
Generative AI System Design
- Architect and implement end-to-end LLM-powered applications
- Build scalable RAG pipelines (chunking, embeddings, hybrid search, reranking)
- Design and implement agent-based workflows (tool calling, multi-step reasoning, orchestration)
- Integrate LLM APIs such as OpenAI and Anthropic, along with open-source models
- Implement structured output validation, grounding strategies, and hallucination mitigation
- Optimize inference cost, latency, and token efficiency
- Design evaluation pipelines for performance, accuracy, and safety
2️⃣ Backend & Microservices Engineering
- Design scalable backend systems using Python
- Build REST and async APIs using FastAPI / Django
- Architect and implement microservices with clear service boundaries
- Implement service-to-service communication (REST, gRPC, event-driven messaging)
- Work with message brokers (Kafka / RabbitMQ)
- Optimize database performance (PostgreSQL, MongoDB)
- Implement caching strategies (Redis)
- Build observability: logging, monitoring, distributed tracing
3️⃣ Cloud-Native Architecture & DevOps
- Design and deploy containerized services using Docker
- Orchestrate services using Kubernetes
- Implement CI/CD pipelines
- Ensure system scalability, resilience, and fault tolerance
- Apply distributed systems principles:
- Circuit breakers
- API gateway patterns
- Load balancing
- Horizontal scaling
- Saga patterns
- Zero-downtime deployments

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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About the Role
We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.
Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.
Key Responsibilities
- Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
- Build and document robust RESTful APIs and mobile-ready endpoints
- Implement and consume webhooks for third-party integrations and internal event-based workflows
- Ensure responsive design principles across devices and screen sizes
- Integrate with mobile applications via secure and scalable APIs
- Work with databases including PostgreSQL, MySQL, and MongoDB
- Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
- Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
- Manage application state using Redux or Redux Toolkit
- Write test cases using Mocha, Chai, Jest, or similar frameworks
- Participate in system design, architecture discussions, and scalability planning
- Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
- Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management
Required Skills & Experience
- Minimum 4 years of hands-on experience with the MERN stack
- Strong proficiency in TypeScript, React.js, Node.js, and Redux
- Proven experience in building and consuming REST APIs and webhooks
- Deep knowledge of responsive UI/UX development
- Hands-on experience with mobile-first API design and integrations
- Strong knowledge of PostgreSQL, MySQL, and MongoDB
- Experience with Kafka, Redis, Docker, and microservices
- Exposure to LLM, GPT, RAG, or similar AI models
- Solid understanding of software architecture and ability to build systems from the ground up
- Working knowledge of API security, JWT, OAuth, and rate-limiting
- Familiar with test-driven development and QA practices
- Familiarity with Git, version control, and collaborative workflows good to Have
- Experience with GraphQL and gRPC
- Experience in building SaaS or AI-integrated platforms
- Familiarity with ElasticSearch or RabbitMQ
- Experience with AWS, GCP, or Azure
- Understanding of serverless and event-driven architectures
Benefits
- Competitive compensation with performance-based hikes
- Flexible remote or hybrid work options
- Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
- Strong leadership and learning-driven environment
- Learning budget for courses, certifications, and conferences

- Data Engineer
Required skill set: AWS GLUE, AWS LAMBDA, AWS SNS/SQS, AWS ATHENA, SPARK, SNOWFLAKE, PYTHON
Mandatory Requirements
- Experience in AWS Glue
- Experience in Apache Parquet
- Proficient in AWS S3 and data lake
- Knowledge of Snowflake
- Understanding of file-based ingestion best practices.
- Scripting language - Python & pyspark
CORE RESPONSIBILITIES
- Create and manage cloud resources in AWS
- Data ingestion from different data sources which exposes data using different technologies, such as: RDBMS, REST HTTP API, flat files, Streams, and Time series data based on various proprietary systems. Implement data ingestion and processing with the help of Big Data technologies
- Data processing/transformation using various technologies such as Spark and Cloud Services. You will need to understand your part of business logic and implement it using the language supported by the base data platform
- Develop automated data quality check to make sure right data enters the platform and verifying the results of the calculations
- Develop an infrastructure to collect, transform, combine and publish/distribute customer data.
- Define process improvement opportunities to optimize data collection, insights and displays.
- Ensure data and results are accessible, scalable, efficient, accurate, complete and flexible
- Identify and interpret trends and patterns from complex data sets
- Construct a framework utilizing data visualization tools and techniques to present consolidated analytical and actionable results to relevant stakeholders.
- Key participant in regular Scrum ceremonies with the agile teams
- Proficient at developing queries, writing reports and presenting findings
- Mentor junior members and bring best industry practices
QUALIFICATIONS
- 5-7+ years’ experience as data engineer in consumer finance or equivalent industry (consumer loans, collections, servicing, optional product, and insurance sales)
- Strong background in math, statistics, computer science, data science or related discipline
- Advanced knowledge one of language: Java, Scala, Python, C#
- Production experience with: HDFS, YARN, Hive, Spark, Kafka, Oozie / Airflow, Amazon Web Services (AWS), Docker / Kubernetes, Snowflake
- Proficient with
- Data mining/programming tools (e.g. SAS, SQL, R, Python)
- Database technologies (e.g. PostgreSQL, Redshift, Snowflake. and Greenplum)
- Data visualization (e.g. Tableau, Looker, MicroStrategy)
- Comfortable learning about and deploying new technologies and tools.
- Organizational skills and the ability to handle multiple projects and priorities simultaneously and meet established deadlines.
- Good written and oral communication skills and ability to present results to non-technical audiences
- Knowledge of business intelligence and analytical tools, technologies and techniques.
Familiarity and experience in the following is a plus:
- AWS certification
- Spark Streaming
- Kafka Streaming / Kafka Connect
- ELK Stack
- Cassandra / MongoDB
- CI/CD: Jenkins, GitLab, Jira, Confluence other related tools
We are a digital transformation boutique with an elite group of software scientists. Our passion is to develop highly modular systems that scale seamlessly. We develop enterprise solutions involving data engineering, system integration, enterprise search & and analytics. Our clients like us for getting to the crux of the business problems and coming up with futuristic solution approaches with our design thinking.
Job description
Brevitaz Systems is looking for Java developers with deep knowledge of the Java ecosystem. We are looking for self-motivated engineers who are excited about building high-quality and high-performance software backends.
Here is what you will be doing on your journey with us.
What we offer
- Open, positive, and learning culture surrounded by helpful colleagues with a growth mindset
- Work with client teams consisting of decades of experience in various technologies & domains
- Best-in-industry salary standards
- 5 days work week
- Family health insurance cover
- No-politics and values-driven culture
- Occasional WorkFromHome even in non-COVID19 times
- Contribute to large-scale products used by Fortune 100 companies
- Opportunity to work on highly distributed systems
Must have
- Proactive and inherent nature of working with ownership
- Ability to understand and explain requirements clearly, and ask necessary questions to remove any ambiguity
- Strong core Java & OOP fundamentals
- Excellent communication skills
- Experience with complex SQLs and stored procedures (MySQL/Postgres/Oracle)
- Experience in taking decisions on high-level designs in distributed cloud backend systems
- Experience in working with one of the web frameworks (SpringBoot/Struts2)
- Experience in working with one ORM technology (JPA/Hibernate)
- Debugging & troubleshooting skills
- Ability to coach & mentor colleagues effectively
Roles and Responsibilities
- Actively participate in client calls for requirement grooming and designing
- Participate in design discussions with fellow team members and client
- Present groomed tickets and designs to team members for design discussion
- Performance optimization of existing use cases by understanding code, architecture, database design, and stored procedures
- Developing Java code, SQL, and stored procedures for new features and enhancements
- Ensure best practices of code reviews and defect-free deliveries
- Research new tools & technologies required for the project
Join hands with us to build intuitive products for our valued clients!
- We are shaping the future of India by providing end-to-end digital solutions for businesses, institutions, and households. It has a rapidly expanding digital audience with over 800 million mobile connections and over 200 million internet users.-
- It has created an integrated business strategy offering a unique combination of telecom, high speed data, digital commerce, media, and payment services.
- We have a three-pronged focus on broadband networks, affordable smartphones and the availability of rich content and applications.
- Our Platforms focuses on designing, developing, and running end to end Digital Ecosystems in various business domains. Hugely popular products and services have been built under the umbrella of our Platforms.
About the "Quality Engineering Competency Center" (QECC) :
- Building such world-class products, operating at massive scale, requires top-notch product engineering along with deep focus on quality engineering practices. With fast moving development cycles (product releases happening on a weekly basis), the need for automated testing tools and techniques is a necessity.
- We are actively seeking a Lead SDET who will lead a team that specializes in test automation and will bring their expertise to multiple projects and teams within our Platforms.
What you can expect in this role:
1. The Lead SDET role in the QECC team is a highly technical role where you are expected to engage with various Teams, to identify and document the prevailing Quality Engineering practice(s) and their limitations, measure key Quality Engineering metrics to set a baseline, develop a Quality Engineering framework that suggests adoption of practices and tools geared towards improving overall quality and stability of product releases.
2. As a SDET Lead, you will spearhead all the test automation deliverables of your team and provide process and technical guidance on various activities such as:
- Defining and evangelizing overall shift-left based Quality Engineering strategy (focusing on preventive and detection aspects of quality) towards enabling rapid, high quality and stable product releases for Customers.
- Understand the application and create a Testing and Test Automation strategy to get quick and deterministic feedback on quality of the application
- Applying test automation expertise to help different digital platforms within in achieving faster testing cycles, that result in faster product releases
- Define robust test-data management strategy for testing complex systems with multiple moving parts.
- Setting up Build and Release Pipeline using DevOps workflow tools.
- Creating and managing test reports
- Provide detailed and effective bug reports
- Working along with product development teams to help reproduce and debug hard-to-replicate issues.
- Establishing a rigor of learnings from production issues, by way of driving RCA/COE reports, achieving closure on lessons learned/ action items from it.
- Mentoring and helping in on-boarding other team-members
- Manage and review work progress and completion by team members
- Identify bottlenecks, and challenges faced by team, and work with various stakeholders to resolve the same
- Contribute to building and maintaining the test automation frameworks for multiple application platforms and devices, like mobile apps (Android and iOS), web apps, desktop apps, or proprietary set-top-box apps.
- Manage and address tech debt related to automation frameworks and implementation
- Setup appropriate real-time reports and dashboards to understand current state of quality
- Provide holistic view of quality of the product with areas of concerns (and solutions) to stakeholders
- Show and lead-by-example how proper automation implementation looks like.
We think you could be a good fit if:
1. Extensive (overall 10+ years) experience working as SDET Lead (at least 3+ years) with hands on test development background with 5+ years of experience in a technical lead or similar role, leading test automation development efforts. The following skills are must- have for this role.
2. Experience and working knowledge of distributed systems using micro services architecture.
3. Hands on experience with BDD/Cucumber frameworks automation. (MUST)
4. Working knowledge of the technical stacks and practices used in modern distributed architecture systems. Understanding of implementation and deployment architecture of such systems.
5. Extensive daily experience in writing clean and solid code in any modern languages: Java (preferred), Kotlin, JS.
6. Strong working knowledge and understanding of different types of APIs (example: HTTP, JSON, REST, XML, SOAP, sync/async, OpenAPI spec, etc.)
7. Extensive experience in API- test automation- and UI- test- automation:
- API test automation:- Hands on experience with API test automation tools, like Postman,- REST-assured,- Karate etc.-
- UI test Automation:- Hands on experience with UI test automation tools, like Selenium- WebDriver, Appium,- etc.-
8.Experience in developing, enhancing, and maintaining custom test automation frameworks.
9.Experience in managing a team, track and make work visible.
10.Experience in using application life cycle management like Azure DevOps, JIRA, Jenkins.
11.Good Experience and knowledge of design, code, debug, deploy and maintenance.
12.Azure exposure or knowledge will be nice to have.
13.Strong understanding, knowledge of software development and testing life cycle and process.
14.Experience with non-functional testing (NFTs) such as Performance, Load, Scalability, Chaos/Resiliency, Security testing etc. You may/may not be a SME on any of these.
15.Experience working with cross functional teams, dev managers and all the stake holders for the integration and end to end testing.
16.Experience in setting up dashboards and reports to understand current and upcoming work, as well as understand quality of the product under test.
17.Extensive experience in Agile ways of working.
In addition :
1. You are an effective communicator, who has had experience in successfully building and leveraging cross function and cross-team relations to advance team goals.
2. You like to work in a dynamic and fast-paced environment that may require context switching multiple times in a day, while constantly balancing your priorities.
3. You have a strong aptitude for solving complex problems.
Educational Background :
B. Tech/B.E./MS/MTech- in- any Specialization-
Location: Bangalore
At least 8-10 years of experience working as a SAP ABAP Developer.
At least 2 -3 full lifecycle SAP implementation / Rollout
Strong knowledge and experience in the development lifecycle of RICEF objects including performance tuning and transport of each of the objects
Strong knowledge and experience in ABAP Programming Language include Object Oriented development using ABAP Objects, SAP Data Dictionary, SAP design and coding techniques and development tools including BADIs, User Exits, ALV Reports, Forms including Scripts, Smart forms, LSMW, EDI / IDOC etc.. in SAP FICO, SD &
MM Functional Area.
Strong Expertise in SAP PI Interface Developments translate high level functional requirements into technical requirements in a clear manner that is comprehensible for other developers and other team members .
Strong Knowledge and experience with Adobe Forms & Workflows.Facilitate and participate in User Demos of Development Units
Provide technical assistance to the process teams in debugging functional issues as needed work closely with SAP functional teams to analyze and test the effect of system changes as needed Facilitate and participate in User Demos of Development Units.
competitive analysis
Be actively involved in SEO efforts (keyword, image optimization etc.)
Provide creative ideas for content marketing and update the website
Measure the performance of digital marketing efforts using a variety of Web analytics tools (Google Analytics, WebTrends etc.)
planning social media events
preparing social media content
writing blogs
handling social media accounts
About SLAY
SLAY Coffee is India's best rated and fastest growing coffee brand with a vision to democratise great coffee experiences through technology & innovative customer experiences. With 3 core lines of business (SLAY Cloud for Online, SLAY Coffee Bars for Grab & Go and SLAY Packaged Coffees for home consumption), SLAY Coffee’s core promise is sophisticated convenience at pocket friendly prices. The brand is 2-years old and currently has a footprint of over 150 locations across 8 cities.
Culture at SLAY
Excellence is our North Star and our culture fuels this pursuit. We work together as a sports team*; each member is united by a common purpose and drives excellence by bringing their unique self to the team.
We aim to build and nurture a team that finds meaning and fulfillment in the work they do at SLAY. If who you are and what you value is in alignment with what SLAY is and what we value, then the pursuit of excellence becomes meaningful.
The following principles guide us in our day to day working at SLAY:
- Customer first
- Transparency
- Simplicity in thought and action
- Long term thinking
- Passion
- Data over opinion, company and team over self
- Integrity and respect
- Communication for impact
Core Values
Our core values define how we operate and bring about an alignment of purpose. We learn and get inspired from each other in strengthening these behaviors & skills both at an individual level and collectively at the Company level. New members are added to the team and existing team members are rewarded and developed based on these values.
- Courage:
- To think big, act without fear and voice your opinion.
- To question the status quo- go beyond rules and hierarchies.
- To act in the best interest of the customer and company, even if it calls for going outside your comfort zone.
- Ownership:
- Seek to understand the context and objective, then drive for results
- Collaborate independently across teams
- Communicate proactively. Eliminate the need for follow ups
- Act with authority
- Action
- Prioritize action over discussions
- Run small pilots for each idea
- Make mistakes, learn, don't repeat.
- Curiosity
- To understand our customers and markets deeply beyond the stated
- To push the boundaries and innovate
- To never settle for less
Beyond the salary (and great coffee!)
- Freedom to test out any idea in your function or outside of it.
- Gender-neutral policies
- Free Books Program- buy any book that you would like to read for the company library. The Company pays for it.
- 25% of your time can be devoted to the causes you care about. (Pursue your passion or hobby)
- Exclusive talks & insights from the experts for the growth & development of our team
- Full tuition fees sponsorship for Baristas
- Family support programs for Baristas
Opportunity
As a team member in SLAY’s growth team, you will work on projects to grow the brand’s reach, resonance and resultant goodness.
Your Boss
You will work directly with the Co-founder . This position is being hired for the Centre of Excellence team at SLAY.
Your Team
You will collaborate with business teams to develop in house training & learning strategies, creative teams to develop impactful creatives, operations teams for execution & external partners to set up and manage specific learning and development initiatives..
Key Result Areas
- Drive technology first learning interventions for all members of the organization.
- Design and deploy the end to end training framework from training needs identification to continuous assessments and certifications.
- Develop content using instructional design methodologies. Suggest and deploy new age and industry first tools and systems.
- Own the competency dictionary of the organization and drive brand values and culture through culture philosophy through all training and development activities.
- Manage and guide the training team which will include instructional designers, content developers, training coordinators etc.
- Keep abreast of training trends, developments and best practices of the Industry.
Your role requires knowledge and demonstrable experience of:
- 6+ years of experience in developing and executing successful training initiatives.
- Familiar with traditional and modern training processes
- Meticulous attention to detail
- Ability to plan, multi-task and manage time effectively
- Entrepreneurial with the ability to think of industry first and rule breaking initiatives
- Organizational skills
Next Steps:
If you wish to explore this opportunity further,
- Send us a copy of your latest resume
- A quick note on what excites you about working with SLAY. You can do this as an audio file, video file or a simple write up as well.
- We will schedule one to one interactions with your potential boss, team members and peers.
We help enterprise software companies deliver faster time-to-value during customer onboarding & implementation. Our platform enables cross-functional teams (Sales, Pre-Sales, Customer Success, Professional Services, Product, Engineering & QA) to collaborate at scale on a ‘single source of truth’ to track, prioritise and close any gaps in the delivery of customer use cases.
If you are passionate about delivering data driven operational excellence for customers and making a big impact as the 'Founding Engineer' in an enterprise SaaS startup - then we would like to hear from you!
You will get a unique opportunity to work with an experienced leadership team and grow your career with the company!
This is a unique opportunity to become a technical lead in a growing early stage Enterprise SaaS startup.
Remote Work : We are a remote-first company with a fully distributed team.
Responsibilities:
- Ownership of the entire front-end development from requirements to deployment
- Lead and mentor the front-end development team
- Take architectural and design decisions
- Set up development, testing and deployment processes as per best practices
- Conduct code reviews and approve pull requests
- Work with the founders to ship new features that solve our customers’ needs
- Work with Product Designer to turn designs into functional responsive front-end application UI components.
- Take initiative to improve system’s software architecture, UI, UX, scalability and performance
- Participate in the customer meetings for solution design and technical discussions
- Help in customer support activities by resolving any technical queries/issues reported by the customers
Requirements:
- B.E/B.Tech in Computer Science or related field
- 3-5 years of industry experience as a Front-End Engineer in a SaaS product
- 3+ years of experience in ReactJs
- Proficiency with front-end languages HTML/CSS/JavaScript and multiple libraries
- Proficiency with Unit and end-to-end testing UI frameworks
- Experience with CI/CD and deployment to AWS
- Prior experience with building and maintaining design systems
- Familiarity with tools like Figma and experience turning Figma designs into top-class UI
- Knowledge of REST APIs
We are looking for a super cool Senior Android Developer to hold the fort for our Android Users. If you have a good knack for design and perfection is what drives you, then join our flock of perfectionists trying to create a super cool Dating App for the GenZs.
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.





