Core Java Developer - Data Structure/Algorithm

Job Title : Senior Java Developer

Experience : 5 to 12 Years

Shift Timing : 01:00 PM – 10:00 PM

Domain : Clinical Research

Location : Noida, Gurugram & Pune

Work Mode : Hybrid

Job Summary :

We are seeking an experienced Senior Java Developer to join the software team of a leading Clinical Research organization.

The role involves application development and feature enhancement for enterprise products, ensuring high performance, scalability, and code quality.

Mandatory Skills :

Java 8+, Hibernate, Oracle Database, PostgreSQL, JAX-RS (RestEasy), Jackson, REST APIs, JSP, React.js, GitHub, GitHub Actions, SonarQube, SonarLint, and basic AWS services (IAM, SNS, SQS, S3, CloudWatch).

Key Responsibilities :

• Develop and enhance enterprise applications using Java technologies.
• Design and implement RESTful APIs and integrate backend services.
• Write and optimize SQL queries for Oracle and PostgreSQL databases.
• Build and maintain UI components using JSP and React.js.
• Manage source code and CI/CD pipelines using GitHub and GitHub Actions.
• Ensure code quality and maintainability using SonarQube and SonarLint.
• Work with AWS services to support application deployment and monitoring.
• Collaborate with cross-functional teams to deliver high-quality solutions.

Required Skills :

• Strong experience with Java 8 or above and Hibernate framework.
• Hands-on experience with Oracle Database and PostgreSQL, including advanced query writing.
• Proficiency in JAX-RS (RestEasy) and Jackson for REST API and JSON processing.
• Experience in developing web applications using JSP.
• Knowledge of React.js for frontend development.
• Experience with GitHub and GitHub Actions for version control and CI/CD.
• Familiarity with SonarQube and SonarLint for code quality analysis.
• Basic hands-on experience with AWS services, including IAM, SNS, SQS, S3, and CloudWatch.
• Ability to work effectively in a collaborative and fast-paced environment. 

Minimum requirements

5+ years of industry software engineering experience (does not include internships nor includes co-ops)

Strong coding skills in any programming language (we understand new languages can be learned on the job so our interview process is language agnostic)

Strong collaboration skills, can work across workstreams within your team and contribute to your peers’ success

Have the ability to thrive on a high level of autonomy, responsibility, and think of yourself as entrepreneurial

Interest in working as a generalist across varying technologies and stacks to solve problems and delight both internal and external users

Preferred Qualifications

Experience with large-scale financial tracking systems

Good understanding and practical knowledge in cloud based services (e.g. gRPC, GraphQL, Docker/Kubernetes, cloud services such as AWS, etc.)

Pickyourtrail (PYT) is an expert co-creator of super hit customised holidays. We are the perfect partner to the ‘designated travel planner/s’ of every group - big or small. Our service, customisation and expertise help us deliver super hit holidays and make the planner the hero of the holiday. 

PickYourTrail is a technology-driven travel company building personalized, end-to-end travel experiences. Our platform powers dynamic itinerary creation, real-time pricing, booking orchestration, and post-booking workflows at scale. We operate in a high-throughput, real-time environment where backend systems are critical to business success.

What are we looking for in you?

You are enthusiastic about developing highly scalable, foolproof, end-to-end quality software. You have worked on api integrations, have a good understanding of api docs, SOAP, REST, rate limiter and caching. You are very passionate about data structures and algorithms. You are flexible in working with multidisciplinary teams and you push your teammates to their limits & ensure that the work is done. You consider AI as your friend and use them in all facets to augment your work, as your pair programmer, code reviewer and design philosopher. If you feel we are talking about you, contact us asap.

Who will you work with?

Being a part of a small team of backend engineers, you get to solve a wide range of problems in the travel space. Be it feature discussion, solution design, development, dev testing, deployment, enhancement or maintenance, you get to experience everything.

What's in it for you?

• Opportunity to contribute and solve interesting problems in the travel space.
• Solve for scalability, availability and performance along with functional integrations.
• Freedom to explore solutions rather than getting tied down by rigid standards.
• Work with some of the best techies in the industry
• An environment where Attitude is higher than Skill and performance scores over politics
• Take the product to the next level that has an impact on the end customer

What you'll bring to the team?

• Good understanding of data structures and algorithms
• Good experience in System & Solution design.
• Working knowledge of Java, Web Services, SOAP, REST and Spring Boot.
• Experience working with coding assistants like co-pilot, Claude desktop etc.
• Knowledge of GIT version control
• Good knowledge of any database (MongoDB, PostgreSQL, MySQL, Oracle)
• Knowledge of Unit testing is a must
• Fair debugging skills

About Nomiso India: Nomiso is a product and services engineering company. We are a team of Software Engineers, Architects, Managers, and Cloud Experts with expertise in Technology and Delivery Management. 

Our mission is to Empower and Enhance the lives of our customers through simple solutions for their complex business problems. 

At Nomiso, we encourage entrepreneurial spirit - to learn, grow and improve. A great workplace thrives on ideas and opportunities. That is a part of our DNA. We’re in pursuit of colleagues who share similar passions, are nimble, and thrive when challenged. We offer a positive, stimulating, and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged.

We invite you to push your boundaries and join us in fulfilling your career aspirations!

What You Can Expect from Us:

We work hard to provide our team with the best opportunities to grow their careers.  You can expect to be a pioneer of ideas, a student of innovation, and a leader of thought. Innovation and thought leadership is at the center of everything we do at all levels of the company. Let’s make your career great!

Position Overview: 

As our Senior Engineer (Back End), you'll be responsible for building new features, enhancing the existing ones as well as supporting them in production. You will also be responsible for building reusable libraries or technology platforms that address multiple use cases. You will work towards delivering specific milestones and objectives in a very dynamic environment. 

Roles and Responsibilities:

● Working closely with the Engineers to develop the best technical design, strategy and drive execution to build capabilities into the platform 

● Owning the delivery of various timelines, ensuring that key milestones are met and deliveries are of the highest quality 

● Establishing various best practices for software development and encouraging their adoption with the team and organization 

● Collaborate with other non-technical stakeholders of the business which includes Product Managers, Designers, Marketing etc.

● Encouraging and mentoring an excellent team of talented engineers by mentoring them and working with them to remove any roadblocks 

● Functional availability of the software developed, enhancing the product based on functional requirements 

● Managing cloud-based services, web applications for their functional correctness, availability, security 

● Deploy and maintain enterprise class RESTful, GRPC based services 

● Own the engineering excellence and operational readiness of the service driving the SLO,SLI, SLA of the relevant services 

● Take ownership to drive quality of the services under your purview via integration test and unit test coverage 

● Responsible for all microservices within your purview responsible driving their quality, security,availability, scalability and other “ilities” 

● Dive deep into each issue, own reactive fixes, and execute long term fixes 

● Assist other Support Engineers on complex RCA issues 

● Provide technical mentoring and guidance to other engineers 

● Provide L3 engineering support

Must Have Skills:

• Overall experience 7+ years and relevant at least 3+ years in Golang with Java
• Strong design and architectural experience in building various highly-scalable and highly-available products 
• Strong understanding of the SDLC Activities which include Analysis, Design, Development, Testing, Deployment and Post-Production Support etc.
• Proficiency in at least one server side framework for Go Lang
• Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB, Redis etc 
• Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues 
• Able to work independently and multi-task effectively 
• Program at a system level and able to manage service stability 
• Excellent experience maintaining, scalable, extensible code
• Methodical in maintaining up to date documentation 
• Metric-driven mindset and obsessive about ensuring clean coding practices 
• Preferred experience in product development 
• Preferred working experience on microservices platforms 
• Proficiency in at least one modern web front-end development framework such as React JS will be a bonus

Good to Have Skills:

• Preferred experience in Elasticsearch and Kibana (ELK Stack) 
• Preferred experience with messaging systems like RabbitMQ 

Qualification:

• Bachelor of Science in Computer Science or equivalent technical training and professional work experience.

Software Engineer – Tech Lead

- You are your own master.  We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading fintech unicorn company

- ESOPs in the company

Requirements

• 6+ yrs of exposure in the art of writing code and solving problems on large scale.
• Should be language agnostic, with extensive and expert programming experience in any one programming language (strong OO skills preferred).
• Deep experience in at least one general programming language. Preferred (Java,Scala, C++)
• A solid foundation in computer science, with strong competencies in data structures,

algorithms, and software design.

• Worked end to end on 2-3 complex projects
• Worked in startup like environment with high levels of ownership and commitment
• Experience in building highly scalable business applications, which involve implementing

large complex business flows and dealing with huge amount of data.

• Extensive experience on working with distributed technologies like Kafka, MongoDb,

Redis/Aerospike, MySQL, AWS etc

• Experience with multi-threading and concurrency programming
• Ability to switch between the technologies and learn new skills on the go.

Roles and responsibilities

Drive discussions to create/improve the product, process and technology

• Build abstractions and contracts with separation of concerns for a larger scope
• Rapid prototyping
• Robust and scalable web-based applications
• Do high-level design with guidance; Functional modelling, break-down of a module
• Thinking platforms & reuse, the open-source contribution will be a plus
• Do incremental changes to architecture: impact analysis of the same
• Do performance tuning and improvements in large scale distributed systems
• Mentor young minds and foster team spirit

We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 6+ years of programming experience.

Key Responsibilities

• Build high availability and extreme reliable high volume transactional systems.
• Deliver reliable solutions that handle massive data and high traffic.
• Complete ownership of problem-free execution of owned modules and solutions.
• Focus on code optimization, code quality, maintainability etc.

Skills required

• Hands-on experience in Core J2EE or Core Java (collection, multithreading).
• Proficiency in Spring, Hibernate, Kafka, JDBC.
• Excellent data structure & algorithm and problem solving skills.
• Strong working knowledge of Databases – MySQL/NoSQL, OS - Windows/Linux.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
• Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs).
• Customer-focused, react well to changes, work with teams and able to multi-task.

• 3 - 6 Years of Experience in Golang Development
• Understands requirements well and comes up with an efficient design
• Develops complex, well-backed and bug-free products.
• Estimates accurately.
• Takes well-reasoned tech decisions keeping in mind goals and trade-offs
• Become a go-to person in more than one area. Provide technical mentoring to team
• Communicates clearly, gets clarifications, and establishes expectations for all parties
• Helps establish SDLC best practices and high standards of code quality
• Demonstrates excellent problem solving & debugging skills
• Proactively identifies and resolves issues in requirements, design, and code

Ideal Candidate Profile:

• Solid experience in Golang is a must.
• Solid understanding of Apache Products.
• Should have experience in cloud computing (AWS is desired).
• Has an ability to quickly learn and contribute in multiple codebases
• Overcomes roadblocks and requires minimal oversight
• Takes initiatives to fix issues/tech debts before assigned to him/her
• Able to deep dive into the codebase and advise QA of possible regression impact
• Communicates tech decisions through design docs and tech talks
• Has delivered projects with end-to-end accountability
• Keeps track of industry trends and introduces the right tech/ tools for a given job
• Excellent understanding of software engineering practices,
• Design Patterns, Data Structures, Algorithms
• Experience in product-driven organization

Deep expertise and hands on experience in Core java
∙ Hands-on experience with at least 2 years in Spring, Hibernate & Restful web services.
∙ Hands-on experience with at least 3 years in GUI development using Angular/React

, HTML & JavaScript. Added advantage if worked on Angular 5 and above, NodeJS, Bootstrap, jQuery.
∙ Clear understanding of Software Development life cycle and process Oriented. Would be great if worked on Agile or Continuous Delivery (CD) based projects before.
∙ Good fundamentals in Core Programming, JDBC, Object Oriented design & Design patterns
∙ Should have exposure to Oracle SQL. Any other DB apart from Oracle is also fine, provided the fundamentals of RDBMS are clear. Good to have experience in writing Sqls, stored procedures and functions.
∙ Experience in creating & executing unit tests using test driven approach with JUnit or any other equivalent.