Top 7 Staff software engineer Jobs in Portland, Me

Staff Software Development Engineer – Agentic Applications and Experiences
WEX Inc. —Portland, ME
- $140,600 - $173,100 a year
- Full-time
- Computer science
- 7 years
- Computer Science
- Health savings account
- Disability insurance
Embedded Software Engineer
Avery Weigh-Tronix —Portland, ME
- $78,400 - $130,000 a year
- Full-time
- Remote
- Engineering
- Analysis skills
- Math
Principal Embedded Firmware Engineer
Enercon Technologies —Gray, ME
- Full-time
- Management
- Computer Science
- Mentoring
Staff Software Engineer - Full Stack
Ark PES —United States
- $150,000 - $205,000 a year
- Full-time
- Remote
- 7 years
- Computer Science
- Research
- Paid holidays
- Health insurance
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Senior Healthcare Integration Consultant - EDI 834 & Eligibility
Proactive Logic Consulting Inc —United States
- $75 - $110 an hour
- Contract
- Remote
- System design
- HIPAA
- Java
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Principal Software Engineer - Full Stack
Ark PES —United States
- $130,000 - $180,000 a year
- Full-time
- Remote
- Computer Science
- Research
- Java
- Health insurance
- Dental insurance
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Staff Software Development Engineer – Agentic Applications and Experiences

WEX Inc. -
Portland, ME

Apply Now

Job Details

Full-time
$140,600 - $173,100 a year

Benefits

Health savings account
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Tuition reimbursement
Paid time off
Vision insurance
Life insurance
Retirement plan

Qualifications

Index optimization
Elasticsearch
Software engineering
High availability solutions design
Infrastructure as Code (IaC)
Enterprise software
Improving system uptime or availability
Data structures
Data analysis skills
Scalable systems
Enterprise software systems development
Query execution time improvement
Algorithm design
Scalability
Cloud automation
Real-time data processing implementation
High availability

Full Job Description

The WEX Fleet Services team which owns the Over the Road experiences is transforming the future of fleet payments by building agentic, scalable solutions that power WEX’s industry-leading fuel card platform. We design and develop new capabilities that enable delightful experiences for both internal and external customers, creating the foundation for new products, services, and business opportunities.

We are looking for a passionate Senior Software Development Engineer who enjoys solving complex problems, passionate about learning and experimenting, building innovative solutions, and collaborating with a talented engineering team. In this role, you will play a key part in designing, developing, and enhancing agentic solutions in a cloud-native environment using industry-leading AI tools/platforms, Java, AWS, Kafka event streaming, Elasticsearch, containerization, and API-driven architectures.

This is an opportunity to join an agile, collaborative team where engineers have ownership, make meaningful technical contributions, and deliver solutions that directly impact WEX’s customers and business growth.

How You’ll Make an Impact

Design, develop, and deliver delightful product experiences that are powered by Agentic capabilities, scalable, reliable software solutions using modern technologies such as Java, Kafka, Elasticsearch, and cloud-native platforms.
Contribute to architecture and design decisions that support highly available, secure, and scalable systems.
Build and maintain clean, efficient, well-tested, and maintainable code.
Develop and optimize RESTful APIs and backend services.
Participate in code reviews, technical discussions, and collaborative problem-solving sessions.
Troubleshoot, debug, and resolve complex technical challenges.
Work across technology stacks and quickly adapt to new tools and frameworks.
Stay current with emerging technologies and industry best practices to continuously improve engineering practices.
Ensure operational excellence and best customer experience for all the products and systems owned by the team.

Experience You’ll Bring

Bachelor’s degree in Computer Science, Engineering, or a related technical field.
7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.
Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.
Proficiency with event streaming platforms such as Kafka.
Experience with Elasticsearch, including indexing strategies, query optimization, and data analysis.
Experience working with cloud platforms such as AWS.
Strong understanding of software engineering principles, including data structures, algorithms, object-oriented design, scalability, availability, and reliability.
Strong problem-solving skills with the ability to analyze complex technical challenges.
Excellent written and verbal communication skills with a collaborative mindset.

Preferred Qualifications

Master’s degree in Computer Science, Software Engineering, or a related field.
8+ years of software engineering experience.
Experience and knowledge in building Agentic/AI solutions for real world problems.
Experience designing and implementing event-driven architectures.
Experience working with card payments or financial services platforms.
Hands-on experience with cloud-native technologies including Docker and Kubernetes.
Knowledge of API security principles and PCI DSS compliance requirements.
Experience working within existing codebases and improving legacy systems.
Strong backend development expertise with Java or C#, including frameworks such as Spring Boot.
Experience designing, building, and optimizing RESTful APIs, OData services, and SQL-based solutions.
Proven experience developing internet-scale services with a focus on scalability, security, availability, and reliability.

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

Apply Now

Refine Your Search

staff software engineer jobs in portland, me

Staff Software Development Engineer – Agentic Applications and Experiences

Embedded Software Engineer

Principal Embedded Firmware Engineer

Staff Software Engineer - Full Stack

Senior Healthcare Integration Consultant - EDI 834 & Eligibility

Principal Software Engineer - Full Stack

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