
Java/Python Developer(60% Java - 40% Python) - Mid Level Hands On Strong Developer
- 3 Years to 5 Years - Level 2
- 5 Years to 7 Years - Level 3
Location - Mumbai Commerz3 Office Only
He/She candidate must possess a strong technology background with advanced knowledge of Java
and Python based technology stack.
Java, J2EE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
. At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
. Experience with Web Service development, REST and Services Oriented Architecture.
. Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
· Working knowledge of Databases including Design, SQL proficiency.
. Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
. Experience with Unix/Linux Operating System and Basic Linux Commands.
. Strong development skills with ability to understand technical design and translate the same into workable solution.
. Basic knowledge of Python and Hand-on experience on Python scripting
. Build, deploy, and monitor applications using CI/CD pipelines.

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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What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products ○ Spring ○ PostgreSQL ○ Redis ○ Docker ○ Message brokers ○ GitHub
● These non-functional areas are familiar to you ○ Performance ○ Debugging ○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for me?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
*forward your resume to (ambikadotj@semperfidotcodotin)(dot - .)
) 2+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate,
JPA, Microservices)
*) Experience with working on Java 8.0 and its emerging road map for 11
*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB
*) Hands on experience in working with Angular 6 and above. Experience working with product
management and UI/UX designers having knowledge of advanced Javascript, JQuery
*) Working knowledge on components, modules, data/event bindings, templates, using and creating
directives, writing routes, services, forms and models
*) Solid understanding of the full frontend and backend development life cycle
*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)
*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and
Swagger and Postman is required
*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT
would be an added advantage
*) Experience with TDD, code testability standards, JUnit
*) Experience in managing configurations and deploying and hosting applications in AWS
*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of
development

Job Summary :
As a Software Development Engineer, you will be responsible for end-to-end delivery of software components all the way to production. In this position you will partner with our globally distributed cross-functional teams, product managers and other internal stakeholders. This position requires understanding business & technical requirements, designing clean solutions, implementing them and managing these systems. A key aspect of the role is to understand the digital commerce businesses part of KBX and implement technology systems that favourably align with business initiatives and requirements. The position will be evaluated in terms of the quality of the technology development, ongoing management of the systems and impact on business metrics.
Responsibilities :
- Work closely with cross functional teams to and deliver quality technology solutions
- Operational rigor for a rapidly growing tech stack and live portals
- Regular communication with management on status and risks.
- Measure success metrics and influence evolution of the tech product
- Be resourceful and find creative solutions to complex technical challenges.
Basic Qualifications :
- Ability to understand business requirements and build technology solutions that factor in the business requirements completely
- Possess an extremely sound understanding of basic areas of Computer Science such as Algorithms, Data Structures, Object Oriented, Databases.
- Excellent coding skills
- Great problem solving skills and propensity to learn and develop tech talent.
- Bachelor’s degree or higher in Computer Science and years of Software Development experience
Preferred Qualifications :
- Understanding on Web programming is must; full stack experience would be a plus.
- Understanding on AWS Cloud Stack (EC2, Lambda, Dynamo DB, Aurora) would be a plus
- Knowledge of serverless development
- Excellent verbal and written communication skills.
• Strong in Java 8 - streaming and non-blocking APIs
• Strong in Collection, generics, Data Structure and multi-threading
• Designing patterns and SOLID principles
• Problem solving and hands-on in writing complex implementation
Requirements:
- 3+ years of full stack development for high volume mobile applications.
- Strong experience in popular Node.js, Express. JS, React. JS, React Native and npm modules.
- Strong experience in JavaScript development.
- Experience with building RESTful services.
- Experience on working on the MicroService based Architecture
- Ability to architect complex web applications using frameworks and APIs.
- Experience in designing the HTML pages using React. JS.
- Good understanding of Design Patterns. Good analytical & debugging skills.
- Experience with NOSQL DB & tools such as MongoDB, Redis, Cassandra and Kafka.
• Exposure to Cloud
• Versatile in choosing appropriate tools and frameworks for the Core and advance java development procedures.
• Good in Spring Boot and latest java methodologies to suggest best practices and proven solutions to the business.
• Expert in service oriented solutions and micro services architecture (REST). Should have been a part of monolithic to micro services rearchitecture.
• Exposure towards No-Sql databases such as Cassandra or Mongo DB.
ThoughtWorks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.
Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare.
As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.
You’ll spend time on the following:
- You will champion best practices like writing clean and reusable code using practices like TDD, SOLID principles, OO design, and pair programming
- You will partner with other technologists from cross-functional teams advocating devops culture
- You will work in collaborative, product-focused teams to build innovative customer experiences
- Take ownership and accountability beyond individual deliverables, always pushing the envelope in order to deliver awesome results for our clients
- Learn, digest and subsequently apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems
Here’s what we’re looking for:
- You have 2+ years* of experience using two or more development languages (Java, JavaScript, Ruby, C#, etc.) with experience in Object-Oriented programming
- You’re willing and able to commit to traveling up to 100% (back home on the weekends) across the US and Canada to help our clients solve their business problems
- You can write clean, high-quality code in a variety of languages and are also able to spot (and improve) bad code
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
- You have experience with Agile, Lean and/or Continuous Delivery approaches such as Continuous Integration, TDD, Infrastructure as Code, etc.
- Bonus points if you have knowledge of cloud technology such as AWS, Docker or Kubernetes
- You’re willing and able to commit to travel to client sites in order to solve their business problems
Responsibilities
- You will design and develop large scale distributed services
- You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
Requirements
- You have 1 - 9 years of experience in software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python and Django
- You understand the business impact of your decisions.
Good To Have
- You have prior experience in fintech companies
Traits We Are Looking For
- Experience in a specific tech stack doesn't matter for us.
- The general engineering mindset and aptitude is what matters more.
- Technically strong and curious.
- Should have a hacker mindset and should love exploring new technologies.
Desired Skills and Experience
Java, Python, Data Structures, Algorithms
| • Experience of over 5+ years with solid understanding of object-oriented design • Proficient in Java, J2EE and related technologies. • Experienced in using Spring Boot, messaging systems. • Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate • Expert understanding of the object-oriented design and programming concepts • Strong Knowledge on Data Structures, Algorithms and Collections. • Solid experience building applications on top of RESTful APIs. • Knowledge/experience with Spring MVC • Stroing knowledge in developing and executing automated unit, functional and integration tests • Good communication and analytical skills. • Strong trouble shooting skills. |









