Freelance Blockchain Solution Architect Jobs (NOW HIRING)

ABOUT US
We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy.
We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can trust, completely. We're always striving to be better and are constantly evolving in an ever-changing landscape, without undermining that trust. Five decades on, our vibrant community reflects the complexity and diversity of the financial ecosystem. We innovate diligently, test exhaustively, then implement fast. In a connected and exciting era, our mission has never been more relevant. Swift now has a presence in 200+ countries and legal territories to serve a community of more than 12,000 banks and financial institutions.
Job Summary
We are seeking an innovative and skilled Blockchain Developer to join our team at SWIFT. In this role, you will be instrumental in designing, developing, and implementing secure and scalable blockchain solutions to enhance our global financial messaging network.
Job Responsibilities
* Design and develop, test, and deploy distributed ledger technology (DLT) applications and smart contracts.
* Build and maintain blockchain infrastructure and backend services.
* Implement and integrate blockchain protocols, including but not limited to Ethereum, Hyperledger Besu, Corda, Cosmos, Canton.
* Design and implement identity and access management (PKI, certificates, roles, and permissions).
* Integrate blockchain solutions with existing enterprise systems (APIs, databases, etc.).
* Ensure data privacy, confidentiality, and compliance with regulatory requirements.
* Participate in network governance design (consensus, membership, endorsement policies)
* Develop, test, debug and maintain robust, secure, and performant blockchain applications.
* Stay abreast of the latest advancements in blockchain technology, cryptography, and distributed systems.
* Participate in code reviews, technical discussions, and contribute to the overall architectural direction of blockchain initiatives.
* Collaborate with product, DevOps, and security teams.
* Document technical designs, development processes, and operational procedures.
Job Qualifications
* Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
* Proven experience (3+ years) as a Blockchain Developer or in a similar role focusing on DLT.
* Strong proficiency in at least one blockchain development platform (e.g., Solidity for Ethereum, Go for Hyperledger Fabric, Kotlin/Java for Corda/Besu).
* Solid understanding of cryptographic principles, consensus mechanisms (PoW, PoS, BFT), and distributed systems.
* Experience with front-end and back-end development languages (e.g., JavaScript/TypeScript, Python, Go, Java, C++).
* Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes).
* Familiarity with REST APIs, gRPC, and microservices.
* Experience with version control systems (e.g., Git), CI/CD pipeline deployments.
* Excellent problem-solving skills and a strong attention to detail.
* Ability to work independently and collaboratively in a fast-paced environment.
* Strong communication and interpersonal skills.
The estimated salary range for a new hire into this position in Manassas is $101,300 to $188,135 Annual USD. Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. Our compensation packages include a competitive base salary and bonus opportunity for all employees contingent on personal and company performance. Our generous benefits program includes medical, dental, vision and life insurance with no premium costs for our employees and their families, and retirement plan plus matching 401k
What we offer
We give you the freedom to be yourself. We are creating an environment of unique individuals - like you - with different perspectives on the financial industry and the world. A diverse and inclusive environment in which everyone's voice counts and where you can reach your full potential.
We are committed to an inclusive and accessible recruitment process. If you require a reasonable accommodation related to accessibility during your application or interview, please contact accessibility-Sysgroup@swift.com or indicate this in your application.
Please note that this mailbox is not monitored for general recruitment enquiries and should only be used for accessibility or accommodation-related requests (for example related to vision, hearing or neurodiversity).
All requests are confidential and will not affect your candidacy.
Don't meet every single requirement? At Swift, we are dedicated to building a workplace where people can bring their full selves and ideas to the team, so if you are excited about this role, we encourage you to apply even if you do not meet every single qualification.