Crystal Equation
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Sr Application Developer
Responsibilities:
Primary responsibility of this role is to support the Enterprise Service Bus (ESB) product which includes developing application integrations, supporting all phases of the System Development Lifecycle (SDLC), facilitating customer on-boarding, migrating integration functionality from Mulesoft to ACE, and assisting with product enhancements and production support. This opportunity will allow you to work cross-functionally with Architects, Developers/Engineers, Business Analysts, and Product Managers across multiple teams in a rapidly evolving environment. To be successful in this role, you must be an organized, self-starter with stellar collaboration and communication skills, who can work independently building relationships and driving technical solutions from inception to completion. This position requires the candidate to be technically savvy and have a proven ability to work well in a highly dynamic environment while maintaining strong relationships with our customers and partners.
Qualifications:
Experience:
Preferred Skills:
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Pay range is $75 - $80 per hour with full benefits available, including paid time off, medical/dental/vision/life insurance, 401K, parental leave, and more. Our compensation reflects the cost of labor across several US geographic markets. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.
THE PROMISES WE MAKE:
At Crystal Equation, we empower people and advance technology initiatives by building trust. Â Your recruiter will prep you for the interview, obtain feedback, guide you through any necessary paperwork and provide everything you need for a successful start. Â We will serve to empower you along the way and provide the path for your professional journey.
For more information regarding our Privacy Policy, please visit crystalequation.com/privacy.
Sr Application Developer
101 Market St San Francisco, CA 94105 US
Posted: 10/14/2025
2025-10-14
2025-12-10
Job Number: 41407
Job Description
Sr Application Developer
Responsibilities:
Primary responsibility of this role is to support the Enterprise Service Bus (ESB) product which includes developing application integrations, supporting all phases of the System Development Lifecycle (SDLC), facilitating customer on-boarding, migrating integration functionality from Mulesoft to ACE, and assisting with product enhancements and production support. This opportunity will allow you to work cross-functionally with Architects, Developers/Engineers, Business Analysts, and Product Managers across multiple teams in a rapidly evolving environment. To be successful in this role, you must be an organized, self-starter with stellar collaboration and communication skills, who can work independently building relationships and driving technical solutions from inception to completion. This position requires the candidate to be technically savvy and have a proven ability to work well in a highly dynamic environment while maintaining strong relationships with our customers and partners.
Qualifications:
- **SR Integration Engineer--ESB developer with MuleSoft and IBM ACE
Experience:
- 3+ years of experience in designing and developing complex service bus integrations and APIs that require the participation and collaboration of cross-functional entities using the MuleSoft Anypoint and IBM IIB/ACE platforms
- Familiarity with IBM MQ and similar messaging technologies
- Minimum 2 years of experience with leading application server platforms; and hands on experience in using relational DBMS, including Oracle and/or Amazon RDS
- Minimum 2 years of experience providing production support with demonstrated customer service prowess
- Prior experience analyzing business requirements and building Use Cases and translating business requirements to clear technical specifications
- Demonstrated ability to design/develop systems for heterogeneous security technologies
- Proven experience in working collaboratively, coordinating among cross-functional teams and the ability to work effectively with organizational differences and priorities
- Excellent communication (oral and written) and analytical skills; strong and demonstrated interpersonal skills to include influence, collaboration, accountability, and critical thinking
- Proven desire to continuously learn new technologies
- Clear understanding of and experience with team development best practices to include peer reviews processes and version control systems
- Ability to work effectively both independently and in a team environment
- Judgement to escalate risk based decisions appropriately
- Experience working in AWS environment
Preferred Skills:
- Experience with Mulesoft Anypoint 4.0 and higher
- Experience with RAML
- Experience with MQ 8 and 9 and higher
- Experience with Web services
- Experience with Java, .NET, Rest/SOAP, ESQL
- Experience with ODBC/JDBC
- Experience with service registry and API service gateway implementations
- Experience with Service Oriented Architecture (SOA) including micro/mini-service architectures
- Experience with automating deployments and deploying into all levels of environments
- Experience with Cloud computing environments
- Experience with ESB performance monitoring and troubleshooting ESB performance issues
- Familiar with Agile and Scrum methodologies
- *nix scripting skills
- Good understanding of functional/nonfunctional testing concepts, and experience with code analysis tools a plus
- Experience with collaboration tools such as Subversion, JIRA, ALM, Confluence, MS Teams
- Demonstrated technical expertise across a variety of technology platforms and solutions
- Bachelor’s degree in Computer Science, Information Systems, or other related field or equivalent work experience
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Pay range is $75 - $80 per hour with full benefits available, including paid time off, medical/dental/vision/life insurance, 401K, parental leave, and more. Our compensation reflects the cost of labor across several US geographic markets. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.
THE PROMISES WE MAKE:
At Crystal Equation, we empower people and advance technology initiatives by building trust. Â Your recruiter will prep you for the interview, obtain feedback, guide you through any necessary paperwork and provide everything you need for a successful start. Â We will serve to empower you along the way and provide the path for your professional journey.
For more information regarding our Privacy Policy, please visit crystalequation.com/privacy.
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