Full-stack Engineer

• Write code in C# / .NET (the role requires substantial hands-on coding)
• Technically lead the Billing Squad: code review, mentoring, participating in hiring
• Communicate with VP and C-level stakeholders, transform business requirements into technical tasks
• Design and evolve microservices architecture using Docker
• Work with PostgreSQL, RabbitMQ (or equivalents)
• Apply architectural patterns: SOLID, TDD, DDD, Event Sourcing, CQRS
• Participate in developing the billing/payments/invoicing domain, ERP integrations

Team Lead Software Engineer – Billing Squad

Backend Engineer

• Design and implement graph-based search services.
• Develop applications using Java, Spring Boot, Spring, GraphQL, and GraphQL Federation.
• Integrate with databases, web services, or AWS services (Neo4j, DynamoDB, RDS, S3, Parameter Store, SQS, SNS, Kinesis) to support ingestion, storage, and messaging pipelines.
• Champion clean code, SOLID principles, and engineering best practices, setting standards and mentoring engineers.
• Collaborate with product managers and engineering teams to deliver advanced search and recommendation features.
• Ensure robust monitoring and logging with New Relic and Coralogix, driving reliability and performance.

Senior Software Engineer, Java/Spring

• Define and execute the engineering strategy, ensuring alignment with product and business goals and enabling the team to deliver effectively at scale
• Partner with the VP Technology and VP Product to translate roadmap priorities into executable engineering plans
• Define and execute the technical strategy for our high-performance, low-latency backend services (Prebid Server, Yield Manager, data ingestion), ensuring scalability and reliability
• Lead, coach, and grow developers, fostering a culture of accountability, growth, and high performance
• Own org design across the team — headcount planning, team structure, hiring pipelines, and onboarding
• Hold team members accountable for outcomes, addressing underperformance directly and effectively when needed
• Design and continuously improve the systems, processes, and rituals that keep the team aligned, unblocked, and consistently delivering
• Establish clear development KPIs and hold the team accountable for delivery, quality, and velocity metrics
• Identify and remove systemic blockers across products and developers before they become bottlenecks
• Establish clear ownership and decision-making frameworks to ensure alignment and reduce friction
• Drive a culture of technical excellence — code quality, system reliability, scalable architecture, and sound engineering practices
• Build and maintain relationships with key external partners, vendors, and the broader engineering community
• Ensure adoption of modern Go best practices, focusing on performance, concurrency patterns, and microservices architecture
• Oversee key infrastructure and migration efforts (e.g., Kubernetes, ClickHouse backups), collaborating with engineers to mitigate single points of failure and production risks.

Engineering Manager – Go Backend

• Build agents that investigate incidents. They surface anomalies, answer "why is production broken?", and use ClickStack as their substrate.
• Write skills, not just prompts. Build a library of reusable skills that captures how our team debugs, finds root causes, writes ClickHouse queries, and runs incident response, so agents pick up the right playbook instead of starting from scratch.
• Own the agent stack end-to-end. Context engineering, tool design, evals, tracing, cost. You're responsible for whether the agent works in production.
• Make ClickStack a great place to run AI workloads. Build the MCP servers, SDKs, and integrations that let customers' agents read telemetry, take action, and stay observable themselves.
• Work in the open. Collaborate with OSS contributors and customers, debug their problems alongside them, and feed what you learn back into the product.
• Tackle the hard parts. Latency, cost, context window limits, eval coverage, hallucinations on real telemetry.

AI Product Engineer

• Design and maintain the A/B testing infrastructure for our website and mobile app
• Build data pipelines that capture user behavior and surface experiment results clearly and quickly
• Instrument analytics so we always know what's happening and why
• Implement test variants from copy tweaks to new onboarding flows to feature experiments
• Define success metrics and measure the true impact of each change
• Analyze results, document learnings, and translate findings into next steps
• Proactively generate hypotheses based on data, user behavior, and best practices from high-growth companies
• Prioritize and pitch ideas for greenlight; own execution on approved experiments
• Stay close to the product and business to identify the highest-leverage growth opportunities

Growth Engineer

• Build and maintain market connections, data pipelines, and forecasting workflows
• Develop tools for daily trading operations
• Collaborate with the Optimizer Quant team
• Automate processes in energy storage and market optimization

Commodity Trading Developer, Python

Software Engineer

• Support the preparation of a new release of the JChat Java Client.
• Support the preparation of a new release of the JChat Web Client.
• Support the preparation of a new release of the JChat Openfire Server.
• Support the preparation of a new release of the M-Link server for JChat.
• Represent the JChat team in test events.
• Maintain the development pipeline.

JChat Engineering Support – NS

• Lead Stolt-Nielsen’s global architecture and engineering function, ensuring scalable, secure and future-ready technology platforms across the business.
• Working closely with the CIO, translate business strategy into technology and AI roadmaps.
• Drive enterprise architecture and governance, and lead the development of the company’s AI strategy and capabilities.
• Oversee engineering standards, platform strategies and digital transformation initiatives.
• Lead a global multidisciplinary team and provide strategic insights on technology investments and portfolio performance.

Director, Architecture, Engineering & AI

• Bidders shall submit a proposal clearly providing required information.
• Evidence of successfully delivering one to three projects of similar scope to this statement of work within the last five years.
• CVs of the proposed contractor personnel for the project.
• Participate in kick-off meetings.
• Maintain and update the development backlog, including progress reporting, comments, risk identification, and issue tracking.
• Participate in development sprints, working on agreed JIRA tickets.
• Support FORACS Ranges in testing IDATS software either remotely or via on-site participation.
• Support formal knowledge handover sessions prior to contract completion.

Senior Software Developer – NS

Frontend Engineer

• Together with our world-class marketing team, you will be responsible for translating web design and data requirements into a compelling website that aligns with our corporate brand and delivers the highest level of usability.
• You will be responsible for integrating the website with our CMS system.
• You actively contribute to concept development, conduct visual validation through prototypes, and ensure a smooth handover from design to implementation.
• Developing a website: writing code for the front end
• Connecting front end to CMS system (based on GraphQL)
• Ensuring a good user experience: creating fast, clear, and mobile-friendly websites.
• Maintaining and improving: fixing bugs, implementing updates, and adding new features.
• Testing and security: identifying errors, testing websites on various devices, and ensuring strong security and performance.
• Collaboration and optimization: working with designers and other teams, and sometimes considering SEO and accessibility.

Web Developer Intern

• Building MCP server infrastructure that doesn't yet exist
• Connecting it to a growing roster of AI and LLM providers
• Ensuring MCP servers live and serve at least two new Toqan products within twelve months
• Achieving measurable gains in backend service reliability and deployment frequency
• Collaborating with product and platform colleagues to ship end-to-end solutions
• Reviewing the state of the MCP server infrastructure
• Checking integration health across AI model providers

Senior Backend Engineer, Go – AI Platform

• build scalable, high-performance backend solutions that power modern data-driven platforms in a cloud-first environment
• design and develop robust backend services
• play a key role in shaping API-driven data processing and orchestration frameworks
• leverage asynchronous Python (asyncio) to deliver efficient, scalable solutions
• seamlessly integrate with Azure data services such as ADLS, ADF, and Databricks
• maintain high code quality through comprehensive testing with Pytest
• contribute to continuous improvement through code reviews and performance optimization
• deliver end-to-end solutions that drive real business value
• contribute to CI/CD pipelines and modern, containerized deployments

Senior Software Engineer

• Own and build all third-party POS integrations (Oracle, NCR, ParTech, etc.).
• Develop API bridges, webhooks, and data synchronization layers between our AI and restaurant systems.
• Leverage AI agents to 10x your development speed, but remain in full control - debugging, optimizing, and ensuring reliability.
• Deep debugging & optimization - you don’t just trial-and-error; you understand, diagnose, and solve complex issues at the root level.
• Deploy, scale, and maintain services on Google Cloud (Cloud Run, Kubernetes, Firestore/NoSQL, Cloud SQL) and AWS (Lambda, DynamoDB, API Gateway, S3).
• Write high-quality, deeply tested code with pytest, unit tests, integration tests, and mocking frameworks.
• Use Postman to design, test, and validate API interactions.
• Ship fast and iteratively – we do weekly demos, deploy frequently, and move at startup speed.

Senior Python Developer – Integrations

• You will contribute to functional and technical design and development of well-structured software products.
• You will contribute to the maintenance of existing code bases.
• You will be using JavaScript, NodeJS, Graphql, Typescript, Rust, Mongodb.
• Producing high-quality code for our software solutions.
• Keeping the software documentation up to date.
• Software testing and ensuring high quality.
• Define and implement software products as a member of the development team.
• You will participate in all the scrum ceremonies such as Retrospective, refinement, sprint planning, demos etc. Where you can share your valuable feedback.

Full Stack Intern

• Design and scale AI-powered healthcare platforms and distributed systems
• Build and optimize agent-based architectures and orchestration systems
• Develop secure healthcare data infrastructure and enterprise integrations
• Work on systems leveraging LLMs, AI agents, reinforcement learning, and modern AI technologies
• Improve system performance, reliability, scalability, and clinical accuracy
• Collaborate closely with founders and a highly technical engineering team
• Take ownership of technical decisions from architecture through deployment

Principal Software Engineer – Healthcare AI

iOS Engineer

• Lead and work with Javi, Andrii, Orcun, Arne, Lieneke, Daniil, Rosa, Dmytro, Azat and Paulo (our iOS developers) on all things related to our app.
• Partner with Jimmy, our iOS Tech Lead, to balance technical excellence with strong people leadership across the iOS team.
• You will spend approximately 40% of your time leading our iOS discipline, and 60% in the role of a senior engineer working on our app.
• Daily interactions with product managers, designers, other engineers, and the rest of our team, we believe in a deeply collaborative environment.
• Proactively improving our app's maintainability, resiliency, and extensibility, addressing technical debt when needed or even better, preventing it when it makes sense.

iOS People Lead

• As a Product Engineer at Zanders, you bridge financial domain expertise and modern AI tooling to deliver product outcomes fast
• You work closely with Product Owners and domain specialists to deeply understand what a feature needs to achieve in its business context — and then use AI-powered development to turn that understanding into working software, quickly
• You are an outcome driver
• You know how financial products, workflows, and data behave in the real world, and you use that knowledge — combined with modern AI tools — to move from concept to near-final implementation with minimal handovers and short feedback loops
• Our established engineering team supports and refines what you build, so you can focus on getting the right thing built, fast.

Product Engineer

• Contribute to the full development lifecycle: from discovery and decomposition to designing, building, and deploying bespoke solutions for customer challenges.
• Design and develop robust, full-stack software, including front-end, back-end, data integration, cloud infrastructure (e.g., AWS), and CI/CD pipelines.
• Work directly with customers to understand their operational challenges and translate them into clear technical requirements.
• Identify reusable patterns in customer solutions to inform broader platform development.
• Leverage the latest AI tooling and an AI-first mindset to drive rapid iteration, deliver value quickly, and adapt to evolving requirements with a bias for action.
• Mentor other engineers, contribute to code reviews, and help foster a collaborative team environment.
• Deliver critical commitments on time, understanding their direct impact on customer relationships and business objectives.

Senior Software Engineer, Strategic Customer Engagements

• Develop and maintain advanced C++ software for air traffic control operator workstations and automation tools;
• Contribute to the implementation of new operational features that support air traffic controllers in managing air traffic safely and efficiently;
• Work closely with software engineers, system specialists and operational experts to design, develop, test, and integrate new functionalities;
• Participate in the full software development lifecycle, including analysis, implementation, testing, debugging and deployment;
• Support the integration of automation capabilities into live operational systems;
• Improve existing applications and contribute to system reliability, performance and usability enhancements;
• Collaborate with an agile, multidisciplinary engineering team on large-scale technical projects;
• Assist with troubleshooting, maintenance activities and technical investigations related to operational software systems;
• Produce and maintain technical documentation related to software development and system implementation;
• Ensure developed solutions comply with operational, safety and quality standards.

HMI Programmer, C++

• Design, build, and maintain scalable services that support the AI lifecycle, working closely with the research team to translate cutting-edge ideas into production-ready solutions
• Develop tools for pre/post-processing data for AI and other usage
• Develop tools for collecting and processing data
• Design scalable pipelines for data collection, processing, and transformation powering next-generation AI systems
• Bring new models and features to production at scale with Triton Inference Server, ONNX, and TensorRT
• Work across the spectrum from rapid MVPs and experimental prototypes to robust, long-term production-grade solutions
• Work closely with ChatGPT API, LangChain

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