Backend Engineer

Job Title : Python Developer – API Integration & AWS Deployment

Experience : 5+ Years

Location : Bangalore

Work Mode : Onsite

Job Overview :

We are seeking an experienced Python Developer with strong expertise in API development and AWS cloud deployment.

The ideal candidate will be responsible for building scalable RESTful APIs, automating power system simulations using PSS®E (psspy), and deploying automation workflows securely and efficiently on AWS.

Mandatory Skills : Python, FastAPI/Flask, PSS®E (psspy), RESTful API Development, AWS (EC2, Lambda, S3, EFS, API Gateway), AWS IAM, CloudWatch.

Key Responsibilities :

Python Development & API Integration :

• Design, build, and maintain RESTful APIs using FastAPI or Flask to interface with PSS®E.
• Automate simulations and workflows using the PSS®E Python API (psspy).
• Implement robust bulk case processing, result extraction, and automated reporting systems.

AWS Cloud Deployment :

• Deploy APIs and automation pipelines using AWS services such as EC2, Lambda, S3, EFS, and API Gateway.
• Apply cloud-native best practices to ensure reliability, scalability, and cost efficiency.
• Manage secure access control using AWS IAM, API keys, and implement monitoring using CloudWatch.

Required Skills :

• 5+ Years of professional experience in Python development.
• Hands-on experience with RESTful API development (FastAPI/Flask).
• Solid experience working with PSS®E and its psspy Python API.
• Strong understanding of AWS services, deployment, and best practices.
• Proficiency in automation, scripting, and report generation.
• Knowledge of cloud security and monitoring tools like IAM and CloudWatch.

Good to Have :

• Experience in power system simulation and electrical engineering concepts.
• Familiarity with CI/CD tools for AWS deployments.

We are solving complex technical problems in the financial industry and need talented software engineers to join our mission and be a part of a global software development team.

A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

Job Description: 

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• 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 hassuccessfully 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.

About the Role:

As a part of the Tech team, you will be involved in solving technical challenges, working with modern databases and systems, design and architecture of components/services, and handling highly critical secure data.

Responsibilities:

• You’ll be working on our P2P and cryptocurrency exchange platforms to build more features around it.
• Understand the way current users interact with the chatbot and how to optimize the existing content.
• WazirX being a financial product, you’ll be involved in building tools to make our user’s data more secure.
• You will be working on blockchain technologies
• You will help maintain code quality and organization.
• We expect you to learn about new software technologies, and proactively look for ways to make WazirX better.

You'll be a good fit if:

• You’ve got 3 to 6 years of development experience.
• You’re an expert in writing background tasks, test-driven development.
• You’re an expert in Golang 
• You’re good at understanding and implementing multithreaded environments to improve the speed of the execution
• You enjoy collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• You’re committed to quality, and your code solves more problems than it creates ;)

• Designing, implementing and maintaining Java-based applications

• Contributing in all phases of the development lifecycle

• Writing testable, scalable and efficient code

• Test and debug new applications and updates

• Maintain up to date code documentation

• Participating in code reviews
  Should have worked on Springboot and Hibernate

Work Location: Chennai

Work Experience: 5 to 8 Years

• Experience in working with Core Java (Ver 11), Spring, Spring Boot, Hibernate, JSF or Primefaces, SQL
• Familiarity with working with Jasper, Rest API is added plus

• Design, develop, implement, and maintain java application phases, code, and software
• Programming, testing, and debugging
• Competence and comfort using multiple frameworks
• Ability to gather accurate requirements and work closely with stakeholders
• Strong attention to detail with the ability to identify errors 

• Graduate in Computer Science / Computer Applications / Engineering / Information Technology

Mandatory skills:

.Netcore3.x,microservice and AWS or Azure.

Exp : 5-12 years

Budget : Max 30 LPA.

Looking for short notice people.

• Expert software implementation and automated testing
• Promoting development standards, code reviews, mentoring, knowledge sharing
• Improving our Agile methodology maturity
• Product and feature design, scrum story writing
• Build, release, and deployment automation
• Product support & troubleshooting

• Demonstrated experience as a Java
• Should have a deep understanding of Enterprise/Distributed Architecture patterns and should be able to demonstrate the relevant usage of the same
• Turn high-level project requirements into application-level architecture and collaborate with the team members to implement the solution
• Strong experience and knowledge in Spring boot framework and microservice architecture
• Solid demonstrated object-oriented software development experience with Java, SQL, Maven, relational/NoSQL databases, and testing frameworks
• Strong working experience with developing RESTful services
• Should have experience working on Application frameworks such as Spring, Spring Boot, AOP

• Ability to take up tasks independently and willing to be an individual contributor when required
• Working experience or knowledge of Scrum/Kanban and SAFe agile processes
• Should have an excellent communication skill (Verbal & Oral)