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Added 2 mins ago
Senior Test Engineer
ASRC Federal Holding Company
Egg Harbor Township, NJ
Expertise to design and executing test activities with minimal direction from FAA.
Added 2 mins ago
Senior Software Engineer (Institutional, Financing)
Coinbase
Trenton, NJ
As a Senior Software Engineer on the Financing Engineering team within the Institutional group, you'll design, build, and scale the systems that safely manage billions of dollars in loans…
Added 2 mins ago
Distinguished Engineer, AI Security Systems (Remote)
CrowdStrike
Trenton, NJ
We are seeking a Distinguished Engineer who has built AI and security systems that operate in the real world and stop real adversaries.
Added 3 mins ago
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Entry-Level Civil Engineer - Land Development & Municipal (2+ yrs, EIT Preferred)
GPAC
Ada, MI
- $68,000 to $85,000 USD / year
Our client, an established, employee-owned civil engineering, surveying and planning firm, is growing its West Michigan office and is looking for an early-career Civil Engineer to join its…
Added 3 mins ago
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Entry-Level Civil Engineer - Land Development & Municipal (2+ yrs, EIT Preferred)
GPAC
Byron Center, MI
- $68,000 to $85,000 USD / year
Our client, an established, employee-owned civil engineering, surveying and planning firm, is growing its West Michigan office and is looking for an early-career Civil Engineer to join its…
Added 3 mins ago
Sr. Antenna Production Engineer
Echodyne Corp
Kirkland, WA
Echodyne offers the world’s first compact solid-state true beam-steering radar for a wide range of industries and applications. Our high-performance radars work in all weather and are…
Added 5 mins ago
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Project Engineer (EIT or PE) - Land Development
GPAC
Ann Arbor, MI
- $75,000 to $105,000 USD / year
Design site grading, storm sewer, sanitary sewer, and water main systems
Added 5 mins ago
G
Entry-Level Civil Engineer - Land Development & Municipal (2+ yrs, EIT Preferred)
GPAC
Rockford, MI
- $68,000 to $85,000 USD / year
Our client, an established, employee-owned civil engineering, surveying and planning firm, is growing its West Michigan office and is looking for an early-career Civil Engineer to join its…
Added 6 mins ago
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Land Development Engineer, PE
GPAC
Flint, MI
- $90,000 to $125,000 USD / year
Our client, a well-established, multi-office civil engineering and surveying consulting firm serving communities across Michigan, is seeking a Land Development Engineer to support…
Added 6 mins ago
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Senior Municipal Engineer, PE
GPAC
Flint, MI
- $100,000 to $135,000 USD / year
Our client, a well-established, multi-office civil engineering and surveying consulting firm serving communities across Michigan, is seeking a Senior Municipal Engineer to deliver…
Added 6 mins ago
G
Entry-Level Civil Engineer - Land Development & Municipal (2+ yrs, EIT Preferred)
GPAC
Grand Rapids, MI
- $68,000 to $85,000 USD / year
Our client, an established, employee-owned civil engineering, surveying and planning firm, is growing its West Michigan office and is looking for an early-career Civil Engineer to join its…
Added 6 mins ago
WI
(USA) Systems and Infrastructure Engineer III, Information Security
Walmart Inc.
HERNDON, VA
- $90,000 to $216,000 USD / year
The Systems and Infrastructure Engineer III, Information Security, plays a critical role in designing, implementing, and maintaining secure and scalable infrastructure solutions. This…
Added 6 mins ago
WI
(USA) Staff, Systems And Infrastructure Engineer, Information Security
Walmart Inc.
HERNDON, VA
- $110,000 to $264,000 USD / year
The (USA) Staff, Systems and Infrastructure Engineer, Information Security, plays a critical role in designing, implementing, and maintaining secure and scalable IT infrastructure. This…
Added 6 mins ago
WI
(USA) Staff, Systems And Infrastructure Engineer, Information Security
Walmart Inc.
HERNDON, VA
- $110,000 to $264,000 USD / year
The (USA) Staff, Systems and Infrastructure Engineer, Information Security, plays a critical role in designing, implementing, and maintaining secure IT infrastructure to support…
Added 6 mins ago
WI
(USA) Principal, Software Engineer
Walmart Inc.
United States
- $143,000 to $286,000 USD / year
The (USA) Principal, Software Engineer leads the design and delivery of scalable platform capabilities, driving innovation in cloud-native architectures and AI/ML integration. This role…
Added 6 mins ago
WI
Software Engineer II | Bentonville, Arkansas
Walmart Inc.
United States
- $80,000 to $155,000 USD / year
As a Software Engineer II, you will deliver high-quality software solutions by collaborating with cross-functional teams to design, develop, and maintain scalable applications and services.…
Added 6 mins ago
Manufacturing Engineer I - Technical Shop Floor Support
Airbus Americas, Inc.
Mobile Area, AL
The Manufacturing Engineer I - Technical Shop Floor Support is responsible for the manufacturing assessment of non-conformities, late changes to support production, and supporting and…
Added 6 mins ago
Manufacturing Engineer I - Technical Shop Floor Support (2nd Shift)
Airbus Americas, Inc.
Mobile Area, AL
The Manufacturing Engineer I - Technical Shop Floor Support is responsible for the manufacturing assessment of non-conformities, late changes to support production, and supporting and…
Added 6 mins ago
Staff Manufacturing Engineer - Technical Shop Floor Support
Airbus Americas, Inc.
Mobile Area, AL
Airbus US Manufacturing Facility is looking for a Staff Manufacturing Engineer to join our A320 Engineering Department based in Mobile, AL.
Added 10 mins ago
Analytics Engineer (X)
SpaceXSI
Palo Alto, CA
…our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more…
Added 11 mins ago
Senior Software Engineer II
Samsara
Remote, United States
We are looking for a product-minded senior engineer who can own ambiguous problems end to end, make practical tradeoffs across surfaces, and ship work that holds up in the field. You will…
Added 11 mins ago
IG
Software Quality Engineer
Insight Global
Sunset Hills, MO
- $35 to $40 USD / hour
We are seeking a Junior Software Quality Engineer with strong test automation experience and prior hands-on experience applying AI-assisted testing practices. In this role, you will help…
Added 12 mins ago
Data Warehouse/Microsoft Fabric Engineer
Parsons Transportation Group
Remote, United States
We are seeking a Data Warehouse Engineer to design, develop, and maintain scalable data warehouse solutions that support analytics, reporting, and application development. This role will…
Added 16 mins ago
G
Water/Wastewater Project Engineer (PE)
GPAC
Albany, NY
- $95,000 to $125,000 USD / year
An established civil and environmental engineering firm in Albany is hiring a licensed PE to lead water and wastewater design projects for municipal and utility clients.
Added 16 mins ago
G
Water/Wastewater Project Engineer (PE)
GPAC
Raleigh, NC
- $95,000 to $125,000 USD / year
An established civil and environmental engineering firm in Raleigh is hiring a licensed PE to lead water and wastewater design projects for municipal and utility clients.

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.

Find open jobs More jobs with this employer

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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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