewing solution quality, and supporting team best practices in a senior development role.

Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.

Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use and Privacy Notice .

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senior .net developer jobs in pasadena, ca

Senior IBM API Connect (APIC) & Datapower Developer

Senior Software Engineer (Robotics & Intelligence)

Senior Staff Software Engineer

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