
Please find below updated JD for Java requirement.
-Work with a performance-oriented team driven by ownership and open to experiment.
- -6+ years of Java advanced software development experience, with concurrent (multi-threaded) programming highly desirable.
- -Strong experience on Core Java 8, Java EE, Spring Boot, Maven and Docker including Multi-threading.
. -Strong problem solving skills, computer science fundamentals, data structures and algorithms.
- -Hands on experience with any SQL Database.
- -Ability to learn new technologies like ELK, stack, redis etc.
- -Must have expert level knowledge in Java, Springboot.
- -Must have knowledge or hands on experience in microservices, apache kafka and distributed caching.
. -Experience in distributed/scalable systems
- -Strong knowledge of design patterns and software engineering best practices.
- -Familiarity with standard development tools and processes: Git, Eclipse, JUnit test, debugging, profiling, etc.
. -Familiarity with CI/CD and DevOps
. -Strong knowledge and previous experience in end-to-end design, development and subsequent
support of large-scale data processing systems
. - Familiarity and confidence working in an agile development environment.
. - Good Problem solving skills
- - Good oral and written communication skills.
- - Strong debugging skills.

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About the Role
We are looking for a Senior Backend Engineer to join our core engineering team and help build high-
throughput, low-latency services that power real-time trading at scale. What We’re Looking For
You are someone who has built backend systems in a regulated, high-stakes environment — ideally fintech, brokerage, payments, or banking. You think in terms of system reliability, data correctness, and operational
excellence. You take ownership of services end-to-end: from design and implementation through deployment, monitoring, and incident response. You communicate clearly, make pragmatic trade-offs, and hold yourself and
your peers to a high engineering bar. What You’ll Do
• Design, build, and own backend microservices for a real-time trading platform — from API contracts
through to production observability. • Work with databases, caches, and event-driven architectures to ensure high availability and data
consistency across distributed systems. • Build integrations with third-party financial services — clearing, settlement, identity verification, and
payment rails. • Define and enforce engineering standards — code reviews, testing strategies, API design conventions, and incident response processes. • Collaborate with product, design, and cross-functional teams to translate business requirements into
well-scoped technical deliverables. • Participate in on-call rotations and own production reliability for the services you build. • Mentor junior engineers and contribute to a culture of technical excellence and continuous improvement. Must-Have
• 5+ years backend engineering experience with Golang and Java in production. • Strong experience with PostgreSQL, Redis, and event-driven messaging (Kafka, NATS, or RabbitMQ). • Experience building and maintaining REST/gRPC APIs at scale with proper error handling, rate limiting, and versioning. • Understanding of financial systems — ledgers, reconciliation, order lifecycle, or payment processing.
• Experience with microservices architecture, API gateways, and service-to-service communication
patterns. • Familiarity with CI/CD pipelines, containerization (Docker/Kubernetes), and cloud infrastructure (AWS or
GCP). • Strong debugging and incident-response skills in distributed systems. Nice-to-Have
• Prior experience at a brokerage, wealth-tech, neo-bank, or payments company. • Experience with clearing broker integrations or introducing broker models. • Knowledge of compliance and regulatory requirements for cross-border financial products. • Experience with search infrastructure (Typesense, Elasticsearch). • Background in performance engineering — profiling, load testing, and latency optimization. Tech Stack
Languages Golang (primary), Java; Python (analytics/scripting)
Databases PostgreSQL, Redis, Typesense
Messaging Kafka, NATS, SSE / WebSocket
Infrastructure Docker, Kubernetes, AWS/GCP, Terraform
Integrations Clearing broker APIs, KYC providers, payment gateways
Observability Datadog / Grafana, PagerDuty, structured logging (ELK)
About the Role:
We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write clean, efficient, and reusable code following best practices.
- Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and contribute to continuous improvement.
- Stay updated with emerging trends, tools, and technologies in the Java ecosystem.
Required Skills & Qualifications:
- Strong proficiency in Core Java (Java 8/11/17).
- Experience with frameworks such as Spring / Spring Boot / Hibernate.
- Good knowledge of REST APIs, Microservices architecture.
- Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Understanding of multithreading, collections, and design patterns.
- Experience with version control systems (Git) and build tools (Maven/Gradle).
- Solid problem-solving skills and ability to work in an Agile environment.
Good to Have:
- Exposure to cloud platforms (AWS, Azure, GCP).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with messaging systems (Kafka, RabbitMQ).
- Familiarity with CI/CD pipelines.
2. Spring boot/ Spring or any variations of Spring
3. MySQL
4. Mentions of, distributed systems, scalable systems
5. Mentions of ElasticSearch, Kafka or Redis
6. NoSQL databases like Cassandra/DynamoDB/MongoDB/Hbase etc
7. Mentions of Handling scale/scalable systems
9. Mentions of AWS or Amazon web services.
Description: Design, build and configure applications to meet business process and application
requirements.
Company: Fineline Technologies (www.finelinetech.com)
Founded: 1998
Headquarters: Norcross, Georgia, USA.
Global Presence: Operations in the U.S., Canada, China, Europe, India, and Africa
Work Mode: Hybrid
We are looking for a highly skilled Java Developer to join our team for permanent, long-term projects, focusing on managing IoT and RFID projects as well as barcode printing solutions. The ideal candidate will have extensive experience in Java development, particularly with Spring Boot, Angular, and RESTful services. They should excel in designing and implementing scalable, reliable, and efficient Java applications. This role involves designing, developing, and maintaining high-quality software solutions, ensuring high performance and responsiveness. Additionally, the candidate will collaborate with stakeholders to understand business requirements, propose optimal solution approaches, and ensure the successful implementation of Java-based solutions.
DUTIES AND RESPONSIBILITIES:
- Develop, test, and maintain Java applications using modern frameworks like Spring Boot.
- Design and implement RESTful services and web applications.
- Troubleshoot, debug, and optimize application performance.
- Actively engage in product design discussions and contribute to application architecture development.
- Participate in code reviews and pair programming sessions.
- Stay updated with the latest industry trends and technologies.
QUALIFICATIONS:
- Qualifications: B.E/B.S/ M.S in Computer Science, B. Tech/M. Tech in Information Technology, MCA
- Experience: Advanced knowledge of Java programming with 8+ years of experience
- Java Programming: Proficiency in Java and its associated technologies, such as J2EE, JDBC, Servlets, JSP, and JavaFX.
- Spring Framework: (Nice to have UX/UI experience) Expertise in Spring Boot, Spring MVC, and other Spring modules for building robust applications.
- Web Services: Experience with RESTful and SOAP web services, including designing and implementing APIs.
- Front-End Technologies: Knowledge of front-end technologies like Angular 16+, React, HTML, CSS, and JavaScript.
- Database Management
- Microservices Architecture: Understanding of microservices architecture and containerization tools like Docker and Kubernetes.
- Software Development Lifecycle (SDLC) Agile
- Code Quality and Testing: Familiarity with Test Driven Development (TDD), unit testing, and code review processes.
Nice to Have skills
- Experience with barcode printing and scanning.
- Understanding of RFID encoding and scanning technologies.
- Experience with cloud platforms like AWS, Azure.
Salary
As per industry standard
Role & Responsibilities:
- Handle multiple products/modules simultaneously, lead the team in development and support
- Lead development teams
- Daily updates to customers and Product Managers/Delivery Managers
- Participate in design discussions
- Design and Architect small modules
- Effort estimations for modules, subsystems or use cases.
- Learn new skills and mentor the new team members
- Champion best practices within the team, including code reviews
Work Experience & Skills:
- B.E/B.Tech or any relevant Masters degree from reputed college.
- Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring JDBC, Jquery, Java script, HTML 5 and CSS
- Strong experience in Postgres or any SQL technology
- Experience with working on Tomcat, Apache, JBoss or any similar application server
- Should have 3+ years of experience in leading team.
- Good experience in JSON / RESTful API / Web Services.
- Experience in working on Agile methodology using Scrum and sprints
- Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
- Experience in cloud technologies, Microservices and frameworks such as AWS or GPC, container technologies like Docker is a plus.
- Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
- Experience in Microservices, SpringBoot and Angular is a plus.
- Experience with tuning deployed applications for scalability and performance.
- Good knowledge of deployment and scripting on Linux/Unix servers
- Strong technical documentation skills.
- Good oral and written communication skills
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.
•Design and develop distributed, scalable, high availability web services.
•Work independently completing small to Mid-sized projects while
managing competing priorities in a demanding production environment.
•you will be writing reusable and maintainable quality code.
What You'll Bring
•BS in CS (or equivalent) and 4+ years of hands-on software design and
development experience in building high-availability, scalable backend
systems.
•hands-on coding experience is a must.
•Expertise in working on Java technology stacks in Linux environment -
Java, Spring/ Hibernate, MVC frameworks, TestNG, JUnit.
•Expertise in Database Schema Design, performance efficiency, and SQL
working on leading RDBMS such as MySQL, Oracle, MSSQL, etc.
•Expertise in OOAP, Restful Web Services, and building scalable systems
Preferred Qualifications:
•Experience using Platforms such as Drools, Solr, Memcached, AKKA, Scala,
Kafka etc. is a plus
•Participation in and Contributions to Open-Source Software Development and contributions
| Upgrade existing Java (1.6) application running on Apache Tomcat to new Java (1.8) version and new Apache Tomcat version |
| Make necessary code changes for porting application to new Java versions and Tomcat versions |
| Set up new application environments for Dev, SIT and Production |
| Perform unit testing and support user testing. |
| Deploy new upgraded application in production |
| Provide post implementation support. |
| Analyze and resolve defects coming out of testing and post production deployment. |
| Modify existing application code to use Sql Server as backend. |
| Develop Java code as needed. |
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring boot , hibernate Framework









