Jobs in the United States

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Added 2 mins ago
Senior Software Engineer (Institutional, Financing)
Coinbase
Pierre, SD
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
XE
Mobile Facilities Maintenance Technician I - Sioux Falls, SD
Xcel Energy
Sioux Falls, SD
- $47.77 USD / hour
Xcel Energy is a place where you’ll have opportunities to grow, expand your skills, and help lead the clean energy transition. We offer meaningful rewards, recognition, and support to help…
Added 2 mins ago
Senior Telecom Engineer
Maximus
Pierre, SD
Maximus is seeking an experienced Senior Telecom Engineer to lead the design, implementation, and optimization of Genesys Cloud solutions. This role is responsible for executing large-scale…
Added 2 mins ago
Mechanical Engineer, Data Center Operations Engineering
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Meta is seeking a Mechanical Engineer to join our Data Center Operations Engineering team. Our data centers are the foundation upon which our rapidly growing infrastructure efficiently…
Added 5 mins ago
Staff Software Engineer - Virtualization
General Motors
Jefferson City, MO
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Added 5 mins ago
GI
Senior Software Engineer
GitHub, Inc.
United States
- $127,800 to $339,000 USD / year
As a software engineer at GitHub, you will enhance the collaboration experience at GitHub by working closely with a community of engineers and designers with a distributed, diverse and…
Added 7 mins ago
LR
Research Materials Engineer, AST, Aerospace Materials
Langley Research Center
Egg Harbor Township, NJ
- $117,284 to $152,471 USD / year
As a Research Material Engineer, AST, Aerospace Materials in the Durability, Damage Tolerance, and Reliability Branch, you will lead computational and experimental studies on…
Added 11 mins ago
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General Engineer
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Jacksonville, FL
- $106,437 to $138,370 USD / year
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Added 27 mins ago
Civil Engineer 4
CDM Smith
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Added 43 mins ago
Founder, AI Insurance
Forum Ventures
Remote, United States
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Added 44 mins ago
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Principal Application Software Engineer, Java & Cloud
Oracle
Jefferson City, MO
- $99,600 to $209,500 USD / year
Oracle Cloud Infrastructure (OCI) is looking for a Principal Application Software Engineer to help develop and evolve TDMS, a mission-critical software suite supporting manufacturing…
Added 46 mins ago
Cloud Solution Engineer (Genomics & AI)
Oracle
Jefferson City, MO
The opportunity Oracle is seeking a senior pre-sales engineer with expertise in genomics, software engineering, and applied AI/ML. You will help molecular diagnostics companies, genomics…
Added 1 hour ago
SC
Principal Consultant
Softchoice Corporati
Denver, CO
- $158,720 to $198,400 USD / year
…outcomes. We do this through the delivery of secure cloud, AI, software and digital workplace solutions that enable agility, innovation and…
Added 1 hour ago
SC
Principal Consultant
Softchoice Corporati
Denver, CO
- $158,720 to $198,400 USD / year
…outcomes. We do this through the delivery of secure cloud, AI, software and digital workplace solutions that enable agility, innovation and…
Added 1 hour ago
SL
: Slalom Flex (Project Based) - Product Intelligence Lead
Slalom, LLC
Denver, CO
- $90 to $95 USD / hour
Role: Slalom Flex (Project Based) - Product Intelligence Lead
Added 1 hour ago
Senior Software Engineer, Discover Feed Recommendations
Google
Mountain View, CA
Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to…
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Maintenance & Test System Engineer
Danfoss
Oragadam, IN
Update and enhance test software, hardware, and network configurations to improve system performance and testing effectiveness.
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Transportation Engineer
GPAC
Boston, MA
We are seeking a Transportation Engineer to join a dynamic, multi-disciplinary engineering consulting firm. This individual will contribute to the planning, design, and delivery of…
Added 1 hour ago
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Transportation Engineer
GPAC
Cambridge, MA
- $80,000 to $120,000 USD / year
We are seeking a Transportation Engineer to join a dynamic, multi-disciplinary engineering consulting firm. This individual will contribute to the planning, design, and delivery of…
Added 1 hour ago
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Electrical Engineer
GPAC
Dallas, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 1 hour ago
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Electrical Engineer
GPAC
Oklahoma City, OK
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 1 hour ago
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Transportation Engineer
GPAC
Somerville, MA
- $80,000 to $120,000 USD / year
We are seeking a Transportation Engineer to join a dynamic, multi-disciplinary engineering consulting firm. This individual will contribute to the planning, design, and delivery of…
Added 1 hour ago
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Electrical Engineer
GPAC
Tulsa, OK
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 1 hour ago
G
Electrical Engineer
GPAC
Memphis, TN
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 1 hour ago
G
Electrical Engineer
GPAC
Little Rock, AR
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…

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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