We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Backend Engineer
Location
South Africa
Posted
96 days ago
Salary
0
Seniority
Mid Level
Job Description
Backend Engineer
Luno
About us: Luno is the crypto investment app you can rely on, enabling you to buy, store and explore crypto securely. We’re committed to putting the power of cryptocurrency in everyone's hands sensibly and responsibly. Since 2013, we’ve helped millions of people around the world invest safely in crypto. We do this by cutting through the hype and supporting customers at every step of the way. All products and cryptocurrencies on our platform must first meet stringent legal, risk and technical security standards. Transparency is key for us. Luno stores all crypto on a 1:1 basis and we have rigorous processes in place so you can be confident your investment is secure. We’re available in more than 40 countries around the world and we work closely with respective regulators in all of these markets to be fully compliant, as we believe this is the best way to help everyone, everywhere, invest safely. The role in a nutshell: We're building teams to help us succeed in our mission to upgrade the world to a better financial system. As an intermediate engineer, you’ll be joining a group of highly motivated software engineers who you’ll work collaboratively with across our pods. As a fast-growing company with offices around the world, you’ll immediately see how your contributions directly impact both our internal users and client experience. Many of the problems we are solving result in trail blazing solutions which can’t be found on Stack Overflow; so we’re looking for engineers who flourish working in a complex domain. Your mission will be: - Build distributed microservices that are accessed by 10m customers from across the globe. - Design, build and maintain advanced applications services. - Collaborate with cross-functional teams to define, design, and ship new features. - Write testable, maintainable code for robustness and reliability. - Work on bug fixing and improving application performance. - Write code that directly affects users, the company and the Bitcoin ecosystem. A little about you: - Background in computer science in areas such as algorithms, data structures, and software design. - Proven experience leading development efforts and guiding engineering teams through end-to-end project delivery. - Extensive programming experience in Backend based technologies. Go(lang) is preferable. - A continuous improvement mindset. - BSc/MSc/PhD in computer science or other technical discipline, or equivalent working experience. - To be friendly, transparent, articulate and driven to succeed. Don’t be put off if you don’t tick all of the boxes – they’re a guide based on what we’d love to see What stack we work on: - Kotlin, Swift & Angular - Go(lang), gRPC - Kubernetes (EKS), Docker - CloudFlare, CloudFront, nginx - MySQL (RDS), Redis (ElastiCache), etc - Prometheus, Grafana, CloudWatch, Jenkins Life at Luno: - Remote but reachable work policy gives you the freedom to choose between working from home or the office. - Plus the option to buy and sell up to 5 days leave - Improve body and mind, with excellent private medical insurance - Access to Learnably and our additional learning platforms for your personal and professional development - 6 months primary care-giver leave - Paw-ternity leave for your furry friend - Annual Inspiration Day in addition to your annual leave which increases based on your length of service! - A collaborative, friendly work community, with regular social events and virtual cooking, dancing, drawing and house planting classes hosted by our Lunauts - 0 fees up to a certain amount with Luno from the day you start.* *Offer only available on Luno Instant Buy, not Luno Exchange We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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Mayo ClinicHeadquartered in Rochester, Minnesota, Mayo Clinic is a nonprofit medical institution ranked first in more specialties than all other hospitals in America. The
Mayo Clinic Genomics and Emerging Systems Unit is seeking a Software Engineer to design, develop, and maintain robust .NET-based back-end services supporting a broad portfolio of genomics and clinical applications. These systems operate across on-premises environments and modern cloud platforms, including Azure and Google Cloud Platform (GCP), and integrate with distributed services through secure APIs and web services. The Software Engineer will build and optimize services that handle complex genomic workflows, large-scale clinical datasets, and high-throughput data processing. This includes ensuring that all services meet strict performance, reliability, and accuracy requirements, scale effectively as data volumes grow, and remain resilient within hybrid cloud ecosystems. The role collaborates closely with Product Owners, Product Managers, Architects, and cross-functional engineering partners to translate requirements into well-architected, maintainable code. Responsibilities include designing and implementing services aligned to enterprise architecture, including cloud-ready APIs, data integration pipelines, and secure interoperability layers for genomic systems. The engineer participates in Agile and DevOps practices using GitHub, Azure DevOps (ADO), Azure Pipelines, and CI/CD frameworks. Work may include deployment automation and configuration management using tools such as ARM/Bicep, Terraform, Cloud Build, or Azure Pipelines, supporting both on-prem and cloud-hosted applications. Development efforts leverage modern .NET technologies, cloud-native patterns, API-first design, and secure coding practices. Responsibilities also include maintaining comprehensive technical documentation, contributing to code reviews, and participating in expert-level troubleshooting through log analysis, root cause evaluation, and data/system investigation. This position requires effective communication with peers, leaders, and clinical partners across the organization. The engineer will continue to build knowledge of genomics workflows, organizational processes, and customer needs while performing a range of technical assignments with moderate guidance and increasing autonomy. During the selection process you may participate in an OnDemand (pre-recorded) interview that you can complete at your convenience. During the OnDemand interview, a question will appear on your screen, and you will have time to consider each question before responding. You will have the opportunity to re-record your answer to each question - Mayo Clinic will only see the final recording. The complete interview will be reviewed by a Mayo Clinic staff member and you will be notified of next steps. This vacancy is not eligible for sponsorship/we will not sponsor or transfer visas for this position. Mayo Clinic DOES NOT participate in the F-1 STEM OPT extension program. Why Mayo Clinic Mayo Clinic is top-ranked in more specialties than any other care provider according to U.S. News & World Report. As we work together to put the needs of the patient first, we are also dedicated to our employees, investing in competitive compensation and comprehensive benefit plans – to take care of you and your family, now and in the future. And with continuing education and advancement opportunities at every turn, you can build a long, successful career with Mayo Clinic. Benefits Highlights - Medical: Multiple plan options. - Dental: Delta Dental or reimbursement account for flexible coverage. - Vision: Affordable plan with national network. - Pre-Tax Savings: HSA and FSAs for eligible expenses. - Retirement: Competitive retirement package to secure your future. Just as our reputation has spread beyond our Minnesota roots, so have our locations. Today, our employees are located at our three major campuses in Phoenix/Scottsdale, Arizona, Jacksonville, Florida, Rochester, Minnesota, and at Mayo Clinic Health System campuses throughout Midwestern communities, and at our international locations. Each Mayo Clinic location is a special place where our employees thrive in both their work and personal lives. Learn more about what each unique Mayo Clinic campus has to offer, and where your best fit is. Equal Opportunity All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, protected veteran status or disability status. Learn more about the "EOE is the Law". Mayo Clinic participates in E-Verify and may provide the Social Security Administration and, if necessary, the Department of Homeland Security with information from each new employee's Form I-9 to confirm work authorization.
We are now expanding our team and are looking for skilled, goal-oriented backend developers to join our teams. Requirements - 7+ years of production experience with Python - At least 2 years of hands-on experience with async Python (FastAPI, aiohttp, or similar frameworks) in production - Ability to debug issues across service boundaries - Comfortable working with partially defined tasks and evolving requirements - Ready to work in a fast-changing, high-uncertainty environment - Open to using AI tools in daily development and troubleshooting Nice to have - Interest in infrastructure and system design - Hands-on experience with service delivery/integrations - Background in startup or other fast-moving, high-uncertainty environments - Practical experience working with gRPC Responsibilities - Adapt existing platform components to new customer environments - Implement client-specific features and integrations - Support and evolve internal backend libraries - Investigate and fix production and on-premise issues - Work on logging, tracing, observability improvements - Participate in pilots where the platform must be adjusted quickly - Collaborate with infrastructure and product teams on cross-service problems What we offer - Experienced team, Acclaim is formed by a team of enthusiastic professionals who created award-winning devices, voice assistants and other AI-driven products for BigTech corporations - Cutting-edge technologies, we build a technology using our areas of expertise, including Speech Technologies, Natural Language Understanding, Generative AI incl. LLM and Diffusion models - Rapid career progression, facilitated by our team of seasoned senior professionals who hail from prestigious, industry-leading companies - Remote work opportunities from Europe / US - Company has prominent clients with an opportunity for you to work on different projects and/or to be involved in developing our proprietary own products - Competitive compensation surpassing market standards - A company with entrepreneurial spirit. We offer a unique mix of a secure workspace thanks to the big clients raised along with a true start-up culture!
• Frontend Development & UX Focus: Build and maintain modern web applications using React.js, ensuring responsiveness, scalability, and performance. Work closely with UI/UX designers to implement user-friendly interfaces, ensuring cross-browser compatibility and optimization. • Backend Development & Core Services: Design, develop, and maintain critical backend services and core application logic using Ruby on Rails, ensuring high reliability, performance, and security. • API Development: Design, build, and optimize RESTful or GraphQL APIs to provide efficient, reliable data access for the React frontend and other internal systems. • Architecture & Performance: Architect and implement scalable full-stack systems. Continuously optimize performance, reliability, and efficiency through profiling, caching (e.g., Redis), and background job processing (e.g., Sidekiq). • Database Management: Design, maintain, and optimize relational databases such as PostgreSQL and MySQL. Write and tune SQL queries for performance and scalability. • System Reliability & Monitoring: Contribute to improving observability and performance monitoring. Quickly diagnose and resolve production issues across various environments and platforms. • Code Quality & Automation: Write clean, efficient, and well-documented code emphasizing modularity and maintainability. Ensure code quality through best practices, comprehensive automated testing, and active participation in code reviews. Contribute to improving CI/CD pipelines, deployment workflows, and proactively identify areas for system and process improvement. • Collaboration & Feature Delivery: Work closely with other engineers, product managers, and designers to deliver impactful, user-focused features that align with product goals.
• Liderar técnicamente servicios/proyectos de alto valor junto a equipos multidisciplinares. • Interlocución técnica directa con cliente: preventas, demos, estimaciones, definición de soluciones y participación en PoCs/pilotos. • Diseño de arquitecturas modernas, robustas y escalables (microservicios, CQRS, Clean Architecture, SOLID). • Liderar equipos de desarrollo y garantizar buenas prácticas e ingeniería de calidad. • Impartir formaciones internas/externas y participar en entrevistas técnicas. • Analizar viabilidad de soluciones, alternativas tecnológicas y trade-offs. • Conectar negocio y tecnología asegurando entregables realistas y alineados. • Participar en iniciativas internas, ponencias, marketing técnico y soporte a la Comunidad Microsoft.



