What we do

At Blankfactor, we are dedicated to engineering impact. We are passionate about creating value by building best-in-class tech solutions for companies looking to transform, innovate, and scale. In every project, we aim to deliver work that moves the needle and drives measurable outcomes for our partners and clients. Our full-stack development, data engineering, digital product, and enterprise AI solutions cater to a range of industries, including payments, banking, capital markets, and life sciences.

We are headquartered in Miami, Florida, have offices in Bulgaria, Colombia and Romania, and are rapidly expanding our global footprint. Our culture of engineering excellence, technical expertise, and care for both our clients and our talented workforce has made us one of the fastest-growing companies in America.

We only hire the best and brightest. If you have talent and ambition, join us and be part of an environment that fosters innovation, collaboration, and growth. Welcome to Blankfactor!

What to expect on this role

As a Senior .NET Engineer, you'll play a key role in the creation, development, and upkeep of cutting-edge software solutions within the .NET framework. Your journey involves partnering with cross-functional teams to grasp business needs, design scalable solutions, and execute resilient and efficient code.

• Design and develop robust, scalable, and secure applications using C#

• Leverage existing cloud-based technology to build and deploy applications that meet the needs of the card issuing market

• Collaborate with Product Managers, UX/UI Designers, Solutions Architects, and other Engineers to define requirements, create software architecture, and deliver high-quality solutions

• Stay abreast of emerging trends and technologies in cloud computing and issuer processing to drive continuous innovation and improvement

• Participate in code reviews, contributing to the maintenance of high coding standards and improving the overall quality of the codebase

• Architect scalable, reliable, and secure solutions for optimal performance

• Collaborate with QA engineers for thorough testing and quality assurance

• Investigate and resolve software defects promptly

• Provide technical guidance and support to stakeholders

• Actively contribute to agile methodologies, including planning and delivery

Qualifications and Tech Proficiency

• Bachelor's degree in Computer Science, Engineering, or related field

• Extensive .NET engineering experience (C# and ASP.NET)

• Strong grasp of REST APIs, OOP principles and design patterns

• Solid database understanding, MS SQL Server, MySQL, Postgres and ORM frameworks (e.g., Entity Framework, Dapper, etc.)

• Queuing\Streaming: RabbitMQ, Kafka

• Microservice Architecture, Containerisation, Event Driven Systems

• Cloud Services: API Gateway, k8s, Serverless (Preferably AWS)

• Unit Testing Using: xUnit, NUnit

• Logging\Observability: Serilog, Coralogix, ELK

• Jenkins\Bitbucket Pipeline, Octopus, Sonar Cloud

• Desirable: Familiarity with AWS cloud platforms

• Knowledge of development best practices, versioning, testing, CI/CD pipelines

• Excellent problem-solving and analytical skills

• Strong communication and collaboration in cross-functional teams

• Proven track record of delivering high-quality software within timelines

• Prior experience with payment systems, transaction processing, and financial software development, encryption, and cryptography would be advantageous

What you can expect as a member of the Blankfactor team

• Competitive salary aligning with industry benchmarks

• Up to 25 days paid vacation based on seniority level

• Premium private health insurance coverage

• Multisport card subscription

• $500 dedicated self development budget

• 20 BGN lunch budget when working from the office

• Fresh fruits and snacks in the office

• Friendly office atmosphere

• Diverse client portfolio

• Cutting-edge high-tech stack

• Fintech Expertise: expertise in machine learning, data science, big data, and AI, driving innovation and cutting-edge solutions

• Continuous Learning culture and support

• Monthly on-site gatherings

• Annual festivities including team-building activities, family BBQs, and end-of-year celebrations

We believe that diversity of experience and background contributes to more robust ideas and a stronger team. All qualified applicants will receive consideration for employment without regard to religion, race, sex, sexual orientation, gender identity, national origin, or disability.