Senior Java Developer

Trillium StaffingEverett, MA

30+ days ago

Job type

Permanent

Job description

Senior Java Developer

Posted on September 5, 2025Published By

Trillium is looking for a Senior Java Developer!

The Executive Office of Education (EOE) is seeking a full stack , Angular, and TypeScript developer with expertise in Java to assist existing staff with maintenance tasks on circa 1990s Java code while migrating the legacy Java applications to , Angular, and TypeScript. EOE is fully implemented in AWS with our data warehouses in Snowflake. While we have applications working on Oracle databases and Microsoft SQLServer, we are standardizing on Postgres and Snowflake. The successful candidate would be able to perform legacy application archeology to recommend changes and assist when needed, but also able to translate older legacy code to a new clean, design utilizing Node, Angular and Typescript. EOE is utilizing a custom quick start framework to provide a full-stack toolkit, code patterns and design components, that accelerate delivery, promote consistency, and ensure best practices. Graphical UI components are created using PrimeFaces / PrimeNG ( / )

Core Responsibilities :

Full-Stack Development : Building and maintaining both the client-side (front-end) and server-side (back-end) components of web applications.

TypeScript Expertise : Writing clean, maintainable, and efficient code using TypeScript, a superset of JavaScript that adds static typing.

Angular Development : Designing, implementing, and testing user interfaces using the Angular framework.

Development : Creating server-side logic, APIs, and managing data using .

Java expertise : Assist developers in maintaining current code as needed while planning for and rewriting legacy applications

Database Object Relational Mapping (ORM) : Designing and interacting with databases using a database abstraction layer such as Sequelize or Hibernate.

API Integration : Integrating front-end applications with back-end APIs and third-party services.

Collaboration : Working closely with designers, back-end developers, and other team members to deliver high-quality software.

Code Quality : Ensuring code quality, conducting code reviews, and writing unit tests.

Performance Optimization : Optimizing application performance for speed and scalability.

Security : Implementing security best practices for both front-end and back-end.

Troubleshooting : Debugging and resolving software errors and issues.

Documentation : Maintaining comprehensive documentation for code, APIs, and architectural decisions.

Additional Responsibilities :

Participating in agile development processes.

Creating user-friendly and intuitive websites.

Managing data interchange between servers and users.

Ensuring high performance and responsiveness of applications.

Implementing security measures to protect data.

Staying up-to-date with emerging technologies.

If interested, please apply today!

Technical Skills :

Proficiency in TypeScript, JavaScript, HTML, and CSS.

Strong knowledge of Angular framework (versions 6 and above).

Experience with and for server-side development.

Experience with RESTful APIs and web services.

Proficiency in Java required, .NET ASP proficiency a plus

Familiarity with database systems (e.g., Oracle Postgres, Snowflake, MicrosoftSQL).

Understanding of software design patterns and best practices.

Experience with version control systems like Git.

Ability to write unit and integration tests.

Knowledge of front-end state management.

Understanding of asynchronous programming.

Experience with component-based architecture.

Familiarity with project management tools.

Knowledge of software security principles.

Soft Skills :

Strong problem-solving and analytical skills.

Excellent communication and collaboration skills.

Ability to work independently and as part of a team.

Strong attention to detail.

Ability to adapt to new technologies and industry trends.

Trillium has been recruiting and placing professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same : to achieve excellence by providing quality employees and an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of quality and skilled professionals. Trillium is an Equal Opportunity Employer.

Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for the employers and the California Fair Chance Act.

By applying to this job, I agree to receive electronic communications including SMS text and email regarding future opportunities, referral bonus incentives, and other promotions from Trillium. You may opt out at any time from future communications by responding STOP to any electronic communication. You may view our full privacy policy at .

Trillium offers a comprehensive benefit package that includes the ability to participate in health insurance and retirement plans, paid holidays, state required leave, and vacation days, if applicable. Trillium’s offerings are dependent on the state in which the assignment is located, length of time worked, and may change depending on assignment. Benefit packages for direct hire placements vary based on the client company.

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Senior Java Developer • Everett, MA