Senior Java Backend Developer

Techvilla Solutions

Fishers Island, NY

Primary Responsibilities

Design, develop, test, and maintain scalable Java backend applications and services .
Develop and maintain RESTful APIs and microservices using Java and Spring Boot.
Analyze business and technical requirements and translate them into robust technical solutions.
Design and implement efficient backend architectures with a focus on scalability, performance, security, and maintainability .
Develop database solutions using SQL and relational databases .
Troubleshoot application, API, database, and production issues.
Perform code reviews and provide technical guidance to other developers.
Write clean, maintainable, reusable, and well-tested code.
Develop unit and integration tests and participate in overall application quality initiatives.
Collaborate with frontend developers, QA engineers, DevOps teams, architects, and business stakeholders.
Participate in Agile/Scrum ceremonies, sprint planning, and technical discussions.
Support CI/CD pipelines, application deployments, and production releases.
Identify opportunities for improving application performance, reliability, and development processes.

Required Skills & Experience

6+ years of professional software development experience with strong hands-on experience in Java.
Strong proficiency in Java 8+ , including object-oriented programming, collections, multithreading, exception handling, and Java APIs.
Hands-on experience with Spring Boot, Spring Framework, and Spring MVC .
Strong experience developing RESTful APIs and microservices .
Good understanding of microservices architecture and distributed systems .
Strong SQL skills and experience with relational databases such as Oracle, PostgreSQL, or MySQL .
Experience with JPA/Hibernate or similar ORM technologies.
Experience with JUnit, Mockito , or similar testing frameworks.
Strong understanding of Git and software development best practices.
Experience working in Agile/Scrum development environments.
Strong troubleshooting, debugging, analytical, and problem-solving skills.
Ability to work independently and effectively collaborate with distributed technical teams.

Preferred Skills

Experience with AWS, Azure, or Google Cloud .
Experience with Docker and Kubernetes .
Knowledge of Kafka or other messaging/event-streaming technologies .
Experience with Redis or other caching technologies .
Familiarity with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps .
Experience with application monitoring and observability tools.
Understanding of OAuth2, JWT, API security, and secure coding practices .
Experience with performance tuning and optimization of backend services.

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field preferred.
Equivalent professional experience may be considered.

Apply

Vacancy posted 21 hours ago

Similar jobs that could be interesting for youBased on the Senior Java Backend Developer in Fishers Island, NY vacancy

Java Full Stack Architect
...Job Summary We are seeking an experienced Java Full Stack Architect to lead the design, development, and deployment of scalable enterprise... ...~ TypeScript ~ REST APIs Experience designing and developing payment applications and transaction-processing systems....
Suggested
PB consulting
Fishers Island, NY
3 days ago
Senior SQL Server DBA
...We are seeking an experienced Senior SQL Server Database Administrator (DBA) to manage and support enterprise Microsoft SQL Server environments... ...upgrades, migrations, patching, and maintenance activities. Develop, review, and optimize SQL queries, stored procedures, indexes,...
Senior
Neshent Technologies
Fishers Island, NY
3 days ago
Columbia S1B Ship Design Program Rep, Senior/Specialist/Principal
...Responsibilities for this Position Columbia S1B Ship Design Program Rep, Senior/Specialist/Principal US-CT-Groton Job ID: 2026-20194 Type: Full-Time # of Openings: 1 Category: Business Support EB Groton Shipyard Overview The COLUMBIA S1...
Senior
Full time
Contract work
Work at office
Electric Boat
Groton, CT
3 days ago
Senior Mobile Application Developer
...performs the leadership, programming, and analysis required to develop the architecture given for an enterprise mobile application solution... ...more of the following languages: Springboot, Angular, SQL, XML, JAVA, .Net, JavaScipt or other necessary programming languages.Five...
Senior
Permanent employment
Full time
Work experience placement
Work at office
Flexible hours
Shift work
Afternoon shift
Mohegan Sun
Uncasville, CT
2 days ago
Senior Submarine Main Machinery Acoustic Engineer
...for main machinery, with mentorship of junior engineers and collaboration with internal and external teams. The candidate will develop acoustic calculations, review vendor submittals, and lead projects, leveraging FEM/SEA techniques and #J-18808-Ljbffr Jobleads-US
Senior
Jobleads-US
Groton, CT
17 hours ago
Principal Ocean Systems Engineer Communications
Principal Ocean Systems EngineerA confidential defense employer in Groton, Connecticut, seeks a Principal Ocean Systems Engineer to drive innovation in undersea communications and sonar systems. This full-time direct-hire role is an opportunity to shape next-generation...
Full time
Top Engineer
Groton, CT
2 days ago
CPA/Senior Tax Preparer
...Tax Senior/Specialist / Senior Specialist As a member of the General Dynamics Marine Segment Tax Team, based at Electric Boat Corporation in Groton, Connecticut, the Tax Specialist, Sr. will partner with key business counterparts and other members of the General Dynamics...
Senior
Local area
Weekend work
General Dynamics
Groton, CT
3 days ago
Senior Quantity Surveyor
$53.5 per hour
...Job Description: Senior Quantity Surveyor in New London, United States Location: New London, United States Start Date: 14 April 2026 Pay Rate: $53.50 Per Hour Job Description: We are currently seeking a highly skilled Senior Quantity Surveyor to join...
Senior
Hourly pay
Full time
For subcontractor
Spencer Ogden
New London, CT
2 days ago
Senior Spectroscopy Scientist (NMR)
...Development and Manufacturing Organisations. It also has a rapidly developing presence in highly specialised and molecular clinical... ...performing stocks in Europe over the past 20 years.Job DescriptionThe Senior Solid State NMR Scientist provides laboratory support in solid-...
Senior
Full time
Contract work
Monday to Friday
Eurofins
Groton, CT
4 hours ago
Senior Accountant
...financial and business needs. Our goal is to maintain a small firm feel, while still providing big firm opportunities. As a Senior Accountant, you will: Prepare Federal and State tax returns for individuals, trusts, estates, businesses, and not-for-profits...
Senior
Internship
Flexible hours
Hoyt, Filippetti, and Malaghan LLC
Groton, CT
11 days ago
Senior Software Engineer, Cloud Systems
...Job Description Job Description Job Title: Senior Software Engineer Job Category/Department: Engineering Reporting to... ...and reviewing code, creating and maintaining documentation, and developing and reviewing design proposals. A senior software engineer can:...
Senior
Full time
Temporary work
Remote work
ThayerMahan
Groton, CT
a month ago
Senior Materials Scientist
...studies, as well as having an emerging global presence in Contract Development and Manufacturing Organisations. It also has a rapidly developing presence in highly specialised and molecular clinical diagnostic testing and in-vitro diagnostic products. In over 30 years,...
Senior
Full time
Contract work
Weekend work
Eurofins PSS Insourcing Solutions
New London, CT
1 day ago
Senior Occupational Therapist - Rehab Therapies
...care professionals and colleagues in the community; making appropriate referrals to other members of the rehabilitation team, developing and implementing new programs/techniques to enhance rehabilitation services; adhering to Reliant Rehabilitation and client...
Senior
Relief
Work at office
Flexible hours
Shift work
Day shift
Reliant Rehabilitation
Waterford, CT
1 day ago
Senior Physical Therapist - Homecare (Full Time)
...professionals and colleagues in the community. # making appropriate referrals to other members of the rehabilitation team, # developing and implementing new programs/techniques to enhance rehabilitation services. # adhering to Reliant Rehabilitation and client...
Senior
Full time
Work at office
Shift work
Reliant Rehabilitation
Waterford, CT
2 days ago
Speech Language Pathologist Senior Living
...care professionals and colleagues in the community; making appropriate referrals to other members of the rehabilitation team, developing and implementing new programs/techniques to enhance rehabilitation services; adhering to Reliant Rehabilitation and client...
Senior
Part time
Relief
Work at office
Shift work
Reliant Rehabilitation
Waterford, CT
3 days ago
Senior Cheminformatics Python Engineer / Chemistry Data Engineer
...control rules for chemistry datasets used in analytics and AI/ML initiatives. Python Development & Automation: Design and develop Python-based applications, APIs, libraries, and automated workflows for chemistry and scientific data processes. Build scalable...
Senior
Purple Drive
Groton, CT
19 days ago
Remote Senior Mechanical Systems Engineer
$130k - $160k
...About Skyven At Skyven Technologies, we have developed a revolutionary high-temperature heat pump that produces industrial steam at a lower... ...that works in the field. About the Role We are looking for a Senior Mechanical Systems Engineerwho exemplifiesstrong engineering...
Senior
Remote work
Flexible hours
GrabJobs
Groton, CT
5 hours ago
Senior Product Engineer
...played a part in making that happen? Are you an experienced Senior Product Engineer with an expertise in Casting who enjoys solving... ...working as one team to achieve more, together. Whether you're developing precision-engineered components, running world-class manufacturing...
Senior
doncastersexternalcareersite
Groton, CT
4 hours ago
Senior Financial Analyst
The Senior Financial Analyst will be responsible for providing high-level financial analysis, insights, and strategic recommendations to support business decision-making to the business unit CFO and FP&A manager. This role involves complex financial modeling, budgeting...
Senior
Full time
Work at office
Foster McKay
New London, CT
1 day ago
Occupational Therapy Assistant Senior Living
...Effective clinical problem-solving skills to include but not limited to: identify and prioritize issues in a responsive manner, develop sound and innovative action plans, execute action plans on a timely basis, and ensure appropriate results Be a strong team player...
Senior
Relief
Flexible hours
Shift work
Day shift
Reliant Rehabilitation
Waterford, CT
1 day ago
Senior Mechanical Engineering Tech I
...Job Title: Senior Mechanical Engineer Location: Groton, CT (In-Person, Full-Time) Department: Mechanical Engineering Reports... ...employer match), and other great benefits. Opportunity to continue to develop your career at a growing organization. ThayerMahan is an...
Senior
Full time
ThayerMahan Inc
Groton, CT
2 days ago
Senior Relay Technician - Utility & High-Voltage Protection - Union
...Electrical Testing , safety is not a priority—it is our foundation. The Senior Relay Technician plays a critical role in ensuring the safe,... ...discussions Serve as a technical resource and trainer for developing relay technicians Travel Requirements: Work is performed at...
Senior
Apprenticeship
Local area
Immediate start
Utilities Service Co Inc
New London, CT
2 days ago
Systems Test Engineering, Senior
...Responsibilities for this Position Test Engineer Senior - Systems US-CT-Groton Job ID: 2026-20670 Type: Full-Time #... ...throughout the ship for monitoring and control. The HMC system team develops and maintains the system software and hardware, utilizing the...
Senior
Full time
Electric Boat
Groton, CT
4 days ago
Senior Chemist, Organic Chemistry
$93.6k - $156k
...for technology transfer to Pfizer manufacturing sites and third-party facilities.The successful candidate will design, enable and develop scalable processes to pharmaceutical drug candidates, applying innovative chemistries, new technologies and statistical experimental...
Senior
Permanent employment
Full time
H1b
Local area
Visa sponsorship
Work visa
Relocation package
Pfizer
Groton, CT
1 day ago
Senior Mechanical Engineering Tech I
$104k
...Job Description Job Description Senior Mechanical Engineer |New London, CT | Direct Hire | Up to $104,000 DOE What Matters... ...to join a highly collaborative engineering team responsible for developing innovative mechanical products used in mission-critical infrastructure...
Senior
Work at office
The Reserves Network Inc
New London, CT
a month ago
Senior Relay Technician - Utility & High-Voltage Protection - Union
...Electrical Testing , safety is not a priority—it is our foundation. The Senior Relay Technician plays a critical role in ensuring the safe,... ...discussions Serve as a technical resource and trainer for developing relay technicians Travel Requirements Work is performed at...
Senior
Apprenticeship
Local area
Immediate start
Asplundh Electrical Testing
New London, CT
5 days ago
AI/ML Engineer
...libraries\nExperience working with and analyzing large-scale datasets\nUnderstanding of Java applications and software development lifecycle (SDLC) processes\nExperience developing, training, testing, and deploying machine learning models\nStrong problem-solving and analytical...
Insight Global
Groton, CT
4 days ago
Senior Maintenance/Custodian
...Teamwork Makes Us Stronger, & Everyone Brings Value! Schedule: Monday through Friday, 9:00 AM to 3:00 PM CW is seeking a dependable Senior Janitor to perform daily custodial duties while providing hands‑on guidance and support to team members, helping maintain a clean,...
Senior
Contract work
Temporary work
Local area
Monday to Friday
Shift work
CW Resources, Inc.
New London, CT
5 days ago
Senior Associate, Platform Engineer
$79.4k - $132.4k
...manufacturing, commercial and enabling functions across all geographies. The team is responsible for the self-service platform ecosystem, developer experience, and exploration of emerging technology. Part of the Data and AI Platforms team are a group of Platform Engineers...
Senior
Permanent employment
Full time
H1b
Local area
Visa sponsorship
Work visa
Relocation package
Flexible hours
Pfizer
Groton, CT
3 days ago
Sr Network Engineer
Title: Sr Network Engineer Location: Groton, CT Hybrid 4 days onsite Visa: USC only with Security Clearence Sr. Network Engineer with 4+ years of experience, CCNA & PCNSE certified, skilled in SD-WAN, VPN/IPSec/SSL tunnels, routing/switching (OSPF, BGP), Palo Alto NGFW...
Senior
3B Staffing LLC
Groton, CT
4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Java Backend Developer. Be the first to apply!