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Senior Java Developer C2C Jobs in Massachusetts (NOW HIRING)

Senior Java Software Engineer

Boston, MA · On-site

$135.80K - $178.70K/yr

We are currently seeking an experienced Java-experienced Software Engineer to help us build next ... We are looking for a senior (7-10+ years) full-stack JavaDeveloper who wants to grow with our ...

Possess Effective verbal,written communications as well as strong organizational skills Java, JEE ... You will become a mentor to other developers to assure Liferay best practices and recommendations ...

Java, JEE, Spring and Tomcat are a must. * Web-services integration and RESTful is a plus * 7+ ... You will become a mentor to other developers to assure Liferay best practices and recommendations ...

Sr. Software Engineer Java

Boston, MA

$135.80K - $178.70K/yr

Job Role: Sr. Software Engineer Java Location: Boston-, MA Duration: 3-6 Months CTH Qualifications Ability to perform all phases of software engineering including requirements analysis, application ...

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Senior Java Developer C2C information

What are the key skills and qualifications needed to thrive as a Senior Java Developer (C2C), and why are they important?

To thrive as a Senior Java Developer (C2C), you need expert-level proficiency in Java, object-oriented programming, system architecture, and a solid foundation in computer science, usually supported by a bachelor’s degree or higher. Familiarity with frameworks like Spring, Hibernate, RESTful APIs, version control systems such as Git, and build tools like Maven or Gradle, along with experience in Agile methodologies, is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills and qualities are crucial for delivering robust, scalable software solutions and ensuring project success in dynamic environments.

What are some common challenges Senior Java Developers face when working on C2C (Corp-to-Corp) contracts?

Senior Java Developers working on C2C contracts often encounter challenges such as quickly adapting to new project environments, understanding diverse client requirements, and integrating with teams that may have established workflows or legacy systems. Additionally, they need to manage their own business operations, including invoicing and compliance, while maintaining high productivity and technical standards. Effective communication and self-management are essential, as C2C roles may offer less direct supervision compared to traditional employment.

What is a Senior Java Developer C2C?

A Senior Java Developer C2C is an experienced software engineer who specializes in Java programming and works on a 'Corp-to-Corp' (C2C) basis. This means the developer provides services through their own corporation or business entity, rather than as a direct employee or independent contractor. Senior Java Developers are responsible for designing, developing, and maintaining complex Java applications, leading projects, and mentoring junior developers. C2C arrangements are common in IT contracting, particularly in the United States, and typically require the developer to handle their own business taxes and legal compliance.

What is the difference between Senior Java Developer C2C vs Java Software Engineer?

AspectSenior Java Developer C2CJava Software Engineer
CredentialsJava certifications, experience in Java SE/EEJava certifications, similar experience
Work EnvironmentContract-based, client-site or remote, project-focusedFull-time, in-house or remote, development team
Industry UsageFreelance/contract roles across industriesPermanent roles in tech companies or enterprises
Search IntentContract Java roles, freelance Java jobsFull-time Java developer positions

While both roles require Java expertise and similar certifications, Senior Java Developer C2C typically involves contract-based, project-specific work often on a freelance basis. Java Software Engineer usually refers to full-time, in-house roles within organizations. The choice depends on whether you're seeking flexible contract work or a permanent position.

What are the most commonly searched types of Java Developer C2C jobs in Massachusetts? The most popular types of Java Developer C2C jobs in Massachusetts are:
What are popular job titles related to Senior Java Developer C2C jobs in Massachusetts? For Senior Java Developer C2C jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer C2C jobs in Massachusetts look for? The top searched job categories for Senior Java Developer C2C jobs in Massachusetts are:
What cities in Massachusetts are hiring for Senior Java Developer C2C jobs? Cities in Massachusetts with the most Senior Java Developer C2C job openings:
Senior Data Engineer - Enterprise Data Frameworks (Java Spark Focus)

Senior Data Engineer - Enterprise Data Frameworks (Java Spark Focus)

Citizens

Westwood, MA • On-site, Remote

$105K - $158K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago


Job description

Description

Senior Java Data Engineer
Enterprise Data Frameworks

Role Summary

The Enterprise Data Frameworks team is seeking a Senior Java focused software engineer who builds and maintains large scale data processing systems using Java, Apache Spark, and Kafka. This role is intended for experienced backend engineers with strong core Java fundamentals who apply traditional software engineering practices to data intensive platforms and distributed systems.

The ideal candidate has hands on experience developing production grade Java applications using modern frameworks and IntelliJ based development workflows, paired with practical experience building Spark based processing pipelines and Kafka driven data ingestion services. In this role, you will contribute to the core components of enterprise data frameworks, working closely with senior engineers and architects while remaining deeply involved in design and implementation.

This role requires strong Java engineering skills, the ability to debug and optimize complex Spark applications, and comfort operating in regulated environments where stability, data quality, and reliability are critical.


Key Responsibilities

Design, build, and maintain Java based data processing pipelines using Apache Spark for batch and streaming workloads
Develop and support Java based backend services and APIs that orchestrate data workflows and framework components
Apply solid object oriented design principles to distributed data processing systems
Optimize Spark applications for performance, reliability, and cost efficiency across cloud and on premises environments
Collaborate with architects and senior engineers on technical design and framework evolution
Partner with frontend and platform teams to integrate backend data services where applicable
Translate business and technical requirements into scalable, well structured engineering solutions
Participate in code reviews, contribute to shared standards, and mentor junior engineers
Ensure solutions align with data governance, security, and change management standards
Participate in Agile ceremonies and support continuous improvement of engineering practices


Required Skills and Experience

7+ years of experience as a software engineer or data engineer with strong emphasis on Java backend development
Strong hands on proficiency in Java, including object oriented design, debugging, and performance optimization
Experience building Spark applications in Java for large scale data ingestion and transformation
Practical experience with Apache Kafka and event driven data architectures
Experience developing Java based services using frameworks such as Spring Boot
Solid understanding of distributed systems concepts and data processing architectures
Familiarity with data lake technologies, columnar storage formats such as Parquet or Iceberg, and metadata driven frameworks
Experience using Git based workflows, CI CD pipelines, and modern development practices
Exposure to cloud environments, with preference for AWS based data platforms such as S3, EMR, Lambda, or API Gateway
Experience working in regulated or enterprise environments with strong data governance requirements


Preferred Experience

Experience collaborating with UI or platform teams to integrate backend data services
Experience with containerization and orchestration tools such as Docker or Kubernetes
Exposure to additional JVM or scripting languages such as Scala or Python in a data context
Experience with developer productivity or automation tooling


Education

Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field


Work Details

Hours per Week 40
Location Hybrid, 4 days on site from a Citizens corporate office, 1 day remote
Schedule Monday through Friday

Pay Transparency

The salary range for this position is $105,000-158,000 per year, plus an opportunity to earn an annual discretionary bonus. Actual pay is based on various factors including but not limited to the work location, and relevant skills and experience.  

We offer competitive pay, comprehensive medical, dental and vision coverage, retirement benefits, maternity/paternity leave, flexible work arrangements, education reimbursement, wellness programs and more. Note, Citizens' paid time off policy exceeds the mandatory, paid sick or paid time-away policy of very local and state jurisdiction in the United States. For an overview of our benefits, visit https://jobs.citizensbank.com/benefits.

#LI-Citizens1

Some job boards have started using jobseeker-reported data to estimate salary ranges for roles. If you apply and qualify for this role, a recruiter will discuss accurate pay guidance.

Equal Employment Opportunity

Citizens, its parent, subsidiaries, and related companies (Citizens) provide equal employment and advancement opportunities to all colleagues and applicants for employment without regard to age, ancestry, color, citizenship, physical or mental disability, perceived disability or history or record of a disability, ethnicity, gender, gender identity or expression, genetic information, genetic characteristic, marital or domestic partner status, victim of domestic violence, family status/parenthood, medical condition, military or veteran status, national origin, pregnancy/childbirth/lactation, colleague's or a dependent's reproductive health decision making, race, religion, sex, sexual orientation, or any other category protected by federal, state and/or local laws. At Citizens, we are committed to fostering an inclusive culture that enables all colleagues to bring their best selves to work every day and everyone is expected to be treated with respect and professionalism. Employment decisions are based solely on merit, qualifications, performance and capability.

Education:Why Work for UsEmployment Type: 1ST