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Sahana Kasaru

Sahana Kasaru


London, Greater London, UK
+44 xxxxxxxxx
English

Background


About

About

Software Engineer with expertise in Quality Assurance, delivering robust QA solutions across healthcare, defence, and consumer sectors. Skilled in aligning engineering practices with business goals, leading digital transformation, and optimising QA processes for performance and reliability. Proven ability to design scalable test strategies, implement automation frameworks, and drive continuous improvement in Agile environments.

Continuously expand technical expertise through hands-on learning and emerging technology adoption. Certified in AWS, Google Cloud, and SAFe and inclusive leadership. A collaborative team player and proactive mentor, leading initiatives that empower the next generation of women in tech

Work Experience

Work Experience

  • Principal Consultant | QA Lead, RAF Appivate

    Sep, 2022 - Dec, 20242 years 3 months

    Served as the QA Lead for the RAF Appivate, responsible for designing and implementing RAF’s strategic QA framework across multiple products. During the 24-month engagement, she oversaw test management, defect prioritisation, ensured release readiness, and focused on delivering quality assurance across various applications, primarily assuring quality and release readiness of a new digitalized HR Hub for RAF

    • Delivered strategic QA framework across multiple digital products

    • Defined the test strategy, led end-to-end test management and release readiness, ensuring high-quality delivery of a new digital HR system by transitioning 18 complex forms into Public Beta

    • Engaged with Stakeholders to facilitated feature signoffs, and ensured release readiness via Early Life Support

    • Setup Through Life Support operations, including incident and SLA management via JSM dashboards. for secure data integration, ensuring GDPR compliance and robust governance assessed via Gateway Review Board (GRB).

    • Skills | End-to-End Test strategy, Test management, Agile testing, Scenario based testing, moderated UAT (75+ Sessions), Cypress automated testing, Performance testing and monitoring, Stakeholder Engagement, Defect Management, Early Life Support, Jira Service Management, Incident management, SLA Monitoring, Product Owner coaching and QA workshop facilitation.

  • Principal Consultant | Quality Assurance , Roche One Safety Medical Device Program

    Jun, 2022 - Aug, 20222 months

    Contributed to UAT preparation for a cross-government initiative led by the Office for National Statistics (ONS) to replace the Secure Research Service (SRS). Supported the conceptual design of the target architecture, enabling validation of the full project lifecycle and ensuring the new service met its intended operational and user requirements

    • Collaborated with Pharma Development Safety Operations (PDSO) to deliver over 100 source documents covering diverse clinical scenarios.

    • Facilitated workshops with key SMEs to review and enhance documentation, aligning updates with project timelines and compliance standards

    • Proactively addressed knowledge gaps and potential data integrity issues, contributing to improved decision-making and regulatory preparedness.

    • Skills | UAT Strategy, Regulatory Compliance, Gap analysis, Data Analysis, Impact assessment, Stakeholder engagement, Scenario based testing, Operational assurance.

  • Principal Consultant | QA Lead, NIHR Digital Strategy Implementation Program

    Aug, 2021 - Jun, 202210 months

    Led the end-to-end test strategy and execution for NIHR Digital Solutions, ensuring alignment with business requirements and readiness for integration and go-live. Oversaw test planning, delivery, and environment management across QA, UAT, and OAT phases, with a strong focus on BDD-driven Agile testing of participant user journeys, cross-browser/device compatibility, and accessibility compliance

    • Designed and implemented test frameworks to validate integration readiness, ensuring seamless system performance across environments.

    • Managed build releases and conducted comprehensive end-to-end testing, including pre- and post-live defect triage, resolution, and closure using JIRA.

    • Ensured accessibility compliance with GDS and WCAG standards, validating the Be Part of Research (BPOR) platform using assistive technologies such as screen readers.

    • Conducted performance testing for the DTE private beta release using k6 and AWS CloudWatch, simulating real-world load scenarios and identifying key performance metrics.

    • Delivered actionable insights to engineering teams, helping mitigate performance bottlenecks and reduce risk of downtime and outages.

    • Facilitated regular PO reviews and defect triage sessions, improving test process efficiency and stakeholder alignment.

    • Skills | Test Strategy & Planning, Agile Testing (BDD), Test Automation (Cypress), Accessibility Testing (WCAG, GDS) Load Testing with k6, Monitoring & Analysis with AWS CloudWatch, Environment Management (QA, UAT, OAT) Defect Management with JIRA

  • Consultant | Test Automation Engineer , Sector Alarm Security System

    Apr, 2021 - Jul, 20213 months

    Designed and implemented a robust test automation framework to support end-to-end testing of complex digital services. Developed a Behavior Driven Development (BDD) automation suite using SpecFlow, C#, and .NET Core, integrating functional and persona-based user journeys to ensure comprehensive test coverage

    • Created and executed test plans and strategies aligned with Agile delivery, enabling continuous integration through Azure DevOps pipelines triggered on every master merge

    • Conducted performance testing using Locust, identifying infrastructure bottlenecks and optimizing resource utilization to mitigate system risks.

    • Collaborated closely with DevOps teams to support deployment readiness and environment stability, leveraging kubectl to monitor Kubernetes clusters, inspect logs, and manage resources.

    • Delivered actionable insights that improved system reliability and supported faster, more stable release

    • Skills | Test Automation Framework Design, Behavior Driven Development (BDD), SpecFlow, C#, .NET Core Azure DevOps Pipeline, Functional & Regression Testing, Performance Testing with Locust Kubernetes Monitoring & Management, Continuous Integration / Continuous Deployment (CI/CD) Infrastructure & Environment Optimization

  • Consultant | Test Engineer , Alstom

    Mar, 2020 - Mar, 20211 year

    Rail Network Simulation - Alstom MCS Infinity & MARS Collider, ACI/ARS Logging CR
    Contributed to the Alstom project focused on simulating train movements across the UK rail network to optimise timetables and reduce operational conflicts. Led the analysis of data requirements, data driven testing and the development of test scenarios to validate system performance and integration.

    • Designed and executed end-to-end testing of data flows between Alstom’s input interfaces (Collider) and output systems via the Simulator.

    • Coordinated with the wider MARs team to manage test dependencies across Collider, Optimizer, and Simulator components

    • Performed integration, sanity, and smoke testing to ensure system stability and readiness for production releases

    • Collaborated cross-functionally to investigate and resolve issues identified during testing, contributing to improved system reliability and delivery timelines

  • Consultant | Data Engineer , Photobox Pxxl Migration

    Aug, 2019 - Mar, 20207 months

    Contributed to the successful migration from PosterXXL to the PhotoBox data platform by designing and implementing scalable data models using dbt on the Snowflake data warehouse. Transformed unstructured data from multiple producers into clean, aggregated datasets that powered PhotoBox’s core data workflows.

    • Created source-to-target mappings and documented data transformation logic, metadata, and dependencies to ensure transparency and maintainability

    • Developed and maintained robust data pipelines to collect, cleanse, and synthesize large volumes of data, enabling accurate and timely business insights.

    • Collaborated with cross-functional teams to integrate curated datasets into production workflows, supporting data-driven decision-making across the organization

    • Skills | Data Modeling Data Transformation, dbt (Data Build Tool), Snowflake Data Warehouse, Data Pipeline Development, Data Cleansing & Aggregation, Source-to-Target Mapping, Metadata & Dependency Documentation, Integration of Data Workflows, Unstructured Data Processing

  • Consultant | Software developer, Care Inspectorate Digital Transformation

    Feb, 2018 - Jul, 20191 year 5 months

    Contributed to the Care Inspectorate’s digital transformation initiative by developing scalable web-based solutions and API services for complaints and scrutiny data, hosted on Azure Cloud. Played a key role in both software development, data migration and knowledge transfer within a cross-functional team.

    • Developed and deployed cloud-native applications and RESTful APIs to support core business functions

    • Facilitated effective communication between business analysts and developers by capturing, analyzing, and documenting functional requirements.

    • Supported QA efforts by generating representative test datasets using SQL for complaints triage and investigation workflows

    • Led data migration activities: Setting up CI/CD pipelines using Azure DevOps Implementing data transformation workflows in Azure Data Factory Scheduling and monitoring SSIS packages via data-driven workflows

    • Skills | Web Application Development, RESTful API Development, Azure Cloud Services, Azure DevOps (CI/CD Pipelines), Azure Data Factory SSIS (SQL Server Integration Services), Data Transformation & Migration, SQL Scripting for Test Data Generation, Data-Driven Workflow Automation, Cloud-Native Architecture

  • Consultant Analyst | Lead QA Engineer , Care Quality Commission

    Jul, 2017 - Jan, 20191 year 6 months

    Led quality assurance for the ASC, PIR, and SYE projects at the Care Quality Commission (CQC), ensuring applications met user experience standards and functional requirements. Championed a user-focused testing approach, aligning QA efforts with real-world usage scenarios.

    • Enhance test coverage of user journeys across browsers and devices using modern testing tools Codeception and BrowserStack

    • Conducted performance testing using JMeter, identifying system reliability and resource utilization under varying workloads.

    • Designed and implemented test strategies that ensured high-quality releases and improved user satisfaction.

    • Trained client-side testers on test suite setup and tool usage, fostering a culture of quality and self-sufficiency across teams.

    • Skills | User-Centric Testing, performance and tooling expertise

  • Analyst | Cloud Migration & DevOps Engineer , UK Clinical Trials Gateway

    Apr, 2017 - Jun, 20172 months

    Contributed to the UK Clinical Trials Gateway (UKCTG) initiative aimed at enhancing volunteer engagement and positioning the UK as a hub for accelerated clinical trial recruitment. Led the successful migration of web applications and infrastructure from Redcentric to Amazon Web Services (AWS), ensuring scalability, reliability, and operational continuity.

    • Deployed and configured key services including dotCMS, Solr, and supporting components on AWS EC2 instances. • Automated CI/CD pipelines to streamline deployment processes and reduce release cycle times.

    • Migrated backup data to AWS S3 using AWS CLI and implemented scheduled backup jobs and service monitoring across environments

    • Developed and tested AWS snapshot recovery procedures to ensure business continuity and disaster recovery readiness

    • Delivered UX enhancements on dotCMS, implementing web-specific solutions to improve user experience.

    • Authored comprehensive documentation to support ongoing operations and knowledge transfer for support teams.

    • Skills | Cloud Migration (Redcentric to AWS) AWS EC2, S3, CLI, Snapshots & Backup Management CI/CD Pipeline Automation, dotCMS Configuration & UX Development, Solr Setup & Integration, Infrastructure Deployment & Monitoring, Disaster Recovery & Business Continuity Planning, Web App Deployment, Environment Scheduling & Service Management, Technical Documentation

  • Analyst | Data & Application Support , Aqua America’s strategic growth support

    Feb, 2017 - Jun, 20174 months

    Supported Aqua America’s strategic expansion into water and sewage treatment markets across multiple U.S. states by delivering high-quality data transformation and application support services. Collaborated with the Strategic Growth Support team to process and analyze survey data critical to identifying state-specific acquisition targets.

    • Designed and executed ETL workflows to transform and cleanse large datasets within a Microsoft SQL Server data warehouse, enabling accurate strategic analysis.

    • Developed SQL scripts to support GeoID mapping and acquisition modeling, directly contributing to the success of key deliverables.

    • Implemented data mapping procedures that improved data quality and alignment with business objectives.

    • Provided Level 3 application support for the Aqua application suite, including code enhancements, bug fixes, and deployment of revised features.

    • Analysed process flows and event logs to resolve support tickets and implement minor application modifications, improving system reliability and user satisfaction.

    • Skills | ETL Development & Data Transformation, Microsoft SQL, Server SQL Scripting Data Cleansing & Mapping, GeoID Mapping & Analysis, Data Warehousing Application Support (Level 3), Code Enhancement, Event Log Analysis Strategic, Data Processing

  • Analyst | Solution Developer , Clinical Research Network

    Aug, 2016 - Dec, 20164 months

    The Clinical Research Network (CRN) is part of the UK’s National Institute for Health and Care Research (NIHR), supporting high-quality clinical research across the NHS. The Reference Terminology Service (RTS) project aimed to streamline data integration and terminology management across multiple healthcare systems, enhancing research efficiency and data consistency.

    • As a core member of the RTS development team, contributing to the design and implementation of service components for data exchange across integrated systems.

    • Led the data cleansing process for migrated datasets from external sources and authored comprehensive documentation for the data load procedures.

    • Played a pivotal role in the successful delivery of Release 2.0, collaborating closely with the RTS and CPMS teams

    • Skills | Service-Oriented Architecture (SOA), Data migration and cleansing, Technical documentation, Agile development, Cross-functional team collaboration

  • Software Developer, Saloc Technologies

    Aug, 2013 - Sep, 20152 years 1 month

    Saloc Business App was a robust, web-based enterprise solution designed to streamline end-to-end organisational management and daily operations. It features role-based access to a suite of integrated modules, including Organisation, HR, Activity Tracking, Customer Management, Enquiry Handling, Reporting, and an internal Email System. Led the full lifecycle development of assigned modules, encompassing requirements gathering, system design, coding, testing, and deployment.

    • Analysed user requirements and translated them into functional module designs. Developed business logic layers, class libraries, and modular components using ASP.NET MVC.

    • Designed and implemented UI components using Razor, HTML5, CSS, and JavaScript.

    • Created and maintained SQL Server databases, including stored procedures and queries. Utilised ADO.NET Entity Framework and LINQ for efficient data access.

    • Applied server-side and client-side validation using ASP.NET controls and JavaScript. Conducted unit testing and managed deployment across development, test, and production environments.

    • Reported project progress to management and led client-facing technical documentation and presentations.

    • Skills | C#, ASP.NET 4.5, MVC 4, Razor, LINQ, ADO.NET, HTML5, CSS, JavaScript, jQuery, MS SQL Server

Skills

Skills

  • Quality Assurance & Testing

    Exploratory Testing

    Functional Testing

    API Testing

    Usability Testing

    Regression Testing Strategy

    Cross-Browser & Cross-Platform Testing

    Test Case Design & Execution

    Defect Lifecycle Management

    User Acceptance Testing

    Bug Triage & Prioritisation

    Agile Testing

    Requirement Traceability Matrix

Education

Education

  • Computer Science, Bachelor of Engineering, Dayananda College of Engineering, Bangalore, India

    Aug, 2009 - Jul, 2012

Certificates

Certificates

Volunteer Work

Volunteer Work

  • Mentor, Generation Success

    Jan, 2025 - Aug, 2025

    Supporting a young student in preparing for early career success as part of Generation Success’s mentoring initiative. Providing monthly one-on-one guidance focused on career planning, skill development, and confidence building

  • Lead Instructor, Code First Girls

    Aug, 2019 - Aug, 2020

    Serve as an instructor for a web development course aimed at empowering young women and non-binary individuals with foundational coding skills. Collaborate closely with PA’s Women in Tech team and Code First: Girls to deliver inclusive, hands-on learning experiences.

    Guide students through the design and development of websites using HTML, CSS, and JavaScript, fostering both technical proficiency and creative confidence. This role offers the rewarding opportunity to support learners as they transform their aspirations into tangible digital projects

Interests

Interests

  • Women in Tech

    STEM Events VolunteeringWomen in Tech coding events
  • Wellness

    Hiking and nature explorationArt and mindfulness
References

References

  • Available on request