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Automation & Controls Software Engineer
Enchanted Rock Management LLC
Houston, TX
…customers up and running quickly, while supporting long-term grid development. ERock’s proprietary natural gas generators help critical facilities address grid constraints, interconnection…
Added 1 min ago
CNC Machining Process Engineer
Gibbs Die Casting Corp
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We’re looking for a hands-on Process Engineer to support and improve our casting and machining operations. In this role, you’ll take the lead on solving real production challenges -…
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Project Manager
GPAC
Biddeford, ME
- $90,000 to $130,000 USD / year
We are seeking an experienced Professional Engineer (PE) to join our Land Development team in a Project Manager capacity. This individual will play a key role in leading projects, managing…
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Bridge Engineer -PE
GPAC
Tallahassee, FL
- $115,000 to $135,000 USD / year
Are you an experienced Bridge Structural Engineer looking for a long-term opportunity with a firm that values technical expertise, leadership, and career growth?
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Manufacturing Equipment Engineer
GPAC
Ogden, KS
- $80,000 to $98,000 USD / year
Manufacturing Engineer • Equipment Engineer • Mechanical Engineer • Agricultural Equipment • Agricultural Machinery • Fabrication Equipment • Heavy Equipment • Product Design •…
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Manufacturing Equipment Engineer
GPAC
Milford, KS
- $80,000 to $98,000 USD / year
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Manufacturing Equipment Engineer
GPAC
Wamego, KS
- $80,000 to $98,000 USD / year
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Applications Architect (Enterprise Modernization & Cloud Migration) - (Active Top Secret/SCI Eligibility)
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Alexandria, VA
…architects, project managers and team leaders to ensure application development matches reference architectures and modernization…
Added 5 mins ago
Automation Engineer (Top Secret Clearance Required)
Akima, LLC
North Charleston, SC
As Automation Engineer, you will provide senior-level technical leadership for the design, integration, sustainment, and optimization of networked systems supporting NIWC RDT&E mission…
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Bridge Engineer -PE
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- $115,000 to $135,000 USD / year
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Manufacturing Equipment Engineer
GPAC
Abilene, KS
- $80,000 to $98,000 USD / year
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Added 5 mins ago
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Manufacturing Equipment Engineer
GPAC
Salina, KS
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Manufacturing Engineer • Equipment Engineer • Mechanical Engineer • Agricultural Equipment • Agricultural Machinery • Fabrication Equipment • Heavy Equipment • Product Design •…
Added 5 mins ago
Sr. Principal DevOps Engineer (AHT) - Position qualifies for sign-on bonus starting at $7k
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Northrop Grumman’s Space Systems Sector is looking for an experienced Sr Principal Cloud Engineer. This position can be based in Aurora, CO, Morrisville, NC or Sacramento, CA.
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DevOps Engineer or Principal DevOps Engineer - Position qualifies for sign-on bonus starting at $5k
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Northrop Grumman’s Space Systems Sector is looking for an experienced DevOps Engineer or Principal DevOps Engineer. This position can be based in Aurora, CO, Morrisville, NC or Sacramento,…
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Senior Software Engineer
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Northrop Grumman Aeronautics Systems has an opening for an Information Systems Engineer Manager 2 to join our team of qualified, diverse individuals within our Aircraft Solutions…
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Staff DevOps Engineer - Position qualifies for sign-on bonus starting at $10k
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Northrop Grumman’s Space Systems Sector is looking for an experienced Staff DevOps Engineer to augment our team. This position can be based in Aurora, CO, Morrisville, NC or Sacramento, CA.
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Staff Cloud Engineer - Position qualifies for sign-on bonus starting at $10k
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Semiconductor Equipment Engineer/ Principal Semiconductor Equipment Engineer
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Northrop Grumman Aeronautics Systems (NGAS) has an opening for an Advanced Automation Manufacturing Engineer Level 1 to join our team of qualified, diverse individuals. This position will…
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Resource Control Team Software Engineer (Level 1 or 2) - AHT
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2027 Associate Engineer / Engineer Aeronautical - WAFB MO
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Principal/Sr. Principal Structural Analysis Engineer (Active TS or SCI)
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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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