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Added 1 min ago
Senior Electrical/Systems Engineer – High Power RF Systems
x Varian Medical Systems, Inc.
United States
We are looking for a motivated engineer or scientist to join our Beam Generation Group, which develops the radiation-producing subsystem at the heart of Varian Radiation Oncology machines.…
Added 3 mins ago
AI & HPC Infrastructure Engineer
Accenture
Saint Louis, MO
+ Integrate AI infrastructure platforms with existing IT systems, data pipelines, security frameworks, model-serving endpoints, and enterprise governance controls
Added 9 mins ago
Application Security Engineer III
True Anomaly
Denver, CO · Long Beach, CA
As an Application Security Engineer III, you will be instrumental in implementing and auditing security controls for mission-critical space systems that must meet stringent government…
Added 11 mins ago
Data Asset Model Senior Engineer
Mars Corporate
United States
…organizational change, we are seeking a FinTech Data Asset Model Senior Engineer to strengthen our capabilities in Azure Data Lake technologies within the FinTech Data Lake…
Added 15 mins ago
Principal MEP Advisor & Design Authority
World Wide Technology
Maryland Heights, MO
…technology and then deploy solutions at scale using its global integration and distributions…
Added 17 mins ago
Lead PostgreSQL Engineer
Mastercard
O'Fallon, MO
The Database Engineering team is seeking a Lead Platform Engineer to lead the design, engineering, automation, modernization, and operational excellence of Mastercard's enterprise database…
Added 19 mins ago
NB
Sr. Manufacturing Automation Engineer
Nova Biomedical
Waltham, MA
- $149,000 to $164,000 USD / year
…sites and is seeking a hands-on Sr. Manufactroing Automation Engineer with strong manufacturing support experience, proven mechanical and electrical troubleshooting ability, and a…
Added 19 mins ago
NB
Principal Design Quality Engineer I
Nova Biomedical
Waltham, MA
- $120,000 to $160,000 USD / year
Nova Biomedical is seeking a Principal Design Quality Engineer I to support the development of innovative, high-performance diagnostic and analytical technologies used in clinical care,…
Added 19 mins ago
NB
Senior Quality Engineer
Nova Biomedical
Norwood, MA
- $110,000 to $130,000 USD / year
The Senior Quality Engineer will be responsible for providing Quality Engineering support to ensure quality practices are implemented and maintained across design transfer, inspection,…
Added 19 mins ago
NB
Staff DevOps Engineer
Nova Biomedical
Waltham, MA
- $125,000 to $170,000 USD / year
The Staff DevOps Engineer provides senior-level technical leadership for cloud infrastructure, deployment automation, DevSecOps practices, and software delivery systems supporting regulated…
Added 19 mins ago
Staff Optical Engineer
Nova Biomedical
Waltham, MA
Nova Biomedical is seeking a Staff Optical Engineer to lead the design, development, integration, verification, and validation of optical and optical-sensing subsystems used in biomedical…
Added 19 mins ago
Staff AI Engineer
Nova Biomedical
Waltham, MA
The Staff AI Engineer will serve as a senior hands-on technical leader within Nova's Data & AI function, designing, building, and operationalizing AI-enabled applications, agents, reusable…
Added 19 mins ago
NB
Software Engineer II
Nova Biomedical
Waltham, MA
- $85,000 to $120,000 USD / year
Nova Biomedical is seeking a motivated Software Engineer II to contribute to the development and maintenance of full-stack Windows Presentation Foundation applications for medical device…
Added 19 mins ago
Digital Workplace Experience Engineer
Nova Biomedical
Waltham, MA
The Digital Workplace Experience Engineer is a senior individual contributor responsible for engineering the workflows, platform integrations, automation patterns, and experience…
Added 19 mins ago
Software Engineer Principal
The Home Depot
Remote, United States
Implementing Data Governance and Security and Role-Based Access Controls;
Added 19 mins ago
STAFF SOFTWARE ENGINEER
The Home Depot
Remote, United States
…(via cdk8s) and virtual machines (via Terraform), developing integration plugins, managing access control lists through GitHub-backed configuration, and resolving platform support…
Added 21 mins ago
Automation Engineer II
TECHTRONIC CORDLESS GP
Menomonee Falls, WI
The Automation Engineer II is a capable technical contributor who develops automated test solutions with growing ownership and independence. This individual applies knowledge of TAG, Lab,…
Added 22 mins ago
Sr Data Engineer
CAI Cox Automotive Corp Svcs., LLC
Atlanta, GA
…applications, and AI agents under strict governance and PII…
Added 23 mins ago
WR
Information Security Engineer
Watts Regulator Company
Andover, MA
- $118,000 to $131,000 USD / year
Watts Water Technologies is seeking a mid-level Information Security Engineer to own our edge and web application security program. This role is focused on Cloudflare, application security,…
Added 23 mins ago
B&
Project Manager - Gas and Heavy Industrial
Burns & McDonnell
Saint Louis, MO
- $140,000 to $460,000 USD / year
+ Managing the overall planning and execution of Owner's Engineer, detailed design, and/or EPC projects.
Added 23 mins ago
B&
Project Manager - Gas and Heavy Industrial
Burns & McDonnell
Kansas City, MO
- $140,000 to $460,000 USD / year
+ Managing the overall planning and execution of Owner's Engineer, detailed design, and/or EPC projects.
Added 24 mins ago
Software Test and Automation Engineer
Edwards Lifesciences LLC
CA
Perform functional, regression, and integration testing, including integrations with external systems such as EMR/EHR.
Added 28 mins ago
Platform Engineer
Highmark Health
Jefferson City, MO
The Platform Engineer designs, implements, administers, and supports enterprise cloud platforms, integrations, databases, and application services. This role combines platform engineering,…
Added 28 mins ago
Sr. Engr, Automation Engineering, Controls III
RTX
United States
…enthusiastic, highly motivated, and innovative Automation Systems Engineer (ASE) to join our…
Added 29 mins ago
Principal Consultant - Operational Technology Strategy for Industrial Cybersecurity | 1898 & Co.
Burns & McDonnell
Kansas City, MO
…governance models, implementation roadmaps, and operational controls while balancing resiliency, cybersecurity, reliability, operational safety, technology lifecycle considerations, and…

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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