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Senior Java Developer Jobs in Maine (NOW HIRING)

NinjaOne

Other duties as needed About You * 10+ years' experience in DevOps and/or Site Reliability ... preferably Java, .NET or C++) * Intermediate+ level Linux administration, scripting, and ...

WEX, Inc.

Sr. Manager, Software Development

Portland, ME · On-site

$175.60K - $204.30K/yr

Lead the engineering teams to drive automation, code integration and code deployment to reduce ... Java or C#; * Relational dbs (Informix, Postgres, MySQL) or No SQL dbs (DynamoDB). * RESTful API ...

eNett

Sr. Manager, Software Development

Portland, ME · On-site

$175.60K - $204.30K/yr

Lead the engineering teams to drive automation, code integration and code deployment to reduce ... Java or C#; * Relational dbs (Informix, Postgres, MySQL) or No SQL dbs (DynamoDB). * RESTful API ...

WEX

Sr. Manager, Software Development

Portland, ME

$175.60K - $204.30K/yr

Lead the engineering teams to drive automation, code integration and code deployment to reduce ... Java or C#; * Relational dbs (Informix, Postgres, MySQL) or No SQL dbs (DynamoDB). * RESTful API ...

Maine

Senior Programmer Analyst

Augusta, ME · Hybrid

$71.99K - $101.16K/yr

... Senior Programmer Analyst to help build and support software applications for the Department ... Five years' experience with Java developing and supporting software applications, websites, web ...

NinjaOne

$117K - $154.20K/yr

NinjaOne is built on Java , Kotlin , C++ , Golang and Postgres ; supporting millions of user ... Solid understanding of Microservices Architecture and DevOps principles. * Experience that will ...

State of Maine

Senior Programmer Analyst

Augusta, ME · On-site

$71.99K - $101.16K/yr

... seeking a Senior Programmer Analyst to help build and support software applications for the ... Five years' experience with Java developing and supporting software applications, websites, web ...

NinjaOne

About the Role We are looking for a Senior Software Engineer to join one of our Product Development ... in Java. * Ability to work in a cloud-native environment (AWS); experience with deployment ...

NinjaOne

... Senior Android Engineer to help us drive that vision forward! As a key player in our rapidly ... NinjaOne is built on Java, Kotlin, C++, Golang and Postgres, supporting millions of user endpoints ...

eNett

Staff Software Development Engineer

Portland, ME · Remote

$140.60K - $173.10K/yr

Provide technical mentorship and guidance to mid-level and senior engineers, fostering a culture of ... Modern Java Stack: Expert-level proficiency in Java 17/21, Spring Boot 3.x, and Spring Cloud.

WEX

Staff Software Development Engineer

Portland, ME · Remote

$140.60K - $173.10K/yr

Provide technical mentorship and guidance to mid-level and senior engineers, fostering a culture of ... Modern Java Stack: Expert-level proficiency in Java 17/21, Spring Boot 3.x, and Spring Cloud.

NinjaOne

About the Role We are seeking a Senior Release Manager to drive and scale release management for ... engineers, but experience in our stack can't hurt: NinjaOne is built on Java , Kotlin , C ...

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How much do senior java developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for senior java developer in Maine is $60.83, according to ZipRecruiter salary data. Most workers in this role earn between $53.32 and $67.98 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are the most commonly searched types of Java Developer jobs in Maine? The most popular types of Java Developer jobs in Maine are:
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Senior Java Developer jobs near you
Senior Software Engineer - Data Acquisition

Senior Software Engineer - Data Acquisition

WEX, Inc.

Portland, ME • On-site

$121.50K - $145.50K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

WEX Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

10th of 17 rated payment service providers

Job description

About the Role
The Data Acquisition Team is the entry point to WEX's Data-as-a-Service (DaaS) platform-responsible for ingesting, validating, and orchestrating raw data from dozens of internal systems and third-party providers.
As a Senior Software Engineer, you'll play a key role in designing and building robust, scalable, and extensible pipelines that feed the entire data ecosystem at WEX. You'll work across multiple data domains and ingestion patterns-batch, streaming, and event-driven-while ensuring quality, performance, and governance are embedded in every step.
WEX is undergoing a data platform transformation-and this team builds the foundation. Every pipeline you create contributes directly to powering analytics, automation, and product intelligence across all business domains.
If you're passionate about scaling data platforms from the ground up, this is your chance to help shape how WEX ingests and leverages its most valuable asset: data.
What You'll Do
  • Build and maintain high-performance data acquisition pipelines that integrate with a variety of systems across WEX and third-party vendors.
  • Contribute to the development of a modular ingestion platform that enables reusability, reliability, and observability at scale.
  • Implement core pipeline components such as schema validation, transformation orchestration, error handling, and audit logging.
  • Support batch and streaming ingestion flows, ensuring the platform meets varying latency and volume requirements across business units.
  • Ensure traceability, lineage, and security through integration with control plane and governance systems.
  • Participate in code reviews, design sessions, and incident resolution-promoting high standards for code quality and operational reliability.

What You Bring
  • B.Sc. in Computer Science, Engineering, or related technical field; M.Sc. a plus but not required.
  • 4+ years of experience as a software engineer, ideally in high-volume or distributed systems environments.
  • Strong programming skills in Python, Java, Scala, or another systems-focused language.
  • Experience with data integration and ingestion pipelines-you understand what it means to bring data in from source systems, transform it, and deliver it reliably downstream.
  • Solid grasp of engineering fundamentals, including version control, modular design, testing, and performance tuning.
  • AI-Augmented Productivity: Proficiency in using AI coding assistants (e.g., GitHub Copilot, Cursor, or Claude Dev) to accelerate the Software Development Life Cycle (SDLC), including automated unit test generation, refactoring, and documentation.
  • Specification-First Architecture: Deep understanding of specification-driven development. Ability to author and maintain rigorous technical specifications (using OpenAPI, AsyncAPI, or Protocol Buffers) that serve as the "source of truth" before implementation begins.
  • Prompt Engineering for Engineers: Ability to craft complex, context-rich prompts to solve architectural problems, debug legacy systems, and translate business requirements into technical scaffolds.
  • Familiarity with concepts like schema evolution, event-driven architectures, observability, and role-based access control.
  • A collaborative mindset-comfortable working across domains, products, and infrastructure layers.
  • A strong sense of ownership and accountability-you care deeply about building systems that last.

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: $121,500.00 - $145,500.00

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