OPT Java Backend Engineer Jobs
Java Backend Engineer roles are among the most OPT-friendly positions in tech. Companies filing H-1B visa Labor Condition Applications regularly list Java as a core requirement, and the role's clear degree-to-job alignment, typically computer science or software engineering, makes OPT authorization straightforward. Standard OPT gives you 12 months; STEM OPT extends that to three years.
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Role description
Java Backend Engineer
Specialist I - Software Engineering
Who We Are:
Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.
UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.
With us, you’ll create a boundless impact that transforms your career—and the lives of people across the world.
You Are:
UST is looking for a strong Java Backend Engineer to work on a multi-vendor multi-geo team to help build a NextGen High Scale Enterprise Platform. This is strictly a work from office position and is not open to remote roles.
The opportunity:
- Designed, developed, and maintained enterprise-grade Java applications using Java 18+, adhering to object-oriented programming principles and design patterns.
- Developed and deployed Spring Boot microservices with RESTful APIs, dependency injection, exception handling, security, and ORM frameworks.
- Built scalable and resilient microservices-based architectures to support distributed business applications.
- Implemented and managed event-driven systems using Apache Kafka, including producers, consumers, topic management, message serialization, and performance tuning.
- Deployed, monitored, and managed containerized applications on Kubernetes, including pod configuration, service discovery, scaling, and troubleshooting.
- Worked with Microsoft Azure services such as Azure App Services, Azure Functions, Azure SQL Database, and Azure Cosmos DB for cloud-native application deployment and management.
This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.
What you need:
- Bachelor’s degree in computer science, or a related field is required as it is a complex specialized program
- Experience in working Java Version 18 or above is mandatory
- 3-4 years of hands-on experience with Kafka
- 2-3 years of solid experience in Kubernetes
- Strong programming skills in Java, including object-oriented programming principles, design patterns, and familiarity with Java frameworks
- Understanding of microservices architecture and experience in building and deploying microservices-based applications
- Hands-on experience in developing Spring Boot applications, including dependency injection, ORM (Object-Relational Mapping), and REST API development
- Knowledge of Microsoft Azure cloud platform, including Azure App Service, Azure Functions, Azure SQL or Cosmos DB
- Familiarity with Continuous Integration (CI) and Continuous Deployment (CD) practices, including automated testing, build pipelines, and deployment strategies
- Proficiency in writing SQL queries as per industrial standards, fine-tuned for optimization
- Strong problem-solving abilities, good communication (written & verbal) skills, and the ability to work effectively in a team are also important for this role
Role Location: California
Compensation Range: $94,000-$141,000
Benefits
Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.
Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.
Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.
Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).
All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.
What we believe:
We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.
Humility:
We will listen, learn, be empathetic and help selflessly in our interactions with everyone.
Humanity:
Through business, we will better the lives of those less fortunate than ourselves.
Integrity:
We honor our commitments and act with responsibility in all our relationships.
Equal Employment Opportunity Statement
UST is an Equal Opportunity Employer.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law. We will consider qualified applicants with arrest or conviction records in accordance with state and local laws and “fair chance” ordinances.
UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.
UST
LI-YG1
Skills
Java, Design Patterns, Microservices, Apache Kafka, Object-Oriented Programming, Spring Boot, SQL, NoSQL, Microsoft Azure
Benefits
Compensation range: $94,000.00 to $141,000.00 per year
About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.
See all 54+ OPT Java Backend Engineer Jobs
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Get Access To All JobsTips for Finding OPT Sponsorship as a Java Backend Engineer
Highlight your Java stack explicitly
List every Java-related technology you've worked with, Spring Boot, Hibernate, JPA, Kafka, Maven. Recruiters and ATS systems filter on these terms. A backend engineer resume without explicit stack details gets screened out before a human sees it.
Target STEM-designated programs first
A computer science or software engineering degree qualifies for STEM OPT extension, giving you 36 months total. Employers know this and factor it into hiring decisions. Lead with your degree field when discussing OPT timeline with recruiters.
Address OPT timing proactively
Tell recruiters your OPT start date, end date, and STEM extension eligibility upfront. Employers avoid candidates when timelines are unclear. Giving them a concrete three-year window removes the most common reason they hesitate on OPT candidates.
Show system design depth in interviews
Java Backend roles at sponsoring companies always include system design rounds. Practicing distributed systems, REST API design, and database optimization signals seniority. Senior-level candidates are significantly easier for employers to justify sponsoring than entry-level ones.
Prioritize companies with active H-1B filing history
Companies that have sponsored H-1B visas for software engineers in the past are far more likely to sponsor you. Look for employers with consistent LCA filings for Java or software engineering roles, not just generic tech companies.
Contribute to open source Java projects
A public GitHub with Spring or Java contributions demonstrates real-world backend work beyond coursework. Hiring managers for backend roles review code samples regularly. It also gives you specific technical talking points in interviews with sponsoring companies.
Java Backend Engineer OPT: Frequently Asked Questions
Can I work as a Java Backend Engineer on OPT without H-1B sponsorship?
Yes. OPT authorizes you to work in any role directly related to your degree for up to 12 months, or 36 months with a STEM OPT extension. Java Backend Engineer roles typically align with computer science and software engineering degrees, making authorization straightforward. You don't need H-1B sponsorship to start working, OPT covers you from day one.
Does a Java Backend Engineer role qualify for STEM OPT extension?
It depends on your degree, not the job title. If you hold a degree in computer science, software engineering, information technology, or a related STEM field, and your employer is enrolled in E-Verify, you qualify for the 24-month STEM OPT extension. The job must also be directly related to your major. Most Java Backend Engineer positions at tech companies meet this requirement.
How do I find Java Backend Engineer jobs that sponsor OPT or H-1B?
Migrate Mate filters job listings specifically for visa sponsorship, making it easier to identify Java Backend Engineer roles at companies actively willing to sponsor OPT and H-1B candidates. Searching on general job boards rarely surfaces sponsorship intent clearly, and manually researching each company's LCA filing history is time-consuming. A focused search on Migrate Mate cuts through that.
What happens to my Java Backend Engineer job if I don't win the H-1B lottery?
You have options beyond the H-1B. Some employers will retain you on a cap-exempt H-1B if they operate a qualifying nonprofit or research institution. Others may support an O-1A petition if you have notable achievements. If you're from certain countries, employer-specific visas like the TN visa or E-3 visa may apply. Discuss contingency plans with your employer before the lottery results.
What should I tell a Java Backend Engineer interviewer about my OPT status?
Be direct and specific. Tell them your OPT authorization period, your STEM extension eligibility, and when you'd need H-1B sponsorship. Framing it as 'I have three years of work authorization beginning [date] and will need H-1B sponsorship before [year]' gives the hiring team everything they need. Vague answers about OPT create hesitation, precision removes it.