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Added 7 mins ago
Principal ASIC Engineer
Echodyne Corp
Kirkland, WA
Echodyne is seeking a Principal ASIC Engineer to join our Analog/Mixed-Signal (AMS) Engineering team and lead the development and lifecycle support of custom integrated circuits for our…
Added 14 mins ago
Telecommunications Engineer 4 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Engineer 2 - San Antonio, TX
M.C. Dean, Inc
San Antonio, TX
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Engineer 3 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Engineer 2 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Senior Design Engineer (Engineer 5)
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Specialist 2 (Technical Specialist 2) - Tysons, VA
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Specialist 4 (Technical Specialist 4) - Tysons, VA
M.C. Dean, Inc
Tysons, VA
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 14 mins ago
Telecommunications Specialist 2 (Technical Specialist 2) - San Antonio, TX
M.C. Dean, Inc
San Antonio, TX
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex…
Added 27 mins ago
Senior R&D Test Engineer - Electrical
Stryker Employment Company, LLC
Flower Mound, TX
As a Senior R&D Test Engineer, Electrical, you'll work closely with electrical, software, firmware, and systems engineers to evaluate new product designs, troubleshoot technical challenges,…
Added 29 mins ago
Lead DevSecOps Appian Engineer
Koniag Government Services
Washington, DC
…customer on a large-scale Army contracting systems modernization and automation program. Leads the automated delivery path for Appian packages, conventional code, database changes,…
Added 29 mins ago
Lead Desktop / Client Server Engineer (TS/SCI)
Koniag Government Services
Arlington, VA
Support NIST-defined Risk Management Framework (RMF) activities, including producing and maintaining security documentation, maintaining and updating RMF compliance artifacts, contributing…
Added 29 mins ago
Software Developer
Koniag Government Services
Huntsville, AL
Process Automation & AI-Enabled Velocity: Proactively evaluate and integrate emerging AI-assisted developer capabilities, automated code-generation tools, and streamlined workflows to…
Added 29 mins ago
GCP Cloud Product Owner
Koniag Government Services
Washington, DC
DevSecOps & Automation Alignment: Collaborate with cloud engineers to ensure the product vision embeds continuous delivery, Infrastructure as Code (IaC), zero-trust security controls, and…
Added 29 mins ago
AWS Cloud Product Owner
Koniag Government Services
Washington, DC
DevSecOps & Automation Alignment: Collaborate with cloud engineers to ensure the product vision embeds continuous delivery, Infrastructure as Code (IaC), zero-trust security controls, and…
Added 29 mins ago
Zscaler Integration Engineer - Mid
Koniag Government Services
Washington, DC
Koniag Operations Services, LLC, a Koniag Government Services company, is seeking an experienced Zscaler Integration Engineer (Mid) to support enterprise network security operations and IT…
Added 29 mins ago
Sr Palo Alto Integration Engineer
Koniag Government Services
Washington, DC
…Services company, is seeking an experienced Palo Alto Integration Engineer (Senior) to support enterprise network security operations and IT administrative and operational support services…
Added 29 mins ago
Harness/Traceable Integration Engineer (Senior)
Koniag Government Services
Washington, DC
…company, is seeking an experienced Harness/Traceable Integration Engineer (Senior) to support enterprise DevSecOps operations, API security, and IT administrative and operational support…
Added 29 mins ago
Sr Entra ID Integration Engineer
Koniag Government Services
Washington, DC
…Services company, is seeking an experienced Entra ID Integration Engineer (Senior) to support enterprise identity and access management operations and IT administrative and operational…
Added 29 mins ago
Senior Knowledge Management Engineer (TS)
Koniag Government Services
MD
…(KGS), an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture seeks a Senior Knowledge Management…
Added 29 mins ago
Cloud Engineer (REMOTE)
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Cloud Engineer to support KITS and our government customer. The position is remote. This position requires the…
Added 29 mins ago
DAF365 JML Lead Engineer (Study 3) (REMOTE)
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC , a Koniag Government Services company, is seeking an experienced DAF365 JML Lead Engineer to support the Department of the Air Force (DAF) in advancing its…
Added 29 mins ago
AWS Cloud Infrastructure Engineer – RPA Operations (REMOTE)
Koniag Government Services
Arlington, VA
The AWS Cloud Infrastructure Engineer - RPA Operations will be responsible for designing, implementing, and maintaining the organization's Amazon Web Services (AWS) cloud infrastructure…
Added 36 mins ago
CyberArk Engineer/IAM/Remote
Kelly Services
Remote, United States
A leading organization is looking for a CyberArk Engineer to join its growing cybersecurity and identity security team. This is a fully remote, full-time opportunity to work with…
Added 37 mins ago
Principal Software Engineer
The MITRE Corporation
McLean, VA · Bedford, MA
Roles & Responsibilities: We're seeking an experienced and properly credentialed Principal Software Engineer to join our team, who not only excels in software development but also possesses…

WEX Inc

Software Engineer (Apps) 4

Remote, United States

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

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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

Original job description

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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More about this job

Skills

TMS
C#
PHP
.NET
IBM DB2
Leadership
Documentation
Collaboration
Quality assurance
API development
Oracle Java
Communication skills
Detect bottlenecks
CI/CD
Troubleshoot
Root cause analysis
Change management
Process improvement
Computer science
Problem solving
Back-end development
Spring Boot
SQL
C++
Apache Kafka
Docker
Kubernetes
Regulatory compliance
Sales

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