Backend Engineer

Strong Python Backend Engineer Profile with hands-on GenAI capabilities

Mandatory (Experience 1) – Must have 3+ years of experience in application development using Python (Django) with atleast 6 months of hands on experience building GenAI applications in production

Mandatory (Tech skill 1) – Must have strong proficiency in Python with a backend framework (Django, Flask or FastAPI) and developing/consuming RESTful APIs.

Mandatory (Tech skill 2) – Must have hands-on experience integrating LLMs (OpenAI GPT-4, Claude, Llama or similar) into production and orchestrating LLM workflows (LangGraph, LangChain)

Mandatory (Tech skill 3) – Must have experience building RAG pipelines using vector databases such as Pinecone or PGVector.

Mandatory (Tech skill 4) – Must have experience with relational databases (PostgreSQL, MySQL) and writing efficient, scalable queries.

Mandatory (Tech skill 5) – Must have a good understanding of software design principles, code modularity and version control (Git).

Mandatory (Education) – Must have a full-time B.E./B.Tech degree, with a minimum of 60% throughout (10th, 12th and B.E./B.Tech). Only B.E./B.Tech is considered; however, the 60% benchmark can be relaxed for candidates with strong technical skills (Kindly mention in resume)

Mandatory (Communication) – Must have good communication skills in both English and Hindi.

Mandatory (Company): IT services/IT consulting

Job Title : Senior Python Developer – Product Engineering

Experience : 5 to 8 Years

Location : Pune, India (Hybrid – 3-4 days WFO, 1-2 days WFH)

Employment Type : Full-time

Commitment : Minimum 3 years (with end-of-term bonus)

Openings : 2 positions

• Junior : 3 to 5 Years
• Senior : 5 to 8 Years

Mandatory Skills : Python 3.x, REST APIs, multithreading, Celery, encryption (OpenSSL/cryptography.io), PostgreSQL/Redis, Docker/K8s, secure coding

Nice to Have : Experience with EFSS/DRM/DLP platforms, delta sync, file systems, LDAP/AD/SIEM integrations

🎯 Roles & Responsibilities :

• Design and develop backend services for DRM enforcement, file synchronization, and endpoint telemetry.
• Build scalable Python-based APIs interacting with file systems, agents, and enterprise infra.
• Implement encryption workflows, secure file handling, delta sync, and file versioning.
• Integrate with 3rd-party platforms: LDAP, AD, DLP, CASB, SIEM.
• Collaborate with DevOps to ensure high availability and performance of hybrid deployments.
• Participate in code reviews, architectural discussions, and mentor junior developers.
• Troubleshoot production issues and continuously optimize performance.

✅ Required Skills :

• 5 to 8 years of hands-on experience in Python 3.x development.
• Expertise in REST APIs, Celery, multithreading, and file I/O.
• Proficient in encryption libraries (OpenSSL, cryptography.io) and secure coding.
• Experience with PostgreSQL, Redis, SQLite, and Linux internals.
• Strong command over Docker, Kubernetes, CI/CD, and Git workflows.
• Ability to write clean, testable, and scalable code in production environments.

➕ Preferred Skills :

• Background in DRM, EFSS, DLP, or enterprise security platforms.
• Familiarity with file diffing, watermarking, or agent-based tools.
• Knowledge of compliance frameworks (GDPR, DPDP, RBI-CSF) is a plus.

• Proficient in .NET Framework, C#, ASP.NET, MVC, Web API, Entity Framework. Strong design capabilities with SOLID principles using C#. Working knowledge in WCF. Database knowledge in SQL Design, and deliver innovative software solutions in collaboration with Technology teams. Develop high-quality production code Experience in HTML, CSS, Javascript. Experience in React / Angular or Typescript preferred

Position: Python Developer

Location: Andheri East, Mumbai

Work Mode: 5 Days WFO

Availability: Immediate joiners only (or notice period completed)

What We're Looking For:

✅ 2+ years of solid Python development experience

✅ Django framework expertise - must have!

✅ FastAPI framework knowledge - essential!

✅ Database skills in MongoDB OR PostgreSQL

✅ Ready to work from office 5 days a week

JOB DESCRIPTION:

Location: mumbai, bangalore, pune

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

For more details:

Website: www.wissen.com

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

LinkedIn: Wissen Technology

Function: Software Engineering → Backend Development

• Python
• Flask

Requirements:

• Should be a go-getter, ready to shoulder more responsibilities, shows enthusiasm and interest in work.
• Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, Web service.
• Should have work experience on 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.

About Tazapay Tazapay is founded by 3 seasoned professionals with extensive experience in payments, ecommerce, technology, cross border trade and high growth technology businesses. The company is financially backed by the likes of Sequoia Capital, Saison Capital, RTP Global etc. We https://tazapay.com/ are a Singapore-based b2b and payments startup enabling small and medium-sized businesses (SMBs) to conduct cross-border commerce securely. We believe the world will look very different after this pandemic, as it did after the second world war and the financial crisis of 2008. We foresee a gigantic acceleration towards digitalization. Especially in the B2B space which has lagged behind B2C peers. The pandemic will change that equation

Responsibilities

• Design, write and deliver highly scalable, reliable and fault tolerant systems with minimal guidance

• Participate in code and design reviews to maintain our high development standards

Partner with the product management team to define and execute the feature roadmap Translate business requirements into scalable and extensible design

• Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies

• Coordinate with cross functional teams (Mobile, DevOps, Data, UX, QA etc.) on planning and execution

• Continuously improve code quality, product execution, and customer delight

• Willingness to learn new languages and methodologies

• An enormous sense of ownership

• Engage in service capacity and demand planning, software performance analysis, tuning and optimization

The Ideal Candidate Education

• Degree in Computer Science or equivalent with 5+ years of experience in commercial software development in large distributed systems Experience

• Hands-on experience in designing, developing, testing and deploying applications on Golang, Ruby,Python, .Net Core or Java for large scale applications

• Deep knowledge of Linux as a production environment

• Strong knowledge of data structures, algorithms, distributed systems, and asynchronous architectures

• Expert in at least 1 of the following languages: Golang, Python, Ruby, Java, C, C++

• Proficient in OOP, including design patterns.

• Ability to design and implement low latency RESTful services

• Hands-on coder who has built backend services that handle high volume traffic.

• Strong understanding of system performance and scaling

• Possess excellent communication, sharp analytical abilities with proven design skills, able to think critically of the current system in terms of growth and stability

• Data modeling experience in both Relational and NoSQL databases

• Continuously refactor applications to ensure high-quality design

• Ability to plan, prioritize, estimate and execute releases with good degree of predictability

• Ability to scope, review and refine user stories for technical completeness and to alleviate dependency risks

• Passion for learning new things, solving challenging problems

Nice to have

• Familiarity with Golang ecosystem

• Familiarity with running web services at scale; understanding of systems internals and networking are a plus

• Be familiar with HTTP/HTTPS communication protocols. Abilities and Traits

• Ability to work under pressure and meet deadlines

• Ability to provide exceptional attention to details of the product.

• Ability to focus for extended periods of repetitious activity.

• Ability to think ahead and anticipate problems, issues and solutions

• Work well as a team player and help the team members to resolve issues

• Be committed to quality and be structured in approach

• Excellent and demonstrable concept formulation, logical and analytical skills

• Excellent planning, organizational, and prioritization skills

Job Types: Full-time, Permanent

Salary: upto 20LPA

• As a polyglot developer Ideally, you should have:
• 1.5+ years of development experience using any of technology java, scala, python or any similar exciting technologies.
• Hands-on experience in coding, and implementation of complex, custom-built applications Working knowledge of build tool like maven/sbt and code versioning systems like git/bitbucket/cvs/svn
• Familiarity with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL etc Great OO skills, including strong design patterns knowledge
• Good communication and ability to work in a consulting environment is essential

• Think through hard problems in a consultancy environment, and work with amazing people to make the solutions a reality Work in a dynamic, collaborative, non-hierarchical environment where your talent is valued over your job title or years of experience
• Build custom software using the latest technologies and tools Craft your own career path

• Providing solution to real problems in Bigdata world.
• RnD on using the latest tools,techniques and cloud services.
• Automating the manual-timetaking tasks.
• Hands-on coding, usually in a pair programming environment.
• Working in highly collaborative teams and building quality code
• Working in lots of different domains and client environments
• Understanding the business domain deeply

• Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
• Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
• Working knowledge of REST API designing as well as development, using Spring.
• Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
• Savvy with SQL and database concepts.
• Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
• Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
• Should have worked in a CI/CD environment with TeamCity/Jenkins.