Backend Engineer/Senior Engineer/Lead - Java
at It is the fastest growing E-Commerce company in Asia
Looking for a proficient Backend Engineer - JAVA for a leading E-Commerce Company.
- Proficient in Java, with a good knowledge of its ecosystems
- Great OO skills, including strong knowledge in design and architectural patterns
- Skill for writing reusable Java libraries
- Experience with Play Framework for Java
- Experience with JavaScript & frameworks like AngularJS
- Knowledge of concurrency patterns in Java
- Familiarity with concepts of MVC, JDBC, and RESTful
- Basic understanding of JVM, its limitations, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- Working knowledge of NoSQL (preferably MongoDB)
- Proficient understanding of versioning tools, such as Git
- Desire to contribute to the wider technical community through collaboration
- Ability to quickly grasp any new technologies
- Strong communication and collaboration skills
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Context for the Candidates:
Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.
Key Discussion Points:
• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?
• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.
• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?
• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?
• Share best practices for gas optimization, contract upgradability, and backend scalability.
Evaluation Criteria:
1. Technical Knowledge:
• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.
• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).
• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.
2. Problem-Solving and Integration Skills:
• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.
• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.
3. Experience and Expertise:
• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.
• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.
4. Innovation and Critical Thinking:
• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.
• Discussion on the future potential of blockchain technology and how the tech stack can evolve.
5. Communication and Team Collaboration:
• Clear articulation of technical challenges and how to address them in a team setting.
• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.
Technical Experience :
- Net development work experience
- Proficiency in NET Development with Asp.net and MVC.
- Strong object-oriented programming OOPS design skills, SOLID principles and proficiency in software design patterns
- Experience in database MS SQL Server.
- Experience with version control systems GitHub and Bitbucket
Professional Attributes :
1. Should have good communication Skills
2. Should be a good team player
3. Should be able to work independently and under pressure
4. Should have good logical and analytical thinking
Location: Chennai
1 .Net Core, Dotnet
4+ years of hands-on experience
Must-Have:-
> .Net, ASP.NET
> Must have good knowledge of multi-threading concepts
> Development experience nee in Visual studio 2019
> Systems thinking, technical acumen, an alytical skills, and communication skills.
> Testing skills (Unit testing, Integration testing.
> Exposure to AGILE development methodologies
> Quality mindset and attention to detail in all aspects of software engineering and development
Must have experience / knowledge in Cluster Management Frameworks(e.g., Spark), Kafka,ElasticSearch, Docker, Kubernetes and database, build-and-test(preferred).
Must have hands-on experience with Java, Spring Boot & Hibernate
Must have good experience with Cloud (AWS/Azure/GCP)
Demonstrate project management skills
Experience with customer facing and handling customer expectations
Must have excellent verbal and written communication skills
Skills:
Java
very strong on Spring frameworks
Hibernate
Relational Database (Pref PostgresQL)
AWS / Azure
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Experience : 2+ years
Location : Mumbai (WFO only) Initial few months work from home
Notice Period : 0 to 30 days ( Immediate joiners are preferred)
Roles & Responsibilities :
(This role encompassing both API engineering using Java stack and web development
Experience in designing, developing, testing and successfully deploying critical and complex projects.)
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
· Build reusable code and libraries for future use
Required Skill set :
· Java background with a minimum of 3+ years experience in Java technologies.
· Experience in designing and developing application backend using frameworks like Spring Boot, Spring MVC, Jersey, JPA, Hibernate, SQL, Linux, JSON, XML, OAuth etc.
· Well & good if has Experience with frontend technologies
· Experience with both SQL and NoSQL database systems and writing SQL queries
· Strong experience building, designing, and consuming Restful web services.
· Exposure of Cloud Infrastructure - AWS and Alibaba Cloud
· Excellent understanding of ORM and Database concepts
· Experience with developing unit test code using JUNIT, Power Mock/EasyMock/Mockito etc.
· Experience with Git, Maven and CI/CD pipelines to deploy on Cloud applications
· Experience & knowledge on Micro services Architecture and API development using Java, spring, Spring Boot
· Experienced in roles conducting requirements gathering, writing user stories, creating application design and using design patterns
· Good knowledge on credentials/secrets management and data encryption techniques
· Good knowledge on coding standards, design patterns, unit testing.
· Good hands-on BitBucket/Github is preferred.
We are planning to expand our team to explore new opportunities and looking for creative, enthusiastic, and passionate individuals to join our team.
Job Description
- Engage in Node.js back-end development with MongoDB
- Work on Backend programming
- Work on databases
- Coordinate with front end teams for overall project overview
- Create User stories and UML, documentation of the business goals
- Must have knowledge of Node.Js, HTML, CSS
- Knowledge of git and AWS
- Proficient in Data Structures and Algorithms
- Good in Object oriented design
- Ability to work independently and manage the entire backend of all platforms associated with Rejolut
- Exemplary tasks – Explore something new every day!
- Responsibility – Bring in your own ideas and get supported in executing them.
- Fun – Experience a family culture & celebrate with the founders & team.
- Team – Be a part of a high-performance & cultural diverse team
- Freshers can apply
- Students in their last semester or passed out in 2020 can also apply
- Working days: Monday to Friday
- Timings: 11:00 am to 7:00 pm
- Duration of internship: 6 months/PPO(Performance Basis)
Stipend: INR 10,000 -15000 / per month
Please apply only if -
- You are available for the above said duration.
- You prefer to work in a fast paced environment with growth & learning opportunities
- If you have not applied for an internship before with us.
- have relevant skills and interests
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loyalty Rewardz.
Benefits :
- Health Insurance
- Work from Home
- Fast growth and more visibility into the company
- Experience to work on the latest technology
- Competitive Learning Environment with supportive co-workers
- Employee friendly HR Policies
- Paid leaves up to certain limits
- Liberal working atmosphere
- Get mentored by the best in the industry
- Strong development experience in Core Java, J2EE, Spring Boot, Oracle SQL/PLSQL and App servers like WebLogic, JBOSS, Unix
- Good Knowledge of SOAP and REST API
- Should have knowledge in SOLID Principles & Design Patterns
- Should have working experience in UI like JSF, JSP, Html, CSS and Javascript / Jquery
- Experience with full-lifecycle development (i.e. design, coding, testing, debugging, etc.)
- Working experience to fix common vulnerabilities and security threat in SOA\Microservices applications
- Knowledge in OWASP Standards and Working knowledge in fixing security issues, data encryption and cryptography.
- Prior experience and knowledge of security tools like Fortify, Sonatype and webInspect is a plus
- Good to have knowledge and working experience in Angular JS
- Translate business requirements into detailed specs/designs
- Design thinking while arriving at solution
- Strong technical troubleshooting, diagnosing and problem-solving skills
- Ability to work with distributed teams in a collaborative and productive manner
- Solving complex business and workflow issues with solid scalable technical solutions
- Must be a self-motivated, proven performer who enjoy challenging assignments in a high-energy, fast growing workplace
- Agility and ability to adapt quickly to changing requirements and scope and priorities
- Good in communication, both written and verbal
- Should have Agile scrum experience.
- Team Player with very good attitude
- Attention to detail and focus on quality
- Knowledge in financial services domain is a plus
- Good to have knowledge on Static AppSec Testing (SAST) and Dynamic AppSec Testing (DAST)
- Proficient with Laravel & Codeignitor Framework
- Have good database structures and algorithm platform
- Knowledge about OPP, MVC, RESTful
- Knowledge about HTML, CSS, JavaScript, AngularJS, ActiveJS, NodeJS, JQuery is an advantage
- Have experiences using GIT
- Use fluently one of relation database administration: Oracle, MySQL