Core Java Developer at Oracle
Oracle is hiring a Core Java Developer in Bengaluru, Karnataka, India. The role details below come from the employer’s posting. You apply on the employer’s own site, and TechJobs360 never charges candidates.
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1. Job details
Oracle
Core Java Developer
Bengaluru, Karnataka, India
Not disclosed by employer
See the job description
On the employer’s site
2. Job description from Oracle
Implements and optimizes components within existing distributed systems under
guidance. Applies basic scalability requirements, conducts performance/load
testing, and configures resiliency features (retries, circuit breakers,
timeouts) to handle network variability. Builds telemetry, alerts, and
runbook-driven procedures; delivers scoped features and fault-injection tests;
and helps implement basic data replication and synchronization. Assists with
on-call rotations, uses automation/IaC scripts to troubleshoot, and follows
change, security, and compliance procedures (encryption, access controls,
remediation plans) while escalating complex issues to senior engineers.
RESPONSIBILITIES
Key Responsibilities
System Design & Architecture – System Scalability:
–Assist in the implementation of components of distributed systems that support
horizontal and vertical scaling under the guidance of senior engineers.
–Optimize code segments and/or systems for large-scale data processing with
oversight from senior engineers.
–Implement scalability requirements for assigned components.
–Learn about the use of data plane platforms for large-scale data retrieval,
storage, and processing.
–Execute performance and load testing, with guidance.
System Design & Architecture – System Reliability Design:
–Collaborate with the team to build fault-tolerant components capable of
withstanding in-service updates by learning about redundancy, replication, and
automatic failover mechanisms.
–Learn about recovery oriented computing principles and assist in applying them
to component designs.
–Configure and test retry mechanisms, circuit breakers, and timeouts to help
handle network unreliability, with guidance
System Design & Architecture – System Reliability Performance:
–Implement testing and alarming configurations to detect issues/failures.
–Support efforts to recover from failures by drafting and executing runbooks and
operational procedures, under guidance.
–Help build dashboards, telemetry systems, and alerting mechanisms to monitor
component health.
System Design & Architecture – Correctness / Availability:
–Implement functional requirements and testing for assigned features within an
existing system.
–Implement test scenarios (e.g., fault-injection, brown-out) to evaluate system
correctness, under guidance.
–Help implement basic data replication and synchronization techniques to
maintain data integrity and availability.
Operational Troubleshooting & Incident Management:
–Assist in diagnosing and debugging issues in system components to support
ongoing operation, under supervision.
–Follow protocols to prevent interruptions, ensuring no maintenance windows are
required for customers and users when resolving issues.
–Run basic automation scripts and tooling to troubleshoot operational issues.
–Participate in operational support rotations, assisting in incident responses
and root cause investigations.
Compliance & Security:
–Assist in implementing basic security measures to protect data and applications
in multi-tenant environments, including encryption and access controls.
–Assist in the execution of remediation plans to address identified security
gaps, under supervision.
–Support the creation and updating of documentation to ensure cloud
infrastructure is in compliance with relevant industry standards and
regulations.
Automation & Change Management:
–Assist in maintaining basic automation scripts and tools (e.g., Infrastructure
as Code (IaC)).
–Adhere to change management plans for patching, updating, and rolling back
applications, under guidance
Core Responsibilities
Planning & Execution:
–Track timelines with minimal supervision, ensuring work is completed in a
timely manner and is in alignment with project requirements.
–Prioritize and adjust work as resources or timelines change, with some guidance
Collaboration & Partnership:
–Collaborate within the team to better understand expectations and achieve
shared objectives.
–Leverage a foundational understanding of business, stakeholder, and/or customer
needs to build partnerships with limited guidance.
–Actively listen and ask questions to enhance collaboration.
–Build a basic understanding of business, stakeholder, and/or customer needs
with guidance.
Problem Solving:
–Identify and address issues, escalating problems to senior staff as needed in
accordance with standard procedures.
–Compile and review data and/or information from multiple sources to
troubleshoot standard and non-standard errors.
Continuous Learning:
–Seek opportunities to gain knowledge and learn new skills and/or tools aligned
with industry trends and best practices.
–Utilize feedback and training to improve skills.
–Participate in a culture of continuous learning and knowledge sharing.
Continuous Improvement:
–Implement updates to processes, protocols, and workflows to increase efficiency
and effectiveness as directed, with some guidance.
–Contribute to ideation for future process improvements.
QUALIFICATIONS
Career Level – IC2
Only Oracle brings together the data, infrastructure, applications, and
expertise to power everything from industry innovations to life-saving care. And
with AI embedded across our products and services, we help customers turn that
promise into a better future for all. Discover your potential at a company
leading the way in AI and cloud solutions that impact billions of lives.
True innovation starts when everyone is empowered to contribute. That’s why
we’re committed to growing a workforce that promotes opportunities for all with
competitive benefits that support our people with flexible medical, life
insurance, and retirement options. We also encourage employees to give back to
their communities through our volunteer programs.
We’re committed to including people with disabilities at all stages of the
employment process. If you require accessibility assistance or accommodation for
a disability at any point, let us know by emailing
accommodation-request_mb@oracle.com [accommodation-request_mb@oracle.com] or by
calling 1-888-404-2494 in the United States.
Oracle is an Equal Employment Opportunity Employer. All qualified applicants
will receive consideration for employment without regard to race, color,
religion, sex, national origin, sexual orientation, gender identity, disability
and protected veterans’ status, or any other characteristic protected by law.
Oracle will consider for employment qualified applicants with arrest and
conviction records pursuant to applicable law.
3. Skills that usually matter in software engineering roles
General guidance from TechJobs360, not part of Oracle’s posting. The job description above is what counts for this role.
| Area | What to be comfortable with |
|---|---|
| Languages | Java, Python, Go, C# or C++ |
| Frameworks & tools | A web framework, SQL and NoSQL databases, Git, cloud basics |
| Computer science basics | Data structures, algorithms, complexity |
| Ways of working | Version control, code review, testing, reading other people's code |
4. How to prepare for a Core Java Developer interview
Interview formats differ by company and team, so confirm the rounds with the recruiter. Most hiring loops for roles like this cover:
A recruiter call or an online test. Read the job description twice and be ready to explain how your experience matches it.
Often coding problems on arrays, strings, trees, graphs or dynamic programming, solved while you explain your thinking.
Often design and trade-off questions sized to the role: an API, a component, or a small system.
Answer with the STAR method (Situation, Task, Action, Result). Prepare two or three real stories: a hard problem you solved, a disagreement you handled, and something you learned quickly.
5. Take-home pay example (FY 2026–27, new tax regime)
An example for two common package sizes, not this job’s salary. Under the new tax regime (Section 115BAC) salaried employees get a standard deduction of ₹75,000.
| Component | Example: ₹12 LPA | Example: ₹24 LPA |
|---|---|---|
| Basic salary (40% of CTC) | ₹40,000 / mo | ₹80,000 / mo |
| Employee EPF (12% of basic) | -₹4,800 / mo | -₹9,600 / mo |
| Income tax (TDS) | -₹6,933 / mo | -₹32,450 / mo |
| Professional tax | -₹200 / mo | -₹200 / mo |
| Approx. in-hand | ₹81,344 / mo | ₹1,44,304 / mo |
Work out the take-home pay for your own offer, in either tax regime.
Open the salary calculator →6. Questions and how to apply
How do I apply?
Use the apply button below. It opens Oracle’s own application page.
Does TechJobs360 recruit for this job or charge a fee?
No. We list openings from employers’ career sites. Oracle runs the hiring, and nobody should ask you to pay to apply.
Is this job still open?
We check listings against the employer’s page every day and take down jobs that have closed.
Should I apply if I don’t match every requirement?
Usually yes, if you meet most of the core requirements and can show you learn quickly. A referral from someone on the team can help your resume get read.
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