
Job Title: Backend Developer
Job Description: We are seeking a skilled Backend Developer to join our dynamic team. The ideal candidate will be responsible for designing, implementing, and maintaining the server-side logic, databases, and APIs of our applications. Key responsibilities include collaborating with cross-functional teams to develop scalable and efficient backend systems, troubleshooting and resolving issues, and staying updated on industry trends. Proficiency in programming languages such as Python, Java, or Node.js, along with experience in database management and API development, are essential for success in this role. Strong problem-solving skills, attention to detail, and a passion for creating robust and high-performance backend solutions are highly valued.
Requirements:
Proficiency in one or more backend programming languages (e.g., Python, Java, Node.js)
Experience with database management systems (e.g., MySQL, PostgreSQL, MongoDB)
Knowledge of RESTful API design and development
Familiarity with cloud services (e.g., AWS, Azure) is a plus
Strong problem-solving and troubleshooting skills
Collaborative mindset with excellent communication skills
Ability to work in a fast-paced and dynamic environment

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We're looking for Node js developers with over 2+ years of experience and strong expertise in Javascript based development using Node js and Express. We are looking for cadidates who are go-getters and are leaning towards leadership positions. Candidates must have a proven history of building, scaling, optimising and securing
We would prefer candidates who can join immediately or are currently serving their notice period.
Key Skills Required :
Node.js Developer :
duties and responsibilities
- Work as part of a team developing applications and services using Agile development methods
- Contribute to team and organizational improvements in process and infrastructure
- Build customer-facing UI and back-end services for payment processing administration and management
- Code, teste and operate node.js based services
- Effectively use tools and ingenuity to identify and fix defects before they become a problem
requirements and qualifications
-
- Previous working experience as a Node.js Developer for 2 years
- BE /B.Tech in computer science or similar relevant field
- In depth knowledge of Node.js
- Hands on experience with HTML, CSS, and AJAX
- Development experience designing object oriented JavaScript and SVG
- Applicable knowledge of web libraries and frameworks such as AngularJS, Polymer, and Closure
- Familiarity with the whole web stack, including protocols and web server optimization techniques
- Strong analytical skills and problem solving aptitude
- Attention to details
ompany Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Job Title: Java Developer
Experience range:- 3-6 Years
Location:- Chennai
Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)
· Strong written/verbal communication skills
· Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
- Good experience in Spring boot.
- Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
- Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
- Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
- Expert level understanding of Object-Oriented Concepts and Data Structures
- Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

- Experience building and managing large scale data/analytics systems.
- Have a strong grasp of CS fundamentals and excellent problem solving abilities. Have a good
understanding of software design principles and architectural best practices.
- Be passionate about writing code and have experience coding in multiple languages, including at least
one scripting language, preferably Python.
- Be able to argue convincingly why feature X of language Y rocks/sucks, or why a certain design decision
is right/wrong, and so on.
- Be a self-starter—someone who thrives in fast paced environments with minimal ‘management’.
- Have exposure and working knowledge in AI environment with Machine learning experience
- Have experience working with multiple storage and indexing technologies such as MySQL, Redis,
MongoDB, Cassandra, Elastic.
- Good knowledge (including internals) of messaging systems such as Kafka and RabbitMQ.
- Use the command line like a pro. Be proficient in Git and other essential software development tools.
- Working knowledge of large-scale computational models such as MapReduce and Spark is a bonus.
- Exposure to one or more centralized logging, monitoring, and instrumentation tools, such as Kibana,
Graylog, StatsD, Datadog etc

- To support and maintain existing Java code base, debug the application
- To analyse user and business requirements and design and implement appropriate solutions
- To design and code programs following in-house standards and good design principles
- To ensure that all programs are documented to the company standards
- To create unit test plans and perform unit testing of the programs
- To provide advice and guidance to other members of the team
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns
- Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience in RESTFul webservices
- Experience with test-driven development
- Exposure to portal/mobility development - Desired
- Exposure to any of middleware solutions like MQ, Oracle fusion middleware(WebLogic), WebSphere, Open Source
The B2B manufacturing industry has a lack of digitisation globally. NowPurchase is building layers of technology to help improve the productivity and profits of the manufacturer. For this we are building the OS (Operating System) that will seamlessly connect factory equipment such as furnaces and spectrometers to our software systems that provide real time optimisations.
The end-game is to use this interconnected system to do great production planning and autonomous procurement of their raw materials. The Heart of NowPurchase will be a marketplace consisting of these smart factories and raw material suppliers.
Here a video that explains our product journey:
[https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21](https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21)
**Role Description**
NowPurchase is looking to add an immensely talented Backend Developer that will help us invent, design, refine and deliver products that will meet the above vision.
- Expect to build a lot of services and APIs in the cloud and stand-alone IoT devices to serve both the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises.
- Expect designing algorithms that model the metallurgy of the manufacturing processes as well as using tools such as linear programming, machine learning etc.
**What are the expectations from this role?**
- Deliver high quality modular code deployed to serve web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets. This would include algorithms for real time optimizations that are critical for the manufacturing process.
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and responsible for software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Collaborate on the end to end design and implementation of the platform, including data modeling, systems architecture, data security, access controls, architecture, user experience, deployment, automation, and monitoring.
- Maintain a high level of data integrity, quality and security checks.
- Develop data pipelines and RESTful services that are distributed, robust and highly performant.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
**Qualifications and Experience**
- 1+ years of demonstrated software engineering experience in an agile environment designing, architecting and implementing robust scalable systems preferably for modern SaaS application
- Experience with modern server-side programming languages such as Python, Scala, Go. Experience with web frameworks such as Django Rest Framework, Flask.
- Experience with architecting asynchronous services with design patters leveraging PostgreSQL, MongoDB, Redis, Celery for storage and multi-tenant servers over AWS Elastic BeanStalk.
**Compensation & Benefits**
- **Cash Compensation:** As per industry standards & pedigree of candidate
- **ESOPs:** 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- **Medical Insurance:** Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- **Generous leave structure and WFHs** including Marriage, Maternity & Paternity leaves
- **Complete Relocation Expenses:** We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
**Possible Growth path**
Backend Developer > Senior Backend End Engineer > Engineering Manager > VP of Engineering
## **Tech Stack**
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
**Hiring Process**
1. Screening of applicants & initial telephonic call with Manager -HR
2. F2F/Video Interview with Engineering Manager and Cofounder CTO
3. Take home written assessment
4. F2F/Video Interview with Cofounder CEO
5. Email communication on final feedback
The end to end process shall take less than 10 days. We pride ourselves on being transparent & moving fast.
*Candidates who accept an offer may join within 1 hour, 1 week or up to 45days of signing - though, we have a preference for as short a gap period between signing and joining since we're at the most exciting part of our journey - laying the foundation for the NowPurchase platform!*
- 5-7+ years of commercial Java development experience
- Experience with well known Open Source frameworks/libraries, like Spring Boot
- Work experience with Docker
- Microservice experience
- Experience with AWS like ECS, Lambda, SQS, RDS, Kinesis streams
- Familiar with iterative development
- Upper-intermediate level of English
- Solid understanding of communication and network protocols (TCP/IP, HTTP).
- At ease with Unix/Linux
- Excellent analytical and debugging skills
- Familiar with both SQL and noSQL databases (MySQL, DynamoDB, Memcached, Redis)
- Practical experience with scaling applications to big user numbers is a plus
- Experience with other programming languages is a plus.
- Fully capable of understanding current structures, identifying the issues and rebuilding for the future.
- Technical Bug Solving Ability.
- Extensive knowledge of Mysql database/architecture design & implementation skills.
- A strong handle on JS, Jquery, JSON, Ajax and PHP frameworks.
- Strong knowledge of REST & SOAP API Integration
- Good levels of communication. Both written and verbal.
- The ability to work under pressure and to tight deadlines.
Intro
We are looking for an experienced Senior Software Engineer to join our team and drive the technology growth of our pay later platform. At Rely, we want passionate and talented individuals that want a challenge building the next generation payment products for Millennials across Asia. Together we will build the best products using amazing technology.
What will you do
- Design and implement business critical, high performance large scale services.
- Translate business requirements into scalable and extensible design.
- Coordinate with cross functional teams (Data, UX, QA etc.) on planning and execution.
- Continuously improve code quality, product execution and customer delight.
- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies.
- Building and managing automated build/test/deployment environments.
- Lead team members on functional and nonfunctional requirements and spread goals across the team.
What will you need
- 3+ years of hands-on experience with python and a backend framework (ideally django)
- 1+ years Hands-on experience working with Javascript and JS frameworks (Angular, React)
- Hands-on experience in designing, developing, testing and deploying applications large scale applications in any language or stack
- Experience working with high scale distributed systems.
- Practical knowledge of scalable software design.
- Good working knowledge of AWS
- Proficient with APIs, web protocols, OAuth, git.
- Ability to understand and implement Continuous Integration and Continuous Delivery.
- Well versed with Lean methodologies, TDD and Test Engineering and Automation.
- Ability to design and implement low latency RESTful services.
- Willingness to learn new languages and methodologies.
What would be a bonus
- Experience in production environments with large data sets
- Experience in scaling systems to millions of users.
- Work experience in a fast-growth startup
- Experience in DevOps tools but not limited to Docker, Kubernetes
- Experience in Gunicorn and Nginx







