
Java Support Engineer – Application Support / Operations
Role Overview
We are seeking a technically strong Java Support Engineer who combines solid development knowledge with a passion for support and operational excellence. The ideal candidate should have hands-on experience in Java, Spring Boot, and Angular, along with a strong understanding of application engineering concepts, and must be comfortable working in a production support environment handling incidents, troubleshooting, monitoring, and system stability.
Key Responsibilities
- Provide L2/L3 production support for enterprise applications.
- Troubleshoot, debug, and resolve application issues within defined SLAs.
- Analyze logs, identify root causes, and implement fixes or workarounds.
- Collaborate with development teams for permanent issue resolution.
- Monitor application health, performance, and availability.
- Support deployments, releases, and environment validations.
- Perform minor code fixes and enhancements when required.
- Document issues, solutions, and support procedures.
- Participate in on-call rotations and handle incident management.
Required Skills & Qualifications
- Strong hands-on experience in Java and Spring Boot.
- Working knowledge of Angular for frontend understanding.
- Good understanding of application architecture, APIs, microservices, and debugging techniques.
- Experience with log analysis tools, monitoring tools, and ticketing systems.
- Knowledge of SQL databases and query troubleshooting.
- Familiarity with Linux/Unix environments.
- Understanding of CI/CD, release processes, and version control (Git).
- Strong analytical, problem-solving, and communication skills.

About Zenius IT Services Pvt Ltd
About
At Zenius IT Services, we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
Candid answers by the company
we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
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Strong Backend Engineer Profiles
Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment
Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)
Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices
Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)
Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows
Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred
Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D
Key Skills required (Items in Bold are mandatory keywords) :
1. Proficiency in Python & Django
2. Solid understanding of Python concepts
3. Experience with some form of Machine Learning (ML)
4. Experience in using libraries such as Numpy and Pandas
5. Some form of experience with NLP and Deep Learning using any of Pytorch, Tensorflow, Keras, Scikit-learn or similar
6. Hands on experience with RDBMS such as Postgres or MySQL
7. Experience building REST APIs using DRF or Flask
8. Comfort with Git repositories, branching and deployment using Git
9. Working experience with Docker
10. Experience in deploying Django applications to AWS,Digital Ocean or Heroku
- Strong experience in core Java programming.
- Good experience in Spring and Hibernate
- Proficiency with JSF/third party JSF components framework
- Must have at least 2+ years exp. of Web application development with exp. in using any MVC framework
- Knowledge of OOP concepts, industry best practices, and design
- Professional, precise communication skills
- Work experience writing Unit tests
- Good understanding of web technology and enterprise-level applications
- Work experience in applying the best practices of Web Application development
- Working experience in an Agile team especially with SCRUM
- Good to have experience in JavaScript frameworks
- Good to have experience in JSON, HTML5, CSS and XML
Following Skills will be an added advantage
- Working experience of Prime-Faces
- Knowledge of Spring Web Flow
Behavioral Skill
- Should be self-motivated and a quick learner with a problem-solving mind-set
- Attention to detail and follow-through to achieve good quality and meet deadlines.
- Ability to work effectively in a team as well as in an individual environment
- Should have excellent written and verbal communication skills
Position: Java Backend Developer
Experience: Atleast 3 years
Joining: Immediate
Communication Skills: Good
Mandatory requirements:
- Java 8, SpringBoot 2.x
- Backbase 6, DB 2.x, IPS 1.x, CXS 6.x
- DBS 2.19 – 2.20
- Fluent in English, ability to work in remote teams, dependable
- Problem solving skills
Desirable requirements:
- DevOps, Pipelines, Docker, Kubernets, HELM
- Backbase Identity
- Security
Required Experience and Qualifications:
-3 to 6 years of software development experience.
-Experience of working in at least 2 or 3 projects, managing or leading the entire
tasks.
-Experience from a middle size company or from a startup will be preferred.
-BE/MCA/MSc in Computers/Information technology with a good academic
record.
-Must be willing to start Immediately work from home permanent
-Can Allocate working hours (Flexible) as per Projects Requirements.
-Must have Good Internet & Good Laptop/System
Perks & Benefits:
- Great learning, innovative and development platform.
- Remote work and flexible timings.
- Reimbursement of the online learning courses on certification.
- Medical insurance coverage for you and the dependence.
- Five Working days per week.
External Title: Backend Developer.
Location: Remote
Year of experience: 4+ years
Job Description:
- Understanding of the working of a web-based application.
- Expert Knowledge of Microservices architecture.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Proficient understanding of code versioning tools, such as Git.
- Basic understanding of REST APIs and their concepts.
- Basic understanding of front-end technologies, such as HTML5, and CSS3, JavaScript.
Basic Qualifications
- Solid knowledge of algorithms/data structures is a must
- Strong Java software development experience – with a focus on Java 8 & 9
- Experience with NoSql databases – ideally with MongoDB
- Experience implementing REST apis – ideally with JAX-RS
- Experience with Reactive Programming – ideally with RxJava
- Experience implementing unit tests
Preferred Qualifications
- Experience developing applications in fintech or established financial institutions
- Experience with microservice architectures
- Experience developing systems that can scale to large amounts of data
- Experience working in Agile Scrum
- Experience working on a globally distributed team
- Team with top-notch engineers, product managers, program managers, DevOps and QA following agile development methodologies
- Review functional requirements, providing technical feedback on feasibility and architectural approach and framework.
- Design and develop web / mobile applications
- Create Prototype and/or Proof of Concepts (POCs) when necessary
- Act in a technical leadership capacity: Mentor junior engineers and new team members, perform code reviews and apply technical expertise to challenging programming and design problems
- Utilize Agile Development, SCRUM / Pair / Extreme Programming methodologies
- Design and develop supporting components and microservices for the backend tiers focusing on fault-tolerance and scalability in a multi-tenant enterprise environment
- Maintain and improve the functionality and performance of the existing web applications
- Help shape and execute the technical roadmap to develop next generation features; integrate corporate- and product-level architecture principles and goals into the teams project work through designs, implementation strategies, and project planning.
- Drive a culture of quality, technical curiosity, continuous improvement, and evidence-based data driven decision making in the organization.
- Execute other Duties as assigned
- 3+ years of experience developing Backend, API and data-based applications/software
- Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
- Expert object-oriented programming experience using Java
- Strong OO design and programming skills in Java, Hibernate, JPA, Spring Boot
- Worked in Maven, JPA, REST services, Postman
- Working knowledge on Spring Security / Spring Batch / ZUUL / Eureka / Hysterix
- Exposure with Frontend technologies (React.js, Angular or Ruby-on-Rails)
- Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, unit testing & Test-Driven Development (TDD)
- Experience with web services (consuming or creating)
- Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
- Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
- Experience in reporting and analytics, queuing and real-time streaming systems
- Git or similar distributed SCM tools experience.
We're DeepR Analytics (www.deepranalytics.com), a company based out of Toronto, Canada, that develops algorithmic trading solutions and products primarily focused on merging innovative trading algorithms with recent advances in machine learning algorithms such as deep learning and reinforced learning to automate trading and reap profits. We are continuously looking for disciplined professional C++ Software Developers familiar with Python as well. The C++Software Developers will work on the design, implementation, and enhancement of trading algorithms.
Responsibilities:
- Developing low latency trading algorithms for US Equities market in close coordination with the trade-strategy team
- Developing and maintaining large-scale, high-performance, robust software for management of high velocity and real-time market data
- Developing applications and software components to be reused across multiple products
- Designing, developing, and optimization of algorithms for quality & performance-optimized software development
- Contribute to architecture and technical design and implementation
- Developing and reviewing software requirements, designs, and test plans
- Documentation of existing and developing products
Desirable Skills:
- Familiarity with Design Patterns
- Ability to read/understand Python
- Familiarity with understanding, refactoring, debugging large C++ code repositories
- Familiarity with Git, Visual Studio, JIRA
Requirements:
- A B.Tech in Computer Science, Computer Engineering, or closely related field
- 3+ years of professional software development experience in C++
- Experience with large-scale, multi-threaded application development
- Experience designing APIs for consistency, simplicity, and extensibility
- Strong knowledge of object-oriented concept and design
- Ability to develop new approaches to complex problems
- Extensive experience with best practices in software development (code reviews, test automation/unit testing, version control)
- Well-developed written and verbal communication skills
- Familiar with working in both Linux and Windows environments.
- Willing to work in an afternoon shift (2:00 PM to 10:30 PM IST) Monday to Friday
Perks & Benefits:
- Cutting-edge work equipment.
- Two-way transportation
- Health Insurance for self & family
- Term Insurance for self
- Health and wellness benefits
Potential Benefits:
- Profit-Sharing Plan
- Employee Stock Ownership Plan








