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R&D Writing System Engineer
HP
Corvallis
- $93,400 to $143,800 USD / year
…HP’s industry leading print businesses. This Specialist-level engineer primarily supports the PageWide Industrial (PWI) business by leading R&D development and integration of ink and…
Added 5 mins ago
R&D Engineer 4 (Welding Engineer)
Los Alamos National Laboratory
Los Alamos, NM
…primary responsibility for all Laboratory employees. The R&D Engineer 4 assures safety and security compliance, maintains required safety and security training, and makes safety and…
Added 5 mins ago
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Associate Support Engineer
Oracle
Santa Fe, NM
- $21.3 to $45.05 USD / hour
…peers to report and support the resolution of routine design, reliability, and maintenance issues. Maintains service request and/or product documentation and learns to create Knowledge Base…
Added 5 mins ago
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Senior Core Infrastructure Engineer - Nashville, TN
Oracle
Santa Fe, NM
- $79,200 to $209,500 USD / year
System Design & Architecture - System Reliability Design:
Added 5 mins ago
AWS Connect Developer
ASM Research, An Accenture Federal Services Company
Santa Fe, NM
Troubleshoot complex routing, latency, and availability issues using CloudWatch diagnostics and contact center metrics, and implement improvements to service reliability and performance.
Added 5 mins ago
O
Senior Database Site Reliability Engineer – Oracle Database and GoldenGate (IC3)
Oracle
Santa Fe, NM
- $81,100 to $187,000 USD / year
Oracle Health Database Services is seeking a highly experienced, Site Reliability Engineer to lead database reliability engineering across mission-critical healthcare platforms.
Added 5 mins ago
Senior AWS Cloud Engineer
Serco
Santa Fe, NM
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Platform Engineer - Remote
SitusAMC
Santa Fe, NM
…expert across Azure Repos, Pipelines, Boards, permissions, service connections, and enterprise…
Added 6 mins ago
Co-Packaged Optics Packaging Process Development Engineer
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
…with foundries and OSATs to ensure design for manufacturing, reliability, and cost. Responsibilities will include identification and mitigation of risk to new technologies used in product…
Added 8 mins ago
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Manufacturing Equipment Engineer
GPAC
Ogden, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 8 mins ago
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Manufacturing Equipment Engineer
GPAC
Milford, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 11 mins ago
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Manufacturing Equipment Engineer
GPAC
Wamego, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 12 mins ago
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Manufacturing Equipment Engineer
GPAC
Abilene, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 12 mins ago
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Manufacturing Equipment Engineer
GPAC
Salina, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 13 mins ago
Supplier Engineer II - Polymers
Boston Scientific
Maple Grove
As part of Global Sourcing, the Supplier Engineer supports the polymers category team with technical aspects such as the development, commercialization, and sustaining of procured medical…
Added 15 mins ago
Senior AWS Cloud Engineer
Serco
Des Moines, IA
Looking for a Senior Cloud Engineer opportunity in an environment where you can make an impact every day? Discover this great opportunity with the Center for Medicare and Medicaid Services…
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Manufacturing Equipment Engineer
GPAC
Chapman, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 15 mins ago
Platform Engineer - Remote
SitusAMC
Des Moines, IA
…expert across Azure Repos, Pipelines, Boards, permissions, service connections, and enterprise…
Added 16 mins ago
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Manufacturing Equipment Engineer
GPAC
Junction City, KS
- $80,000 to $98,000 USD / year
This is an excellent opportunity for an engineer who enjoys equipment design, hands-on problem-solving, and taking projects from concept through production. You'll collaborate with…
Added 20 mins ago
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Field Service Technician
GPAC
Elk Grove Village, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…
Added 21 mins ago
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Field Service Technician
GPAC
Itasca, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…
Added 21 mins ago
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Field Service Technician
GPAC
Melrose Park, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…
Added 21 mins ago
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Field Service Technician
GPAC
Elk Grove Village, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…
Added 21 mins ago
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Field Service Technician
GPAC
Glendale Heights, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…
Added 21 mins ago
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Field Service Technician
GPAC
Franklin Park, IL
- $90,000 to $100,000 USD / year
Field Service Technician • Industrial Service Technician • Field Service Engineer • Industrial Maintenance • Industrial Machinery Repair • Band Saw Repair • Circular Saw Repair • Sawing…

Closed listing

WEX

Software Engineer (Apps) 4

Remote, United States

Pay Range: $140,600.00 - $173,100.00

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Pay Range: $140,600.00 - $173,100.00
Experience: 10+ years of professional experience in software engineering.
Posting language: English
Posted: Nov 5, 2026

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Original job description

Archived listing. The details below describe a past opening.

About the Team/Role We are seeking a seasoned Sr. Software Engineer in the WEX Mobility Engineering organization. This role will sit in the Mobility team that caters to fleet management and mobility payments solutions for our large customers. Mobility development team spans across USA, Brazil, and India. Our Mobility systems provide SaaS and API solutions to various customers. WEX Mobility products enable credit issuance to fleet companies and their workers in the form of WEX or cobranded credit cards, usable at fueling stations and select other merchants. At WEX, we provide fleet managers and operators with fuel discounts, and flexibility to configure spend controls that restrict fleet members to use their cards at configured merchants, for configured amounts and velocity. This role includes large customer implementation/integration with TMS and support of products on the IBM iSeries platform. The role encompasses various responsibilities and required skills.

Technical Expertise - Engineer and implement software solutions tailored for the iSeries environment and possess deep knowledge of iSeries technologies, including RPG III,RPGILE, RPG IV, RPG400, CLP, DDS, C# and all IBM Utilities, SOAP, PHP, .NET web services and DB2 databases, which are crucial for effective development
Project Leadership - Senior engineers often lead technical initiatives, guiding teams through project lifecycles,
Mentorship - provide guidance and support to junior developers, fostering skill development and providing guidance on best practices and coding standards.
System Design - Responsibilities include architecting scalable and efficient systems and technical design documentation.
Collaboration - Senior engineers work closely with stakeholders, product managers and large customers to gather requirements and translate them into technical solutions, enhancing overall project success to ensure alignment with business goals.
Quality Assurance - Senior engineers are responsible for code reviews and implementing testing strategies to maintain software quality.

How you’ll make an impact:

Design, develop, and maintain robust, scalable, and high-performance object oriented code in our backend services.
Develop public REST APIs using Java and internal gRPC APIs for inter-service and inter-system communication.
Craft systems designs, lead design decisions, and drive alignment with other senior engineers.
Write automated unit tests, integration tests, end-to-end tests, concurrency tests, load/performance tests.
Analyze existing systems to identify bottlenecks, tech debt, and implement scalability, and stability improvements.
Implement automation for testing, monitoring, healing, and scaling applications, continuous integration and deployment to reduce time to market
Collaborate with cross-functional teams, including product managers, designers, and other engineers, to define and implement new features.
Conduct code reviews (comment, approve, seek revisions, merge), mentor junior and mid-level engineers, and actively promote engineering best practices.
Dive deep and troubleshoot complex issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability.
Conduct objective and comparative analyses of competing technologies to advise the team of pros and cons of a technology solution
Maintain robust documentation (design docs, run books, change management docs, and readiness plans)
Provide live-site support for production applications by monitoring systems, ensuring rapid incident resolution, and driving continuous improvement.
Drive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progress.
Support Mobility Major Account Implementations on IBM iSeries platform.

Experience you'll bring:

Bachelor’s degree in Computer Science or Software Engineering
10+ years of professional experience in software engineering.
Strong understanding of data structures and algorithms, object-oriented design, and problem-solving skills.
Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets.
Excellent written and verbal communication skills, and a collaborative and empathetic mindset.
Proficiency in backend development, with proficiency expertise in Java or C#, and frameworks like SpringBoot, building and optimizing RESTful APIs, ODATA framework, and SQL
10+ years Deep Technical knowledge of iSeries technologies, including RPG III, RPGILE, RPG IV, RPG400, CLP, C++,DDS, all IBM Utilities, SOAP, PHP, .NET, web services and DB2 databases, which are crucial for effective development.
IBM iSeries communications, administration, SSL, SSH, TCP/IP, web services experience

Preferred Qualifications

Master’s degree in computer science or software engineering.
8 years of experience in software engineering.
Experience with event-driven architecture and tools like Kafka.
Experience working on card payments
Familiarity with cloud-native architecture (containerization using tools such as Docker and Kubernetes).
Awareness of API security and PCI DSS compliance requirements
Ability to work on existing codebase, contribute improvements, and adapt to legacy systems’ constraints.

The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most sales positions are eligible for commission under the terms of an applicable plan. Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan. WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, check out the "About Us" section.

Pay Range: $140,600.00 - $173,100.00

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