דרושים » ניהול ביניים » Senior Backend Engineer, Blockchain

Join the Blockchain Backend Infrastructure team and take a position in building and maintaining blockchain management platform. Youll be responsible for building cutting-edge blockchain infrastructure while implementing high-throughput, real-time scalable software solutions.
As a Blockchain Engineer, you will be instrumental in the research and integration of blockchain technologies into the platform. Your responsibilities will include collaborating closely with foundations and developers to gain a deep understanding of blockchain protocols and on-chain projects, then applying that knowledge to implement new features within the platform.
You will focus equally on external protocol integration patterns and internal wallet infrastructure. This role serves as a technical bridge between raw on-chain capabilities and the wallet features delivered to our customers.
What Youll Do:
Implement modern backend applications and infrastructure in a microservices architecture, using the latest technologies and development practices.
Deep dive into the latest blockchain technology and become an expert in the fundamentals, protocols, and features of the chains we support.
Collaborate effectively with developers, engineers, and other roles while demonstrating strong independent problem-solving abilities.
Contribute to production reliability through on-call participation, incident response, and post-incident follow-ups.

we are looking for a AI Backend Engineer.
As the AI Backend engineer , you will join a team of highly skilled machine learning engineers in developing and deploying advanced AI/ML solutions that power our identity and security products. Youll utilize technical skills to drive innovation, ensure delivery of high-impact projects, and scale our data-driven capabilities across the organization.
This role requires both strategic thinking and hands-on expertise. Youll be responsible for shaping the data science roadmap, mentoring a growing team, and collaborating with product, engineering, and business stakeholders to translate business challenges into practical machine learning solutions.
What youll do:
Design, develop, and maintain backend services for AI agents and tool integrations using latest technologies
Build scalable APIs and microservices that interface with LLMs and AI frameworks
Implement agent orchestration systems, tool calling mechanisms, and workflow engines
Optimize performance and reliability of AI-powered applications at scale
Develop data pipelines for training, evaluation, and monitoring of AI systems
Integrate with various LLM providers (OpenAI, Anthropic, etc.) and manage API interactions

Were looking for a Senior Software Engineer to join the AZ Team in Tel Aviv - a group of passionate developers building the secure, scalable backbone of our Customer Experience (CX) Platform.
Our CX organization is one of the companys fastest-growing and most innovative groups, crafting a first-in-class digital experience for our customers and partners everywhere they connect with us. The CX Platform supports diverse business requirements using emerging technologies, including predictive and generative AI, to drive customer success and accelerate time to value.
Were at the epicenter of developing modern, cloud-native technologies that keep us agile and adaptable in a constantly evolving market. The AZ Team does it from A to Z - for developers, by developers. We own everything from user management, authentication, and authorization to the data consumption layer that enables developers to build securely and efficiently. Our mission is to deliver seamless, scalable, and developer-friendly foundations that make it easy to create, connect, and innovate - ensuring that every part of the platform, from login to data insights, just works.
Your Impact
As a key member of the AZ Team, youll play a pivotal role in shaping the foundations of our CX Platform - driving features and architectural decisions from concept to production-grade solutions. Youll design and build secure, scalable systems for user management, authentication, authorization, and data access that serve thousands of developers across.
You will:
Design, develop, and build platform-wide authentication and authorization services, creating a cohesive identity fabric that integrates seamlessly with multiple identity vendors and systems.
Lead the evolution of the data consumption layer, enabling governed, efficient, and context-aware access to data across the CX ecosystem.
Drive architectural decisions from concept to production, ensuring solutions are secure, scalable, and optimized for both developer experience and operational excellence.
Leverage AI and automation to enhance access control, anomaly detection, and developer productivity - turning complex platform insights into actionable intelligence.
Collaborate cross-functionally with product, data, and infrastructure teams to build interoperable solutions that power our next-generation developer platform.
Influence platform-wide engineering standards, promoting robust design, observability, and maintainability across services.
Champion developer experience, crafting APIs, SDKs, and tools that simplify integration and accelerate innovation.
Mentor and guide engineers, fostering a culture of technical depth, curiosity, and impact-driven innovation.

our company has immediate opportunities for software developers who want their lines of code to have significant and measurable positive impact for users, the company's bottom line, and the industry. You will be working with a group of world-class engineers to build the breakthrough features our customers will love, adopt, and use while keeping our trusted CRM platform stable and scalable. The software engineer role at our company encompasses architecture, design, implementation, and testing to ensure we build products right and release them with high quality.
We pride ourselves on writing high-quality, maintainable code that strengthens the stability of the product and makes our lives easier. We embrace the hybrid model and celebrate the individual strengths of each team member while encouraging everyone on the team to grow into the best version of themselves. We believe that autonomous teams with the freedom to make decisions will empower the individuals, the product, the company, and the customers they serve to thrive.
Your Impact:
As a Backend Software Engineering, your job responsibilities will include:
Build and ship high-quality, production-grade software using modern engineering practices, with AI as a core part of your development workflow by pushing the boundaries of AI development tools to deliver secure, optimized, and high-quality code.
Design and orchestrate complex systems where AI agents integrate seamlessly into human workflows, driving efficiency and innovation at scale.
Contribute to building and maintaining the shared system context, an explicit repository of system designs, constraints, and standards that enables AI to operate accurately and reliably.
Critically evaluate code (human or AI-generated) for correctness, quality, security, and performance.
Build new and exciting components in an ever-growing and evolving market technology to provide scale and efficiency.
Develop high-quality, production-ready code that can be used by millions of users of our cloud platform.
Make design decisions on the basis of performance, scalability, and future expansion.
Work in a Hybrid Engineering model and contribute to all phases of SDLC including design, implementation, code reviews, automation, and testing of the features.
Build efficient components/algorithms on a microservice multi-tenant SaaS cloud environment
Code review, mentoring junior engineers, and providing technical guidance to the team (depending on the seniority level).

The Yield Team is looking for an experienced Backend Developer who views security as a core feature, not an afterthought. In this role, youll drive growth in the digital asset space by architecting and integrating Digital Asset Yield protocols.
We handle the worlds most valuable assets, and our work demands a security-first engineering culture. You will collaborate with industry leaders to deliver innovative, native products-ranging from decentralized lending to institutional staking-where the safety of customer funds and the integrity of protocol interactions are the highest priorities. Join us to shape the future of the digital assets space by building resilient, trustless solutions for asset optimization.
What Youll Do:
Architect for Resilience: Design and implement scalable backend systems hardened against the complex attack vectors inherent in Digital Asset Yield environments.
Secure Protocol Research: Deep-dive into new blockchain technologies, smart contracts, and liquidity protocols, identifying potential vulnerabilities or risks before integration.
Integrate AI for Enhanced Security & Optimization: Explore and deploy AI/ML-driven solutions to automate the detection of security anomalies, optimize capital efficiency, or enhance the operational resilience of core yield services.
Mission-Critical Engineering: Solve hard engineering problems where precision is paramount; youll ensure that seamless interactions with Digital Asset Yield products never come at the cost of asset security.
Lead by Example: Champion secure coding practices within the team, participating in rigorous code reviews and threat modeling for all financial logic.

We are looking for a Senior Platform Engineer to join our engineering team. This is a hybrid role sitting at the intersection of backend software development and infrastructure engineering. You will own the design and delivery of platform capabilities - from backend services and APIs to the internal developer tooling, CI/CD systems, and Kubernetes-based infrastructure that power our engineering organization.

You will partner closely with software engineering teams, acting as both a builder and an enabler: shipping production-quality backend services while also raising the bar for developer experience, deployment reliability, and infrastructure scalability.

What You'll Be Doing

Design, build, and maintain production-grade backend services, APIs, and microservices.
Develop background workers, event-driven systems, and async processing pipelines.
Define and enforce backend architecture patterns - API design standards, service boundaries, data modeling, and error handling.
Collaborate with product and feature teams to deliver shared platform services (auth, notifications, integrations, etc.).
Integrate and operate AI agents within engineering workflows, using them as active development tools to accelerate delivery and improve code quality.
Contribute to the design and development of corporate AI-agent tooling - building the infrastructure, APIs, and platform abstractions that power our internal LLM-based tools.
Work closely with large language models (LLMs) - including prompt engineering, API integration, and building reliable pipelines around model inference.
Own and evolve our Kubernetes infrastructure, including Helm chart management, workload configuration, RBAC, and cluster operations.
Design and manage CI/CD pipeline templates shared across engineering teams - covering build, test, security scanning, and deployment stages.
Develop internal developer platform tooling that improves self-service capabilities and deployment velocity.
Drive observability best practices using tools like Datadog, OpenTelemetry, and Prometheus.

Were looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.
As a Staff SW Engineer on the Customer Lifecycle Management team, you will be tasked with joining our dedicated platform team committed to providing essential services that support the success of other developer teams. Your primary customers will be fellow our company developers who rely on our department's key services, including identity and user management, metering, and license management; in this role, you'll play a crucial role in ensuring the smooth functioning of these critical components and empower our users to achieve their goals.
We are seeking a seasoned colleague with the ability to lead epics, features, and inspire others, while participating extensively in the architecture of the new solutions we're building to elevate the entire journey of our customers-creating new features and scalable systems, rebuilding existing ones from scratch, and providing comprehensive, robust APIs that help both S1 and our customers/partners manage customer-centric interactions within our flagship SaaS platform.
Join our international team of 9 (with colleagues across Brno, Prague, Slovakia, and Israel) and become an integral part of a friendly, collaborative, pragmatic, professional, and diverse group of individuals who are ready to tackle major SW engineering challenges!
Your stack: Java (v21), Spring framework family (Boot, Web, Web-Flux, Cloud), Gradle, Jooq; Kafka, PostgreSQL, ClickHouse, Redis, Docker, Helm, Kubernetes, Terraform, AWS/GCP across multiple cloudregions, GitHub Actions, ArgoCD, Prometheus, Grafana. To enable you in your work, we provide company access Claude Code
What will you do?
Primary responsibilities include:
Collaborate across teams - to shape and define system requirements, ensuring alignment with overall business goals.
Design and drive projects - lead execution of high-priority, high-visibility platform projects, ensuring timely delivery and exceptional quality.
Own feature development - take full ownership of the feature development lifecycle, from refining requirements through to successful production deployment, ensuring seamless integration and functionality.
Build and maintain secure and scalable backend - infrastructure that serves as the backbone for other development teams, supporting their needs and enhancing overall system performance.
Ensure efficiency and performance - develop solutions that guarantee reliability, scalability, and optimal performance, leveraging best practices and modern technologies.
Conduct code reviews - provide constructive feedback, fostering a culture of continuous improvement and high-quality code standards.
Troubleshoot complex issues - quickly identify, diagnose, and resolve, minimize downtime and ensuring smooth operations; be part of rotating on-call duty to respond/troubleshoot to the outage incidents.

Required Staff Backend Engineer
Tel Aviv
As a Staff Backend Engineer, you will play a pivotal role in revolutionizing how companies understand their customer interactions. You will be instrumental in designing and leading the development of scalable systems, working with cutting-edge technologies, and collaborating with cross-functional teams across the organization to solve high-impact problems.
Youll Own:
Technical Strategy & Architecture: Driving the architectural vision for complex systems, ensuring they remain scalable, reliable, and maintainable as we grow.
Core Backend Infrastructure: Designing and implementing high-performance services and APIs using Java, Spring Boot, and modern cloud technologies.
Technology Exploration: Researching and integrating emerging technologies, including AI/ML capabilities and advanced APIs, into our current stack.
Youll Solve:
System Scalability: Tackling the challenges of high-performance backend design.
Complex Cross-Functional Alignment: Bridging the gap between Product, GTM, and R&D groups to develop tailored solutions that satisfy both internal and external stakeholders.
Architectural Debt: Making critical decisions that prevent bottlenecks and ensure the long-term health of our distributed systems.
Youll Impact:
Team Technical Bar: Elevating the engineering organization through direct mentorship and by setting high-level standards for best practices.
Innovation Velocity: Leading the charge in adopting new methodologies and AI capabilities that keep our product at the cutting edge.
Strategic Growth: Directly influencing the company's ability to scale by building the foundational services that power our most complex product initiatives.
We operate in a flexible hybrid work model.

We are looking for an experienced, hands-on Senior Backend Engineer to join the Runtime team - one of the most critical backend teams .
We are at a breakthrough stage, building our dream team with the most passionate and professional people in the industry.
The Runtime team owns the execution layer of all automations - the core of our product. We operate at a significant scale: hundreds of millions of steps and millions of security events every single day, in systems that simply cannot break. This creates constant challenges around scale, reliability, and forward-thinking design - always asking what could break next and how to prevent it before it happens. Beyond maintenance, there's a lot of innovation here, including supporting all of our AI-powered capabilities.
What Will You Do?
Take part in all development aspects - from design to production - of our high-scale automation runtime
Lead the design and implementation of features and architectural changes that keep our platform reliable at massive scale
Drive significant cross-team projects and influence decisions beyond your immediate team
Lead production incidents and post-mortems, raising the bar for stability and operational excellence
Mentor team members, take part in interviews, and help grow the team and its standards
Work with modern AI tools (Cursor, Claude Code) as a core part of the workflow - focusing more on design, review, and impact, while maintaining deep understanding and high-quality standards through hands-on code review