STEM OPT Back End Developer Jobs
Back End Developer roles in APIs, databases, and server-side architecture qualify for the 24-month STEM OPT extension when your degree is in computer science, software engineering, or a related STEM field. Your employer must be enrolled in E-Verify, and you'll need a signed I-983 training plan before your extension starts.
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Get Access To All JobsINTRODUCTION
Blockchain Java Backend Developer
Must Have Technical/Functional Skills
Core Backend Skills:
- Strong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud.
- Experience building distributed systems and microservices architectures at scale.
- Strong knowledge of:
- Concurrency, multithreading, asynchronous programming
- API design (REST/gRPC), security (OAuth2/JWT), and integration patterns
- Solid understanding of data stores:
- SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra)
- Caching (Redis) and search (Elasticsearch) is a plus
- Hands-on experience with message streaming/queues:
Blockchain Skills (Must-Have):
- Strong understanding of blockchain fundamentals:
- Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.
- Experience integrating backend services with blockchain networks/nodes:
- Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches
- and/or permissioned chains (Hyperledger Fabric, Corda, Quorum)
- Experience supporting large blockchain deployments:
- Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.
DevOps / Cloud (Preferred):
- Experience with Docker and Kubernetes for containerized microservices deployments.
- CI/CD exposure (Jenkins/GitHub Actions/GitLab CI/Azure DevOps).
- Cloud experience (Azure/AWS/GCP) is a plus.
- Understanding of security practices:
- Secrets management (Vault/KMS), TLS, RBAC, network security.
ROLE & RESPONSIBILITIES
- Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).
- Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.
- Develop reliable services for:
- Transaction orchestration
- Smart contract invocation
- Blockchain event subscription/listening
- On-chain/off-chain data synchronization
- Implement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.
- Optimize performance for high throughput and low latency:
- Transaction throughput handling, batching, retries, idempotency, rate limiting.
- Ensure secure integration with blockchain:
- Key management best practices, signing transactions, secure secret handling.
- Implement observability and reliability standards:
- Logging, monitoring, tracing, alerting, SLOs/SLAs.
- Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.
- Contribute to architecture decisions including:
- Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.
SALARY RANGE
- Salary Range: $100,000-$130,000 a year
LOCATION
New York, NY
JOB FUNCTION
TECHNOLOGY
ROLE
Engineer
JOB ID
410997
DESIRED SKILLS
Java
SALARY RANGE
$100,000-$130,000 a year
QUALIFICATIONS
BACHELOR OF COMPUTER SCIENCE
INTRODUCTION
Blockchain Java Backend Developer
Must Have Technical/Functional Skills
Core Backend Skills:
- Strong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud.
- Experience building distributed systems and microservices architectures at scale.
- Strong knowledge of:
- Concurrency, multithreading, asynchronous programming
- API design (REST/gRPC), security (OAuth2/JWT), and integration patterns
- Solid understanding of data stores:
- SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra)
- Caching (Redis) and search (Elasticsearch) is a plus
- Hands-on experience with message streaming/queues:
Blockchain Skills (Must-Have):
- Strong understanding of blockchain fundamentals:
- Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.
- Experience integrating backend services with blockchain networks/nodes:
- Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches
- and/or permissioned chains (Hyperledger Fabric, Corda, Quorum)
- Experience supporting large blockchain deployments:
- Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.
DevOps / Cloud (Preferred):
- Experience with Docker and Kubernetes for containerized microservices deployments.
- CI/CD exposure (Jenkins/GitHub Actions/GitLab CI/Azure DevOps).
- Cloud experience (Azure/AWS/GCP) is a plus.
- Understanding of security practices:
- Secrets management (Vault/KMS), TLS, RBAC, network security.
ROLE & RESPONSIBILITIES
- Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).
- Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.
- Develop reliable services for:
- Transaction orchestration
- Smart contract invocation
- Blockchain event subscription/listening
- On-chain/off-chain data synchronization
- Implement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.
- Optimize performance for high throughput and low latency:
- Transaction throughput handling, batching, retries, idempotency, rate limiting.
- Ensure secure integration with blockchain:
- Key management best practices, signing transactions, secure secret handling.
- Implement observability and reliability standards:
- Logging, monitoring, tracing, alerting, SLOs/SLAs.
- Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.
- Contribute to architecture decisions including:
- Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.
SALARY RANGE
- Salary Range: $100,000-$130,000 a year
LOCATION
New York, NY
JOB FUNCTION
TECHNOLOGY
ROLE
Engineer
JOB ID
410997
DESIRED SKILLS
Java
SALARY RANGE
$100,000-$130,000 a year
QUALIFICATIONS
BACHELOR OF COMPUTER SCIENCE
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Get Access To All JobsTips for Finding STEM OPT Authorization as a Back End Developer
Verify your CIP code matches back-end engineering
Check your degree's Classification of Instructional Programs code against the DHS STEM Designated Degree Program List before applying. Computer science, information systems, and software engineering CIP codes all qualify, but general business technology programs often don't.
Confirm E-Verify enrollment before accepting offers
Ask your recruiter for the employer's E-Verify company ID before you reach the offer stage. An employer that isn't enrolled can't legally hire you on STEM OPT, and re-starting your search after an offer wastes your work authorization window.
Build your I-983 training plan around specific back-end skills
List concrete learning objectives tied to the role, such as distributed systems design, RESTful API architecture, or cloud infrastructure. Generic plans get flagged by DSOs. Tie each goal to a measurable outcome your employer can evaluate at the six-month review.
Target companies with active H-1B filing history
Back-end engineering roles at companies that have filed H-1B visa petitions are far more likely to have established immigration processes. Use Migrate Mate to filter employers by visa filing history so you're prioritizing companies already set up to extend your status long-term.
Benchmark your offer against the DOL prevailing wage
Your employer's LCA must certify a wage that meets DOL standards for your role and location. Run your job title and metro area through the OFLC Wage Search before negotiating so you know the floor, not just the market range.
File your STEM OPT extension 90 days before OPT expires
USCIS recommends submitting your I-765 extension application at least 90 days before your current EAD expires. If you file on time and USCIS hasn't decided by your expiration date, your work authorization automatically continues for up to 180 days under the cap-gap provision.
Frequently Asked Questions
Does my computer science or software engineering degree qualify me for the STEM OPT extension as a Back End Developer?
Yes, if your degree's CIP code appears on the DHS STEM Designated Degree Program List. Computer science, software engineering, computer and information systems security, and related fields all qualify. Your DSO can confirm the CIP code on your transcript. The role itself also needs to align with your degree field, which back-end development typically does for engineering and CS graduates.
Does every Back End Developer employer need to be enrolled in E-Verify?
Yes, without exception. E-Verify enrollment is a legal requirement for any employer hiring a STEM OPT student. Before accepting a Back End Developer offer, ask the recruiter or HR contact for the company's E-Verify ID number or confirm enrollment status directly through the E-Verify employer search tool. Employers who aren't enrolled cannot legally employ you on a STEM OPT EAD.
What should my I-983 training plan include for a Back End Developer role?
Your I-983 must describe specific, measurable learning objectives tied to your back-end engineering work. List skills like RESTful API design, database optimization, microservices architecture, or CI/CD pipeline management, and connect each to your degree field. Vague plans are commonly rejected by DSOs. Your employer must conduct formal performance evaluations at the six-month and annual marks and report any material changes to your training plan.
How does cap-gap protection work if my H-1B is selected but my STEM OPT expires before October 1?
If your H-1B petition is filed before your STEM OPT EAD expires and is selected in the lottery, cap-gap automatically extends your work authorization through September 30 of that fiscal year. You can continue working in your Back End Developer role without interruption. Your employer doesn't need to take any additional steps, but confirm with your DSO that your I-20 reflects the cap-gap extension period.
Where can I find Back End Developer jobs where employers are already set up for STEM OPT hiring?
Migrate Mate filters Back End Developer roles by employers with verified E-Verify enrollment and LCA filing history, so you're not guessing whether a company can actually hire you on STEM OPT. Searching there focuses your applications on employers who have already gone through the process, which shortens your timeline from offer to authorization.