Sr.Backend Developer

About Wissen Technology

Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Role: Java Backend Developer with AWS

Key Responsibilities

● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.

● API Design: Develop and document RESTful for consumption by web and mobile frontends.

● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.

● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.

● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).

● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.

● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.

Required Technical Skills

● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.

● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.

● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).

● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.

● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.

● Version Control: Expert-level knowledge of Git and branching strategies.

Qualifications & Soft Skills

● Experience: 5+ years of professional experience in backend development.

● Problem Solving: Ability to debug complex production issues and performance bottlenecks.

● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.

● Adaptability: Proven ability to quickly learn new codebases and business domains.

Job Title: Deployment Lead (Python, Linux, AWS) 

Location: Coimbatore

Overview 

We are seeking an experienced Deployment Lead to oversee the end-to-end deployment lifecycle of our applications and services. The ideal candidate will have deep expertise in Python, strong Linux administration skills, and hands-on experience with AWS cloud infrastructure. You will work closely with engineering, DevOps, QA, and product teams to ensure reliable, repeatable, and scalable deployments across multiple environments. 

Key Responsibilities 

• Lead and manage deployment activities for all application releases across development, staging, and production environments. 
• Develop and maintain deployment automation, scripts, and tools using Python and shell scripting. 
• Own and optimize CI/CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI, or AWS CodePipeline). 
• Oversee Linux server administration, including configuration, troubleshooting, performance optimization, and security hardening. 
• Design, implement, and maintain AWS infrastructure (EC2, S3, Lambda, IAM, RDS, ECS/EKS, CloudFormation/Terraform). 
• Ensure robust monitoring, logging, and alerting using tools such as CloudWatch, Grafana, Prometheus, or ELK. 
• Collaborate with developers to improve code readiness for deployment and production reliability. 
• Manage environment configurations and ensure consistency and version control across environments. 
• Lead incident response during production issues; conduct root-cause analysis and implement long-term fixes. 
• Establish and enforce best practices for deployment, configuration management, and operational excellence. 

Required Skills & Qualifications 

• 5+ years of experience in deployment engineering, DevOps, or site reliability engineering roles. 
• Strong proficiency in Python for automation and tooling. 
• Advanced experience with Linux systems administration (Ubuntu, CentOS, Amazon Linux). 
• Hands-on work with AWS cloud services and infrastructure-as-code (CloudFormation or Terraform). 
• Experience with containerization technologies such as Docker and orchestration platforms like ECS, EKS, or Kubernetes. 
• Strong understanding of CI/CD tools and automated deployment strategies. 
• Familiarity with networking concepts: DNS, load balancers, VPCs, firewalls, VPN, and routing. 
• Expertise with monitoring, alerting, and logging solutions. 
• Strong problem-solving and analytical skills; able to lead troubleshooting efforts. 
• Excellent communication and leadership abilities. 

We are seeking an experienced Senior Backend Engineer to join our passionate team. If you have a strong background in backend development, a track record of delivering scalable and reliable solutions, and are eager to contribute to complex projects, we would love to hear from you.

Responsibilities:

• Design and develop robust, high-performance backend solutions using Python and related technologies.
• Lead the architecture and design discussions for major backend components and services.
• Collaborate closely with cross-functional teams to gather and analyze software requirements.
• Mentor and guide junior and mid-level engineers, fostering their technical growth.
• Review code and provide constructive feedback to ensure code quality and adherence to best practices.
• Identify and address performance bottlenecks, scalability challenges, and technical issues.
• Participate in sprint planning, task estimation, and agile development processes.
• Keep up-to-date with industry trends, tools, and best practices to continuously improve our backend systems.
• Drive the adoption of coding standards, design patterns, and engineering best practices.
• Collaborate with frontend engineers to ensure seamless integration between frontend and backend components.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Minimum of 4 years of professional experience in backend development.
• Strong proficiency in Python and backend frameworks like Django and Flask.
• In-depth knowledge of database systems, both relational (MySQL) and NoSQL (MongoDB, etc. ).
• Proven track record of designing and developing scalable and maintainable backend services.
• Experience with RESTful API design and best practices.
• Solid understanding of software architecture, design principles, and software development lifecycle.
• Previous experience leading or mentoring engineers is a strong plus.
• Strong problem-solving skills and a proactive attitude towards challenges.
• Excellent communication skills, both verbal and written.
• Familiarity with cloud platforms (e. g., AWS, Azure, GCP) and containerization (Docker) is a plus.

We are seeking a motivated and detail-oriented Junior Backend Engineer to join our team. The role involves developing and maintaining backend systems using Django and Python, while also managing on-premises hardware and deployments. You will work closely with cross-functional teams to ensure our software is reliably configured, deployed, and maintained in an on-prem environment.

Key Responsibilities

Backend Development: Design, develop, and maintain backend services and APIs using Python (Django or Flask).

On-Prem Deployment: Install, configure, and manage software on on-premises hardware, including servers and networking equipment.

Database Management: Design database schemas, write efficient queries, and optimize data access layers (PostgreSQL, MySQL, etc.).

API Integration: Implement and maintain RESTful APIs and integrate with third-party services.

Troubleshooting & Debugging: Diagnose and resolve application and infrastructure issues to ensure high availability.

Version Control & CI/CD: Use Git for version control and contribute to continuous integration and delivery pipelines (GitHub Actions, Jenkins, etc.).

Security & Compliance: Work with the team to ensure software and infrastructure meet security and compliance requirements.

Documentation: Maintain clear, comprehensive documentation for your code, configurations, and on-prem deployment processes.

Job Description

Title:- Backend Developer

About us:-

If you think back to your school or college days, the best memories you have are those with your friends! Your first day in college, your best friend, your dorms, hanging in the corridors, your school canteen, all nighters before exams & chilling for weeks after exams - our school lives are filled with so many awesome interactions, experiences & memories. In each of them you’re with a friend, never alone! Humans always have, and will always continue to learn from one another. We are a social learning platform that allows us to learn the way we learn best – socially

It is a network of after-school learning centres meant for inspiration, collaboration, and holistic growth. We encourage children to explore what works best for them. It is our belief that every child deserves the space and opportunity to explore & create. Learning happens best in person, but there is an opportunity to make this experience 10X via modern centres, technology, and powerful communities! We're a mission driven organisation trying to build a network of such learning centres and with empowered teachers in every neighbourhood of our country!

Responsibilities :-

We are looking for a Python(Django) Web Developer responsible for managing the interchange of data between the server and the users. Writing reusable, testable, and efficient code. Design and implementation of low-latency, high-availability, and performance applications. Expert in Python, with good knowledge of Python web framework Django. Understanding of fundamental design principles behind a scalable application.

Skills:- Python, Django, Websockets, storage systems

Our team is looking for experienced backend engineers to lead the development of our cloud-based software products and be responsible for major technical decisions associated with them and accountable for their successful execution.

In this position on the software engineering team, you’ll have the opportunity to contribute to client and internal facing products. FarmSetu’s suite of products spans multiple technical domains and disciplines in software and hardware, and experience in end-to-end systems thinking across distributed components is key for this role.

• Design, implement and deploy back-end services
• Lead the delivery of software projects in a team-based environment
• Collaborate cross-functionally with business users, product managers, customer success representatives and other engineers to define, design, scope and ship new features using elegant solutions.
• Provide recommendations for continuous improvement.
• Work alongside other engineers on the team to elevate technology and consistently apply best practices.
• Help others to improve the quality of their work through regular design and code reviews
• Deliver new features to production environments and support them in operation
• Participate in building the open engineering culture at FarmSetu

FarmSetu’s technology stack includes (but will not be limited to) Python, Django/Flask/FastAPI, GraphQL, Hasura, React, Flutter, Dart, Postgres, Celery, Docker, Git/Bitbucket to be deployed on Digitalocean/GCP infrastructure. We’re also quick to adopt better tools and processes, so you’ll be more than welcome to help shape our tool suite.

• 2+ years of experience developing applications at an enterprise scale using the front and back-end technologies in our stack
• Ability to develop robust and scalable backend services defined by GraphQL and RESTful APIs in Python using OpenAPI standards
• Familiarity with Cloud/SaaS architectures and how to build secure and maintainable services
• Strong understanding of unit testing, design patterns and usage of tools like profilers
• Experience with source control and continuous integration tools
• Worked in an Agile multi-functional team
• Thrive in an environment that requires you to partner with multiple cross-functional teams as stakeholders/customers
• Great oral and written communication skills

• Competitive salary
• Annual compensation reviews
• 12 days of annual leave plus public holidays
• Ongoing investment in you and your skills
• The right equipment for the job

• 3+ years of SDE work experience from Product based companies
• Experience in Java, Spring Boot, MySQL, Kafka, Hbase, AWS
  • Experience in Multi threading, distributed systems, Best practices of coding, scaling

• The Architect/ Lead Backend Engineer will handle the digital experience from inception to go-live model.
• The role holder is expected to create a vision and roadmap for the digital experience to provide best in class customer experience for each of the product solutions handled.  The role holder will play a critical role in leading the innovation and growth of our front end web and mobile platforms.
• Must be from Good Companies and have been working on high Scale of Traffic
• Proficiency in engineering practices and writing high quality code, with expertise in either one of Java or Groovy or Go.
• 3+ years of experience building microservices.
• Strong experience in architecting and building distributed systems, scalability, and availability
• Strong knowledge of data structures, algorithms, and designing for performance
• Strong knowledge of cloud technologies like AWS/Google Cloud/Azure
• Good understanding of RxJava or Actors framework
• Proficient with RDBMS
• Strong knowledge on data stores, database design, data modelling and SQL queries
• Extensive experience building and owning large- scale distributed backend systems
• Experience working with three or more of : Unix/Linux environments, Distributed and parallel systems, Workflow automation, CI/CD Platform development, Cloud platforms development e.g. AWS/GCP, Kubernetes/Container platforms based development