Lead Backend Developer

We are looking to expand our existing Python team across our offices in Surat. This position is for SDE-1 - Junior Software Engineer.

The requirements are as follows:

1) Familiar with the the Django REST API Framework.

2) Experience with the FAST API framework will be a plus

3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )

4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus

5) Experience with any ML library will be a plus.

6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.

7) Familiar with basic code patterns like MVC.

8) Grasp on basic data structures.

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location – Pune

While you may already know about Wissen and the company history, here is a quick rundown for you.

About Wissen Technology:

·        The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.

·        Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.

·        Our workforce has 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 has grown its revenues by 400% in these five years without any external funding or investments.

·        Globally present with offices US, India, UK, Australia, Mexico, and Canada.

·        We offer 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.

·        Wissen Technology has been certified as a Great Place to Work®.

·        Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

·        Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

·        We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, Goldman Sachs, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.

Job Description:

Experience Required: 3–5years

Job Title: Application Development Engineer (Python – Backtesting & Index Platforms)

Role Overview

We are seeking a strong Python Application Engineer to help build a next-generation Index Backtesting and Rebalance Platform.

In this role, you will design and develop deterministic, scalable calculation engines that convert financial methodologies into production-grade software.

You will work on portfolio construction, rebalancing logic, and historical simulations while consuming reference and market data from Snowflake using python as your core processing tool.

Key Responsibilities

Engine Development: Design and implement modular, reusable Python components for index construction, rebalancing, and backtesting.

Large-Scale Simulation: Use Pandas, NumPy, and PySpark to run historical calculations across long time horizons and multiple index variants.

Workflow Integration: Integrate engines with orchestrators such as Airflow or Temporal using parameterized, config-driven execution.

Reference Data Consumption: Query and utilize pricing, security master, and corporate action data from Snowflake.

Quality & Reconciliation: Build automated test harnesses to validate outputs, compare against benchmarks, and guarantee reproducibility.

Performance Optimization: Improve runtime efficiency through vectorization, caching, and distributed computing patterns.

Cross-Team Collaboration: Partner with Business, Index Ops, and Platform teams to accelerate research-to-production onboarding.

Required Technical Capabilities

Python Expertise: Strong proficiency in Python application development with emphasis on clean architecture and maintainable design.

Data & Numerical Libraries: Deep experience with Pandas and NumPy; working knowledge of PySpark for distributed workloads.

Financial Computation: Ability to implement portfolio mathematics, weighting algorithms, and time-series transformations.

Config-Driven Systems: Experience building rule-based or metadata-driven processing frameworks.

Database Skills: Strong SQL and experience consuming structured data from Snowflake.

Testing Discipline: Expertise in unit testing, regression testing, and deterministic replay of calculations.

Orchestration Integration: Familiarity with Airflow, Temporal, or similar workflow engines.

Cloud Infrastructure: Solid understanding of AWS ecosystem services (S3, Lambda, IAM).

Technical Skills:

• Technical Skills:
• Python, PySpark, Pandas, NumPy, AWS (S3, Lambda), Apache Airflow, SQL, Financial Services Domain Knowledge, Strong Communication Skills.
• 
  

Strong Software Engineer, Engineering Manager Profiles

Mandatory (Experience) – Must have minimum 4+ years of hands on experience in software development

Mandatory (Tech Skillset) – Must have 3+ years of hands-on experience in backend development using Java / Node.js / Go / Python (any 1) OR 3+ YOE in frontend Development using React / Angular / Vue (any 1)

Mandatory (Mentoring Skillset) – Must have at least 1+ year of experience leading or mentoring a team of software engineers.

Mandatory (Tech Skills) – Must have a solid understanding of microservices architecture, APIs, and cloud platforms (AWS / GCP / Azure).

Mandatory (DevOps Skillset) – Must have hands-on experience working with Docker, Kubernetes, and CI/CD pipelines.

Mandatory (Company) – Top-tier/renowned product-based company (preferred Entreprise B2B SaaS)

Mandatory (Education) – Undergraduation from Tier-1 Engineering College (IIT, BITS, IIIT, NSUT, DTU, etc.)

Mandatory (Note): No hire policy from Sprinklr

Description :

Job Title : Python Engineer- AI Agents & Code Optimization

Experience : 2+ Years

Employment Type : Full-time

Location : Remote

About the Role :

We are looking for a hands-on Software Engineer to build and improve AI agents that work directly on our production code.

Your core responsibility will be to design and evolve a specialized AI agent that deeply understands our codebase and actively helps make it faster, cleaner, simpler, and cheaper to maintain.

This is not a research role. This is real work on real systems with real business impact.

How We Work :

- Business impact first : Cheaper, Faster, Better

- Simple beats complex always

- Small changes, shipped fast

- You own your work end-to-end

- First question is always : Do we even need this?

- Flat team, zero micromanagement

- Decisions can change adaptability matters

- No long PRDs : one clear goal ? discuss ? execute

- Ship, measure, improve, repeat

What You Will Do :

- Build and use AI agents to optimize, refactor, and remove code

- Feed logs, metrics, and performance data back into AI agents

- Profile applications and identify performance bottlenecks

- Optimize SQL queries and database usage

- Improve deployment pipelines and release processes

- Continuously improve internal AI tooling

- Work closely with infrastructure and production systems

Tech You Should Be Comfortable With :

You dont need to be an expert in everything, but you should be comfortable working with :

- Linux CLI (Required)

- Python

- PHP

- SQL (MySQL or MariaDB)

- Shell scripting

- Large Language Models (LLMs)

What Were Looking For :

- 2+ years of software engineering experience (or strong hands-on projects)

- Solid understanding of performance optimization

- Experience cleaning up legacy or messy codebases

- Practical profiling and debugging skills

- Comfortable working close to infrastructure and deployments

- Automation-first mindset

- Ability to explain technical decisions clearly and simply in English

Nice to Have :

- Experience building AI agents

- Exposure to large or long-running systems

- CI/CD or deployment automation experience

When You Join :

- Career Growth : You are expected to grow into a tech lead, entrepreneur, or highly skilled specialist

- Bleeding-Edge Tech : Hands-on experience with alpha/beta software, cutting-edge infrastructure, and top tier hardware

- Global Exposure : Work with a global team and directly with C-level leadership

- Real Impact : Your code directly solves real user problems and moves the company forward

Position: Software Development Engineer - 2

Location: Bangalore/Remote

Role Overview

We are looking for a Software Development Engineer - 2 with 4-6 years of experience who is passionate about writing clean, scalable code and enjoys solving complex backend challenges. As part of the engineering team, you’ll work on designing, developing, and maintaining backend services, primarily in Python, with exposure to other backend technologies like Node.js and Go. You'll contribute to our microservices architecture, APIs, and cloud-native solutions, ensuring security and performance at scale.

Responsibilities

• Write, test, and maintain scalable and efficient backend code in Python (FastAPI or similar frameworks).
• Collaborate with cross-functional teams to design and implement APIs and microservices.
• Ensure code quality by writing and reviewing test cases, and conducting code reviews.
• Handle bug fixing and troubleshooting for backend systems as needed.
• Build and optimize backend systems to positively impact business outcomes.
• Design and implement cloud-native solutions with a focus on performance and security.
• Monitor system health and continuously improve performance and reliability.
• Contribute to process and code improvements, focusing on best practices.

Must-Have Technical Skills

• 4-6 years of experience working with Python (preferably FastAPI or other frameworks).
• Strong understanding of OOP principles and best coding practices.
• Experience in designing and releasing production APIs.
• Proficiency in RDBMS and NoSQL databases.
• Familiarity with microservices and event-driven architecture.
• Experience in cloud-native application development (SaaS).
• Knowledge of cloud services such as GCS, AWS, or Azure.
• Strong focus on security in design and coding practices.

Good-to-Have Skills

• Experience in building and maintaining CI/CD pipelines.
• Hands-on experience with NoSQL DBs.
• Exposure to working in a cloud environment and familiarity with infrastructure management.
• Aggressive problem diagnosis and creative problem-solving skills.
• Excellent communication skills for collaborating with global teams.

About Us 

Scrut Automation is an information security and compliance monitoring platform, aimed at helping small and medium cloud-native enterprises develop and maintain a robust security posture, and comply with various infosec standards such as SOC 2, ISO 27001, GDPR, and the like with ease. With the help of the Scrut platform, customers reduce their manual effort for security and compliance tasks by 70%, and build real-time visibility of their security posture. 

Founded by IIT/ISB/McKinsey alumni, the founding team has over 15 years of combined Infosec experience. Scrut is built out of India for the world, with customers across India, APAC, North America, Europe and the Middle East. Scrut is backed by Lightspeed Ventures, MassMutual Ventures and Endiya Partners, along with prominent angels from the global SaaS community.

Why should this job excite you?

• Flat-hierarchy, performance-driven culture 
• Rapid growth and learning opportunities
• Comprehensive medical insurance coverage 
• A high-performing action-oriented team 
• Competitive package, benefits and employee-friendly work culture

Note: Due to a high volume of applications, only shortlisted candidates will be contacted. Thank you for your understanding.

You have 3 to 14 yrs of software engineering & product delivery experience with strong

background in datastructures & algorithms

• You’ve proven software development credentials having successfully built complex

products

• You are experienced with one or more general programming languages (e.g. Java, C/C++,

Go). Ability to learn other coding languages as needed.

• You’ve proven software development credentials having successfully built complex

products

• You have a strong foundation in the fundamentals of computer science, with familiarity in

data structures, algorithms and a strong command of object-oriented principles.

• You have experience in one or more of the following areas: Server Backend, Distributed

and Parallel Systems, Full Stack Development (frontend and backend), Scalable Enterprise

Platforms and Applications, Application Security and Incident Management, Android,

iOS, and Machine Learning.

• You have a spark that separates you from the crowd and ability to think out of the box and

on your feet

• You possess multi-dimensional skills that make you a valuable co-worker in a fast,

changing and ambiguous environment

• You have the ability to learn other coding languages as needed real quick

• You are comfortable in working with a team that deals with ambiguity every day

Job Description :-

• Have intermediate/advanced knowledge of Python.
• Hands-on experience with OOP in Python. Flask/Django framework, ORM with MySQL, MongoDB is a plus.
• Must have experience of writing shell scripts and configuration files. Should be proficient in bash.
• Should have excellent Linux administration capabilities.
• Working experience of SCM. Git is preferred.
• Should have knowledge of the basics of networking in Linux, and computer networks in general.
• Experience in engineering practices such as code refactoring, design patterns, design driven development, Continuous Integration.
• Understanding of Architecture of OpenStack/Kubernetes and good knowledge of standard client interfaces is a plus.
• Code contributed to OpenStack/Kubernetes community will be plus.
• Understanding of NFV and SDN domain will be plus.

Requirements 

•  3-5 years of experience working on Python Environment

•  Knowledge on software development methodologies and being able to work on projects individually or as part of a team. Should be able to work with AGILE methodology
•  Knowledge of relational databases, version control tools and other development tools
•  Understanding of the threading limitations of Python, and multi-process architecture
•  Understanding of accessibility and security compliance
•  Strong interest in learning new skills/technologies and curiosity to explore various Technologies.

•  Should have strong analytical skills
•  Good communication
•  Able to integrate multiple data sources and databases into one system
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform

Must Required Skills:

• Python 2/3
•  should have worked on one or more major Python web frameworks like Django.
• Worked with APIs development, integration of third-party APIs
• Working knowledge of MySQL databases integration with Python Environment.

Roles and Responsibilities

• Apply knowledge set to fetch data from multiple online sources, cleanse it and build APIs on top of it
• Develop a deep understanding of our vast data sources on the web and know exactly how, when, and which data to scrap, parse and store
• We're looking for people who will naturally take ownership of data products and who can bring a project all the way from a fast prototype to production.
• Integrating and maintaining Python services
• Developing robust microservices and applications

Desired Candidate Profile

• Strong relevant experience of at least 2-3 years.
• Strong coding experience in Python3.
• Should have good experience with Django and NodeJs.
• Proficient on modelling applications on both RDBMS and NOSQL databases
• Should have experience in web scraping
• Good understanding and hands-on with scheduling and managing tasks with cron
• Should have experience with microservice architecture
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
• Should have experience in shell scripting, GIT and docker
• Writing unit tests for 100% code coverage.

• Strong first principles
• Hustle! We're young, lean, and in our early days. You'd have to set up your own shop, work with design customers to find generalizable use cases, and build them out.
• Ability to collaborate with cross-functional teams to build and ship new features
• At least 2-6 years of experience with primary exp in Python
• Must have skills - Flask / Django, RESTful Web Services, Database SQL / NoSQL
• The preferred Location is Bangalore but is also flexible with PAN India.
• Would require candidates from Tier 1 & 2 Companies or Tier 1 & 2 Colleges preferably.
• Proficient experience of back-end programming language - Python
• The preferred Location is Bangalore but is also flexible with PAN India.
• Would require candidates from Tier 1 & 2 Companies or Tier 1 & 2 Colleges preferably.