Ashan Tissera Email & Phone Number

Quincy, Ma, Us

Oversaw overall engineering solutions and provide strategic vision and leadership for digitalizing research data capture at Rheos. • Led a team of onsite, offsite, and offshore engineers and managed many custom software development projects• Defined a long-term informatics strategy that aligns with Rheos business objectives and a short-term plan to satisfy the immediate need of the functional groups by collaborating with key stakeholders.• Evaluated and created a clear roadmap for informatics infrastructure improvements and gained consensus form stakeholders.• Managed vendor relationships, including selection, purchases, licensing, and ongoing maintenance of systems • Prepared and managed annual informatics budget.• Participated in designing, implementing and maintaining AWS cloud infrastructure at Rheos Medicines• Deployed and Maintained all Informatics/Bioinformatics software (Airflow/NetFlow Tower/Shiny App/R studio Connect/LIMS/ELN/Spotfire etc.), compute environments (AWS batch/Next Flow tower compute environments and Databases• Led design and implementation of a centralized multidimensional data warehouse (Postgres RDS) and a data/delta lake (DataBricks) project for supporting historical data analysis and ML workflows. • Led design and implementation of ETL data pipelines (Apache Airflow) for bringing data and metadata into the data warehouse from vender software and Lab instruments (FIA-TOF, Q-TOF, MSD, Fortessa, Guava etc.) • Led LIMS/ELN customizations, coordinating with scientific groups, vendors and software development teams. • Played a key role in implementing GDPR compliance at Rheos for acquiring and processing patient samples• Advocated and implement best practices for data capture (FAIR data management), integration, and analysis.• Implemented software development best practices throughout projects and engineering teams, and setup monitoring and auditing tools (Jira, Prometheus Grafana, SonarQube. GitLab, Jenkins).

Quincy, Ma, Us

Manage a team of engineering consultants and work with Biotech and Non-Biotech companies, helping them with evaluating and designing software solutions to their electronic data capture and process automation needs.• Manage and lead custom software development projects and development teams (Onsite andOffshore)• Manage vendors, consultants, and overall engineering budget.• Plan and estimate of IT and Informatics projects for clients.• Advocate and implement best practices for data capture, integration, and analysis from disparateexternal data sources.• Design and implement data warehouse solutions to centralize data storage for reporting and datamining• Evaluate LIMS/ELN and MES/EBR software systems to support GMP for BioTech companies.• Lead and manage LIMS and ELN workflow customization and Lab instrument integration• projects coordinating with internal client staff, application vendors and software developmentteams.

Cambridge, Massachusetts, Us

Stablished an engineering team at Genocea to develop a data capture and analysis platform for Genocea’s ATLAS™ proprietary antigen discovery platform. • Provided strategic leadership across multiple functional areas to create broad, integrated informatics system vision for Genocea.• Conducted analysis of enterprise wide systems across functional areas and design proposals to meet current and future strategic needs of the company.• Evaluated and signed contracts with offshore software consulting companies to build offshore engineering teams.• Hired software engineering resources onsite and at offshore and build software engineering teams.• Managed multiple software development projects(budget, resourcing and communications with executive team etc.) and provide technical leadership to multiple engineering teams.• Evaluated external software vendors and coordinate with them to get third party software applications introduced to Genocea.• Led software applications design and development.• Led data warehouse and Business Intelligence Application design and development.

I was hired to build a small-molecule screening automation platform for Constellation Pharma and was responsible for designing the enterprise software architecture and directing multiple onsite and offshore engineering teams. • Participated in requirement gathering with scientists and external research organizations(CROs).• Evaluated and signed contracts with offshore software consulting companies to build offshore engineering teams • Hired, managed and provided technical leadership to onsite and offshore software development teams.• Converted software development teams from waterfall SDLC to Agile by introducing Agile Scrum practices to get maximum productivity. • Played the role of Scrum Master and Managed software projects. • Introduced coding standards conducted code reviews. • Designed software applications using Sparx-Enterprise Architect and generate initial code base and Prepare design documents.• Designed the enterprise data model for the platform.• Designed and developed WCF web services and web applications using ASP.Net MVC.• Developed SharePoint web parts, features and DotNetNuke controls Environment: Microsoft Visual Studio 2010/2012/2013, Visio 2013, .NET Framework 3.5/4.0/4.5, Ajax, Telerik toolkits, Windows Communication Foundation (WCF), C#, ASP.NET, ASP.NET MVC 3/ MVC 4, ADO.NET, ODP, LINQ, DotNet Nuke, NuGet,, JQuery, XML, XSLT, Oracle 10g/11g, Team foundation server 2012/2013, SQL Server 2008 R2, MS SharePoint Server 2007, Toad, Windows Server Enterprise 2008, Windows Server Stranded 2008.

I worked as a consultant for Ore Pharmaceuticals Inc. to design and develop a software platform to capture and analyze internal research data and securely expose to their collaborators. I was involved in designing the enterprise data model and communication architecture. • Re-engineered the existing software solutions to align with the new communication architecture.• Introduced coding standards and SDLC best practices to the team. • Created and reviewed requirement document, design documents and deployment documents.• Designed software components to mine information form external web sites.• Developed ASP.Net web applications and Win Forms applications.• Developed reports using third party libraries such as Syncfusion and Telerik.• Created Packages, procedures, triggers and functions for data retrieval, transactional updates, calculations and compound searches using PL/SQL in Oracle 10g.Environment: Microsoft .NET 2008 with .NET Framework 3.5, C#, ASP .NET, ADO.NET, Oracle 10g, Visual Source Safe, Toad, SQL Developer, Syncfusion Essential XlsIO .Net library

Toronto, On., M6P 4G4, Ca

Elections Ontario is the project initiated by Ontario province government to re-engineer and automate the entire election process. This project provided them a state of the art solution to handle the entire election by coordinating all stakeholders.I was involved in designing and developing may sub systems of this enterprise web application.• Created architecture documents for some modules by describing the control structure and their implementation details.• Created solution structures and base class structures for new modules. • Conducted Codes Reviews.• Configured Authorization Manager (AzMan) security by adding roles, tasks and operations.• Designed and normalized the data models for some of the modules.• Developed ASP.Net 2.0 custom controls .• Developed SharePoint web parts and customized SharePoint site by creating Application pages, Site pages and Content types.• Implemented dynamic maps, pie charts and results nuggets using ASP.NET AJAX controls to display the real-time results.• Developed service class for data manipulation and web services to expose data to the internet applications. • Created stored procedures, triggers and functions for data retrieval, transactional updates, calculations and candidate searches using TSQL in SQL Server 2005.• Used SQL Profiler to analyze quarry performance and fine-tuned stored procedures by creating in memory tables and indexes. • Researched and developed WordML reports using XML/XSLT.• Created a SSIS package to transfer current election data to the Historical database for report generation.• Led deployment of total solution on to QA, UAT and Production environments during final stages of the project.Environment: Visual Studio 2005, C#, ASP .NET and ADO .NET, XML, XSLT, WordML, HTML, Java Scripts, Microsoft Enterprise Libraries, SQL Server 2005, Authorization Manager (AzMan) , Share Point Server 2003, T-SQL, SSRS , SSIS, Microsoft Team Foundation Server.

The TravelBox Technology provides a cost-efficient platform for distribution and management of travel and tourism products via a multi-channel distribution model that incorporates multiple interfaces such as multiple online booking websites, multiple call centres and multiple offshore data-loading teams. I was involved in designing and developing many software subsystems of CodeGen's "TravelBox" enterprise software product. • Involved in system analysis and design, using UML diagrams such as Use Case Diagrams, Sequence Diagrams and Class Diagrams.• Designed and normalized the data models for some modules using CaseStudio-2.18.• Implemented the client applications using Java Swing components in Borland JBuilder. • Developed service class to access data using JDBC and web services to expose data for various reservation client applications. • Created Packages, Triggers and functions for data retrieval, transactional updates, and fare calculations using PL/SQL in Oracle 9i.• Integrated TravelBox system with other reservation systems such as Fiji Bedbank and Abacus.• Integrated TravelBox system with Solve/SE for credit card validation and authorization.• Developed Java classes for parsing XML documents received from other reservation systems and payment gateways using SAX and DOM.Environment: J2SE 5.0, Java Swing, Web Services, Oracle 9i Database, PL/SQL, SOAP, HTML, XML, JavaScript, SQL Plus, Oracle Developer, Borland Jbuilder Enterprise, Intellj-idea, CaseStudio-2.18, CVS, UNIX for application servers, Windows XP

Southborough, Ma, Us

Worked on Human resource management project in different capacities such as Software Engineer and Module Lead etc. (www.virtusa.com) HRIS is an enterprise web application developed for Virtusa (Pvt) Ltd to manage global human recourses in US, India and Sri Lanka. This system used merge replication in replicating data among different databases kept in different locations (Boston, Chennai, Hyderabad and Colombo). Responsibilities Research on encrypting sensitive data and implementing security. Design database schema for some modules. Develop business objects and stored procedures. QA defect fixing and Regression coding.Tools/Technologies Microsoft .NET 2003 with .NET Framework 1.1, with C#, ADO .NET, ASP.NET Microsoft Application block, SQL Server 2000,TSQL , Start Team

Data Science Professional Certificate, Data Science

Graduate Certificate In Project Management, Project Management

Architecting Big Data Solutions

Sql Server Analysis Services (Ssas) For Business Intelligence

Data Modeling/Warehousing (Dimensional Modeling )

Mongodb Advanced Deployment And Operations

Mongodb For Dbas

Mongodb For Developers

Certified Scrum Developer (Csd)

Certified Scrum Master‎ (Csm)

Mcsd, Microsoft Certified Solution Developer

Mcad, Microsoft Certified Application Developer

Mcp, Microsoft Certified Professional

Certificate In It, Infornation Technology

Bsc (Hons), Computer Science