Duelbits

Frontend Engineer

• Develop a deep understanding of the Company’s frontend architecture, design systems, shared components, and data flows.
• Lead the technical design and implementation of complex frontend features, views, and workflows.
• Define and evolve frontend patterns, component structures, and state management approaches aligned with Company standards.
• Identify frontend technical debt, performance bottlenecks, or maintainability risks and propose actionable improvements.
• Contribute to tooling, libraries, and architectural decisions that impact frontend scalability and consistency.
• Design, develop, test, and deploy high-quality frontend features using React, TypeScript, and related technologies.
• Deliver responsive, performant, and accessible user interfaces across desktop and mobile devices.
• Collaborate closely with Designers to translate Figma designs into accurate, maintainable, and scalable UI implementations.
• Work with backend developers to integrate APIs cleanly and efficiently.
• Break down complex requirements into actionable frontend tasks and provide accurate effort estimates.
• Proactively remove blockers and ensure timely delivery of assigned work.
• Set a high bar for frontend code quality, maintainability, and readability.
• Write and maintain unit, integration, and UI tests where appropriate.
• Participate in and lead code reviews, providing clear, constructive technical feedback.
• Ensure frontend implementations meet non-functional requirements, including performance, accessibility, security, and reliability.
• Diagnose and resolve complex frontend issues, including production bugs and performance regressions.
• Produce and maintain clear documentation for frontend systems, components, and patterns.
• Promote best practices around performance optimisation, accessibility (a11y), observability, and frontend security.
• Participate in internal demos, technical discussions, and continuous improvement initiatives.
• Work closely with Product Managers, Designers, QA Engineers, and Engineering leads to ensure aligned and predictable delivery.
• Provide visibility into frontend risks, dependencies, and technical constraints.
• Offer informal mentorship, guidance, or pair-programming support to other frontend or full stack developers when requested.
• Support onboarding of new contributors by providing frontend system context and documentation.

Senior Software Developer – Frontend

QA Engineer

• Lead the planning, delegation, and scheduling of QA activities for projects when allocated as the QA Lead.
• Actively coach and mentor Junior/Mid-level QA Engineers, setting expectations, completing reviews, and providing detailed feedback and oversight on their assigned work.
• Attend Project/Work Item calls as the QA/Test Lead, providing key updates regarding QA & Testing Planning and Progress.
• Report frequently to the Head of QA/QA Manager regarding QA activity progress.
• Proactively monitor BAU ‘Support’ workstream work.
• Define quality Test Plans for Project/Work Item appropriate to the Delivery Approach.
• Appropriately plan the involvement of Automation Engineers.
• Producing Test ROMs and more accurate Test Estimates.
• Responsibility for producing detailed, high-quality Test Scripts and Test Cases.
• Quality Test Execution of Testing methods including Functionality, Usability, Compatibility, Performance, Security, UI/UX & Regression testing.
• Sharing high-level QA & Testing updates to Head of QA/QA Manager.
• Actively analyse key quality metrics to drive discussions.
• Complete QA Exit Criteria and frequent quality checks during Project Execution.
• Own the entire defect lifecycle and lead cross team discussions where beneficial.
• Design, implement, and maintain regression tests following the release of new Projects/Work Items.
• Identify and Document QA/Testing Risks.

Senior QA Engineer

• Planning and executing Testing coverage on smaller ‘Support’ issues, and ‘Small Works’
• Creating Test Plans and Test Scripts for new features of work, scaling from smaller ‘Change Requests’ to larger ‘Projects’
• Producing Test Documentation, supporting Knowledge base documentation, and holding knowledge transfer sessions with the QA Team members, and the wider business
• Learning and adhering to Testing and QA best practices, striving for high standards of work
• Attending and contributing to Team and work-based meetings such as daily stand-ups, weekly checkpoints and retrospectives
• Triggering automated tests on both the frontend and backend as part of the Regression testing of frequent releases to Production
• Troubleshooting and reporting Maintenance issues on automation scripts
• Producing Test Documentation to high standards and in line with Testing Best Practices (Test Plans, Test Scripts)
• Defect Management, raising defects based on their Priority impact and severity, providing clear and concise descriptions and steps to reproduce
• Gain valuable experience in the Crypto Gambling industry across both Casino and Sports Products
• Source Control and ability to identify and read PR’s in GitHub
• Experience in using CMS tools for content management
• In the future, use of Automation tools and frameworks such as Selenium and Github, and writing automation code using C#

Junior QA Engineer

Full-stack Engineer

• Collaborate with Duelbits’ Lead Developer and technical contributors
• Engage in hands-on development, problem-solving, and iterative improvements across both frontend and backend systems
• Contribute to real-world features across our core platform

Junior Software Developer – Full Stack

Backend Engineer

• Develop a deep understanding of the Company’s backend services, system architecture, data models, and integrations
• Lead the design and implementation of complex backend features, services, and APIs
• Participate in architecture discussions, providing pragmatic recommendations aligned with scalability, performance, and reliability goals
• Identify backend technical debt, architectural weaknesses, or operational risks and propose actionable improvements
• Contribute to backend engineering patterns, service standards, and technology adoption decisions
• Design, develop, test, and deploy scalable, maintainable backend solutions
• Build secure, performant APIs and services supporting high-traffic user-facing applications
• Collaborate with frontend developers to define clear contracts and integration approaches
• Break down complex backend requirements into actionable tasks and provide accurate effort estimates
• Proactively remove blockers and ensure timely delivery of assigned work
• Support production systems through troubleshooting, incident resolution, and performance optimisation
• Set a high bar for backend code quality, maintainability, and observability
• Write and maintain unit, integration, and service-level tests
• Participate in and lead code reviews, providing clear and constructive technical feedback
• Ensure backend implementations meet non-functional requirements including security, data integrity, latency, and fault tolerance
• Diagnose and resolve complex production issues, including performance bottlenecks and system failures
• Produce and maintain technical documentation for backend services, APIs, data models, and workflows
• Promote best practices around scalability, monitoring, logging, security, and resilience
• Participate in technical demos, discussions, and continuous improvement initiatives
• Work closely with Product Managers, Frontend Developers, QA Engineers, and Engineering leads to ensure aligned delivery
• Provide visibility into backend risks, dependencies, and technical constraints
• Offer informal mentorship, technical guidance, or pair-programming support to other backend or full stack developers when requested
• Support onboarding of new contributors by providing backend system context and documentation

Senior Software Developer – Backend

• Develop a strong understanding of the Company’s systems, services, architecture, and data flows.
• Lead the technical design and implementation of complex features or services.
• Contribute to architecture discussions, providing pragmatic and scalable recommendations.
• Identify technical debt, architectural gaps, or performance risks and propose clear improvement plans.
• Contribute to engineering patterns, tooling, and technology adoption aligned with long-term technical direction.
• Design, develop, test, and deploy high-quality frontend and backend solutions.
• Deliver secure, performant, and reliable features across multiple platforms.
• Break down complex requirements into actionable tasks and provide accurate effort estimates.
• Proactively remove blockers and coordinate across teams to maintain delivery momentum.
• Support production stability through troubleshooting, incident resolution, and performance optimisation.
• Set a high bar for code quality, testing, and maintainability.
• Write and maintain unit, integration, and end-to-end tests as appropriate.
• Lead by example in code reviews, providing clear, constructive technical feedback.
• Ensure adherence to coding standards, performance expectations, and reliability requirements.
• Produce and maintain clear technical documentation for systems, features, and processes.
• Promote best practices around scalability, security, observability, and performance.
• Participate in technical demos, discussions, and continuous improvement initiatives.
• Work closely with Product, Design, QA, and Engineering leads to ensure aligned delivery.
• Provide visibility into risks, dependencies, and progress through structured communication.
• Offer informal mentorship, guidance, or pair-programming support to other developers when requested.
• Support onboarding of new contributors by sharing system knowledge and context.

Senior Software Developer – Full Stack

• Develop a solid understanding of relevant systems, services, architecture, and data flows
• Take ownership of small to medium features, services, or components from development through deployment
• Identify technical debt or improvement opportunities within your areas of responsibility and propose actionable solutions
• Implement frontend and backend features aligned with product requirements and technical standards
• Collaborate with Product Managers, Designers, QA Engineers, and other developers to deliver well-defined, user-focused functionality
• Participate in story refinement, estimation, and planning discussions, contributing realistic implementation insights
• Proactively resolve blockers and communicate progress clearly within a remote environment
• Write clean, maintainable, and well-structured code
• Create and maintain unit and integration tests to ensure reliability and coverage
• Participate in code reviews, providing constructive feedback and incorporating review comments into your own work
• Ensure contributions meet functional and non-functional expectations, including performance, security, and reliability
• Contribute to internal documentation covering features, systems, or workflows
• Ensure delivered work is documented clearly to support long-term maintainability
• Participate in demos, technical discussions, or knowledge-sharing sessions when requested
• Demonstrate increasing autonomy, accountability, and technical confidence
• Actively develop full-stack skills and apply best practices that benefit the wider engineering organisation
• Support other contributors informally through collaboration and knowledge sharing when appropriate

Mid Software Developer – Full Stack

• Collaborate with Duelbits’ Lead Developer and technical contributors.
• Engage in hands-on development, problem-solving, and iterative improvements across both frontend and backend systems.
• Contribute to real-world features across the core platform.
• Work within a modern tech environment that includes: NestJS, TypeScript, Node.js, React, Python, Angular, DynamoDB, Postgres, Redis, Cloudflare, Docker.

Business Intelligence Developer

• Work closely with the Senior Business Analyst to support data-driven decision making across the business
• Develop, maintain, and optimize SQL queries to analyze large datasets related to users, transactions, product performance, and marketing activity
• Produce recurring and ad-hoc analyses to support teams across Acquisition, CRM, Casino, Sportsbook, Predict, VIP, AML & Fraud, and Customer Support
• Help define, track, and improve key business metrics and KPIs across different departments
• Build and maintain dashboards and reports that provide clear, actionable insights to stakeholders
• Assist in data exploration and deep-dive analyses to understand user behavior, funnels, retention, and monetization
• Ensure data accuracy and consistency by validating sources, metrics, and logic
• Collaborate with product, marketing, and operations teams to translate business questions into analytical solutions
• Gradually take ownership of analyses end-to-end, from problem definition to insight communication
• Continuously improve analytical skills, business understanding, and domain knowledge with the goal of evolving into a well-rounded Business Analyst
• Own the analysis of website performance using Google Analytics 4, including acquisition, engagement, conversion funnels, and attribution
• Configure, validate, and maintain GA4 event tracking, conversions, and key parameters, working closely with marketing, product, and engineering teams to ensure correct implementation

Junior BI Analyst

Product Manager

• Oversee the end to end journey of Core Product Development initiatives
• Maintain your Product Backlog, ensuring that each item has clear value to the business and is correctly prioritised based on strategic impact and technical dependencies
• Act as the guardian of the Core platform and be the go-to person for any updates, issues or questions related to platform capabilities
• Own and evolve critical platform components, such as; UI/UX, Payments and Wallets, KYC, AML and Compliance Services and Internal Admin Systems
• Ensure platform reliability, scalability, performance and security through close collaboration with Engineering, DevOps and Architecture teams
• Monitor and report on platform health using commercial and technical KPIs (e.g. uptime, latency, error rates, conversion funnels)
• Collaborate with other Product Owners across our verticals and offer support to internal teams across Casino, Sports, Marketing, Fraud, VIP and Compliance by providing shared services and reusable platform capabilities
• Identify technical bottlenecks and opportunities for automation, system improvements and operational efficiency
• Perform competitor and market analysis focused on platform trends, technology stacks and emerging tools.

Product Owner – Core

• Planning and executing Testing coverage on smaller ‘Support’ issues, and ‘Small Works’
• Creating Test Plans and Test Scripts for new features of work, scaling from smaller ‘Change Requests’ to larger ‘Projects’
• Producing Test Documentation, supporting Knowledge base documentation, and holding knowledge transfer sessions with the QA Team members, and the wider business
• Learning and adhering to Testing and QA best practices, striving for high standards of work
• Attending and contributing to Team and work-based meetings such as daily stand-ups, weekly checkpoints and retrospectives
• Triggering automated tests on both the frontend and backend as part of the Regression testing of frequent releases to Production
• Troubleshooting and reporting Maintenance issues on automation scripts
• Producing Test Documentation to high standards and in line with Testing Best Practices (Test Plans, Test Scripts)
• Defect Management, raising defects based on their Priority impact and severity, providing clear and concise descriptions and steps to reproduce
• Gain valuable experience in the Crypto Gambling industry across both Casino and Sports Products