Lead Software Developer-Python

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the 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. 

Required Skills:

• Exp. - 5-8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Role overview

• Overall 5 to 7 years of experience. Node.js experience is must.
• At least 3+ years of experience or couple of large-scale products delivered on microservices.
• Strong design skills on microservices and AWS platform infrastructure.
• Excellent programming skill in Python, Node.js and Java.
• Hands on development in rest API’s.
• Good understanding of nuances of distributed systems, scalability, and availability.

What would you do here

• To Work as a Backend Developer in developing Cloud Web Applications
• To be part of the team working on various types of web applications related to Mortgage Finance.
• Experience in solving a real-world problem of Implementing, Designing and helping develop a new Enterprise-class Product from ground-up.
• You have expertise in the AWS Cloud Infrastructure and Micro-services architecture around the AWS Service stack like Lambdas, SQS, SNS, MySQL Databases along with Dockers and containerized solutions/applications.
• Experienced in Relational and No-SQL databases and scalable design.
• Experience in solving challenging problems by developing elegant, maintainable code.
• Delivered rapid iterations of software based on user feedback and metrics.
• Help the team make key decisions on our product and technology direction.
• You actively contribute to the adoption of frameworks, standards, and new technologies.

Sal: Upto 30LPA+ESOPs

Location: Bangalore and Mumbai

Hybrid work mode

EXP: 3-6y

Roles & Responsibilities

Cashflo, true to its name, is on a mission to unlock $100+ billion of trapped working capital in

the economy by creating India’s largest marketplace for invoice discounting to solve the

day-to-day cashflow problems faced by businesses. Founded by ex-BCG and ISB / IIM

alumni, and backed by General Catalysts and Elevation Capital, Cashflo helps democratize

access to credit in a fair and transparent manner.

Awarded Supply Chain Finance solution of the year in 2019, Cashflo creates a win-win

ecosystem for Buyers, suppliers and financiers through its unique platform model. Cashflo

shares its parentage with HCS Ltd., a 25 year old, highly reputed financial services company

has raised over Rs. 15,000 Crores in the market till date, for over 200 corporate clients.

Our leadership team consists of ex-BCG, ISB / IIM alumni with a team of industry veterans

serving as the advisory board. We bring to the table deep insights in the SME lending space,

based on 100+ years of combined experience in Financial Services. We are a team of

passionate problem solvers and big thinkers and are looking for like-minded people to join

our team.

We are looking for someone who loves a challenge, is ambitious, super tenacious and

persistent. S/he is a self-starter, thrives in a dynamic, small start-up environment, has a

knack for understanding customer needs, and loves to get sh*t done! If you check these

boxes - we want to talk to you!

The opportunity:

-Solve a complex $300+ billion problem at the cutting edge of Fintech innovation, and make

a tangible difference to the small business landscape in India

-Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

-Be part of the early founding team and be directly responsible for driving the company's

success

Key Responsibilities

-As an early team member, you will get a chance to set the foundations of our engineering

culture. You will help articulate our engineering principles and help set the long-term

roadmap.

-Making decisions on the evolution of Cashflo's technical architecture

-Building new features end to end, from talking to customers to writing code

Our Ideal Candidate Will Have

● 3+ years of full-time software engineering experience

● Experience building scalable backend platforms (you've owned & built features from start

to

finish before)

● Thorough knowledge of SDLC

● Extensive knowledge of any of Python, Go, NodeJS

● Expertise on any RDBMS or NoSQL databases

● Understanding of messaging systems like RabbitMQ, Kafka and protocols

● Understands CI/CD pipelines

● Exposure to cloud providers like AWS, GCP or Azure

● Seen extensive scale and understands the evolutionary technical challenges

About You

-Product-minded. You have a sense for great user experience and feel for when something

is off. You love understanding customer pain points and solving for them.

-Get a lot done. You enjoy all aspects of building a product and are comfortable moving

across the stack when necessary. You problem solve independently and enjoy figuring stuff

out.

-High conviction. When you commit to something, you're in all the way. You're opinionated,

but you know when to disagree and commit. Mediocrity is the worst of all possible outcomes.

What’s in it for you

● Gain exposure to the Fintech space - one of the largest and fastest growing markets in

India

and globally

● Shape India’s B2B Payments landscape through cutting edge technology innovation

● Be directly responsible for driving company’s success

● Join a high performance, dynamic and collaborative work environment that throws new

challenges on a daily basis

● Fast track your career with trainings, mentoring, growth opportunities on both IC and

management track

● Work-life balance and fun team events

Required Qualifications:

• 5+ years of professional software development experience.
• Post-secondary degree in computer science, software engineering or related discipline, or equivalent working experience.
• Development of distributed applications with Microsoft technologies: C# .NET/Core, SQL Server, Entity Framework.
• Deep expertise with microservices architectures and design patterns.
• Cloud Native AWS experience with services such as Lambda, SQS, RDS/Aurora, S3, Lex, and Polly.
• Mastery of both Windows and Linux environments and their use in the development and management of complex distributed systems architectures.
• Git source code repository and continuous integration tools.

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

• 2- 4 years’ experience in solution integration/delivering, and interfacing with customers.
  
• Hands-on experience in SQL and PL/SQL.
• Experience of working in agile teams in implementing large scale digital solutions.
• Good in programming & analytical skills
• Experience in dynamic programming language Python with Django
• Good understanding on enterprise integration, API development, and scalability
• Experience in Software Tools like: Git, Visual Studio code, Jenkins
• Solid experience in System Integration cycles, e.g., code review, source control, code
• quality
• automation scanning, bug scrub, feature testing and product release.
• Able to handle oncall support for bugs caused from delivery
• We are looking for people to co-work with us at our base location (Chennai)
• Ability to co-work with internal teams to optimise and fine tune the integration process
• and move towards a low-code integration framework

Responsibilities

• Plan, develop and implement large-scale projects from conception to completion.
• Interface with clients and gather business requirements and objectives.
• Translate clients’ business requirements and objectives into technical applications and solutions.
• Understand and evaluate complex data models.
• Design, develop and implement new integration.
• Execute system development and maintenance activities.
• Develop solutions to improvise performance and scalability of systems.
• Mentor junior and mid-level engineers.

Minimum Requirements

• 3-5 years of relevant experience, working in Java related technologies.
• A Good Engineering or Masters degree from a reputed university
• Should have strong technical skills with a good grasp of OO concepts and design patterns

• Good knowledge of SQL database ( MySQL, Oracle, etc )
• Good understanding of frameworks like Spring, Hibernate, etc.
• Good understanding of spring boot and microservices.
• Exposure to AWS services - S3, SQS, Lambda, DynamoDB, API Gateway, etc.

Good to have

• Knowledge of No-SQL DBs like mongo, dynamoDB, etc.
• Knowledge of message brokers/queuing services like SQL, rabbitMQ, Kafka, etc.

We are looking for an experienced Backend Engineer who can help make our desktop app even more spectacular for the highest performing professionals globally. She / he should be versatile and should have a good base with Golang, NodeJs and Python

About Track

The calendar is a tool that can assist you to achieve your highest human potential. Being productive with your time and collaborating efficiently with others is key to it. And Track (https://thetrackapp.com) is the fastest calendar experience ever. We've redesigned the calendar from the ground up to be fast, simple, effortless and also fun.

The Team

We are a small, global and efficient team and speed is part of everything we build and do

We are backed by amazing investors from India and US who have cofounded startups which had massive exits and the investors are currently on boards of Unicorn startups.

The Founder has over 12 years of experience in technology, studied and worked in the US for 8 years, and has cofounded a startup before.

Expected Skills :- 

Primary expertise: Golang, NodeJs, Python 

• Our backend was written in Nodejs and some parts converted to Golang. We want to switch completely
• Knowing Golang well is important 
• You should know python / Django at a reasonable level
• Ability to work with GCP and AWS environments
  Worked with Amazon services like SNS, SQS and Google services like Firebase FCM
• Ability to execute rapidly

Responsibilities Include

You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.

Requirements

• B.E/MS in Computer Science or equivalent.
• 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
• Completely hands on with technology and architecture. Start-up experience is a huge plus.
• Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
• Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
• Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
• Work with engineering leadership to setup and manage processes.
• Track record of thought leadership and out of the box thinking in the technology arena.
• Ability to work efficiently in an entrepreneurial and in a start-up environment
• A Java/Spring/Akka, Javascript or Golang rockstar.
• Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
• Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
• Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.