Senior .NET Web Developer

Join the dynamic team at Finartix as a Senior Software Engineer specializing in .NET technologies. We are seeking a motivated and talented Backend Application Developer to contribute to our Software Engineering Practice. You will play an essential role in designing, implementing, and managing innovative technology-driven solutions that enhance our clients’ operational efficiency across various sectors. Key ResponsibilitiesEngage in the complete software development lifecycle including designing, testing, and maintaining bespoke applications.Adhere to established programming standards for naming conventions, security, performance, and ensure comprehensive code documentation.Act as a trusted technical advisor to clients, offering solutions tailored to their needs.Provide ongoing support to both business and IT users for existing applications.

Sleed is a distinguished web development and digital marketing agency with extensive experience in the industry. We are currently seeking a talented Mid/Senior .NET Software Engineer to enhance our dynamic team at our Tech Hub located at L. Athinon 100, Athens.The ideal candidate will play a pivotal role in the development, architectural design, and implementation of innovative software solutions and business projects. As part of our development team, you will collaborate closely with Project Managers to ensure all software projects align with client requirements and deadlines.Our team specializes in creating a diverse range of web applications, e-commerce platforms, websites, dashboards, and custom applications. We are looking for a professional who possesses solid experience in .NET Core development, particularly within e-commerce environments. Additionally, the Mid/Senior .NET Software Engineer will mentor junior developers, identifying their training needs and guiding their professional growth.In this role, you will also advise the organization on future technological advancements and opportunities, ensuring we remain on the cutting edge of technology.Your day-to-day responsibilities will include:Providing innovative solutions to technical challenges and project requirements.Contributing to performance profiling, troubleshooting, and resolving production issues.Collaborating with the project management team to define implementation strategies and providing accurate time and effort estimates.Consulting on process enhancements, tool improvements, and the adoption of new technologies.Designing, maintaining, and documenting APIs and application components.Integrating user-facing elements with server-side data.Ensuring the technical feasibility of UI/UX designs.Optimizing applications for speed and scalability.Adhering to secure coding practices to ensure application security and protection of sensitive data.Collaborating effectively with other team members and stakeholders.Supporting less experienced engineers through pair programming and knowledge sharing.Implementing automations for repetitive or complex administrative tasks.Delivering results in accordance with agreed timelines.Testing deliverables to ensure quality standards.

The TeamOpenBet stands as a premier global authority in the realm of betting and gaming entertainment, relied upon by over 200 partners to craft unforgettable winning experiences for millions globally. From managing bets during monumental events such as the FIFA World Cup and Super Bowl to innovating next-generation products like Bet Builder, we are constantly reshaping the player experience with superior content, innovative technology, and advanced player protection measures.With a legacy spanning over 25 years, our unparalleled platform has fueled the most recognizable betting brands, guaranteeing peak performance with 100% uptime, unmatched scalability, and speed. Holding 85 licenses and counting, alongside 20 World Lottery Association operators in our clientele, we boast a robust team of over 1,200 experts across 14 countries. Join OpenBet to elevate your career and collaborate with a global team at the forefront of shaping the future of betting entertainment for millions.The GoalWe are in search of a driven and ambitious Senior .NET Software Engineer to propel Sportcast's growth from our European offices.As a Senior Software Developer within the Trading & Data Solutions team, you will engage in a cross-functional capacity, developing, deploying, and supporting various projects and initiatives. You'll have the chance to work on diverse projects, producing code that is both testable and maintainable. As a valued team player, your contributions will be instrumental in team design, scoping, and prioritization discussions. This team is dedicated to assisting the business in achieving scalability through automation.Your role will encompass the development and maintenance of real-time systems.What You’ll Be DoingAnalyze and question business requirements critically.Actively participate in solution design efforts.Ensure our systems' performance, security, and availability.Develop high-quality, high-performing code aligned with business needs.Optimize solutions to support service levels while minimizing cloud expenses.Mentor fellow team members.Automate processes wherever feasible.Challenge existing practices to enhance our patterns, standards, and procedures throughout the organization.The Player5+ years of experience with .NET/.NET Core and C#Familiarity with Unit Testing, serverless technologies like Azure Functions, and containerized microservices using Azure Container Apps or AWS equivalentsExtensive expertise in SQL-based databases, including MSSQL and PostgreSQL, with a strong grasp of query optimization, indexing strategies, and performance tuning for large-scale, high-throughput applicationsProficient in utilizing GitHub Copilot and Cursor AI to enhance development speed while ensuring secure and compliant coding practices

Uni Systems is growing and looking for a .NET Software Engineer to join its remote team based in Athens, Attica, Greece. This position centers on building and supporting software solutions throughout their full lifecycle, from requirements gathering to deployment and ongoing maintenance. What you will do Contribute to all phases of the software development lifecycle, including taking on leadership tasks when needed. Manage client implementations by analyzing requirements, designing systems, developing features, and deploying solutions. Assist with system deployment and configuration to ensure smooth operation. Recommend practical technical solutions to address project needs and challenges. Maintain thorough technical documentation, including code and system details, to support knowledge sharing and onboarding. Investigate and resolve complex technical issues, conduct root cause analysis, and implement measures to prevent recurrence. Participate in project planning, offer technical input for estimates, and help keep development on schedule. Work closely with cross-functional teams to deliver reliable, high-quality software. Promote continuous improvement by identifying ways to enhance team processes and efficiency. Who thrives here This role suits engineers who enjoy a mix of hands-on development, technical problem solving, and collaboration across teams. Strong communication and documentation skills are important, as is a commitment to process improvement and knowledge sharing.

Are you an enthusiastic and skilled Senior .NET Developer seeking your next career opportunity? Join our team at European Dynamics, where you can work remotely from Athens, Crete, or Thessaloniki, and engage in exciting IT software projects for prestigious international public organizations.Your Responsibilities: Develop and maintain sophisticated web-based applications using .NET and .NET Core; Engage in all phases of the software development lifecycle, including design, implementation, testing, documentation, and maintenance of system components; Collaborate with a diverse team in a multinational setting, maintaining high standards of professionalism; Deliver high-quality software solutions. Essential Qualifications: Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field; Demonstrated analytical skills, team-oriented mindset, and a passion for learning and excelling; Deep understanding of Software Engineering principles; Extensive knowledge of .NET/.NET Core, web technologies, and database management; Proficiency in C# programming; Familiarity with JavaScript and TypeScript; Fluent in English, both spoken and written; Strong expertise in ASP.NET Core, MVC, unit testing, Entity Framework Core, MS SQL Server, REST Web Services, Visual Studio, Azure DevOps, and Git. Preferred Qualifications: Experience with .NET 5 or 6, Angular or React, Azure or Kendo UI, Office 365/SharePoint, MS Azure, SOA Architecture, Event Driven Architecture, or Microservices is highly valued; Relevant Microsoft Certifications are an advantage. Why Join Us?At European Dynamics, we value talent and dedication. Here’s what you can look forward to:Attractive full-time salary;Comprehensive private health coverage through the company’s group program;Flexible working hours;Access to cutting-edge tools;Opportunities for professional development, including language courses and specialized training;Career advancement with a team of innovative and experienced specialists;A dynamic work environment that offers challenging goals, autonomy, and mentorship, fostering both personal and organizational growth.If you are eager for an exciting challenge and want to work with advanced technologies, we invite you to submit your comprehensive CV in English, referencing: SND/02/26.Explore all our current job openings by visiting our careers page: www.eurodyn.com.

At Uni Systems, we're dedicated to transforming digital aspirations into reality. Our commitment to innovation drives our continuous growth, and we're on the lookout for a skilled .NET Engineer to become an integral part of our UniQue team.Your Role:Lead the software development lifecycle, taking on key responsibilities.Oversee customer implementations through detailed analysis, design, development, and deployment.Support system deployment and configuration efforts.Propose and implement effective technical solutions.Create and maintain thorough technical documentation, including system and code documentation, to facilitate knowledge sharing and onboarding.Diagnose and resolve complex technical challenges, providing root cause analysis and prevention strategies.Contribute to project planning sessions, offering technical insights for project estimations and ensuring timely development.Collaborate with cross-functional teams, including front-end developers, database administrators, and quality assurance engineers, to deliver top-notch software solutions.Foster a culture of continuous improvement within the development team, identifying opportunities for process enhancements and efficiency gains.

Join Novibet as a Senior .NET Software Developer!Are you ready to play a pivotal role in a vibrant and rapidly expanding company? If you possess a deep passion for software development and excel in a fast-paced setting, this could be the perfect opportunity for you.Who We AreEstablished in 2010, Novibet is a leading GameTech company with operations spanning Europe, the Americas, and various other regions including Greece, Brazil, Ireland, Finland, Mexico, Chile, Ecuador, Cyprus, and New Zealand. With offices in Greece, Malta, Brazil, and Mexico, we proudly employ over 1,200 professionals globally. Our commitment to staying ahead in technological advancements enables us to continuously push boundaries and provide seamless entertainment and online gaming experiences to our expanding customer base.Why Choose Novibet?At Novibet, you are encouraged to thrive, with a focus on growth through collaboration, learning, and adaptability. We are dedicated to creating a positive, inclusive workplace culture that empowers every individual to excel. Become a part of our dynamic team of over 1,200 people who value innovation, teamwork, and personal growth.Your ResponsibilitiesDeveloping high-quality web and API applications using C# and .NET CoreParticipating in the technical design of systems and exploring new tools and technologiesRefactoring, updating, and debugging existing codeImplementing security measures and ensuring data protectionIntegrating with third-party service APIsUnderstanding web protocols (HTTP) and RESTful APIs for consumption and creationMaintaining efficient MS SQL databasesEngaging in team code reviewsYour QualificationsA University or Postgraduate Degree in a relevant field5+ years of professional experience, preferably in FinTech or Payment SolutionsProficiency in C# .NET 6.0+, WebAPI, Entity Framework, and LINQA focus on efficiency, user experience, and process enhancementStrong time management capabilitiesAble to work both independently and collaborativelyFluency in English, both spoken and writtenDesired Technical SkillsExperience with Microservices architectureFamiliarity with message brokersUnderstanding of Domain Driven Design, CQRS, and clean architecture principlesKnowledge of reactive programming patternsAbility to write clean, maintainable, and fault-tolerant codeWhat We OfferWe highly value our team members at Novibet! In our dynamic and fast-paced environment, we encourage everyone to reach their full potential while enjoying a collaborative and supportive workplace.

Have you ever imagined being a .NET Developer (Senior-Lead) at Netcompany? Join our team and be part of a dynamic group dedicated to driving enterprise-level digital transformation.Your role extends beyond just coding; it’s about architecting scalable solutions, setting the technical direction, and delivering impactful results.In this position, you will engage with complex, mission-critical systems where performance, maintainability, and architectural integrity are paramount. As a senior member of the team, you will lead by example, mentor junior developers, and maintain high standards of technical excellence.Key Responsibilities:Oversee the design and development of scalable, secure, and high-performance enterprise applications.Convert complex business needs into robust, future-proof technical architectures.Produce clean, reusable, and well-documented code that adheres to best practices.Participate in and evaluate architectural decisions and technical design processes.Guide and mentor mid-level and junior developers.Conduct code reviews to uphold high coding standards.Collaborate with architects, product owners, and vital stakeholders.Engage actively in Agile/Scrum ceremonies, estimations, and planning sessions.Ensure quality delivery through testing strategies, CI/CD pipelines, and performance enhancements.

Join Our Innovative TeamAt Sportcast, a pioneer in sports betting engagement, we revolutionized player experiences with our cutting-edge technologies and pricing strategies. Our flagship product, BetBuilder, is an award-winning innovation that transforms the betting landscape, allowing players to delve into billions of unique combinations across sporting events. As part of OpenBet, we have united top developers, statisticians, and data scientists, all dedicated to shaping the future of sports betting. Our mission is to provide unprecedented access to betting opportunities, creating thrilling moments for players worldwide.We invite you to become a part of Sportcast's dynamic team at OpenBet, where your contributions will drive our growth from our European offices.Your Role as a .NET Software EngineerAs a member of the Trade team, you will collaborate with a diverse group of professionals to develop, deploy, and maintain innovative projects. You'll have the chance to write high-quality, testable code while participating in design and prioritization discussions. Our focus is on supporting business scalability while ensuring top-notch quality in our deliverables.Key ResponsibilitiesWrite high-quality, efficient code that meets business needs.Optimize our solutions to uphold service levels and reduce cloud costs.Automate processes wherever feasible.Challenge existing norms and enhance our organizational standards and procedures.

At Euronet, we are pioneers in payment solutions, influencing the future of global money movement as a leader in payment processing and cross-border transactions. Our innovative products, from mobile wallets to real-time payment platforms, drive digital transformation across more than 160 countries.We are seeking a C#/.NET Software Engineer to join our E-Commerce/Merchant Services team. If you are enthusiastic about developing scalable, high-performance applications and thrive in a collaborative, team-oriented environment, this role is for you. You will leverage Microsoft technologies to design, develop, and maintain software solutions that enhance our rapidly expanding E-Commerce ecosystem.Your Life @EuronetAs a proud #Euronetter, you will be part of a culture that values humanity, trust, respect, and collaboration. Your efforts will be acknowledged, and your professional growth will be nurtured through rewarding career development opportunities.Perks & Benefits That MatterAttractive compensation packageAnnual performance-based bonusComprehensive private health insuranceEmployee Stock Purchase PlanAccess to top-notch tools and equipmentFlexible hybrid working modelCareer advancement and annual performance reviewsEmployee referral bonuses, wellness programs, and community engagement activitiesOpportunity to work in a dynamic, stable, and international settingHow You'll Make an ImpactDesign, develop, and maintain high-quality software using Microsoft .NET C#.Create scalable, efficient, and high-performance software components.Collaborate with product managers, engineers, and cross-functional teams to convert business requirements into technical solutions.Analyze requirements and deliver solutions adhering to industry best practices.Utilize your knowledge of Microsoft SQL Server to create and manage relational databases, schemas, and stored procedures.Engage in code reviews to uphold high standards of quality, maintainability, and performance.Partner with project managers to ensure timely and on-scope delivery of software projects.

Working Model: Hybrid | Type: Full-timeAbout Accepted: We are a forward-thinking software and digital transformation company dedicated to empowering our clients across various sectors including Finance, Energy, Gaming, and Telecommunications. With over 20 years of expertise in engineering excellence, we pride ourselves on delivering innovative, outcome-driven solutions and building high-performing teams that integrate seamlessly with our clients.We invite you to join us as a Senior .NET Developer to enhance our hybrid delivery teams.Key ResponsibilitiesDeveloping high-quality web and API applications utilizing C# and .NET Core.Participating in the technical design of systems and exploring new tools and technologies.Integrating third-party APIs into our applications.Understanding and implementing RESTful APIs and the HTTP protocol.Managing efficient MS SQL databases.Engaging in team code reviews to ensure quality standards.

Join Novibet as a .NET Software Developer!Are you eager to embrace a pivotal position within a vibrant and rapidly expanding organization? If you possess a strong enthusiasm for Software Development and excel in a fast-paced setting, this may be the perfect opportunity for you.About UsEstablished in 2010, Novibet is a premier GameTech company making significant strides across Europe, the Americas, and other regions, including Greece, Brazil, Ireland, Finland, Mexico, Chile, Ecuador, Cyprus, and New Zealand. With operational hubs in Greece, Malta, Brazil, and Mexico and a workforce exceeding 1,200 employees globally, we pride ourselves on remaining at the cutting edge of technological innovation, consistently pushing boundaries to deliver seamless entertainment and online gaming experiences to our swiftly growing clientele.Why Choose Novibet?At Novibet, we empower our team members to excel, emphasizing growth through active listening and learning in a collaborative environment of innovative thinkers who are continually adapting to new challenges. Our commitment extends to cultivating a positive, inclusive, and supportive workplace culture where every individual can flourish.By joining us, you will become part of a diverse team of over 1,200 individuals worldwide, united in our values of collaboration, innovation, and personal development.Our proprietary platform is a dynamic ecosystem comprising over 150 microservices and applications, the majority of which are designed for high availability. Our technology stack includes .NET Core, SQL Server, RabbitMQ as a message broker, and Redis for caching, alongside the ELK stack for logging, Kafka for event streaming, and MongoDB.Your ResponsibilitiesDevelop high-quality web and API applications using C# and .NET CoreContribute to system technical design and evaluate new tools/technologiesRevise, update, refactor, and debug existing codeImplement security measures and data protection protocolsIntegrate with third-party service APIsDemonstrate familiarity with web technologies (HTTP protocol and RESTful APIs) for API consumption and developmentMaintain efficient MS SQL databasesParticipate in team code reviews.What You BringA Bachelor’s and/or Postgraduate Degree in a relevant fieldA minimum of 3 years of relevant professional experience, preferably in FinTech or Payment SolutionsA focus on efficiency, user experience, and continuous process enhancementOutstanding time management abilitiesThe capability to work autonomously as well as collaborativelyProficiency in English, both verbal and writtenTechnical Skills We DesireProficient in .NET C# (6.0+), WebAPI, Entity Framework, LINQExperience with Microservices architectureFamiliarity with message brokersUnderstanding of reactive programming patternsAbility to write clean, maintainable, and fault-tolerant code

Role Overview Volton is seeking a Junior Software Developer with a focus on .NET technologies to join the team in Athens, Attica, Greece. This role supports software development projects from coding and testing through to maintenance, with guidance from experienced engineers. What You Will Do Develop and test software applications using .NET technologies Maintain and improve existing codebases Collaborate with senior developers to solve technical challenges Share ideas for new features and improvements Continue building technical skills in a team setting

Join the dynamic team at FINARTIX as a passionate Backend Application Developer. Contribute to innovative projects across various sectors, playing a vital role in developing, implementing, and managing technology-driven business solutions that enhance our clients' delivery approaches. Key Responsibilities Engage in the complete software development lifecycle, including the implementation, testing, and maintenance of custom applications. Adhere to established standards for programming, security, and performance while ensuring thorough code documentation. Act as a technical consultant to clients, providing expert advice and support. Assist both business and IT users with existing applications to ensure optimal performance. QualificationsBachelor's or Master's degree in Computer Science, Engineering, or a related field is required.A minimum of 3 years of experience in Software Engineering.Strong proficiency in Backend Engineering with the .Net Framework.Hands-on experience with various database technologies, including SQL, NoSQL, and Vector.Familiarity with Web Services (SOAP/REST) and Application Servers (IIS).Understanding of system frameworks such as Git and Azure DevOps (ADO), as well as container technologies like Docker or Kubernetes.Previous experience in Infrastructure Architecture and support is a plus.Cloud Services certification (AWS, Azure, GCP) is an added advantage.Exceptional programming skills and a creative approach to problem-solving.Excellent communication and time management skills.Proficient in both English and Greek, with strong written and verbal capabilities.BenefitsProfessional development through engaging, real-world projects across diverse industries.Work within a rapidly-growing technology company with esteemed partners.Opportunity to collaborate with talented colleagues in a diverse environment.Competitive salary package.Comprehensive private health insurance.Access to training and development opportunities.Company laptop provided.Flexible work environment.

As a Software Developer specializing in .Net technologies, you will be an integral part of our engineering team, dedicated to creating resilient, scalable, and mission-critical software solutions for toll collection and transportation management systems. We are looking for a passionate individual who possesses substantial experience in backend and/or embedded software development, a solid grasp of toll domain concepts, and a drive to tackle complex real-world challenges with clean, efficient code.You will collaborate closely with project managers, team leaders, software developers, systems support professionals, and other key stakeholders to ensure the timely and smooth delivery of our technology solutions. This is a full-time role aimed at fostering long-term employment, where you will help deliver and support cutting-edge systems.Key Responsibilities:Write clean, maintainable code that enhances team productivity.Develop a comprehensive understanding of the Toll Collection System.Efficiently implement solutions for resolving bugs or issues in existing product code.Engage in the design, development, and delivery of new software products or functionalities, focusing particularly on the Toll Collection System.Participate in the refinement of project vision and objectives.Review existing and updated code to identify and document 'technical debt' for future refactoring.Support project managers and team leaders in scope verification, effort estimation, and planning for product deployments and new implementations.Contribute insights and assessments on software-related subjects during management meetings.Organize and lead internal team meetings to facilitate day-to-day operations.Commit to maintaining compliance with software principles and quality standards.Facilitate knowledge-sharing sessions to enhance the team's skills.

Curious about the experience of being a .NET Developer (Mid-Senior) at Netcompany? Join our high-performing engineering team to deliver enterprise-level digital solutions.In this pivotal role, you will design and develop scalable applications while collaborating closely with senior engineers, architects, and product stakeholders. This position is perfect for developers who possess robust backend development experience and aspire to deepen their technical skills while making significant contributions to large-scale systems.Your work will focus on complex enterprise platforms where quality, maintainability, and performance are paramount. You will take ownership of technical tasks, engage in architectural discussions, and uphold high engineering standards across the team.As a .NET Developer (Mid-Senior), your responsibilities will include:Crafting, developing, and maintaining scalable and secure enterprise applications utilizing .NET / C#.Implementing and maintaining RESTful APIs, ensuring optimal performance, reliability, and security.Translating business requirements into well-structured and maintainable technical solutions.Writing clean, testable, and reusable code that adheres to best practices and coding standards.Engaging in architectural discussions and technical design reviews.Collaborating with senior developers and architects on system design and enhancements.Conducting code reviews and contributing to the improvement of team coding standards.Working closely with product owners, QA engineers, and other stakeholders.Participating in Agile/Scrum ceremonies, sprint planning, and estimations.Contributing to testing strategies, CI/CD processes, and application performance enhancements.

Mellon Technologies, the flagship entity of the Mellon Group of Companies, has been a leader in technology solutions since its inception in 1994 in Athens. Our comprehensive suite of services includes specialized technology solutions, contact center operations, and business process outsourcing designed to meet the growing demands of financial institutions and organizations with robust consumer transaction activities, including Retail Banks, Public Utilities, Telecommunications Providers, and large Private Companies.We are currently on the lookout for a highly talented Senior .NET Developer with a passion for architecture and team leadership.Position Overview: The successful candidate will possess exceptional hands-on development skills paired with advanced expertise in analysis, solution design, and technical leadership. You will be instrumental in steering the development team towards delivering high-quality solutions while ensuring effective communication with stakeholders and clients.Key Responsibilities:Architect and develop robust backend solutions leveraging C# and .NET technologies.Perform system analysis, recommend architectural enhancements, and advocate for best practices.Engage collaboratively with product owners, business analysts, and clients to gather requirements and translate them into technical deliverables.Mentor junior developers, conduct code reviews, and uphold software development standards.Participate actively in planning, estimation, and technical decision-making processes.Optimize system performance, scalability, and reliability through thoughtful design and implementation.Qualifications:5+ years of hands-on experience in backend development utilizing Microsoft technologies (C#, .NET / .NET Core).Thorough understanding of software architecture, design patterns, and clean coding principles.Proficiency in RESTful APIs, Entity Framework, and SQL databases.Ability to dissect complex requirements and convert them into actionable technical specifications.Exceptional communication skills with an aptitude for interacting with clients and internal stakeholders.Demonstrated experience in leading or mentoring development teams.Preferred Qualifications:Full-stack experience with Razor, Blazor, or other Microsoft web technologies.Familiarity with cloud platforms (Azure preferred).Knowledge of DevOps practices and CI/CD pipelines.Experience with frontend frameworks (e.g., JavaScript, TypeScript) is a plus.Soft Skills:Strong problem-solving mindset and a sense of ownership.Ability to work autonomously and collaboratively within a team.Proactive attitude and meticulous attention to detail.

Join agileactors as a Senior Software Engineer in Test, where you will play a pivotal role in ensuring the quality of our software products. You will leverage your expertise in testing methodologies and software development to design and implement automated tests, contributing to our commitment to excellence and innovation.

Role overview Speechify seeks a Senior Software Engineer to strengthen the core user experiences in its products. The position involves shaping the way people interact with Speechify’s tools by designing, building, and maintaining software that sits at the heart of the user journey. Key responsibilities Collaborate with teams from different functions to define and refine product features Create and maintain software aimed at improving the overall user experience Use advanced engineering expertise to guide projects from initial concept through to launch Ensure each deliverable meets a high standard of quality Location This role is based in Athens, Greece.