Senior Software Engineer Backend

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.

Roles and Responsibilities

1. Ability to work on diverse backend stack such as Node JS, Java, Express JS
2. Ability to work on diverse frontend stack such as React JS, Angular 6/7/8/9, HTML5, CSS3
3. Ability to deliver quick POC’s using cutting edge technologies.
4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
5. Design, develop, and unit test applications in accordance with established standards
6. Developing, refining, and tuning integrations between applications. Analysing and resolving technical and application problems.
7. Ability to debug application.
8. Should have complete knowledge on developing RESTful Services.
9. Should be able to also work in agile development methodology.

Competency Requirements

1. Experience in NodeJS, Java and development using AngularJS / ReactJS
2. Experience in front end frameworks such as Angular.js, React.js, Bootstrap, Foundation etc
3. Experience in client/server application development
4. Knowledge of agile development methodologies
5. Knowledge of unit testing theory
6. Knowledge of AWS cloud
7. Experience in Java, Python and Go will be added advantage

Job Description

We are looking for a Software engineer to join our cutting-edge development team as it grows. We want someone who is comfortable asking “why?” The ideal candidate is a divergent thinker who understands industry best practices and has experience with multiple coding languages. They are a team player possessing strong analytical as well as technical skills, and are able to communicate the logic behind technical decisions to non-tech stakeholders. They must be comfortable working in an agile environment and have the ability to “take the wheel” when necessary. They will work with multiple technologies and develop a keen sense of evaluating and using the appropriate technology to derive the best solution.

What you'll do

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write and test code to ensure compatibility and stability: refine and rewrite as necessary
• Troubleshoot and debug applications
• Collaborate with Front-end developers to integrate user-facing elements with server-side logic
• Follow the spec and its requirement and develop the features/project
• Providing written knowledge transfer material as documents

Must have

• 1+ years experience coding in a modern programming language like Java, GoLang, Node JS, Python or RoR 
• Solid understanding of data structures and algorithms, good design principles like SOLID 
• Problem solving & analytical aptitude 
• Excellent verbal and written communication skills 
• Experience in source code control with git/svn
• Should be flexible to work on a variety of programming languages like NodeJS, Python, etc. and on XML technologies like XSLT, XML Pipelines, etc

Good to have

• Experience working in the Node JS stack 
• Unit testing and automation frameworks 
• Experience working in a public cloud environment (AWS preferred) 
• Working with distributed microservice architectures 
• Agile product development life cycle

Eligibility Criteria 

• Bachelor's or master's degree in computer science or related fields from a reputed institution
• Any internship experience is a plus
• Experience: 1-4 years 
• Location: Chennai. Work from office (Mon to Fri)

we are looking for Node.js developers

Job type - full time

Salary - 10k - 20k /mnth

Qualifications - BTECH, MTECH, MCA passouts

Roles and Responsibility;

• Developing and maintaining all server-side network components.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.

• Collaborating with front-end developers on the integration of elements.

• Designing customer-facing UI and back-end services for various business processes.

• Developing high-performance applications by writing testable, reusable, and efficient code.

• Implementing effective security protocols, data protection measures, and storage solutions.

• Running diagnostic tests, repairing defects, and providing technical support.

• Documenting Node.js processes, including database schemas, as well as preparing reports.

• Recommending and implementing improvements to processes and technologies.

• Keeping informed of advancements in the field of Node.js development

Regards

Maitretech solution

Are you looking for a Senior Backend Engineer role in a high growth startup? Are you eager to learn and make a difference at work every day? If so, then read on.

At PlumQR, we work on revolutionizing the Food & Beverage industry with our cloud-based tech products. Millions of businesses across the world are switching for better, smarter & more hygienic products to reinvent their businesses. If you have what it takes to innovate & lead, we have just the right opportunity for you.

Requirements

• Minimum 3 years as a Senior Backend Engineer
• Strong software development experience in a SaaS product company
• Significant experience with NodeJS, React.js, React Native, MySQL, MongoDB, Java
• Cloud computing services (e.g. Google Cloud Platform)
• Strong problem-solving skills
• Ability to explain technical details to people inside the company

We are looking for software development engineers to design and develop the backend systems for our consumer and partner-facing applications. You will work on massively scalable distributed systems and solve complex engineering problems

Reporting structure - Engineering Manager-Java

• Computer Science fundamentals in object-oriented design, design patterns, data structures, algorithm design,
• Proficiency with Java, Rabbit MQ, Kafka.
• Proficiency in Mongo DB, Cassandra, Redis.
• 3+ years of experience contributing to architecture and design in a product setup Information Technology
• Understand customer needs by collaborating with Product Managers and Business stakeholders
• Development, delivery and support of large-scale, distributed software applications and tools
• Use software engineering best practices to ensure a high standard of quality and maintainability for all deliverables
• Work in an agile, start-up-like development environment, where you are always working on the most important stuff.
• Take initiatives and come up with new ideas to invent solutions for customer

HealthifyMe is a Health Tech Startup on a mission to make healthy living easy, fun and affordable for everyone by providing tech-enabled solutions. Founded in 2012, HealthifyMe is now India's largest and most loved health/fitness app with over 3 million users. The company helps consumers manage their health and fitness with diet and exercise tracking through a mix of technology intervention and human experts/coaches backed with artificial intelligence. HealthifyMe is co-founded by Tushar Vashisht (UPenn graduate, ex UID) and Sachin Shenoy (ex Google), and was incubated by Microsoft Accelerator.  HealthifyMe is the highest rated app on Google Play with a rating of 4.6/5 and has been featured by Google and Apple multiple times for its quality benchmarks. The company, delivers measurable results on eating habits, fitness, and weight and is a platform of choice by leading Corporates and Healthcare partners in India.

Leadership Skill

• Technically hands on.
• Have previous experience of leading teams.
• Have experience with agile process, and ability to guide the team to follow the process.
• Comfortable in chaotic & high-energy, high-stakes start-up environment.
• Hates wasting time in unproductive meetings, and prefers getting quick consensus to move ship forward.
• Prefers delivering in production than spending time in meeting.
• Able to technically mentor team and guide them to high performance.

Technical Skills

• Loves solving technically hard problems. 
• Have previous experience with Python(Django), MySQL.
• Have previous experience with one or more of AWS, RDS, SQS, EC2, DynamoDB, ElastiCache. 
• NoSQL experience is good to have.  
• Loves clean and structured code, and thrives to maintain it. 
• Fast at coding, fast in learning and technically solid.
• Have previous experience in building, running and managing scalable and highly availability web services.

Look forward to

• Working with a world-class team. 
• Fun & work at the same place with an amazing work culture and flexible timings. 
• Get ready to transform yourself into a health junkie