Software Developer

Software Developer (.NET, BI, SQL)Miejsce pracy: BiałystokTechnologies we useExpected.NETBIT-SQLSQLOLAPETLUMLAbout the projectTL;DR• Who: Software Developer (.NET, BI, SQL)• Contract Type: B2B/UoP• Maximum notice period: 3 months• Salary range: Up to 150 PLN/h + VAT• Start date: from 01.12.2025• Term of the agreement: 1 year, with the possibility of extension for another 2 years• Company: Software House• Project topic: Public InstitutionThe project is carried out as part of a public tender for the development and maintenance of enterprise-class IT systems for a European Agency operating in Poland.Your responsibilitiesDesigning and developing enterprise-level software solutions using .NET technologies, SharePoint, and React.Translating business and technical requirements into clear, practical software designs and prototypes.Proposing and implementing technical solutions that meet business needs and solve complex challenges.Leading development teams and supporting them throughout the project lifecycle.Setting and maintaining software development standards to ensure high-quality, consistent, and secure code.Optimizing applications for performance, security, and overall quality.Estimating development effort and timelines, contributing to project planning and delivery.Managing configuration, version control, and software releases.Preparing and maintaining technical documentation to support development, operations, and testing.Contributing to requirements analysis, testing, quality assurance, change management, and deployment activities.Creating internal testing tools and supporting second- and third-line technical support as needed.Collecting and interpreting software metrics to drive improvements in quality and performance.Our requirementsAt least one certification in a software development technology domain (Microsoft Business Intelligence, .NET, or similar) at an intermediate level, or an equivalent internationally recognized certificate.English level B2 or higher.At least a bachelor’s degree in computer science or a related field.Experience in at least two projects focused on design, implementation, and deployment of solutions based on Microsoft Business Intelligence or similar technologies, including at least one complete solution lifecycle.At least 3 years of experience working in .NET development.Proficient in designing and developing complete software solutions, including data layer, business logic layer, and UI layer, with strong knowledge of databases, SQL, ETL, reporting, OLAP, and data mining tools.Expert in developing enterprise-level software systems in the specified technology domain, with hands-on experience in Scrum-based environments.Knowledge of UML and the ability to design applications using UML diagrams.Ability to lead technical teams, solve problems effectively, and document technical solutions clearly and effectively.This is how we organize our workThis is how we workat the client's siteyou focus on a single project at a timescrumDevelopment opportunities we offerassistance in preparation to public speechesdevelopment budgetsoft skills trainingsubstantive support from technological leaderstechnical knowledge exchange within the companyWhat we offerDevelopment budget (€1200)Modern work tools and technologiesPrivate medical care and a Multisport/Medicoversport cardCollaboration with experienced and engaged people who will appreciate your work and support you whenever you need it Hybrid and flexible cooperation model based on a B2B contract, with the option of occasional on-site presence at the client’s office (e.g. once or twice a week, depending on project needs)Access to psychological support and well-being material through MindgramBenefitssharing the costs of sports activitiesprivate medical caresharing the costs of professional training & courseslife insuranceremote work opportunitiesflexible working timeintegration eventscorporate libraryno dress codeemployee referral programINSPEERITY sp. z o.o.We are Inspeerity (part of DevelopX group), a modern software house, providing software development, consultancy, and maintenance services. We specialize in full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people.