Performance Marketing Manager

Key Responsibilities

● Design & Development

○ Architect and implement data ingestion pipelines using Microsoft Fabric Data Factory (Dataflows) and OneLake sources

○ Build and optimize Lakehouse and Warehouse solutions leveraging Delta Lake, Spark Notebooks, and SQL Endpoints

○ Define and enforce Medallion (Bronze–Silver–Gold) architecture patterns for raw, enriched, and curated datasets

● Data Modeling & Transformation

○ Develop scalable transformation logic in Spark (PySpark/Scala) and Fabric SQL to support reporting and analytics

○ Implement slowly changing dimensions (SCD Type 2), change-data-capture (CDC) feeds, and time-windowed aggregations

● Performance Tuning & Optimization

○ Monitor and optimize data pipelines for throughput, cost efficiency, and reliability

○ Apply partitioning, indexing, caching, and parallelism best practices in Fabric Lakehouses and Warehouse compute

● Data Quality & Governance

○ Integrate Microsoft Purview for metadata cataloging, lineage tracking, and data discovery

○ Develop automated quality checks, anomaly detection rules, and alerts for data reliability

● CI/CD & Automation

○ Implement infrastructure-as-code (ARM templates or Terraform) for Fabric workspaces, pipelines, and artifacts

○ Set up Git-based version control, CI/CD pipelines (e.g. Azure DevOps) for seamless deployment across environments

● Collaboration & Support

○ Partner with data scientists, BI developers, and business analysts to understand requirements and deliver data solutions

○ Provide production support, troubleshoot pipeline failures, and drive root-cause analysis

Required Qualifications

● 5+ years of professional experience in data engineering roles, with at least 1 year working hands-on in Microsoft Fabric

● Strong proficiency in:

○ Languages: SQL (T-SQL), Python, and/or Scala

○ Fabric Components: Data Factory Dataflows, OneLake, Spark Notebooks, Lakehouse, Warehouse

○ Data Storage: Delta Lake, Parquet, CSV, JSON formats

● Deep understanding of data modeling principles (star schemas, snowflake schemas, normalized vs. denormalized)

● Experience with CI/CD and infrastructure-as-code for data platforms (ARM templates, Terraform, Git)

● Familiarity with data governance tools, especially Microsoft Purview

● Excellent problem-solving skills and ability to communicate complex technical concepts clearly

NOTE: Candidate should be willing to take one technical round F2F from any of the branch location. (Pune/ Mumbai/ Bangalore)

Java GS Java Developer – Job Description Wissen Technology is now hiring for a 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. - 2- 7 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 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 Java GS 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 

6+ years of total software development experience with minimum 3+ years in Flutter

Product-based company experience is mandatory (B2C scale preferred)

Proven ability to own end-to-end Flutter mobile architecture for high-scale apps

Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)

Hands-on experience with platform channels and native integrations (Android & iOS)

Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline

Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)

Strong skills in offline-first architecture, caching layers, and API integrations

Ability to optimize video playback, downloads, DRM, and OTT workflows

Strong command of clean code, SOLID principles, and scalable mobile system design

Experience reviewing code and mentoring engineers (Senior IC role)

Position – SRE Engineer

Location – Navi Mumbai

Who are we

Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics-based diagnostic solution for Tuberculosis was recognized as one of the top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.

About the Role:

We are seeking a highly skilled Site Reliability Engineer (SRE) to join our infrastructure team. The ideal candidate will bring deep expertise in Linux systems, cloud infrastructure automation, and network administration, with a strong focus on reliability, scalability, and performance. ensuring firewall/network security compliance.

Key Responsibilities:

• Develop and maintain automation scripts (Bash, Python, etc.) for system and cloud infrastructure operations.
• Manage, monitor, and troubleshoot Linux servers in production environments
• Familiarity with Network tools in Linus to triage network connectivity and performance issues .
• Configure, maintain, and secure network infrastructure including switches, routers, and firewalls.
• Design and execute Network Continuity Plans (NCP) and disaster recovery strategies.
• Collaborate with cross functional team for triaging and resolving site specific issues in production related to server deployment , SOP adherence , Triage and defect resolution
• Collaborate with developers and DevOps teams to define SLAs, SLOs, and error budgets.
• Implement proactive monitoring and alerting using modern observability tools.
• Participate in on-call rotations and incident response processes.
• 
  

Objectives of this Role:

• Build, automate, and manage scalable infrastructure and deployment pipelines to support development and production environments.
• Enable rapid, secure, and reliable software delivery across engineering teams.
• Ensure system availability, performance, and security in cloud and containerized environments.
• Implement and enforce best practices in CI/CD, observability, and incident response.
• Collaborate with cross-functional teams including software developers, QA, and product managers.
• Proactively identify and automate manual processes to improve engineering efficiency.
• 3–7 years of experience as an SRE, DevOps, or Systems/Network Engineer.
• Strong scripting skills (e.g., Bash, Python, or Go).
• Proficiency in Linux administration and performance tuning.
• Deep understanding of TCP/IP, routing, DNS, firewalls, and networking protocols.
• Hands-on experience managing network infrastructure and firewall rules (e.g., iptables, pfSense, Palo Alto, etc.).
• Docker (multi-stage builds, docker-compose)

Soft Skills

• Proactive problem-solving and ownership mindset
• Strong documentation and communication skills
• Ability to mentor junior engineers
• Curiosity to learn and experiment with emerging DevOps tools

Preferred Qualifications:

• Certifications such as CKA/CKAD, RHCE, AWS Certified SysOps Administrator, or Cisco CCNA/CCNP.
• Experience with service meshes (e.g., Istio), observability stacks (e.g., Prometheus, Grafana), or network policy management (e.g., Calico, Cilium).
• Exposure to secure DevOps practices and compliance standards (e.g., ISO, NIST).

To know more about us – https://haystackanalytics.in

Extensive hands on and teaching experience on Digital / SV /UVM/ Verilog / VHDL /DFT tools

Extensive experience in Back-end design

Experience on Mentor Graphics EDA flow is an added advantage

Responsible for development and support of Projects.

Responsible for Debugging the source codes in Verilog, SV, and UVM.

Responsible for Training Delivery and Support

Sound Knowledge on Digital / Verilog / VHDL / SV / UVM / DFT / Back-end design

3 to 8 years industry/teaching experience

Good communication skill

We're looking for a Sr. Android Developer to work on improving the performance and UX for our Android app and build kick ass new features. 

If you love building slick Android apps and pushing the limit on interactions, animations and usability, then this one's for you.

Required Skills:

Worked in app teams with multiple contributors/ team members

Demonstrated understanding of app architecture + best practices

Detail oriented with a focus on app performance and stability

Expertise in UI implementation - interactions, animations and design. We do not always follow material design, so should be comfortable with building custom UI elements

Understanding of how to build online->offline apps using local databases and file storage, and syncing with remote resources

Experience implementing any of the following is a bonus: branch.io , Google Analytics, Flurry, Urban Airship

Understanding of utilizing phone camera and in-app image manipulation is a bonus

Self motivated (we don't micromanage)

Product and design oriented thinking

We're looking for a Sr. Android Developer to work on improving the performance and UX for our Android app and build kick ass new features. 4+ years of experience in Android development is a must, with the ability guide app architecture and development to create high performing apps with stellar UX.

If you love building slick Android apps and pushing the limit on interactions, animations and usability, then this one's for you.

Required Skills:

Worked in app teams with multiple contributors/ team members

Demonstrated understanding of app architecture + best practices

Detail oriented with a focus on app performance and stability

Expertise in UI implementation - interactions, animations and design. We do not always follow material design, so should be comfortable with building custom UI elements

Understanding of how to build online->offline apps using local databases and file storage, and syncing with remote resources

Experience implementing any of the following is a bonus: branch.io , Google Analytics, Flurry, Urban Airship

Understanding of utilizing phone camera and in-app image manipulation is a bonus

Self motivated (we don't micromanage)

Product and design oriented thinking

Required Candidate profile