
We are looking for an exceptional Python Backend Developer to join our engineering team. You will be responsible for managing the interchange of data between the server and the users, developing server-side logic, and ensuring high performance and responsiveness to requests from the front end. The ideal candidate must have a rock-solid foundation in core computer science concepts, specifically Object-Oriented Programming (OOP) and Data Structures and Algorithms (DSA), to design and implement highly scalable and optimised backend systems.
Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable Python code.
- Develop robust, highly scalable, and low-latency backend architectures and APIs.
- Apply strong OOPS principles to build modular and maintainable software systems.
- Utilise advanced Data Structures and Algorithms (DSA) to solve complex computational problems and optimise application performance.
- Integrate user-facing elements developed by front-end developers with server-side logic.
- Implement security and data protection measures.
- Identify bottlenecks, troubleshoot bugs, and devise elegant solutions to mitigate these issues.
- Collaborate cross-functionally with product managers, front-end developers, and QA engineers to deliver high-quality features.
Requirements:
- Core Python: Strong proficiency in Python programming with a deep understanding of its quirks, ecosystem, and best practices.
- OOPs Expertise: Excellent command over Object-Oriented Programming concepts (Inheritance, Polymorphism, Encapsulation, Abstraction) and design patterns.
- DSA Proficiency: Strong problem-solving skills with a deep understanding of Data Structures (Arrays, Trees, Graphs, Hash Tables, etc. ) and Algorithms (Sorting, Searching, Dynamic Programming, etc. ).
- Frameworks: Hands-on experience with popular Python web frameworks such as Django, FastAPI, or Flask.
- Database Management: Solid understanding of relational databases (e. g., PostgreSQL, MySQL) and ORM (Object-Relational Mapper) libraries.
- API Development: Experience in designing and developing RESTful APIs.
- Version Control: Proficient understanding of code versioning tools, such as Git.
- Clean Code: A strong commitment to writing clean, readable, and properly documented code.
Good to Have (Optional):
- Experience with NoSQL databases (e. g., MongoDB, Redis).
- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker, Kubernetes).
- Knowledge of asynchronous programming in Python (asyncio).

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Here’s a link to our website: www.impactanalytics.co.
Impact Analytics builds AI-powered, Cloud-Native products and platforms. As we tackle increasingly complex backend challenges, we are looking for seasoned backend architects to collaborate with product and engineering teams in shaping the future of enterprise software.
Meet the Team: Rooted in AI and Engineering first principles, our cross-functional teams of ML and AI Engineers and Data Scientist thrive in a fast-paced, innovation-driven environment. We emphasize collaboration, continuous learning, and high-impact delivery. Our backend teams specialize in modern frameworks, data platforms, infrastructure engineering, DevOps practices, and scalable service architectures. Top performers are recognized, valued, and supported with ample growth opportunities.
Role Overview: This is a senior-level, individual contributor role focused on hands-on technical leadership in backend architecture. The role is centered around three core areas:
● Drive complex backend architecture initiatives that span across multiple engineering and technology domains.
● Lead strategic R&D efforts to evaluate new backend technologies, frameworks, and methodologies, and champion their adoption company-wide. ● Spearhead our Multi-Cloud & Hybrid-Cloud backend strategies, ensuring scalable, secure, and resilient architecture patterns.
What our ideal candidate may look like:
● 14+ years of software development experience, with at least 4 years as an Architect or Staff Engineer role, particularly in backend systems.
● A backend technology expert with in-depth, hands-on experience in building and scaling enterprise SaaS with distributed architecture, In depth knowledge of Rest and Event driven architecture with low latency and high-throughput in memory systems.
● Designing stateful backend to handle large data including message broker, distributed queue, caching. Good understanding of High Availability and Disaster recovery for the critical production system.
● In depth understanding of Async, Multi Threading and Multi Processing Architecture to ensure our system efficiently use the programming principle for higher concurrency support
● Proficiency in following programming languages (Python, Rust), with a strong foundation in software engineering principles. Knowledge of Rust is a strong plus, especially in the context of high-performance, memory safety and ownership.
● Deep understanding of system design, database architecture (SQL & NoSQL), microservices, observability, resilience engineering, and secure coding practices.
● Exposure to big data platforms, stream processing, machine learning infrastructure, and multi-cloud environments (e.g., AWS, GCP, Azure) is preferred.
● Excellent communicator and collaborator, with the ability to influence and align cross-functional stakeholders.
● Proven experience mentoring engineers and guiding architectural decisions at scale.
What We Offer
● Opportunity to lead large, high-impact projects for global Fortune 500 clients.
● Work in a high-growth startup environment with a flat, collegial culture.
● Best-in-class remuneration and benefits.
● A platform for personal and professional growth with ownership and autonomy.
Some of our accolades include:
● Ranked as one of America's Fastest-Growing Companies by Financial Times for five consecutive years: 2020-2024.
● Ranked as one of America's Fastest-Growing Private Companies by Inc. 5000 for seven consecutive years: 2018-2024.
● Voted #1 by more than 300 retailers worldwide in the RIS Software LeaderBoard 2024 report.
● Ranked #72 in America’s Most Innovative Companies list in 2023—by Fortune—alongside companies like Microsoft, Tesla, Apple, IBM, etc.
● Forged a strategic partnership with Google to equip retailers with cutting-edge generative AI tools.
● Recognized in multiple Gartner reports, including Market Guides and Hype Cycle, spanning assortments, merchandising, forecasting, algorithmic retailing, and Unified Price, Promotion, and Markdown Optimization Applications.
Numino Labs
Business: Software product engineering services: Pune, Goa.
Clients: Software product companies in the USA.
Business model: Exclusive teams for working on client products; direct and daily interactions with clients
Client
Silicon Valley startup in genAI: 45m+ in funding.
Product: B2B SaaS.
Core IP: Physics AI foundation model for hardware designers with specific focus on semi-conductor chip design.
Customers: World's top chip manufacturers
Responsibilities
- Team player: Delivers effectively with teams; interpersonal skills, communication skills, risk management skills
- Technical Leadership: Works with ambiguous requirements, designs solutions, independently drives delivery to customers
- Hands on coder: Leverages AI to drive implementation across Reactjs, Python, DB, UnitTest, TestAutomation & Cloud Infra & CI/CD Automation.
Requirements
- Strong computer science fundamentals: data structures & algorithms, networking, RDBMS, and distributed computing
- 8-15 years of experience on Python Stack: Behave, PyTest, Python Generators & async operations, multithreading, context managers, decorators, descriptors
- Python frameworks: FastAPI or Flask or DJango or SQLAlchemy
- Expertise in Microservices, REST/gRPC APIs design, Authentication, Single Sign-on
- Experience in high performance delivering solutions on Cloud
- Some experience in FE: Js & Nextjs/ReactJs
- Some experience in DevOps, Cloud Infra Automation, Test Automation
Strong Full stack/Backend engineer profile
Mandatory (Experience): Must have 2+ years of hands-on experience as a full stack developer (backend-heavy)
Mandatory (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures
Mandatory (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS
Mandatory (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis
Mandatory (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS
Mandatory (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring
Mandatory (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design
Mandatory (Company) : Product companies (B2B SaaS preferred)
Mandatory (Stability): Must have atleast 2 years of experience in each of the previous companies (if less exp, then proper reason)
Requirements
- 3+ years work experience with production-grade python. Contribution to open source repos is preferred
- Experience writing concurrent and distributed programs, AWS lambda, Kubernetes, Docker, Spark is preferred.
- Experience with one relational & 1 non-relational DB is preferred
- Prior work in the ML domain will be a big boost
What You’ll Do
- Help realize the product vision: Production-ready machine learning models with monitoring within moments, not months.
- Help companies deploy their machine learning models at scale across a wide range of use-cases and sectors.
- Build integrations with other platforms to make it easy for our customers to use our product without changing their workflow.
- Write maintainable, scalable performant python code
- Building gRPC, rest API servers
- Working with Thrift, Protobufs, etc.
Requirements:
• Should be a go-getter, ready to shoulder more responsibilities, and shows enthusiasm and interest in work.
• Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, and Web service.
• Should have work experience on the following stacks/libraries: Flask
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process architecture Familiarity with event-driven programming in Python
• Basic understanding of front-end technologies, such as Angular, JavaScript, HTML5 and CSS3
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Understanding of accessibility and security compliance
• Experience in both RDBMS(MySQL), NoSQL databases (MongoDB, HDFS, HIVE etc) or in-memory caching technologies such as ehcache etc is preferable.
Enguru is India’s leading destination for online learning English, with over 4 crore learners who have used our products. enguru caters to multiple audiences, including adult and children learners looking to learn English through live group and/or personal classes.
About the role
You will get to lead backend development across the enguru product suite, including our spoken English app for adults and spoken English app for kids amongst others. You will work closely with other engineers and product managers to help optimise the architecture across our apps.
Desired Experiences & Skillsets
- Experience with Python/Django and worked with &
- End-to-end expertise in web application
- Strong understanding of structured & unstructured databases
- Proficient with JS Frameworks
- Dev-ops experience around handling deployments &
- Led and/or collaborated closely with team members
Proficiency with tools such as
- Python
- Django
- Rest APIs (and RESTful API principles)
- Angular
- React
- mongoDB
- AWS
- Docker
Skills:
- Expertise in Python 3 on AWS serverless
- Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
- Proficient in modern microservice-based architectures and methodologies.
- Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
- Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
- Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
- Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
- Experience with Github and advanced Github features (good to have).
- Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
3+ years of hands-on experience in Go Lang & its design patterns
Worked in telecom domain
Good understanding of events & handler
Strong understanding & hands on experience in concurrency, go routines & channels
Strong understanding & hands on experience in Spring frameworks and their modules
Integration experience with REST or SOAP APIs
Strong hands-on experience in webservices and API
Good to have:
Docker & Kubernetes
Python development knowledge
Experience in Cloud technologies
Soft Skills:
Good communication skills & presentation skills.
Self-driven work attitude
Should be independently able to drive the tasks.











