Senior Backend Developer

Job Title: Python Developer (Full Time)

Location: Hyderabad (Onsite)

Interview: Virtual and Face to Face Interview (Last round)

Experience Required: 4 + Years  

Working Days: 5 Days

About the Role

We are seeking a highly skilled Lead Python Developer with a strong background in building scalable and secure applications. The ideal candidate will have hands-on expertise in Python frameworks, API integrations, and modern application architectures. This role requires a tech leader who can balance innovation, performance, and compliance while driving successful project delivery.

Key Responsibilities

1. Application Development

• Architect and develop robust, high-performance applications using Django, Flask, and FastAPI.

1. API Integration

• Design and implement seamless integration with third-party APIs (including travel-related APIs, payment gateways, and external service providers).

1. Data Management

• Develop and optimize ETL pipelines for structured and unstructured data using data lakes and distributed storage solutions.

1. Microservices Architecture

• Build modular, scalable applications using microservices principles for independent deployment and high availability.

1. Performance Optimization

• Enhance application performance through load balancing, caching, and query optimization to deliver superior user experiences.

1. Security & Compliance

• Apply secure coding practices, implement data encryption, and ensure compliance with industry security and privacy standards (e.g., PCI DSS, GDPR).

1. Automation & Deployment

• Utilize CI/CD pipelines, Docker/Kubernetes, and monitoring tools for automated testing, deployment, and production monitoring.

1. Collaboration

• Partner with front-end developers, product managers, and stakeholders to deliver user-centric, business-aligned solutions.

Requirements

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

Technical Expertise

• 4+ years of hands-on experience with Python frameworks (Django, Flask, FastAPI).
• Proficiency in RESTful APIs, GraphQL, and asynchronous programming.
• Strong knowledge of SQL/NoSQL databases (PostgreSQL, MongoDB) and big data tools (Spark, Kafka).
• Familiarity with Kibana, Grafana, Prometheus for monitoring and visualization.
• Experience with AWS, Azure, or Google Cloud, containerization (Docker, Kubernetes), and CI/CD tools (Jenkins, GitLab CI).
• Working knowledge of testing tools: PyTest, Selenium, SonarQube.
• Experience with API integrations, booking flows, and payment gateway integrations (travel domain knowledge is a plus, but not mandatory).

Soft Skills

• Strong problem-solving and analytical skills.
• Excellent communication, presentation, and teamwork abilities.
• Proactive, ownership-driven mindset with the ability to perform under pressure.

Bachelor’s Degree or equivalent degree in computer science

Min 1-3 years of experience in Python and backend technology

Development experience with programming languages like C/C++, Erlang, Elixir.

Experience in Python / Go Lang is a must

Experience in creating and dealing with REST API and socket technology

Working Knowledge of RabbitMQ and Kafka

Knowledge of both SQL and NoSQL databases along with Redis and elastic search.

Working knowledge of network communication, TCP, UDP, HTTP, etc

Roles and Responsibilities:        

Participate in the entire application lifecycle, focusing on coding and debugging

Write clean code to develop functional web applications

Troubleshoot and debug applications

Perform UI tests to optimize performance

Manage cutting-edge technologies to improve legacy applications

Collaborate with Front-end developers to integrate user-facing elements with server-side logic

Gather and address technical and design requirements

Provide training and support to internal teams

Build reusable code and libraries for future use

Liaise with developers, designers, and system administrators to identify new features

Follow emerging technologies

Optimizing multiple producers and multiple consumer system

Develop a Fault-tolerant application design.

🚀 Hiring: Java Developer at Deqode

⭐ Experience: 2+ Years

📍 Location: Mumbai

⭐ Work Mode:- 5 Days Work from Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

We are looking for a Java Developer (Mid/Senior) to join our Implementation & Application Support team supporting critical fintech platforms. The role involves backend development, application monitoring, incident management, and close collaboration with customers. Senior developers will handle escalations, mentor juniors, and drive operational excellence.

Key Responsibilities (Brief)

✅ Develop and support Java applications (Spring Boot / Quarkus).

✅Monitor applications and resolve production issues.

✅Manage incidents, perform root cause analysis, and handle ITSM tickets.

✅Collaborate with customers and internal teams.

✅(Senior) Lead escalations and mentor junior engineers.

Top Skills Required

✅ Java, Spring Boot, Quarkus

✅Application Support & Incident Management

✅ServiceNow / JIRA / ITSM tools

✅Monitoring & Production Support

✅Kafka, Redis, Solace, Aerospike (Good to have)

✅Docker, Kubernetes, CI/CD (Plus)

10+ years of experience in web application design and development

• 10+ years experience with Ruby on Rails

• 5+ years of experience in Jenkins and must have an understanding of CI/CD pipelines

• Analyze, design, develop, and maintain scalable solutions.

• Participate in code review.

• Collaborate with design team to create customer friendly solutions.

• Work with the support team to fix any bugs that arise in code.

• Perform debugging and troubleshooting of existing code base. • Good knowledge of Dockers containers. • Experience with Git/GitHub/AWS DevOps. • Work within a wide range of new and legacy code and technologies in a mature codebase o Experience with React-o Experience with AWS Lambda

Nice to have: Experience with building integrations with 3rd party services/tools such as:o Experience with Sinatra Experience with WordPress, Drupal, Sitecore Experience with MongoDB

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Project Overview: We are looking for expert level Postgres database developer to work on a software application development project for a fortune 500 US based telecom client. The application is web based and used across multiple teams to support their business processes. The developer will be responsible for developing various components of the Postgres database and for light administration of the database.

Key Responsibilities: Collaborate with onshore, offshore and other team members to understand the user stories and develop code. Develop and execute scripts to unit test. Collaborate with onshore developers, product owner and the client team to perform work in an integrated manner.

Professional Attributes: Should have the ability to work independently and seek guidance as and when necessary - Should have good communication skills - Flexible working in different time zones if necessary - Good team player - Mentoring juniors

Experience preferred:

• Extensive experience in Postgres database development (expert level)
• Experience in Postgres administration.
• Must have working experience with GIS data functionality
• Experience handling large datasets (50-100M tables)
• Preferred – exposure to Azure or AWS
• Must have skillsets for database performance tuning
• Familiarity with web applications
• Ability to work independently with minimal oversight
• Experience working cohesively in integrated teams
• Good interpersonal, communication, documentation and presentation skills.
• Prior experience working in agile environments
• Ability to communicate effectively both orally and in writing with clients, Business Analysts and Developers
• Strong analytical, problem-solving and conceptual skills
• Excellent organizational skills; attention to detail
• Ability to resolve project issues effectively and efficiently
• Ability to prioritize workload and consistently meet deadlines
• Experience working with onshore-offshore model

A candidate who has a strong background in the design and implementation of scalable architecture and a good understanding of Algorithms, Data structures, and design patterns. Candidate must be ready to learn new tools, languages, and technologies

Microservices, MySQL/Postgres, Kafka/Message Queues, Elasticsearch, Data pipelines, AWS Cloud, Clickhouse/Redshift

• Minimum 6 years of experience
• Good understanding of various database types: RDBMS, NoSQL, GraphDB, etc
• Ability to build highly stable reliable APIs and backend services.
• Should be familiar with distributed, high availability database systems
• Experience with queuing systems like Kafka
• Hands-on in cloud infrastructure AWS/GCP/Azure
• Highly plus if know one or more of the following: Confluent ksql, Kafka connect, Kafka streams
• Hands-on experience with data warehouse/OLAP systems such as Redshift, click house and added plus. 
• Good communication and interpersonal skills

• Ability to join a small and growing team, and work with some of the coolest people you've ever met
• Opportunity to make an impact, and leave your mark on this organization.
• Competitive compensation, with the ability to shape your own career trajectory
• Go Extra Mile with Learning and Development

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality on content, interact and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.

The ideal candidate should be a proactive individual with strong communication skills and a team player.

Should have hands-on experience in the following:

• He or she should have experience of at least 2 - 4 years in Java development.
• Hands-on experience in designing and developing applications using Java EE platforms and at least 2 - 4 years of experience on the same.
• Should have excellent in-depth knowledge on core java, JSP, servlets, and beans
• Experience in multi-threaded server-side Java programming
• Working knowledge of web services.
• Working knowledge on hibernate and springs framework.
• Experience in writing SQL queries.
• Should have worked in an SDLC environment.
• Good communication skills.
• Experience in working effectively within a team

• Minimum 7 years of relevant work experience in similar roles.
• Hands-on experience developing and delivering scalable multi-tenant SaaS applications on AWS platform.
• In-depth knowledge of Spring, Spring Boot, Java, REST Web Services, SQL databases, microservices, GRAND stack, SQL and NoSQL databases.
• In-depth knowledge and experience developing and delivering scalable data lakes, data ingestion and processing pipelines, data access microservices.
• In-depth knowledge of AWS platform, tools and services, specifically AWS networking and security, Route53, API Gateway, ECS/Fargate, RDS; Java/Spring development; modern database and data processing technologies; DevOps; microservices architecture; container/Docker technology.
• Outstanding collaboration and communication skills. Ability to effectively collaborate with distributed team.
• Understand and practice agile development methodology.
• Prior experience working in a software product company.
• Prior experience with security product development.

Nice to Have:

• AWS Certified Developer certification is highly desired.
• Prior experience with Apache Spark and Scala.