Principal Software Engineer

🏢 Summary: Principal Platform Engineer role focused on backend architecture, complex platform engineering, and technical leadership in a SaaS environment supporting advanced manufacturing operations. The position involves defining engineering standards, solving performance and scalability challenges, mentoring engineers, and driving architectural decisions using .NET and Azure technologies. This is a senior individual contributor role with hybrid work in Kraków. 🗂️ Requirements: 8+ years of backend engineering experience, Expert knowledge of C#, Advanced experience with modern .NET, Experience in Staff Engineer, Principal Engineer, or Senior Tech Lead role, Experience designing and owning large-scale monolithic and distributed systems, Expert-level SQL and database design skills, Experience optimizing slow production queries, Strong expertise with Entity Framework, Knowledge of DDD, Knowledge of clean architecture, Experience with test automation strategies, Strong English communication skills, Experience mentoring engineers and leading technical discussions, Hands-on experience with AI coding tools 📃 Skills: C#, .NET, SQL, EntityFramework, DDD, Azure, Angular, MassTransit, OpenTelemetry, Grafana, AzureDevOps, CI/CD, Cursor, Claude, AzureSQL 🏢 Description: Principal Platform Engineer at Manufacturo 190-260 PLN/H Hybrid – Kraków or Remote B2B role Manufacturo powers operations for companies building satellites, fusion reactors, next-generation aircraft, and hypersonic vehicles. Our clients are working on some of the most advanced industrial programs in the world — and they rely on software that can keep up. Companies such as Hermeus, Relativity Space, and Sierra Space use Manufacturo to run complex manufacturing operations with greater control, traceability, and speed. We're a SaaS company with a team that includes former leaders from SpaceX. We move fast, operate globally, and make decisions swiftly - because the people we serve can't afford anything less. Your voice will be heard here, and the work you do will have a real impact on the world. We are hiring a Principal Software Engineer to help shape the technical future of our platform. This role is for someone who wants to solve hard backend problems, guide architecture with sound judgment, and raise the level of other engineers through mentorship, communication, and strong engineering standards. The Role As a Principal Platform Engineer at Manufacturo, you'll work at both levels: deep in the hardest problems on the platform, and wide enough to set the standard for others to follow. You'll define the architecture, raise the quality bar, and make sure the right technical decisions are made, not by directing from a distance, but by being the person in the room whose opinion carries weight because the work backs it up. This role requires both deep hands-on technical contribution and the ability to multiply the impact of others. We need someone who can take on the hardest problems while also helping senior developers and leads make better technical decisions through teaching, feedback, and clear standards. You will report directly to the Director of Software Engineering and act as their technical partner across the organization. This is a individual contributor role with no people management responsibilities. You should be comfortable working in a high-change environment where priorities evolve, new information appears quickly, and strong technical judgment is needed to keep teams moving in the right direction without losing quality. What you'll do Own the architecture and technical direction of the platform’s core Tackle the hardest engineering problems, including performance bottlenecks, complex integrations, and architectural evolution Define and evolve backend engineering standards across all teams Lead design reviews and author RFCs/ADRs for high-impact technical decisions Partner with the Director of Software Engineering, Product, and engineering leadership to assess technical feasibility early, shape direction, and resolve tradeoffs before they become delivery problems Mentor senior engineers code reviews, architecture workshops, pair programming, technical discussions, and tech talks that improve how the organization designs, builds, and operates software Raise the quality bar across the backend through example, teaching, and clear standards Required skills & experience 8+ years of backend engineering experience, with deep, proven mastery of C# and modern .NET A demonstrated track record operating successfully in a Staff Engineer, Principal Engineer, or Senior Tech Lead role Proven experience architecting, building, and owning large, complex systems end-to-end, including both monolithic and distributed architectures Expert-level SQL and database design skills, including diagnosing slow queries in production and designing schemas that hold up under real load Deep practical expertise with Entity Framework, including performance tradeoffs, query behavior, and data access strategy Strong architectural judgment and experience applying concepts such as DDD and clean architecture pragmatically A strong quality mindset, including test automation strategy and clear standards for what “done” means Strong written and verbal communication skills in English — you are comfortable explaining technical tradeoffs, mentoring other engineers, leading code reviews, and facilitating architecture discussions Enthusiasm for and hands-on proficiency with AI coding tools such as Cursor and Claude Code as productivity multipliers Nice to have You'll stand out if you bring any of the following: Hands-on experience with cloud infrastructure at scale, with Azure being a strong advantage Experience with Angular or a modern frontend framework - enough to make informed architectural decisions across the full stack Familiarity with Azure DevOps and CI/CD pipeline design at an organizational level, not just usage Experience designing for compliance-driven deployment constraints - data sovereignty, tenant isolation, and schema management across numbers of independent databases Background or genuine curiosity about Manufacturing Execution Systems (MES) -understanding the domain makes the hardest problems tractable Our tech stack Backend: .NET, C#, Entity Framework, SQL Server / Azure SQL Messaging: Azure Service Bus, MassTransit Observability: OpenTelemetry, Grafana stack Frontend: Angular, our own Angular Component Library Cloud: Azure CI/CD: Azure DevOps AI tooling: Cursor, Claude Code, and other modern AI-assisted development tools What you’ll get in return Real authority, real access. Direct collaboration with the CPO and Director of Development. Your decisions will be heard, debated, and acted on - with organizational backing to make standards stick. Customers building the next century. Rockets, fusion reactors, hypersonic systems. The problems you solve here have consequences that matter. People who will match you. You'll work alongside engineers and leaders with backgrounds from SpaceX and other high-bar organizations. Expect to be challenged, not just followed. AI at the foundation, not the edge. You'll be building the architecture that makes AI native to the platform - not retrofitting it later. Hybrid working with three days in our Kraków office, comprehensive healthcare including life insurance, and a Multisport Card. This role is for someone serious about their craft. If that is you, we would like to talk.

🏢 Summary: Senior Platform Engineer role focused on building high-performance internal platform products and APIs for a global trading environment, treating infrastructure as software. The position centers on developing production-grade Go/Python solutions, Kubernetes Operators, and automation to enable scalable, resilient systems. It combines platform engineering, SRE practices, and hybrid cloud integration in a low-latency setting. 🗂️ Requirements: 7+ years experience in SRE or Platform Engineering, Strong software engineering mindset, Expert-level Go or Python proficiency, Ability to build full products/services in Go or Python, Deep knowledge of Kubernetes, Experience building Kubernetes controllers/operators, Proficiency in Terraform (IaC), Experience automating SDLC processes, Experience designing RESTful APIs, Experience with observability in distributed systems, Solid understanding of AWS, Experience integrating cloud with on-premises environments 📃 Skills: Go, Python, Kubernetes, Terraform, AWS, REST, SDLC, Observability, IaC 🏢 Description: Senior Platform Engineer Are you an engineer who views infrastructure as a software problem? We are looking for a Senior Platform Engineer to join our global Platform Engineering team. In this role, you won't just be managing cloud resources—you will be architecting and building high-performance internal products that empower our quants and traders to operate at the highest level. The Offer Salary: Up to 50,000 PLN gross/month (UoP). Location: Hybrid ( 3 days a week from our Warsaw office). Impact: Build internal products and APIs that define how our global teams deploy and scale. Modern Tech: Focus on writing production-grade Go/Python and building K8s Operators . Environment: A high-stakes trading sector where engineering excellence and code quality are the standard. Core Responsibilities Product Engineering: Develop and architect common platform solutions with a focus on high-quality, maintainable code. Developer Autonomy: Build internal APIs and custom tooling to streamline the developer experience across the firm. Infrastructure as Software: Write production-grade code (Go/Python) for infrastructure automation, optimization, and custom orchestration. SRE Advocacy: Champion SRE practices by implementing testable, resilient, and highly available software solutions. High-Performance Collaboration: Partner with Quant and Trading teams to optimize service stability and performance in a low-latency environment. Requirements Experience: 7+ years in SRE or Platform Engineering roles with a strong Software Engineering mindset . Coding Mastery: Exceptional skills in Go or Python (you should be comfortable building full products/services, not just basic scripts). K8s Expertise: Deep knowledge of Kubernetes , including orchestration and building custom controllers/operators . Automation: Proficiency in Terraform (IaC) and experience automating complex SDLC processes. System Design: Experience with RESTful APIs and building observability for complex distributed systems. Hybrid Cloud: Solid understanding of AWS and managing integration with on-premises environments. Why Join Us? This isn't a traditional "Ops" role. We are building a platform that functions as a product. If you are a software engineer who is passionate about infrastructure, scalability, and clean code, you will thrive in our culture of technical rigor and innovation. Apply today to help us build the backbone of global institutional investing.

🏢 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: Senior-level Principal Engineer role focused on building and scaling full-stack web applications using the MERN stack within a cloud-native Azure environment. The position drives architecture, microservices, API-first and event-based integrations while leading complex technical initiatives in a Scrum team. The role combines deep technical expertise with hands-on leadership in DevOps, security, data, and modern web technologies. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering or related field, Around 10 years of experience in software engineering, Experience in senior technical leadership role (Senior/Principal/Team Lead), Strong experience with Azure Cloud and Azure services, Expertise in JavaScript and modern JS frameworks (React.js, Node.js, Remix.js), Experience with database technologies (MongoDB, PostgreSQL, MySQL), Experience with DevOps practices and infrastructure-as-code, Experience with containers and Kubernetes (AKS), Understanding of headless CMS architecture (Contentful), Experience with scripting in Python in cloud environments, Knowledge of DevSecOps security practices, Experience with Azure Data tools (Databricks, Synapse), Experience with code quality and security tools, Experience working in Agile/Scrum environments 📃 Skills: JavaScript, React, Node.js, Remix.js, MongoDB, PostgreSQL, MySQL, Azure, Databricks, Synapse, Python, Kubernetes, AKS, Terraform, GitHub, GitHubActions, SonarQube, Datadog, Contentful, PowerApps, SQL, Vue.js 🏢 Description: The Principal Engineer is experienced software engineer specialising in MERN tech stack to build scalable, high-performance web solutions. This individual will play a crucial role in the development process, accelerating delivery of full-stack web applications. The Principal Engineer will act as the highest skilled Individual Contributor and will cooperate closely with Media, Content and Commerce team supporting Marketing . The team operates within Scrum framework to deliver value to Consumer Healthcare business. The team supports variety of applications composed of different technologies like React.JS, Node.JS, Vue.JS, Python, Databricks, Kubernetes, PowerApps, Azure Synapse Analytics, database technologies like PostgreSQL, MongoDB, Microsoft SQL. 📍 Remote from Poland The Principal engineer will champion best practices in software engineering including micro-services architecture, API-First and event based integration, Cloud Native/SaaS hosting and Headless CMS. A Good candidate should have knowledge of: The Principal Engineer is the most senior Individual Contributor (IC) and excels through in depth technical knowledge of specific technical domains. Contributes to their team or domain meeting goals through successfully leading and consistently delivering on projects of highly ambiguous scope, high complexity and critical business impact. Can be deployed to highest priority business problems or fires, can quickly resolve them and help the business understand how to avoid them in future. Proactively contributes to the betterment of other engineers in the company, through sponsoring, mentoring and providing constructive, candid feedback. Proactively gives technical and strategic feedback on projects relevant to their expertise that leads to better outcomes. Directly impacts the trajectory of the company both through working on the most impactful problems and being able to bring about change with effective momentum. Links technical contribution back to business impact for their team or area and helps others to buy into this. Consistently leads their team to good outcomes from a technical perspective, ensuring appropriate engineering decisions are made to factor in technical debt, systems design, stability/reliability, monitoring/observability and business need. Is regularly recognized in their team and collective for highly impactful technical contributions of the highest quality. Proposes changes to technical scope to handle changing business priorities or urgency. Leads the refactoring of complex systems or problems when it is warranted. Can make pragmatic trade-offs between perfection and technical debt which aligns with our priorities as a business, including how to repay debt. Has the skills to competently work on complex and unknown problems under pressure (e.g. debugging complex production issues at speed, or leading the resolution of critical or major incidents) Can demonstrate their technical skills outside of code, and leads the design process for complex technical problems in their team or collective. Contributes to architecture forums, takes part in initiatives to improve the practices of the engineering discipline. Can clearly and confidently articulate risk of technical problems to non technical stakeholders (e.g legal, compliance) Communicates effectively when representing Engineering to external stakeholders (e.g auditors, regulators, third-parties, or industry groups) when appropriate Actively and regularly offers well considered contributions to the roadmap of their team or business area. Fosters effective collaboration between product, engineering and architecture. Demonstrates product-awareness. Offers valuable contributions to quarterly planning rituals, and works with the PM or team lead on setting the vision for a team. Ensures their team is focusing on work that will drive forward quarterly goals or business objectives, whilst reducing the operational impact for engineers and Ops. Repeatedly consulted for advice by engineers from different teams or collectives. Proactively stays up to date with technology trends in their area, and uses this knowledge to contribute thoughts on their team’s strategy. Works to enable groups of others to improve coding standards and awareness of best practices around non-functional requirements (e.g. performance, testability, scale, security) Tackles problems before they can do harm, knowing which levers to pull to make change happen. Key Roles & Responsibilities Leads the refactoring of complex systems or problems when it is warranted. Can make pragmatic trade-offs between perfection and technical debt which aligns with our priorities as a business, including how to repay debt. Has the skills to competently work on complex and unknown problems under pressure (e.g. debugging complex production issues at speed, or leading the resolution of critical or major incidents) Can demonstrate their technical skills outside of coding, and leads the design process for complex technical problems in their team or collective. Articulates risk of technical problems to non technical stakeholders (e.g legal, compliance) and  Communicates effectively when representing Engineering to external stakeholders (e.g auditors, regulators, third-parties, or industry groups) when appropriate Actively and regularly offers well considered contributions to the roadmap of their team or business area. Fosters effective collaboration between product, engineering and architecture. Qualifications and skills Strong experience with Azure Cloud and Azure services Technical expertise in one or more technology domains and programming languages (e.g. Java, Javascript) , database technologies (e.g. MongoDB, PostgreSQL, MySQL) and release & configuration management tools. Technical expertise in JavaScript frameworks (Remix.js. Node.js, React.js) Understanding of  headless CMS architecture, i.e. Contenful Experience with scripting languages (preferably Python) in cloud environments with a focus on IaaS, PaaS Comprehensive understanding of modern DevOps platform technologies (e.g. GitHub Actions) incl. infrastructure-as-code (e.g. Terraform) and containers (e.g. Kubernetes, AKS) Knowledge of Security Practices for DevSecOps Knowledge of Azure Data (DataBricks , Synapse Studio) , AI (Open AI , AI Search) tools Experience with code quality and code security tools (i.e.: SonarQube, Github Advanced Suite). Experience with observability tools e.g. Datadog Experience with Atlassian suite Extensive experience with agile methodologies Experience working in a cloud native environment (Azure desirable) Working knowledge of Scrum based Agile development Job Requirements and Qualifications: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field – or equivalent practical experience. Around 10 years of experience in software engineering, with experience in leadership role (e.g. Senior/Principal Software Engineer, Team Lead). Proven experience with architecture and solution design in software engineering. Deep domain & Engineering management expertise and experience. Demonstrable tech leadership. Experience working with geographically distributed teams or vendor partners. Exposure in managing web hosting platforms/teams. Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 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 Backend Engineer responsible for designing, building, and maintaining production-grade backend systems that power AI-driven business automation. The role covers full ownership from system design to deployment, focusing on scalable, reliable distributed systems and cloud infrastructure. This is a Warsaw-based, office role with strong emphasis on technical leadership and AI-supported development workflows. 🗂️ Requirements: Senior-level experience in backend engineering on production systems, Strong Python programming skills, Experience with distributed systems concepts, Experience with cloud platforms (AWS, Azure, or similar), Knowledge of SQL and NoSQL databases, Ability to design, implement, and deliver systems to production, Strong written and spoken communication skills, Regular use of AI tools in development workflows 📃 Skills: Python, AWS, Azure, SQL, NoSQL, DistributedSystems, Concurrency, AsynchronousProcessing, APIs, Cloud, GitHubCopilot, OpenAI, Claude, TypeScript 🏢 Description: 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 Principal Software Engineer role focused on designing and delivering enterprise-scale software and AI-powered platform solutions in a global engineering environment. The position involves technical leadership, software architecture, CI/CD automation, and development of AI systems using large language models and embedding technologies. The role also includes mentoring engineers, driving engineering standards, and contributing to large-scale cloud and digital transformation initiatives. 🗂️ Requirements: 10+ years of Software Engineering or Platform Engineering experience, Proficiency in C# or Java or Python, Experience designing, developing, and debugging enterprise applications, Hands-on experience with CI/CD pipelines, Experience with GitHub, Experience with Azure DevOps, Experience building AI-powered applications using LLMs, Experience fine-tuning language models, Knowledge of embedding models and semantic search, Experience designing agentic AI systems, Ability to create AI evaluation frameworks and benchmarking, Strong understanding of software engineering principles and architecture, Bachelor's degree in Computer Science, Engineering, IT, Mathematics, or related field 📃 Skills: C#, Java, Python, GitHub, Azure, AzureDevOps, CI/CD, LLMs, AI, Kubernetes, Docker, AWS, GCP, Agile 🏢 Description: About the Client Our client is a global professional services organization that helps leading enterprises deliver digital transformation, technology modernization, and AI-driven innovation. Operating across multiple international markets, the company partners with organizations to build scalable, secure, and business-focused technology solutions. About the Role We are looking for an experienced Principal Software Engineer to join a global engineering team delivering enterprise-scale technology solutions. In this role, you will take ownership of designing, developing, and maintaining complex software and platform solutions while ensuring they align with both business and technical requirements. You will collaborate closely with engineering and architecture teams, solve complex technical challenges, and provide technical leadership throughout the software development lifecycle. This position also involves driving engineering standards, mentoring team members, and contributing to continuous improvement initiatives. Key Responsibilities Lead the design, development, delivery, and maintenance of software and platform solutions. Develop high-quality, scalable, and maintainable code while performing debugging, testing, and troubleshooting. Provide technical leadership and guidance across engineering teams. Collaborate with software engineers and architects to design innovative technical solutions. Ensure engineering best practices, coding standards, and development processes are consistently followed. Drive continuous improvement initiatives across development and platform engineering. Support CI/CD implementation and software delivery automation. Requirements Must Have 10+ years of professional experience in Software or Platform Engineering. Strong programming skills in at least one of the following languages: C# Java Python Extensive experience designing, developing, and debugging enterprise applications. Hands-on experience with CI/CD pipelines and automation tools such as GitHub and Azure DevOps. Experience building AI-powered applications using Large Language Models (LLMs). Experience fine-tuning language models for use cases such as text generation, summarization, or question answering. Strong understanding of embedding models and their applications, including semantic search, similarity matching, clustering, and information retrieval. Experience designing and implementing agentic AI systems that integrate language models with external tools and services. Ability to design evaluation frameworks for AI models, including performance benchmarking, metrics development, and A/B testing. Strong understanding of software engineering principles, architecture, and development best practices. Nice to Have Experience with Kubernetes and Docker. Cloud certifications (Microsoft Azure, AWS, or Google Cloud). Experience working with Agile or other modern software delivery methodologies. Bachelor's degree in Computer Science, Engineering, Information Technology, Mathematics, or a related field. What We Offer Opportunity to work on large-scale international technology and AI transformation projects. Exposure to modern cloud technologies, enterprise platforms, and cutting-edge AI solutions. Collaborative environment with highly experienced engineering and architecture teams. Opportunities for continuous learning, technical growth, and professional development. A culture that encourages innovation, knowledge sharing, and continuous improvement. The opportunity to take ownership of complex technical initiatives and make a meaningful impact on enterprise-scale solutions.

🏢 Summary: Senior engineering role focused on designing and delivering enterprise-scale software and AI-powered platform solutions. The position involves technical leadership, hands-on development, CI/CD automation, and building applications using large language models and agentic AI systems. Candidates will work on global digital transformation and cloud modernization projects in a collaborative engineering environment. 🗂️ Requirements: 10+ years in Software or Platform Engineering, Proficiency in C# or Java or Python, Experience designing and debugging enterprise applications, Hands-on experience with CI/CD pipelines, Experience with GitHub, Experience with Azure DevOps, Experience building AI-powered applications with LLMs, Experience fine-tuning language models, Knowledge of embedding models and semantic search, Experience designing agentic AI systems, Ability to create AI evaluation frameworks and benchmarking, Strong understanding of software engineering principles and architecture 📃 Skills: C#, Java, Python, GitHub, Azure, DevOps, LLMs, AI, Kubernetes, Docker, AWS, GCP, CI/CD, Agile 🏢 Description: About the Client Our client is a global professional services organization that helps leading enterprises deliver digital transformation, technology modernization, and AI-driven innovation. Operating across multiple international markets, the company partners with organizations to build scalable, secure, and business-focused technology solutions. About the Role We are looking for an experienced Principal Software Engineer to join a global engineering team delivering enterprise-scale technology solutions. In this role, you will take ownership of designing, developing, and maintaining complex software and platform solutions while ensuring they align with both business and technical requirements. You will collaborate closely with engineering and architecture teams, solve complex technical challenges, and provide technical leadership throughout the software development lifecycle. This position also involves driving engineering standards, mentoring team members, and contributing to continuous improvement initiatives. Key Responsibilities Lead the design, development, delivery, and maintenance of software and platform solutions. Develop high-quality, scalable, and maintainable code while performing debugging, testing, and troubleshooting. Provide technical leadership and guidance across engineering teams. Collaborate with software engineers and architects to design innovative technical solutions. Ensure engineering best practices, coding standards, and development processes are consistently followed. Drive continuous improvement initiatives across development and platform engineering. Support CI/CD implementation and software delivery automation. Requirements Must Have 10+ years of professional experience in Software or Platform Engineering. Strong programming skills in at least one of the following languages: C# Java Python Extensive experience designing, developing, and debugging enterprise applications. Hands-on experience with CI/CD pipelines and automation tools such as GitHub and Azure DevOps. Experience building AI-powered applications using Large Language Models (LLMs). Experience fine-tuning language models for use cases such as text generation, summarization, or question answering. Strong understanding of embedding models and their applications, including semantic search, similarity matching, clustering, and information retrieval. Experience designing and implementing agentic AI systems that integrate language models with external tools and services. Ability to design evaluation frameworks for AI models, including performance benchmarking, metrics development, and A/B testing. Strong understanding of software engineering principles, architecture, and development best practices. Nice to Have Experience with Kubernetes and Docker. Cloud certifications (Microsoft Azure, AWS, or Google Cloud). Experience working with Agile or other modern software delivery methodologies. Bachelor's degree in Computer Science, Engineering, Information Technology, Mathematics, or a related field. What We Offer Opportunity to work on large-scale international technology and AI transformation projects. Exposure to modern cloud technologies, enterprise platforms, and cutting-edge AI solutions. Collaborative environment with highly experienced engineering and architecture teams. Opportunities for continuous learning, technical growth, and professional development. A culture that encourages innovation, knowledge sharing, and continuous improvement. The opportunity to take ownership of complex technical initiatives and make a meaningful impact on enterprise-scale solutions.

🏢 Summary: Technical leadership role focused on designing and delivering a cloud‑native flagship product on AWS. The position combines hands‑on full‑stack development (C#/.NET Core and Angular/React) with architecture ownership, microservices design and mentoring engineers. Hybrid work model with strong impact on technical direction and engineering standards. 🗂️ Requirements: 8+ years of software development experience, Experience in senior or tech‑lead role, Expertise in C# and .NET, Experience with microservices architecture, Experience with AWS cloud architecture, Experience with Angular or React, Full‑stack development experience, Very good English (B2+) 📃 Skills: C#, .NET, AWS, Angular, React, Microservices, CI/CD 🏢 Description: Principal Software Engineer (Fullstack) Location: Gdańsk (Przymorze) – hybrid (3 days office, 2 days remote) About the role: Act as a technical leader in a cross‑functional Engineering Workbench R&D team. Design strategic architectures and frameworks for a flagship cloud‑native product on AWS. Lead development of microservices and web applications using C#/.NET Core and Angular/React. Mentor engineers and drive best practices in code quality, security and CI/CD. Requirements: 8+ years of experience in software development, including senior/tech‑lead roles. Deep expertise in C#/.NET , microservices and cloud architectures ( AWS ). Full‑stack skills with modern frontend frameworks (Angular/React) . Strong product mindset, high ownership, excellent collaboration and communication skills. Very good English (B2+), curiosity and drive for continuous improvement and innovation. We offer: Hybrid work model in our modern Gdańsk Przymorze office (3 days onsite, 2 remote). Employment via Antal: employment contract or B2B. Chance to shape the technical direction of a flagship product used globally. Strong engineering culture, mentoring, clear growth paths (Senior / Principal). Equipment for office and home, private medical care, Multisport, life insurance, wellbeing initiatives.