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Qualifications
We are seeking candidates with the following qualifications:Proficient in Java and related frameworks (Spring, Hibernate)Experience with front-end technologies (HTML, CSS, JavaScript)Familiarity with database management (SQL, NoSQL)Understanding of RESTful APIs and microservices architectureStrong problem-solving skills and a team-oriented mindsetExcellent communication skills in English; knowledge of French or Dutch is a plus
About the job
Sword Technologies is looking for a Java Full Stack Developer to join the team in Brussels. The position centers on building and maintaining applications that span both front-end and back-end layers. Teamwork and communication play a key role from the initial design phase through to delivery.
Responsibilities
Develop and support applications using Java and related technologies
Contribute to both server-side and client-side development tasks
Work closely with other developers and team members to deliver dependable software
Location
This role is based in Brussels, Belgium.
About Sword Technologies
Sword Technologies is a leading technology firm specializing in delivering cutting-edge solutions to our clients. With a commitment to innovation and excellence, we foster a collaborative work environment that encourages professional growth and development. Join us and be part of a team that values creativity and teamwork!
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About Keyrock Keyrock, founded in 2017, has become a recognized name in the digital asset sector. The company is known for innovative partnerships and solutions that support a broad range of trading and liquidity services. With a team of over 250 people representing 42 nationalities, Keyrock operates primarily remotely, maintaining hubs in Brussels, London, and Singapore. Regular online and in-person gatherings help keep the team connected. Keyrock enables trading on more than 80 venues and works with various asset issuers. The company’s expertise covers market making, options trading, high-frequency trading, OTC, and DeFi trading desks. Keyrock is an early adopter of Rust for algorithmic trading and promotes its use across the industry. Through its Accelerator Program, the company supports Web3 startups and provides liquidity to DeFi, RWA, and NFT protocols. Ongoing research and governance initiatives further Keyrock’s commitment to industry advancement. Role Overview: Delivery Manager for Core Technology Platform The Delivery Manager will oversee the delivery of Keyrock’s core technology services. This position acts as a bridge between the centralized Infrastructure and Data teams and the client-facing groups they support. Working closely with the Head of Product and Head of Engineering, the Delivery Manager aligns platform product roadmaps with the needs of external-facing teams. The role emphasizes a culture of excellence by applying DORA metrics and structured incident management, ensuring foundational services remain scalable, compliant, and reliable. Leadership in this role means turning complex dependencies into clear, actionable plans that support both long-term platform stability and immediate business needs. Location Requirement Candidates must be based within the Central European Time (CET) zone, or within two hours of CET.
We are excited to announce an opening for a Senior Java Application Architect fluent in English, to contribute as a key expert from anywhere within the EU. The selected candidate will join our Development team and engage closely with a prominent client’s IT team on-site.Key Responsibilities:Architect and design sophisticated information systems.Develop architectural components and essential building blocks.Create comprehensive software architecture documentation.Design application data models and workflow models.Develop APIs using appropriate frameworks such as REST and Swagger.Build software components utilizing back-end technologies like Java Spring and JPA.Implement application integration with corporate IAM services for authentication and authorization.Ensure timely delivery via CI/CD pipelines.
About KeyrockSince our inception in 2017, Keyrock has emerged as a transformative force in the digital asset landscape, celebrated for our innovative partnerships and forward-thinking solutions.Today, we proudly count over 180 talented individuals from 42 different nationalities among our ranks. With a diverse range of experiences—from DeFi experts to PhD holders—our predominantly remote team operates from hubs in London, Brussels, Singapore, and Paris, fostering a collaborative environment through regular online and offline gatherings.We are active on more than 80 exchanges, partnering with a broad spectrum of asset issuers. As a recognized market maker, our unique expertise has catalyzed rapid expansion into various services, including market making, options trading, high-frequency trading, OTC, and DeFi trading desks.At Keyrock, we are more than just a service provider; we are innovators. We are pioneers in utilizing the Rust Development language for our algorithmic trading and advocate for its adoption across the industry. Through our Accelerator Program, we empower Web3 startups, enhance ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols, and drive industry advancement through our research and governance initiatives.Join us at Keyrock, where we are not merely imagining the future of digital assets—we are actively constructing it.The RoleAs the Head of Security Engineering, you will lead the technical strategy and implementation of Keyrock’s security engineering initiatives—establishing secure-by-design cloud foundations, developer-friendly processes, and robust cryptographic/key-management controls essential for a high-availability trading environment.This position demands a hands-on leader with extensive knowledge of AWS and AWS Key Management Service (KMS), encompassing key policies, grants, cross-account patterns, and key rotation practices.Your ResponsibilitiesSecurity Engineering LeadershipLead and expand a high-performing security engineering team focused on cloud, platform, and application security, while establishing a clear roadmap, standards, and measurable outcomes.Create engineering patterns that harmonize speed and control (secure defaults, automation-first, self-service guardrails).AWS Cloud Security ArchitectureTake ownership of the cloud security architecture for AWS, developing landing zone patterns, multi-account strategies, network segmentation, identity and access design, logging/telemetry baselines, and infrastructure hardening.Implement preventive measures and controls...
About KeyrockFounded in 2017, Keyrock has emerged as a prominent innovator in the digital asset landscape, known for its strategic partnerships and groundbreaking initiatives.Today, we boast a vibrant team of over 250 individuals from 42 different nationalities, ranging from DeFi experts to PhDs. While we primarily operate remotely, our key hubs are located in London, Madrid, Brussels, Singapore, New York, and Paris, where we frequently organize online and offline gatherings to maintain strong team cohesion.Keyrock is actively trading on more than 80 exchanges and collaborating with a diverse range of asset issuers. As a well-established market maker, our unique expertise has fostered rapid growth. Our services now encompass market making, options trading, high-frequency trading, OTC, and DeFi trading desks, along with asset and wealth management. We are on a mission to evolve into a comprehensive capital markets and asset & wealth management institution through both organic innovation and strategic growth.However, we are more than just a service provider; we are innovators. We were among the first to adopt the Rust Development language for our algorithmic trading infrastructures, advocating its application across the industry. By enhancing Web3 ecosystems with liquidity for promising DeFi, RWA, and NFT protocols, we contribute to the industry's advancement through our research and governance efforts.At Keyrock, we are not merely imagining the future of digital assets; we are actively forging it.The MissionWe are in search of a Product Manager to spearhead our Platform’s Back Office team, which is essential in ensuring the scalability, transparency, and reliability of our global trading operations.In this pivotal role, you will be the architect of operational efficiency. Rather than just managing a backlog, you will thrive on transforming operational complexity into streamlined and automated workflows. You will operate at the crucial intersection of Trade Operations, Finance, and Risk, acting as the primary liaison between intricate business requirements and high-performance engineering. Coordination with other teams, such as risk management data layers and compliance initiatives, will also be part of your responsibilities.Much like an experienced cartographer, you will visualize and clarify previously “invisible” processes, pinpoint areas of inefficiency, and establish the “sources of truth” (including documentation, inventories, and settlement logics) that will empower Keyrock to grow in a regulated, multi-asset environment.
