Backend Engineer

🏢 Summary: Principal Platform Engineer to architect and lead the infrastructure strategy for a production-grade ML platform on Google Cloud. The role focuses on building and automating scalable, secure, and resilient infrastructure for high-performance machine learning workloads. You will design cloud-native systems, CI/CD pipelines, and observability solutions to ensure reliable model deployment and operations. 🗂️ Requirements: 8–10+ years in DevOps or Platform Engineering, Minimum 2 years operating production ML workloads, Deep hands-on experience with GCP and GKE, Strong expertise in Kubernetes cluster architecture and operations, Proficiency with Istio service mesh and API gateways, Expert-level Terraform with Atlantis/GitOps workflow, Experience building ML CI/CD pipelines, Experience operating Airflow in production, Experience with ML serving platforms, Experience managing Cloud SQL (PostgreSQL) and BigQuery, Experience with in-cluster datastores, Experience managing enterprise identity and secrets systems 📃 Skills: GCP, GKE, Kubernetes, Istio, Kong, Terraform, Atlantis, GitOps, Helm, Kustomize, ArgoCD, Airflow, Jenkins, GitHub, MLflow, Triton, vLLM, PostgreSQL, BigQuery, Elasticsearch, ClickHouse, Auth0, Dex, ESO, SOPS, IAM, VPC-SC 🏢 Description: Principal Platform Engineer Poland, Remote or Ukraine, Remote or Romania, Remote Point Wild helps customers monitor, manage, and protect against the risks associated with their identities and personal information in a digital world. Backed by WndrCo, Warburg Pincus and General Catalyst, Point Wild is dedicated to creating the world’s most comprehensive portfolio of industry-leading cybersecurity solutions. Our vision is to become THE go-to resource for every cyber protection need individuals may face - today and in the future. Join us for the ride! We’re looking for a Principal Platform Engineer to architect and lead the infrastructure strategy for our next-generation Production ML platform on Google Cloud. In this role, you will be the backbone of our high-performance machine learning workloads, ensuring our systems are elastic, secure, and resilient. You won’t just maintain the status quo; you’ll build the "paved road" for our engineers, automating everything from model deployment to complex networking perimeters. We are a high-trust, outcome-focused team that moves quickly to solve some of the most challenging problems in the ML space. Core Responsibilities: Infrastructure Management: Design, deploy, and maintain elastic scaling cloud infrastructure (GCP) and containerization tools like Kubernetes for high-performance ML workloads. CI/CD Pipeline Development and maintenance: Build automated pipelines for training, testing, and deploying machine learning models using tools like Jenkins, GitHub Actions, or Airflow. Model Monitoring & Maintenance: Implement observability tools to track model drift, accuracy, latency, and performance degradation in production. Collaboration: Bridge the gap between data engineers, ML engineers, Backend and Frontend engineers to ensure smooth production operation. ML Observability: Implement comprehensive monitoring for system health (latency/uptime) alongside ML-specific metrics, such as feature drift, prediction accuracy, and data distribution shifts, to ensure long-term model reliability. Non ML workload and production metrics monitoring. Deploy tools that empower individual teams to monitor their workloads. Participate in on-call rotation, help manage posture to ensure compliance with standards such as SOC. What you bring to the table: Senior Expertise: 8 - 10+ years in DevOps/Platform Engineering, with at least 2 years of experience specifically operating and maintaining production ML workloads . GCP & K8s Mastery: Deep, hands-on experience with GCP (VPC-SC, IAM, Organization Policies) and GKE (Cluster topology, Helm, Kustomize, and in-cluster operators like ArgoCD). Service Mesh Excellence: High proficiency with Istio (VirtualServices, mTLS, sidecar injection) and API Gateways (specifically Kong ). Infrastructure as Code: Expert-level Terraform skills, specifically using an Atlantis/GitOps workflow across a massive, multi-hundred-file estate. Secrets & Identity: Experience managing enterprise-grade identity and secrets (Auth0, Dex, ESO, or SOPS). Data/ML Tooling: Experience operating Airflow in production and an ML-serving stack (e.g., Triton, vLLM, MLflow ). Database Management: Comfortable managing Cloud SQL (PostgreSQL), BigQuery, and in-cluster datastores like Elasticsearch or ClickHouse. At least an upper-intermediate level of spoken and written English. It would be great if you also had: ML Observability: Past experience with continuous monitoring of model accuracy and detecting data/concept drift. Automation Savvy: Experience with Ansible for cluster bootstrap and recovery. Advanced Certifications: Kubernetes (CKA/CKS) or GCP Professional Cloud Architect/Security Engineer certifications. Modern Stack Exposure: Familiarity with Loki, Grafana , or managing ClickHouse at scale. Why Join Us? Professional Growth: Enhance your skills by collaborating closely with talented engineers and architects. Meaningful Impact: Help create software that protects millions of users from cybersecurity threats. Supportive Environment: Join a team dedicated to innovation, mentorship, and continuous learning.

🏢 Summary: Remote DevOps Engineer role focused on designing, automating, and scaling multi-cloud infrastructure across AWS and GCP, with working knowledge of Azure. The position centers on building CI/CD pipelines, implementing Infrastructure as Code, and ensuring high availability, security, and observability of cloud environments. 🗂️ Requirements: 5+ years DevOps experience, Minimum 3 years hands-on AWS experience, Hands-on experience with GCP infrastructure, Practical knowledge of Azure fundamentals, Expert-level Terraform for AWS and GCP, Strong experience building CI/CD pipelines, Expert-level GitHub Actions, Proficiency in Python or Bash or Ruby, Experience with Docker and Kubernetes, Strong knowledge of AWS and GCP security principles, Experience with monitoring and alerting tools, Experience with Git-based version control 📃 Skills: AWS, GCP, Azure, Terraform, CloudFormation, Ansible, GitHubActions, Python, Bash, Ruby, Docker, Kubernetes, ECS, EKS, GKE, AKS, EC2, S3, Lambda, RDS, DynamoDB, CloudWatch, Kafka, Redis, OpenSearch, Elasticsearch, ComputeEngine, CloudSQL, CloudStorage, CloudDNS, IAM, VPC, Git, GitLab, Bitbucket 🏢 Description: DevOps Engineer Poland, Remote or Ukraine, Remote or Romania, Remote Point Wild helps customers monitor, manage, and protect against the risks associated with their identities and personal information in a digital world. Backed by WndrCo, Warburg Pincus and General Catalyst, Point Wild is dedicated to creating the world’s most comprehensive portfolio of industry-leading cybersecurity solutions. Our vision is to become THE go-to resource for every cyber protection need individuals may face - today and in the future. Join us for the ride! About the Role: We are seeking an experienced DevOps Engineer to join our dynamic and growing engineering team. The ideal candidate will have hands-on experience with cloud infrastructure, CI/CD pipelines, and automation, with a strong focus on AWS services, solid hands-on experience with Google Cloud Platform (GCP), and a practical understanding of Microsoft Azure fundamentals. As a DevOps Engineer, you will be responsible for managing, improving, and scaling our cloud infrastructure across AWS and GCP environments, while also understanding Azure concepts where needed for multi-cloud planning, vendor conversations, and basic troubleshooting. Day to Day: Cloud Infrastructure Management: Design, deploy, and maintain cloud infrastructure across AWS and GCP using different services. Maintain practical familiarity with Azure equivalents. CI/CD Pipeline Development: Implement and manage continuous integration/continuous deployment pipelines. Automation: Automate infrastructure provisioning and application deployments using Terraform across AWS and GCP, AWS CloudFormation, or Ansible. Monitoring & Optimization: Monitor cloud infrastructure and applications to ensure high availability, performance, and cost optimization. Recommend any other tooling/automation necessary for production logging and observability. Collaboration: Work closely with developers and operations teams to ensure smooth release cycles and infrastructure scaling. Security & Compliance: Implement security best practices for managing AWS and GCP resources, with a practical understanding of Azure security concepts. Ensure compliance with internal and external regulatory requirements. Incident Management: Respond to system outages or issues, providing troubleshooting and support for incident resolution. Documentation: Maintain clear and concise documentation on infrastructure, processes, and procedures for internal use. What you bring to the table: Experience : 5+ years of hands-on experience in DevOps, with at least 3 years working specifically with AWS services, direct hands-on experience supporting GCP infrastructure and services, and familiarity with Azure fundamentals. AWS & GCP Expertise: Solid knowledge of AWS services (EC2, S3, Lambda, RDS, ECS, DynamoDB, EKS, CloudWatch, Redis, Kafka, OpenSearch/Elasticsearch, etc.). Strong hands-on experience with GCP services such as Compute Engine, GKE, Cloud Storage, Cloud SQL, Cloud DNS, Cloud Load Balancing, IAM, Cloud Monitoring, and Cloud Logging is required. Azure Familiarity: Practical understanding of Microsoft Azure core services and concepts. Automation & Infrastructure as Code (IaC): Expert level on Terraform is a must, including experience building and managing infrastructure across AWS and GCP. CI/CD: Strong experience in building and maintaining CI/CD pipelines. Expert level of GitHub Actions is a must. Scripting: Proficiency in at least one scripting language such as Python, Bash, or Ruby. Monitoring Tools: Solid knowledge with monitoring and alerting tools across AWS and GCP. Familiarity with Azure Monitor and Log Analytics is expected. Version Control: Experience with Git, GitHub, GitLab, or Bitbucket. Containerization & Orchestration: Solid knowledge with Docker and Kubernetes for containerized applications, including ECS, EKS, GKE, AKS, or self-hosted Kubernetes. Security: Strong understanding of AWS and GCP cloud security principles, IAM/IAM roles, VPC/VPC networking, encryption strategies, secrets management, logging, and least-privilege access controls. Practical familiarity with Azure identity, networking, and security concepts is expected. Collaboration & Communication: Ability to work effectively with development teams, system administrators, and other stakeholders. Problem-Solving: Excellent troubleshooting and debugging skills. It would be great if you also had: Familiarity with Terraform providers/modules for Azure. Proficiency with AWS CloudFormation.

🏢 Summary: Backend Engineer role focused on building secure, high-performance microservices and scalable data pipelines in AWS environments. The position involves designing Python-based REST APIs, implementing enterprise-grade security standards, and orchestrating containerized and serverless infrastructure. The engineer will work on real-time security analytics integrations, encrypted communication channels, and identity management systems. 🗂️ Requirements: Bachelor's degree in Computer Science, Engineering or related field, 3+ years of backend engineering experience, Experience with distributed systems, Strong knowledge of network security principles, Knowledge of encryption standards, Understanding of enterprise data privacy, Experience designing RESTful APIs, Experience with microservices architecture, Experience with AWS cloud services, Experience with containerization and orchestration 📃 Skills: Python, REST, Microservices, AWS, DynamoDB, IAM, Lambda, APIGateway, Redis, Docker, Kubernetes, Helm, SAML, MFA, RBAC, Splunk, Spacebridge, Protobuf, WebSockets 🏢 Description: Location: Warsaw, Poland (Hybrid preferred, open to remote within Poland) Experience: 3+ years Job Description: Backend Engineer – Security & Mobile Connectivity Team Description The team manages the Splunk Connected Experiences ecosystem, bridging the gap between core data and mobile accessibility. We specialize in the administration of Splunk Secure Gateway , leveraging Spacebridge technology to provide end-to-end encrypted, VPN-less access to operational intelligence. We are dedicated to maintaining a secure, high-performance infrastructure that allows stakeholders to monitor system health and respond to critical incidents via Splunk Mobile , ensuring data integrity through advanced MDM integrations, security ecosystems, and SAML authentication. Role Overview We are seeking a highly skilled Backend Engineer to contribute to our engineering initiatives, with a focus on building secure, scalable, and high-performance backend systems. This role demands a robust understanding of backend architecture, security integrations, and practical experience with a suite of contemporary technologies including Splunk Secure Gateway , Splunk Mobile . 🛠️ Core Technical Requirements Languages & Frameworks • Proficiency in Python 3 for backend service development. • Experience building RESTful APIs and microservices architectures. • Familiarity with React for collaborating on frontend interactions. Cloud Infrastructure (AWS) • AWS DynamoDB : NoSQL data modeling and management. • AWS IAM : Role-based access control and security policy enforcement. • AWS Lambda & API Gateway : Serverless architecture patterns. Data Management & Caching • Proficiency with Redis for in-memory caching, session management, and high-availability cluster configurations. Containerization & Orchestration • Docker & Docker Compose : Containerized development and multi-service environments. • Kubernetes : Orchestration, scaling, and operations of containerized applications. • Helm : Chart management and cluster administration. 🔐 Security & Integration Requirements Splunk & Mobile Connectivity • Splunk Secure Gateway: Administer and configure the Gateway to facilitate encrypted, VPN-less communication between Splunk instances and mobile devices via Spacebridge . • Splunk Mobile Deployment: Manage the rollout of Splunk Mobile to provide stakeholders with real-time alerts and mobile-optimized dashboards (Dashboard Studio/Classic). • Secure Firewall App for Splunk: Integration with Firewall Management Center (FMC) and configuration of eStreamer Client Add-On for data ingestion. • Secure Network Analytics (SNA): SSL certificate management and Webhook setup for forwarding alerts to Splunk HTTP Event Collector (HEC). Authentication & Access Control • SAML 2.0 & SSO: Hands-on experience with Identity Providers (IdP), Active Directory (AD) attribute mapping, and SAML group/role configuration. • Identity Security: Experience with Duo Single Sign-On and Two-Factor Authentication (2FA) policy enforcement. Endpoint Security Analytics 📊 Responsibilities • Design & Develop: Build and maintain scalable backend services and APIs that power our secure data pipelines. • Secure Connectivity: Implement and manage secure communication flows via Splunk Secure Gateway and Spacebridge. • Security Integration: Collaborate with security teams on Secure Firewall and SNA integrations to build real-time threat discovery dashboards. • Infrastructure Management: Manage containerized deployments using Docker and Kubernetes while optimizing AWS and Redis performance. • Mobile Optimization: Ensure critical business metrics and alerts are securely accessible via Splunk Mobile. ⭐ Desirable Experience • Protobuf for efficient data serialization. • WebSockets for real-time bidirectional communication. • Duo Network Gateway (DNG) for secure access to on-premises web applications and SSH/RDP hosts. • Knowledge of DMZ architecture and secure network design principles. 🎓 Qualifications • Bachelor’s degree in Computer Science, Engineering, or related field. • 3+ years of backend engineering experience. • Strong understanding of network security principles and enterprise data privacy.

🏢 Summary: Senior Backend Engineer role focused on building secure, scalable backend services in Python and Node.js for advanced cybersecurity platforms. The position involves architecting and operating cloud-native solutions on GCP, optimizing databases, and implementing secure authentication flows. You will drive automation, reliability, and best practices in a hybrid Krakow-based environment. 🗂️ Requirements: Minimum 6 years backend development experience, Expertise in Python, Expertise in Django, Expertise in Node.js, Expertise in TypeScript, Experience with NestJS, Hands-on experience with GCP services, Experience with GKE, Experience with Cloud Run, Experience with Pub/Sub, Experience with Terraform, Strong knowledge of security principles, Experience implementing OAuth2, Experience implementing OpenID Connect, Experience with PostgreSQL, Ability to design scalable backend systems, Fluent English, Legal right to work in the EU 📃 Skills: Python, Django, Node.js, TypeScript, NestJS, GCP, GKE, CloudRun, PubSub, PostgreSQL, Terraform, OAuth2, OpenIDConnect, Go, Rust, Filestore 🏢 Description: Unleash innovation in security — shape the future of cyber defense! Krakow-based opportunity with hybrid work model As a Senior Python & Node.js Backend Engineer , you will be working for our client, a leading player in the cybersecurity industry, dedicated to building cutting-edge security platforms that protect organizations worldwide. You will contribute to developing innovative solutions that enhance digital safety, automation, and reliability—driving the next generation of security technology. Your main responsibilities: Hands-on development of high-quality, production-grade backend services in Python (Django) and Node.js (TypeScript/NestJS). Architect scalable, secure solutions on Google Cloud Platform (GKE, Cloud Run, Pub/Sub) and optimize PostgreSQL database performance. Lead the lifecycle management of cloud-native services, ensuring resilience, observability, and cost-efficiency. Design and implement OAuth2/OpenID Connect flows within GCP environments. Translate business opportunities into effective technical solutions. Develop automation to improve deployment, monitoring, and maintenance processes. Mentor team members and promote engineering best practices. Stay updated with the latest industry trends and share knowledge across teams. You're ideal for this role if you have: At least 6 years of experience in backend development or related fields. Deep expertise in Python (Django) and Node.js (TypeScript/NestJS). Hands-on experience with GCP services (Cloud Run, GKE, Filestore) and Infrastructure as Code (Terraform). Strong understanding of security principles, including zero trust models. Ability to build scalable, high-performance backend services, including some experience with Go or similar languages. A full-stack understanding with a focus on backend systems. Proven track record of creating secure, reliable, and efficient backend solutions. Demonstrated mastery in your technical discipline and a passion for engineering excellence. It is a strong plus if you have: Experience with Go, Rust, or other emerging languages. The ability to identify problems or opportunities and engineer effective solutions. Respected for your craftsmanship, not just your ideas. A holistic view to complex problem solving. Language Required for the role: Fluent English (written and spoken) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Backend Engineer role focused on building production systems for AI agents, including backend services, APIs, and data pipelines for enterprise customers. The position involves designing reliable distributed systems, maintaining production services, and collaborating closely with cross-functional teams in a fully on-site Warsaw office environment. The company offers a modern AI-focused tech stack, B2B contract, stock options, and opportunities to contribute to open-source projects. 🗂️ Requirements: 3–5 years of experience building backend production systems, Strong Python skills, Understanding of distributed systems, Experience with AWS, GCP, or Azure, Knowledge of SQL and NoSQL databases, Database design experience, Security-focused approach to system design, Ability to manage projects from idea to production, Strong written and spoken communication skills, Experience using AI tools in software development, Ability to work fully on-site in Warsaw 📃 Skills: Python, AWS, GCP, Azure, SQL, NoSQL, AI, TypeScript, APIs, GitHub, Copilot, Codex, Claude 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and handles real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a backend engineer with several years of experience who wants to take responsibility for real systems, not only complete assigned tasks. You will solve backend challenges, choose the best technical solutions, deliver new features, and support them in production. We are looking for someone with good technical skills, clear communication, and a desire to build systems that are simple, reliable, and easy to improve. You will help build production systems for AI agents, working on real problems for customers who already use our platform. The position is based in Warsaw and requires working from the office. Responsibilities Build backend services, APIs, data pipelines, and background processes for production systems. Turn business requirements into technical solutions and implementation plans. Monitor and maintain services after release, improving reliability, performance, and system monitoring. Design service interfaces and data models that fit well into the overall system. Create technical documentation and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers. Improve engineering processes using AI tools, automation, and better workflows. Help maintain high code quality through code reviews and design reviews. Requirements Around 3–5 years of experience building backend production systems. Strong Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failures, data consistency, asynchronous processing, and service communication. Experience with cloud platforms such as AWS, GCP, or Azure, and knowledge of SQL, NoSQL, and database design. A security-focused approach when working with sensitive data and system design. Ability to manage projects from idea to production with increasing responsibility. Good written and spoken communication skills, with the ability to explain technical decisions clearly. Experience using AI tools as part of your daily software development work. Nice to have Experience with AI agents, orchestration, retrieval systems, tool calling, or LLM-based infrastructure. Knowledge of TypeScript or willingness to work across the full technology stack. Experience taking on more responsibility and learning quickly. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team combines strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Backend Engineer role focused on designing, building, and maintaining production backend systems and AI-driven workflows in a fully onsite Warsaw office environment. The position involves ownership of system architecture, APIs, distributed systems, and cloud infrastructure from design through production. Candidates will collaborate across teams, improve engineering processes with AI tools, and contribute to scalable, reliable solutions. 🗂️ Requirements: Strong experience as a senior backend engineer on production systems, Excellent Python programming skills, Understanding of distributed systems, Experience with AWS or Azure cloud platforms, Knowledge of SQL and NoSQL databases, Experience with asynchronous processing and service design, Ability to design and deliver systems from idea to production, Strong written and spoken communication skills, Regular use of AI development tools, Ability to work fully onsite in Warsaw 📃 Skills: Python, AWS, Azure, SQL, NoSQL, APIs, AI, TypeScript, GitHub, Copilot, Claude, OpenAI, Codex 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This allows AI to make better decisions and provide accurate, reliable, and compliant results. Well-known companies from different industries use our technology to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that used to take hours in just seconds. We also work with leading technology partners and have been recognized for our innovative approach. Our goal is to help people everywhere get better answers through AI. Job Description We are looking for a Senior Backend Engineer who can take ownership of important systems instead of only completing assigned tasks. You will solve complex problems, design backend solutions, build them, and make sure they run well in production. We want someone with strong technical skills, good communication, and the ability to create simple, reliable, and easy-to-maintain systems. This is a product engineering role with responsibility from system design to production. The position is based in Warsaw and requires office work. Responsibilities Design and develop backend services, APIs, data processing, and background tasks for production systems. Turn unclear business needs into clear technical plans and practical solutions. Maintain services after release by improving reliability, monitoring, performance, and fixing issues. Make good decisions about system architecture, data models, interfaces, and future scaling. Write technical documentation, architecture notes, and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers to deliver complete solutions. Improve development processes using AI tools, automation, and internal workflows. Support the team through code reviews, design reviews, and practical technical leadership. Requirements Strong experience as a senior backend engineer working on production systems. Excellent Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failure handling, data consistency, asynchronous processing, and service design. Experience with cloud platforms such as AWS, Azure, or similar services. Knowledge of SQL, NoSQL databases, schema design, and performance optimization. Ability to take a project from an idea through design and implementation to production. Strong written and spoken communication skills with the ability to explain technical topics clearly. Regular use of AI tools in everyday development and interest in improving AI-based workflows. Nice to Have Experience with LLM-based applications, search systems, AI infrastructure, or large data pipelines. Knowledge of TypeScript or the ability to contribute to frontend development when needed. Experience guiding other engineers and influencing technical decisions without being a formal manager. What We Offer B2B contract and company stock options. MacBook Pro for work. Modern technology stack and opportunities to contribute to open-source projects. Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP servers. Our Culture and Values Our leadership team has strong experience in AI and knowledge management. We have secured more than $60 million in funding and achieved three years of continuous 3x growth. Our work is based on these values: Quality – We aim for excellent work and high coding standards. Momentum – We take initiative and keep projects moving forward. Accountability – We take responsibility and give honest, respectful feedback. Hard Work – We believe great results come from teamwork and consistent effort. Learning Agility – We stay curious, learn from mistakes, and improve every day. Adapt and Thrive – We accept change and see challenges as opportunities. Win Together – We succeed as one team through honesty, openness, and support for our shared mission.

🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend systems for a modern accounting platform. The position involves designing distributed services, building high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to develop agentic systems and scalable data pipelines. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing, building, and operating production backend systems at scale, Strong expertise in API design, Strong expertise in data modelling, Deep understanding of distributed systems trade-offs, Hands-on experience with AWS or GCP in production, Practical experience with CI/CD in high-frequency deployment environments, Experience implementing testing and deployment strategies, Strong knowledge of observability practices, Experience participating in on-call rotations 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems 🏢 Description: ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.

🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend services for a modern accounting platform. The position involves designing distributed systems, building secure and high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to build scalable data pipelines and incident response infrastructure. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing and operating production backend systems at scale, Strong expertise in API design and data modelling, Deep understanding of distributed systems and architectural trade-offs, Hands-on experience with AWS or GCP in production environments, Practical experience with CI/CD pipelines and automated testing, Experience building and maintaining observability and on-call practices 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems, DataModelling, Observability 🏢 Description: ABOUT THE COMPANY We're an applied AI company building an AI-native alternative to legacy accounting software — a market worth tens of billions in annual recurring revenue. Our mission is to help entrepreneurs focus on what matters in their business and life, and to help their accountants become more strategic. We've raised $20M from a group of top-tier investors and have grown ARR 60% month-on-month since our public launch. We now serve thousands of businesses and are expanding our product to serve accountants directly — creating a two-sided platform where both business owners and their accountants use and recommend us. We're at an early but proven stage, moving fast, and building a world-class engineering team in Wrocław to match our ambition. ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office — this is a deliberate choice, not a compromise. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.

🏢 Summary: Senior Backend Engineer role focused on designing and evolving high-traffic, scalable, and reliable backend systems powering core products. The position involves leading architectural decisions, building next-generation service platforms, and owning complex technical initiatives end-to-end. The role emphasizes system design, scalability, and long-term platform growth. 🗂️ Requirements: Strong experience building production backend systems, Solid understanding of software design principles, Experience with service-oriented architecture, Experience designing and building APIs, Experience building application backends or service platforms, Experience working with databases, Experience working with messaging systems, Experience with distributed systems, Ability to design scalable and reliable architectures, Experience participating in code reviews and technical decision-making 📃 Skills: PHP, Go, Node.js, APIs, SOA, Databases, Messaging, DistributedSystems, Backend, Architecture 🏢 Description: Join the Incogni engineering team and help us build the next-generation backend system that powers our products, Incogni and Ironwall, at scale. We’re looking for a senior backend engineer who thinks in systems, designs for growth, and is comfortable working across multiple technologies. Our mission is to build a scalable, secure, and reliable service platform that supports rapid business growth and evolving product needs. You’ll work on core application systems and service architectures that sit at the heart of our platform. If you want to: Design, build, and evolve high-traffic, business-critical backend services with a focus on scalability and reliability; Lead and influence architectural decisions — from domain modeling and service boundaries to infrastructure and deployment strategies; Drive the evolution of our next-generation service platform together with senior and lead engineers; Identify system bottlenecks and propose architectural improvements to support long-term growth; Own complex technical initiatives end-to-end, from design to production; Write clean, well-tested code while raising engineering standards across the team. And you can check off: Strong experience as a backend or software engineer building production systems; Solid understanding of software design principles, service-oriented architecture, and API design; Experience building application backends, internal platforms, or service ecosystems; Confidence working with different programming languages and stacks, and picking the right tool for the problem; Experience working with databases, messaging systems, and distributed components; Comfort participating in code reviews, design discussions, and technical decision-making. Bonus points if you: Have experience building or scaling platforms that serve millions of requests; Worked with multiple backend languages or ecosystems (for example, PHP, Go, Node.js, or others); Designed systems with reliability, observability, and operational concerns in mind. Here's the deal: Growth and learning opportunities: time dedicated to learning, conferences, online learning platforms, and books for your professional development; Health and wellness: we want you to feel and be your best. That's why we offer various benefits, from online workouts with a physical coach and sports card to health insurance and regular mental health checks; Tools of your choice: choose the technical equipment and tools you need to do your best work; Community and celebrations: get ready for long-lasting traditions such as yearly workation, Friday get-togethers, various team buildings and company celebrations; Convenient commuting: traveling from point A to point B in a city like Warsaw is quite a journey! That’s why we compensate your public transport costs; Work-life balance: We encourage working in the office, with the possibility of up to two remote days per week. Plus, with our WFA policy, you can work from almost anywhere in the world; Premium Surfshark accounts: for you, your family, and friends.

🏢 Summary: Backend Tech Lead role focused on leading and implementing a strategic rewrite of a core financial platform module into a modern, scalable architecture. The position combines hands-on Java/Spring Boot development with architectural decision-making, API design, and integration across multiple enterprise banking systems. It involves designing high-performance backend services handling large transactional and reporting datasets. 🗂️ Requirements: 7+ years backend or fullstack development experience, Strong Java expertise, Strong Spring Boot expertise, Experience designing REST APIs, Experience as Tech Lead or technical owner, Experience designing scalable and distributed systems, Strong relational database design skills (PostgreSQL), Experience with Elasticsearch or similar search technology, Experience integrating external systems via REST or GraphQL, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Knowledge of OAuth2 and OIDC, Working knowledge of React, Working knowledge of TypeScript, Experience handling large datasets with complex queries, Ability to lead architecture and mentor developers 📃 Skills: Java, Spring, SpringBoot, REST, GraphQL, PostgreSQL, Elasticsearch, Docker, Kubernetes, CI/CD, OAuth2, OIDC, React, TypeScript, SQL, Microservices, DistributedSystems 🏢 Description: Our client is an international financial technology company building solutions that support transaction communication, balances visibility, reporting, and integrations across multiple banking systems . We are looking for a Backend Tech Lead to join a strategic rewrite of a core platform module. The role combines technical leadership with hands-on backend development , helping redesign a legacy component into a modern, scalable architecture. You will work closely with product stakeholders, platform engineers, and frontend teams to design and implement reliable, high-performance backend services that integrate multiple enterprise systems. IN SHORT: 🌍 Remote work or on-site (Wrocław, Bielsko-Biała) – your choice! 💰 170 - 190 PLN/h + VAT ☑️ B2B contract Your Daily Missions Lead the design and development of backend services for a core platform rewrite. Design scalable services responsible for transactions, balances, statements, and reporting data . Define API contracts and integration patterns between backend services, frontend applications, and external enterprise systems. Make key decisions around data modeling, search/indexing strategies, and performance optimization for million-row datasets with complex filtering, sorting, and pagination . Support frontend teams by ensuring API-first design and smooth integration with React applications . Ensure engineering quality through code reviews, architecture discussions, and mentoring other developers . Collaborate closely with product, frontend, and platform teams to deliver robust, production-ready systems . The Essentials We're Seeking 7+ years of experience in backend or fullstack software development. Strong expertise in Java and Spring Boot , including designing modular backend services and REST APIs. Experience acting as a Tech Lead or technical owner responsible for architectural decisions. Solid experience designing scalable APIs and distributed systems . Strong understanding of data modeling in relational databases (e.g., PostgreSQL) and designing efficient query patterns. Practical experience with Elasticsearch (or similar search/indexing technologies) for filtering, search, and aggregation over large datasets. Experience designing hybrid data architectures combining multiple data sources . Experience working with external system integrations , including REST or GraphQL APIs. Familiarity with containerized environments (Docker, Kubernetes) and modern CI/CD pipelines. Understanding of security patterns in enterprise systems (OAuth2, OIDC, authentication and authorization flows). Working knowledge of React and TypeScript , enabling effective collaboration with frontend teams. Proven ability to break down complex architectural changes into manageable development phases . Experience using AI-assisted development tools (e.g., Cursor, Claude Code, or similar agentic coding tools) and openness to experimenting with AI-driven approaches to improve development efficiency and engineering workflows . Ability to combine hands-on engineering with technical leadership and mentoring . Nice-to-Haves Experience in FinTech, banking, or enterprise integration platforms . Experience with large-scale transactional or reporting systems . Experience with GraphQL integrations . Experience with data migration or legacy system modernization . Experience designing API-first platforms . Familiarity with observability practices (logging, metrics, tracing). Understanding of database partitioning and query optimization patterns . Reasons Why You Would Enjoy Working With Us We work in the latest technologies and with international clients, and our projects are polished from < to /> - learn about some of the projects we have completed. We organize TechTalks, meet-ups and create guilds where we exchange knowledge - you can learn a lot from your teammates. We have a close-knit team and we make sure to have regular integrations - we often go out to celebrate together. You can work remotely or choose to work from our offices in Wroclaw or Bielsko-Biala. However, we count on your openness to occasionally visit the office for team meetings or client visits, or possible occasional trips to the client's headquarters. You can adjust your working hours to suit your needs, starting your day between 7:00 and 10:00 am. You can work with great specialists in their fields who also have a sense of humor and other after-hours hobbies. It is the people who create the unique atmosphere and relaxed atmosphere at CSHARK. We have a flat structure - we are not a corporation and don't want to be one 🙃. We offer bonuses for employee referrals (from 3000 PLN to 7000 PLN). We organize remote English classes and provide access to the company library. You can also become an author/author of articles published on our technical blog - https://cshark.com/blog/ .