Backend jobs in crypto and blockchain companies

Company DescriptionCeffu is an institutional custody platform on a mission to propel the adoption and active participation of institutional investors in the digital asset ecosystem. With world-class security and liquidity solutions, Ceffu provides a unique gateway to the world’s deepest liquidity as the only institutional crypto custody partner of the Binance Exchange, positioning itself as one of the leading global institutional custody technology providers. Visit www.ceffu.com for more information.Job DescriptionWork closely with team members (developers, product manager, customer support and partners) to develop, test and deliver high quality productsCreate detailed, comprehensive and well-structured test plans and test casesPrevent, report, analyze and track issues in an effective and efficient mannerRoot cause analysis of existing script failures or product issues, propose and drive enhancement for minimizing project issues or risksDesign, develop and execute automation scripts or implement quality tools to continuously increase efficiencyQualifications3 years experience in software testing methodologies, both manual and automatedPrior working experience for banks, payment systems or fund security testing is a big plus Experience in writing clear and comprehensive test plans and test casesExperience testing backend services such as APIs, distributed servicesFamiliar with AWS and database operationFamiliar with test environment construction with CICDGood programming ability, master at least one of Java, Python and other programming languagesStrong analytical and trouble-shooting skillsExperience working in an Agile/Scrum development process Good interpersonal, consultative and communication skillsSelf-managed, proactive work style and good commitmentAdditional InformationAll your information will be kept confidential according to EEO guidelines.

ABOUT US HyperionDev is one of the largest providers of accelerated tech education in EMEA and one of the oldest providers of 'coding bootcamps' in the world. We work with top universities such as Imperial College London, The London School of Economics, The University of Edinburgh, and Stellenbosch University to deliver structured technical courses and bootcamps that accelerate people into fulfilling tech careers. We have been recognised as one of the top education technology scaleups in the world and gained the financial backing of Meta (previously Facebook) which recognised us as  the most socially impactful startup operating in Africa, where we initially started our work. We are dedicated to closing the global tech skills gap and we achieve this by integrating tech education with human mentorship and expert code review powered by a workforce in Southern Africa, which lowers the cost of an accessible education in technology. This model has been successful, allowing us to reach millions of learners a year from over 60 countries. We have also partnered with government bodies such as the UK's Department for Education who provide scholarships for students to study on our bootcamps and gain employment at companies such as AstraZeneca and the United Kingdom's National Health Service (NHS). We're backed by nearly 2000 investors, having raised the largest crowdfunding round of funding for an edtech company in history. As a primarily bootstrapped, profitable, and scale up tech business join us as we play our part in making the world a more stable, safer, and fair place.   ABOUT THE ROLE  As the Senior AWS Support Engineer, you will lead the design, implementation, and management of scalable and secure AWS  solutions. The role involves deploying cloud-based systems, optimising performance, and ensuring reliability while adhering to best practices and security standards. You will manage infrastructure as code, automate processes, and maintain high availability of services. Collaborating with cross-functional teams, you'll design and implement solutions meeting business requirements. RESPONSIBILITIES: Design, deploy, and maintain the AWS infrastructure to support the organisation's applications and services.  Implement and manage security measures to protect the AWS environment.  Monitor system performance and troubleshoot issues to ensure optimal performance and availability.  Create and maintain documentation related to AWS infrastructure architecture, processes, and procedures.  Participate in capacity planning and scalability efforts to meet business demands.  Collaborate with development teams to optimise application performance on the AWS platform. Stay up-to-date with industry trends and best practices in AWS infrastructure and cloud technologies. Support the wider organisation in installing, configuring and maintaining our business tools like Nutshell, MessageBird, Zendesk  Develop and maintain backend systems and APIs to support our applications. Write and review code, ensuring high standards in coding and programming practices. Integrate infrastructure solutions with backend services for seamless operations. KNOWLEDGE AND SKILLS:  In-depth knowledge of AWS services and infrastructure architecture.  Proficiency in scripting languages and infrastructure-as-code tools.  Strong understanding of network concepts and protocols.  Good understanding of  CI/CD pipelines and related tools.  Knowledge of GitHub or other similar code repositories is an advantage Experience with security measures and best practices in AWS.  Ability to work independently and collaboratively in a team environment.  Excellent problem-solving, debugging and troubleshooting skills.  Strong attention to detail and organisational abilities. Proficient in coding and backend development, with experience in languages like Python, Java, or Node.js. Experience in Identity and Access Management concepts and technologies to secure production and corporate access, such as: AAA frameworks, SSO, and security best practices related to identity. Experience configuring and troubleshooting federated identity solutions, including knowledge of concepts such as SAML, OIDC, RBAC, ABAC. Understanding of cryptography concepts (encryption types, modes of encryption, algorithms), underlying architecture that enables secure communication between users and servers (Digital certificates, Public Key Infrastructure). REQUIREMENTS Minimum Minimum of 2 years of experience in AWS Secops or a similar role. Strong knowledge of AWS services, including EC2, S3, RDS, VPC, EBS, CloudWatch, CloudTrail & AWS Backup and IAM.  Proficient in scripting languages such as Python, PowerShell, or Bash.  Experience with infrastructure-as-code tools like CloudFormation or Terraform.  Understanding of networking concepts and protocols.  Familiarity with security monitoring and reporting technologies, including secure-cloud configuration tools (i.e. CloudTrail, AWS Config, etc.) and monitoring/reporting tools (GuardDuty, Security Hub, etc.). Ability to troubleshoot and resolve infrastructure-related issues.  Excellent communication and collaboration skills.  Strong problem-solving and analytical abilities. Preferred  A Bachelor's degree in Computer Science, Information Technology, or a related field is preferred but not essential.  AWS certifications, such as AWS Certified Solutions Architect or AWS Certified DevOps Engineer.  Strong in Ubuntu or other Linux technologies Experience with containerization technologies like Docker and Kubernetes.  Knowledge of other cloud platforms, such as Azure or Google Cloud Knowledge of security and compliance standards (such as Common Vulnerabilities and Exposures (CVE) or Center for Internet Security (CIS) Benchmarks), Hardware Security Modules (HSM), safeguarding sensitive data and implementing security best practices. One or more security-related certifications, such as AWS Certified Security - Specialty, CISSP, CEH, CISA, CISM, Security+, OSCP, etc..   WORKING CONDITIONS Due to the seniority of this role, work outside of standard hours and times may be required. BENEFITS Hybrid work: We are a hybrid work organisation offering flexibility on your schedule. Remote working options are available for candidates not in proximity of a HyperionDev Campus Learn new tech skills: We offer our employees the opportunity to enrol part-time in our Coding Bootcamps. Join the heart of tech in Africa, Europe and the US: You'll work with the best of the best and rub shoulders with the world leaders in edtech, developer education, and developer assessments. Join one of the most ambitious and highest performing tech companies in the space, with a management team that draws their former experience from top tech companies. Life-changing work: Solve real problems that make education and tech careers accessible to those who need it most: you're allowed to brag about it.   OUR VALUES We're a people-forward company with a purpose that underlines everything we do. We're obsessed with the potential in people and challenge them to do their best work. We embrace a culture of growth and learning to deliver on our vision and ours is a relentless quest for improvement.

TRM is on a mission to build a safer financial system for billions of people. We deliver a blockchain intelligence data platform to financial institutions, crypto companies, and governments to fight cryptocurrency fraud and financial crime. We consider our business — and our profit — as a way to move towards our mission sustainably and at scale. Our ability to identify, hire, and retain exceptional talent is foundational to our mission. The Talent team at TRM is made up of seasoned professionals who have experience hiring world-class Engineering, Data Science, GTM, and People teams for the most notable startups in Silicon Valley. As a Technical Recruiter, you will help drive the R&D Org's ability to attract, engage, and hire top talent at TRM. Your success will be measured by the velocity and quality of TRM's talent acquisition. The impact you’ll have here: Build a high-velocity recruiting engine that efficiently identifies and recruits the best technical talent to TRM. Manage the full recruiting lifecycle across a variety of technical roles and teams. Create positive candidate experiences throughout every touchpoint. Develop creative and impactful sourcing strategies that will help us find and hire a diverse and exceptional team. Continuously improve our recruiting processes and increase the efficiency of our hiring. What we’re looking for: 3+ years of technical recruiting experience in high-growth US-headquartered tech startups Proven experience in hiring hard-to-fill technical tools, with expertise in using sourcing tools, conducting market research, and developing personalized outreach strategies. Ability to analyze and interpret recruiting metrics, conversion rates, and market data, using these insights to refine strategies and provide actionable feedback to hiring managers. Quickly familiarize oneself with new roles and requirements, showcasing flexibility, curiosity, and a high tolerance for change in a fast-paced, high-growth environment. Exceptional communication skills to work effectively with hiring managers, provide regular updates, and manage expectations. Skilled at building trust and acting as a strategic partner in the hiring process. Strong persistence and a results-oriented mindset to handle challenges, follow up on passive leads, and meet ambitious outreach targets. Bonus if you’ve sourced for the following teams: Data Science, Backend, Frontend, Full-Stack, Infrastructure, Security. About the Team: Our talent team is fully remote, embracing async communication and collaboration through Slack channels, thorough documentation, and proactive updates to keep work moving forward smoothly across time zones. We’re committed to structured alignment, holding weekly hiring syncs for each role, weekly team sourcing syncs, and bi-weekly team meetings to ensure everyone is on the same page and to solve challenges collectively. Driven by a dedication to our craft, we continuously refine our best practices and data quality to deliver an exceptional experience for both internal stakeholders and candidates, supported by precise, reliable reporting. As a globally distributed team, we operate across various time zones, yet most of us overlap for collaboration and meetings between 7am-12pm PST, bringing flexibility and resilience to our work routines. All team members, regardless of location, maintain at least a 4-hour overlap with PST business hours to enable real-time collaboration and drive solutions effectively across the team. Learn about TRM Speed in this position: Within 72 hours of receiving a position, you schedule the intake meeting, open the position in the ATS, post the description, design the interview process, configure the interview plan.  Within week of opening a position, you have conducted 5-10 Recruiter Screens and have conducted the first sync with the Hiring Team for calibration. Two weeks after the initial interviews, you analyze the data to identify what is and isn’t driving pass rates and conversions. You share your insights and recommendations with the hiring team to refine and optimize the search, and you continue to monitor and adjust the approach until the position is filled.   Life at TRM Labs Leadership Principles Our Leadership Principles are foundational element of our strategy, guiding how we make decisions, how we treat each other, and how we behave day-to-day. Impact-Oriented Trailblazer: We put customers first, driving for speed, focus, and adaptability. Master Craftsperson: We prioritize speed, high standards, and distributed ownership. Inspiring Colleague: We value humility, candor, and a one-team mindset. Build a Career  Joining TRM means being part of a mission-driven team comprised of industry leaders. At TRM, you'll experience: Purpose and Mission: Have a real-world impact, from disrupting terrorist networks to returning stolen funds. Inspiring Colleagues: Collaborate with industry leaders and learn something new daily. Personal Growth: We're not just using technology; we're inventing it and taking category-defining products to market. Work Environment Remote First: Our HQ is online. Tools like Zoom and Slack ensure seamless collaboration, but we also value in-person interactions, organizing regular meetups and offsites for team bonding. Clear communication is key in our decentralized setup. With tools like Slack, Loom, and voice notes, we document meetings and decisions, promoting transparency and efficiency. Ownership & TRM Speed: Small teams drive big goals at TRM. Every team member has significant ownership and responsibility, fostering an environment of initiative and direct impact. While there's no strict clocking in or out, we expect team members to balance personal schedules and team needs. We move “surprisingly fast” while maintaining a high bar in service of our customers and mission. This can feel both intense and rewarding. Our unique approach to projects emphasizes quick wins, rapid iterations, and constant feedback. Diversity and Inclusion: Diversity at TRM encompasses backgrounds, experiences, and perspectives. Every day is an opportunity to learn from a colleague, whether they're a law enforcement expert or a tech pioneer. Annual Company Offsite: Once a year, TRMers come together from around the world to attend a 1-week mandatory company offsite. This is designed to foster in-person relationships, creativity, and strategic alignment. Employee attendance is required of all TRMers.   Join Us We're looking for team members who love building from the ground up and want to work hard in a fast-paced and ambitious environment. We are remote-first, with exceptionally talented team members located around the world. If you like solving tough problems quickly and seeing your work improve the lives of billions of people, we want you at TRM. We encourage you to reach out even if your experience doesn't precisely match the job description. Don't worry about picking exactly the right job; we can always explore other options after starting the conversation. Your passion and interests will set you apart, especially if your background or career is unconventional.   To all recruitment agencies: TRM Labs does not accept unsolicited agency resumes. Please do not forward resumes to TRM Labs employees. TRM Labs is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.

Tether, the founder of the first, largest, and most widely used stablecoin USD₮, is rapidly expanding into a wide range of sectors, including secure and unstoppable communication technologies, energy production, mining, and further fintech infrastructure. All of these themes share and are deeply rooted in the principles of Bitcoin, which include decentralization, resilience, openness, freedom, security, and scalability. Tether stablecoins are used to power a wide variety of enterprises, including exchanges, wallets, payment processors, and financial services, by facilitating the use of reserve-backed tokens across blockchain networks. Tether stablecoins offer a global, secure, and instant means of storing, transmitting, and receiving digital tokens at a fraction of the cost of alternative traditional financial solutions. Unwavering transparency is of paramount importance and central to Tether's foundational principles. Our dynamic team operates entirely remotely, uniting talent from every corner of the globe. Our journey has been marked by rapid growth and efficient operations, firmly establishing us as pioneers within the industry. If you possess a passion for venturing into uncharted territory and believe in your ability to conquer even the most formidable challenges, we eagerly invite you to engage with us. Join our mission, and together, let's lay the groundwork for a decentralized future that reshapes industries far beyond the realm of stablecoins. As a Senior Backend Developer, you will be a part of the team that works on the development of Tether backend components New Products and Features - Tether continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry. Scalability - all backend services that power Tether must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. Security - Security is the most important feature. The Backend Development team is responsible for building all the services and core processes with the highest security principles and standard, in order to protect the safety of the entire user base.Exceptional Node/JavaScript skillsFamiliar with microservices architectureHave actively participated in the development of a complex platformFamiliar with Peer-to-Peer technologiesGood experience in interacting with databases (MySQL, MongoDB)Ability to quickly learn new technologiesGood understanding of security practices Nice to have Experience with blockchain integrationComfortable with high-availability conceptsRuby, Rust or C++ skills are a plusOther technologies of interest: Message queues (Redis), Caches and Job Queues

Our Solutions Consultant will work closely with our Sales Managers & Account Managers to execute on the account strategy of our Enterprise customers to help us give them the best experience, minimise churn, meet our revenue goals and upsell targets. You’ll create customised presentations, demos, proof of concepts, trials, respond to bids, and lead onboarding journeys. You’ll play a pivotal role in helping us articulate our value, find gaps our competitors cannot service, and be the customer’s champion by working with internal cross-functional stakeholders. Ideally, you’ll be a strong technical generalist, able to think strategically about the business needs of Elliptic’s customers and build effective relationships internally & externally, You’ll make a big impact by identifying opportunities for Elliptic to solve complex business challenges and drive growth. Key Responsibilities Acting as a product and use case expert - applying a deep understanding of the challenges Elliptic’s customers face in identifying, preventing and investigating criminal activity in digital assets to map Elliptic’s solutions to those challenges Driving the discovery process, helping to uncover customers’ current pains and needs and partner with Account Execs to shape an offering that meets their needs and exceeds their expectations Partnering with Account Executives to drive complex, multi-stakeholder deal cycles across different customer segments to solve diverse mission-critical business problems Working with the Research team to translate analytical data and findings to sales friendly talk tracks to be used by marketing and sales Working with our Global Policy Group to identify relevant local regulatory requirements for our target prospects Analysing and understanding thematic prospect and customer feedback to partner with the product and engineering teams to provide a feedback loop on new product development opportunities Creating and sharing best practices for product demos with the wider commercial teams Creatively identifying and solving integration challenges Designing and executing implementation plans for Enterprise customers based on their individual and specific compliance and technical objectives Maintaining an understanding of our API documentation and capabilities to resolve customer queries and to manage prospect conversations. Skills, Knowledge and Expertise Relevant professional experience in the B2B SaaS space or a complex technical market Experience working with/demoing complex technical products. Bonus points for: Experience working with compliance solutions or possess relevant knowledge/certification in compliance Experience working with and/or a demonstrable interest in crypto & blockchain Demonstrated knowledge of API and backend systems design Having worked in a startup and/or scaleup environment. Benefits Competitive salary Share Options Holiday - 25 days Private Health Insurance 401k Collaborative, flexible and friendly environment:  We understand that flexibility is the key to maintaining a healthy work-life balance, especially at the moment.  We’re working remotely right now and are carefully considering our strategy for remote working in the longer term Social events, which include monthly team lunch on us, quarterly full day events and an annual company 3-day event Personal training budget & LinkedIn Learning subscription.