


Primary Responsibilities:
- Principal Engineers are responsible for driving Technology and Engineering Best Practices in their respective teams.
- They should demonstrate a high level of ownership and accountability for their product and software systems.
- They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
- They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
- They are expected to participate in code reviews, design reviews, architecture discussions.
- They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
- They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.
Experience or Skills Required:
- B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
- Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
- Experience in building solutions based on Linear Regression, Logistic Regression, K Nearest neighbor, SVM, Random Forest, Decision Trees.
- Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
- Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
- Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
- Good understanding & experience in improving performance of scalable and real time responsive applications.
- Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
- Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
- Must be able to work independently and enjoy working at a fast paced start-up environment
- Excellent Mentoring skills. Be the technical mentor to your team.
- Must be comfortable working in fuzzy environments where boundaries are not clearly defined.

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What You’re Good At:
● You have at least 5-8 years of software development experience and you know the Linux environment.
● You definitely have the ability to handle a full application development cycle – from requirements to production.
● Strong programming experience with Java for backend services
● Spring MVC and Spring Boot experience
● Cloud experience (ideally AWS)
● Ability to effectively communicate problems and solutions to the different team members.
What You’re Great At:
● End-to-end task ownership: This is a position that requires a leader – someone who can confidently see a project through from beginning to end.
● Innovating disruptive technologies: Have an idea about how to solve a
communications problem? We want to know about it and then we want to support your vision for bringing it to life.
● Independently tackling challenges: You don’t need anyone to keep you on track.
● You’re organized and efficient.
Qualities about You That Might Make our Decision Easier:
● Experience in Agile software development methodology: Scrum, Kanban, etc.
Job Description:
- Experience in Core Java, Spring Boot.
- Experience in microservices.
- Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
- Good knowledge of multi-threading
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should be able to express their design ideas and thoughts.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ 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 offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Work With Us
Get To Know Us First!
Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.
At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.
Come join us and shape the future of Fin-Tech.
Do You Make The Cut?
We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.
You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.
Title: Lead SDE (Backend)
Location: Gurugram
Experience: 3-7 Yrs.
Education: Bachelor’s / Master’s in Software Engineering
Responsibilities
- In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
- Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
- Build reusable code and libraries for future use.
- Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
- Responsible for code quality of the product being developed along with unit and integration testing.
- Mentor junior developers to improve their skills, and make them more effective, product software engineers.
- Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.
Sounds Like You?
- 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
- 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
- Strong experience in technically leading junior developers with a focus on the goal.
- Strong experience in data structures & algorithms and their space & time complexities.
- Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
- Strong experience working with Databases like SQL & NoSQL.
- Experience working with microservices-based architecture.
- Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
- Experience working in an Agile environment.
- Solid understanding of the full software development life cycle and the domain.
- Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.
Life at Freecharge!
Our Playground!
- 450+ FCian’s, at Gurugram & Bengaluru locations
- Collaboration spaces & A flat and transparent culture
- Wow Corners, fun & reading Zone
- Best learning and development opportunities
Benefits
- Day-care facility
- Comprehensive Insurance Policy
- Wellness Benefits like Health check-ins
- 26 Weeks Maternity & 2 Weeks Paternity Leaves
- Adoption Assistance Program
- On-Site Parking at all locations
- A chance to have a big impact early in your career
ARE YOU READY?
TO
#ChargeYourFuture
What You will do
● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.
● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and have a positive impact on the industry.
Basic Qualifications
● Experience: 4+ years.
● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.
● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)
● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.
● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.
Nice to have Qualifications
● Product and customer-centric mindset.
● Great OO skills, including design patterns.
● Experience with devops, continuous integration & deployment.
● Exposure to big data technologies, Machine Learning and NLP will be a plus.
Benefits
● Competitive salary.
● Work from anywhere.
● Learning and gaining experience rapidly.
● Reimbursement for basic working set up at home.
● Insurance (including a top up insurance for COVID).
Location
Remote - work from anywhere




- 2+ years of Hands-on experience in Python, Django, Flask, Bottle, Design Patterns, Web Services (SOAP/HTTP, REST APIs)
- 2+ years of hands-on experience with Postgress, MongoDB.
- Experience with cache-store / message broker like Redis / RabbitMQ / Kafka
- Experience with AWS
- Experience in front-end development using react.js is a plus.
- Proficient understanding of code versioning tools, such as Git / Mercurial /bitBucket.
- DevOps knowledge to deploy code in production and hands-on experience with docker / Kubernetes.
- Self-motivated and a good team player.
- Good communication and interpersonal skills.
- Bachelor’s Degree in Engineering from a reputed Institute


Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
The ideal candidate will be responsible for developing a highly scalable and secure code.
Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with an optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open-source code
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Maintain product roadmap, release schedules, and architectural standards that ensure alignment with business objectives.
- Mitigate risks and problems identified in providing the solution.- Keep an eye out for technology trends, open-source projects that can be used
Desired Candidate Profile:-
- Represent the technological agenda in staff meetings and when making hiring decisions
- Flexible to adapting & introducing new and latest technologies to the organization
- Maintain current knowledge of technology landscape and developments
- Innovation & Optimizing R&D.
- Defining the software technology strategy, architecture, and road-map.
- Would love to do more coding yourself, but accept that you can bring the most value by helping others to excel.
- Should have built large scale applications with modern web frameworks & technologies
-Should be a fast thinker, hands-on manager, and strong communicator and think and act like an entrepreneur
-Consolidate our technology platforms and create plans for each Track, analyze and monitor technology performance metrics
-Take the initiative in thought leadership, innovation, and creativity
-Spearhead IT projects to increase our market reach and improve our USP
-Oversee all system design and changes in system architecture
-Technical knowledge (NOT All but would be happy to take someone with max. Skills knowledge)
-Fullstack (Web), Python, Machine Learning, BlockChain, RoR, ReactJS, NodeJS, mean stack, MernStack, Front End, Mobility, ReactNative, React JS, Javascript, etc
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem-solving, and love the latest technology, there are very few better places
How we are different
-We are a young and dynamic team who are obsessed with solving the business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to the business problem rather than technology
Why to join us
-We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry






