
Java Lead We are solving complex technical problems in the financial 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. 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. Experience: 8–13 years in Java development. Domain Expertise: Background in product-based companies, investment banking experience preferred. Leadership: Proven ability to lead teams of 3–4 members. Technical Depth: Hands-on with complex systems and distributed architectures. Soft Skills: Strong analytical thinking, problem-solving, and excellent communication. Process Knowledge: Expertise in end-to-end SDLC and Agile methodologies. Tech Stack ● Languages & Frameworks: Core Java, J2EE, Spring Boot, Spring Framework. ● Architecture: RESTful APIs, Microservices. ● Persistence: Hibernate/JPA. ● Databases: Postgres, MySQL (or similar). ● Tools: Maven/Gradle, CI/CD pipelines. ● Cloud: AWS/Azure (nice to have).

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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Company is a direct to consumer brand in affordable fast fashion space using full stack model to solve for high quality at affordable prices. We leverage in-house manufacturing coupled with strong usage of technology to drive efficiency. Rapidbox is funded by Top-Tier VC firms and
prominent angel investors.
Must Have Skills (Working Experience Needed):
Preferably a Graduate/Postgraduate from a Tier 1/2 college/university.
Core Java
Hibernate and any relational database – MySQL, Postgres, Oracle.
Redis Caching
Spring
Maven, Git
Ability to thrive in a dynamic environment with changing priorities
Spring
Experience with OO design, design patterns & deep understanding of JVM internals
(multithreading, garbage collection etc.)
Problem solver
Search solutions like ES, Solr
NoSQL data store like Cassandra/Mongo
Kafka
Microservices Architecture, Web services, API development, Enterprise integration
Experience on scalable and distributed systems
Good to have:
Distributed Cache
Performance testing tools - Jmeter, Locust, Gatling
Ecommerce background
The Company:
We are a growing EV infrastructure startup with offices in IIT-Madras Research Park and Noida.
Sonik Mobility is a brand of our company Azhar Engineering incubated at IIT-Madras Research Park, which is primarily focused on developing and deploying smartest, lOT enabled and the most user-friendly EV charging stations and semi-autonomous battery swap stations in India ranging from 3.3 kW to 22 kw.
We are a company founded by two graduates and friends namely Mohammad Safa Azhar and Preak Gupta from The Pennsylvania State University, USA and are the only company providing the dual solution of charging and semi-autonomous battery swapping stations under one roof.
Our ideal candidate for this position must have a penchant to learn new things and above all must have a passion to change the status quo of EV charging infrastructure in India.
We believe that charging your EV should be as easy as refueling your ice vehicle if not easier.
The Position: We're looking for a Software Engineer/ Full Stack Developer to work on our application and integration with third party APIs.
Objectives:
We are looking for a Software Engineer/Back-end Developer to work on our cloud-hosted application & integrate with 3rd party APIs. This will include the following:
- Maintain and keep up-to-date our cloud-hosted application
- Collaborate with the rest of the team to ensure applications align with organizational goals.
- Oversee the performance of the application to ensure they're always running properly.
• Improve our overall application process and continuously find ways to advance our company vision.
Responsibilities: As a software engineer/ Back-end developer, these will be some of your responsibilities
- Work closely with our hardware integration team to integrate the application with our hardware.
- Ensure the application is hosted and fully functional on cloud (AWS).
- Work closely with NPCI for integration into our system via APIs.
- Carry out regular security and performance checks
- Assesses feasibility of design and project parameters within time and cost constraints.
Requirements:
- B-Tech/M-Tech in Computer Science/Electronics/Engineering
- Proven experience of 2-3 vears (professional or otherwise)
- Strong knowledge of programming languages such PHP, Python, C, or C++.
- Knowledge of API integrations with 3rd party applications/hardware
- Knowledge of software and hardware integration
- Experience with hosting applications on cloud (AWS or Azure)
- Working knowledge of software development tools and technologies
- Desired skills:
- Experience with Battery Management systems
- Experience with CAN
- Knowledge of OCPP protocol
- AWS experience preferred
- Strong communication and teamwork skills
- Contribute individually to product solution development.
Responsibilities
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
Skills & Qualifications
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4-12 years of experience in Java Development.
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Excellent verbal and written English communication is a must. You may have to interact with clients directly.
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Technology agnostic approach is a must. Ready to adopt new technology and a faster learning curve.
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Writing scalable, maintainable and reusable code.
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Keen interest in SAAS based products and mobile applications.
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Experience working with Distributed Systems
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Java, Spring Boot, Microservices, API Design Experience with Event-Driven Architecture, Multithreading
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Kafka iOS Experience with Event Sourcing Reactive and Functional
-
Programming Strong understanding of best practices for creating/working with Microservices
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Experience implementing Message Brokers and Messaging subsystems(experience working with Kafka a strong plus)
-
Be open-minded, creative, and self-critical; be collaborative and communicative
-
Have experience with and curiosity about agile and lean philosophies
-
Experience working with small teams to ship products to market
-
Have experience developing full-service consumer, employee and business applications
-
Language agnostic and experienced polyglot Passion for Working Software and SOLID principles
-
Experience with designing and refactoring complex systems
-
Experience with Test-Driven Development (TDD) Interest in working in a pair-programming environment Deep understanding of design patterns and applying them in production environments
-
Passion for enabling team members
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Java 8 or Java 11. Both are LTS. The project will be on Java11
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Spring Boot
-
Git
-
SQL
-
AWS and AWS Aurora
-
Microservices
-
Multithreading
Perks
- Flexible time schedule.
- Work from home or work from anywhere.
- Health insurance.
- Team building activities.
- Training and conference tickets.
Senior Software Engineer (L4 - Tech Lead)
Because you belong at Twilio.
The Who, What, Why and Where
Twilio is growing rapidly and seeking a Staff Software Engineer to lead the design and implementation phases of cloud-based distributed systems built to seamlessly scale to several million transactions per day.
Who?
As a Staff, Software Engineer (L4 - Tech Lead) in the Account Security team, you will lead the design and implementation phases of cloud-based distributed systems built to seamlessly scale to several million transactions per day. Not only will you be responsible for tackling some of the most complex and exciting technical problems in the industry, you will also be sharing your technical expertise with other engineers and leading them through an accelerated learning process.
You are intrigued by the intersection of the cloud, telecommunications and security spaces, how to harness the power of SMS and voice to enable millions of consumers to securely sign up and sign in every day using the services from the global brands they trust. You enjoy the challenge of owning a mission critical service and engineering it to work reliably in any circumstance.
You are also passionate about collaborating with multiple R&D and product teams, crafting together microservices and APIs that developers around the world will demonstrate to deliver new applications. You have strong communication skills, and a belief that team output is more important than individual output.
Minimum Qualifications
- 7+ years of experience with at least two programming languages such as Java, Scala, Python, Ruby, JavaScript or Go.
- 5+ years of experience working with modern agile product development teams of engineers, product managers and designers.
- 5+ years of Experience with SQL/NoSQL technology such as PostgreSQL, MySQL, DynamoDB understanding common use cases and performance pitfalls
- 2+ years of Experience dealing with event-driven architectures and message brokers such as RabbitMQ, KAFKA, ActiveMQ, etc and an in depth understanding of their use cases and pitfalls
- Versed in concepts such as DDD, SOLID, Cloud Native Patterns, distributed systems and architecture. Capable of understanding pitfalls and anticipating common failure modes of a microservice environment.
- Experienced in implementing prototypes and in practices and concepts such as MVP, A/B testing and feature toggles for rolling-out features to production.
- Strong communication skills: able to communicate effectively with technical and non technical partners
- Bachelor’s degree in computer science or equivalent professional experience.
- Passion for new technologies and proven capability in analysis and problem-solving.
- Strong troubleshooting and monitoring skills with practical experience in modern tools such as Kibana, Datadog, PagerDuty or related.
Preferred Qualification
- Experience with https://stackshare.io/twilio/verify-telephony">our stack
- Track record as a full-stack engineer
- Experience with AWS related technologies
- Background in telecommunications domain
- Background in security domain
What?
- BE AN OWNER: Take full end-to-end ownership of your services, from designing to operations and monitoring in production.
- EMPOWER OTHERS: Provide a safe work environment that embraces failure as a way of learning and inspires our engineers to be inventive and motivated.
- NO SHENANIGANS: You always act in an honest, direct and transparent way and uphold our values.
- WEAR THE CUSTOMER’S SHOES: Besides technical excellence, always keep in mind what is the business problem we are trying to solve for our customers and how our decisions impact them.
- WRITE IT DOWN: Evaluate opportunities, risk and technical strategies and provide key findings to internal partners.
- RUTHLESSLY PRIORITIZE: Work in a fast paced environment. It is key for you to understand, document and define risks that drive and enhance the organization's ability to prioritize while advising the business of these priorities.
- BE BOLD: Drive architecture and building systems for multiple orders of magnitude of growth. Every big idea starts small: open up the boundaries and keep raising the bar as solving small problems can bring big results. Never settle and keep pushing yourself and the teams forward.
- BE INCLUSIVE: Coach, mentor and inspire engineering teams by building and ensuring a safe and inclusive environment where all voices can be heard.
- DRAW THE OWL: Influence teams to continuously be improving while supporting progressive ways to solve problems; adopt new technologies and strategies where applicable.
- DON’T SETTLE: Always look for the next opportunity for Twilio to improve our quality, reliability and security to continuously earn our customers trust.
Why?
Our developers build the leading Twilio Verify service used by millions of customers around the world. Every day we push the boundaries of web-scale service delivery, operating with utmost reliability the API services that secure the online presence of the biggest brands. We are passionate about crafting simple APIs that developers will love.
By joining us you will have the opportunity to work on the next generation of Twilio multi factor authentication and identity verification services with a team of forward-thinking and supportive professionals who will care about helping you on a successful career path. Twilio is truly unique; we are a company committed to your growth, your learning, your development, and your entire employee experience. We only win when our employees succeed, and we're dedicated to helping you develop your strengths. We have a cultural foundation built on diversity, inclusion, and innovation, and we want you and your ideas to thrive at Twilio.
Where?
This position will be located in our office in Bangalore, India. You will enjoy our office perks: catered meals, snacks, game room, ergonomic desks, massages, bi-weekly All Hands and more. What you will also get to experience is a company that believes in small teams for maximum impact; seeks well-rounded talent to ensure a full perspective on our customers’ experience, understands that this is a marathon, not a sprint; that continuously and purposefully builds an inclusive culture where everyone is able to do and be the best version of themselves.
About Us
Millions of developers around the world have used Twilio to unlock the magic of communications to improve any human experience. Twilio has democratized communications channels like voice, text, chat, video and email by virtualizing the world’s communications infrastructure through APIs that are simple enough for any developer to use, yet robust enough to power the world’s most demanding applications. By making communications a part of every software developer’s toolkit, Twilio is enabling innovators across every industry — from emerging leaders to the world’s largest organizations — to reinvent how companies engage with their customers.
Invest in weeks dedicated to tackling hard problems and creating your own ideas. We have a cultural foundation built on diversity, inclusion, and innovation, and we want you and your ideas to thrive at Twilio
We are hiring for a Software Engineer Team Lead - Backend, to join our education-focused fintech lending startup, GrayQuest. Our core product is a combination of a lending product, a rewards product and an insurance product to redefine the education fees payment across the country.
You will be joining a young and vibrant team of developers who are pushing the boundaries of consumer financing through technology.
Key Responsibilities :
- Participate in all stages of the Software Development Lifecycle
- Develop back-end components, services, and APIs. Support integration of user-facing elements, and collaborate closely with the design and front-end development team.
- Write elegant, effective, and scalable code while maintaining the highest level of coding standards.
- Take complete ownership of projects and ensure timely deliveries
- Ability to debug, refine, review, and deploy code
- Work closely with the QA team to test, and document project features.
- Ability to interact with all stakeholders. Understand business requirements, and effectively convert them into technical specifications
- Mentor junior developers and participate in peer Review
Requirements:
- Demonstrable experience as a Python Developer (3+ years)
- Strong knowledge of Python frameworks (Django Rest, Flask)
- Experience working on REST APIs
- Strong knowledge of SQL and JavaScript
- Experience with Amazon Web Services (AWS)
- Working knowledge of React
- Familiarity with Agile development methodology
- Good understanding of task breakup, milestone definition, and work delegation.
- Past experience of working in a fintech/financial services domain or a consumer internet startup will be preferable but not required
- Work experience in early-stage startups (0 ->1) is a big plus
- Bachelors or equivalent degree from premier institutes is a plus
- Most importantly, the biggest skill we look for our prospective candidates is "Learnability" - how quickly can you learn.
Why is this a great opportunity for the right candidate:
- Work with a young dynamic core team backed by marquee investors from the financial services space
- Work on a product/business that has achieved product market fit and take it to scale
- Equity compensation and competitive market salaries
- Work environment that prioritizes talent, hustle and dedication
We will also ensure we give a preference to applicants who directly email us with their background/context and why they think they should be a strong candidate for this position at GrayQuest. Email us at work (at the rate) grayquest (dot) com and cc Sonal (at the rate)grayquest (dot) com
Experience: 5+ Years
An Architect is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.
- Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
- Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
- Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
- Responsibilities:
- Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities
- Provide technical guidance and mentorship to engineers, designers, and developers.
- Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
- Requirements:
Ideal candidate should have
- 7+ years of system implementation experience
- Experience with any of the following languages like Java / Nodejs / ROR / Python
- Expertise in micro service / Data modelling / AWS / Messaging
- Expertise in building scalable & reliable systems
- Good Experience in working with technologies like AWS, Redis,
- Experience in messaging systems like SQS/RabbitMQ
- Good knowledge of caching, Databases, distributed systems.
- Strong problem solving and analytical skills
- Good experience with Devops
You will be expected to design, develop and maintain large-scale complex backend web
applications.
You will be expected to rapidly learn and apply relevant new technologies.
You will be having a high level of interaction with business and product stakeholders.
You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management: Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.










