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ADVANCE SOFTWARE ENGINEERING

AI, ML, & Data Engineering

ADVANCE SOFTWARE ENGINEERING

AI, ML, & Data Engineering

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Job Title: Rust Backend Developer. Location: Must be based in Europe - applicants outside of Europe will not be considered.  A dynamic digital payments infrastructure company specializing in empowering businesses and retail users to engage with the crypto economy is seeking a skilled Rust Backend Developer. Through seamless fiat-to-crypto and crypto-to-fiat solutions, our client offers an experience as user-friendly as online banking. Their diverse, global team operates across multiple international locations. Role Overview: In support of DeFi projects, we're looking for an experienced Rust Backend Developer with a broad understanding of backend development, DevOps, and ideally some frontend experience. You'll be instrumental in creating secure, efficient applications, collaborating within a virtual, international team. Your work will be valued based on experience and skill, with a focus on well-documented and structured code. Key Responsibilities: Develop, troubleshoot, and enhance applications throughout their lifecycle. Optimize legacy applications with cutting-edge technologies. Address technical and design requirements, ensuring maintainability. Build reusable code and libraries, and follow emerging tech trends. Support internal teams through training and knowledge-sharing. Required Skills: Proven experience as a backend developer, with specific expertise in Rust. Production-level blockchain experience. Familiarity with the full app and web development lifecycle. Proficiency with distributed/cloud applications and tools (e.g., Kubernetes, AWS Lambda, Serverless). Strong problem-solving skills, with effective team communication. A degree in Computer Science or relevant field is a plus. Interested? Don't hesitate to apply!

Role: Kubernetes DevOps Developer (with Rust) Location: Europe (Remote) Salary: Up to €7k per month + bonus and tokens. Signify are partnered with a start-up in the Blockchain and payments industry who are enabling retail users and businesses to seamlessly access the crypto economy with easy-to-use, plug-and-play solutions. With an international team, they are expanding their engineering team and now searching for a developer who has strong experience with Kubernetes, DevOps and ideally proficiency with Rust, to join their growing team. Responsibilities: Contribute to building global-scale infrastructure using Kubernetes Design and automate microservice deployments Troubleshoot and resolve production and deployment issues Collaborate with the open-source community to address issues and enhance Kubernetes Operators Strengthen the security of the infrastructure About You: Commercial experienced in Rust. Experience with containers Docker and Kubernetes. Cloud experience, in particular AWS. Experience building CI/CD pipelines. Experience with Blockchain related infrastructure is highly advantageous. Worked with relational databases (Postgres). Interested? Apply now! Even if you don't tick all the boxes.

Job Title: Senior Android Developer Job Type: Full-Time   Our client is looking for a Senior Android Developer with strong expertise in Kotlin, Jetpack Compose, and a deep understanding of modern Android development practices. If you're passionate about crafting clean, scalable, and high-performing mobile applications, thrive in an agile environment, and enjoy collaborating with cross-functional Scrum teams.   Key Responsibilities:   Design, develop, and maintain high-quality Android applications using Kotlin and Jetpack Compose. Work closely with product owners, designers, and backend engineers to deliver seamless user experiences. Implement and maintain robust, scalable, and efficient APIs and architectures, following Domain Driven Design principles. Collaborate in a cross-functional Scrum team, taking part in all phases of the software development life cycle. Ensure the application adheres to the best coding practices, SOLID principles, and architectural guidelines. Continuously refactor and improve the codebase for performance, security, and scalability. Stay up-to-date with the latest Android trends and technologies, proposing improvements to ensure the product stays current and competitive.   Please note to apply for this position you must be based around Athens area and willing to come into the office.   Required Skills & Experience:   5+ years of experience in Android development, with proven experience in Kotlin and Jetpack Compose. Solid experience in APIs integration and building architectures for scalable mobile applications. Strong understanding of Domain Driven Design (DDD) and other modern architectural patterns. Experience working in Scrum/Agile environments, with an emphasis on collaboration and continuous improvement. Familiarity with automated testing, CI/CD pipelines, and version control (Git). Excellent problem-solving skills and a proactive attitude towards optimizing performance and user experience.

Role: Senior Scala Developer Location: Berlin (Hybrid - 2 x per week) Visa sponsorship and relocation is not offered Signify Technology are partnered with fintech company dedicated to revolutionizing international payments for e-commerce and retail businesses. Responsibilities: Build new features for the risk management platform Deploy using automated GitHub CI and Argo CD Improve automated unit, integration, and end-to-end testing Maintain and support platform components About You: 3+ years experience with Scala. Commercial experience with ZIO. Worked with databases including MongoDB and PostgreSQL. Proficiency with Kubernetes  Experienced with Kafka Strong skills in automated testing and a collaborative, communicative mindset Bonus: Scripting language experience (Python or Bash) Experience with Docker. Knowledge of CI/CD principles. Interested? Apply now! euan.roche@signify-tech.com

Job title: QA Engineer Location: Portugal   My client are seeking a QA Automation Engineer to design, implement, and maintain automated test suites to ensure high-quality software delivery. You will work closely with development teams to integrate these suites. Build and deployment pipelines, ensuring smooth and efficient testing processes.   Key Responsibilities: Develop and implement automated test suites to ensure system robustness. Integrate automated testing into existing build and deployment processes. Maintain and update tests in line with evolving system architecture and design. Connect automation frameworks with current tools, such as JIRA. Create and manage defect workflows in conjunction with automated testing. Design and publish actionable metrics to monitor and support automated testing efforts. Develop and implement performance test suites. Perform various types of testing: Functional, API, Automation, Performance, and Load.   Requirements: 5+ years of experience in QA engineering and test automation. Extensive experience working in Agile environments, ideally with Continuous Integration/Continuous Deployment (CI/CD) pipelines. Strong programming skills in Java, with experience Proficient in Agile development methodologies. Familiarity with technologies such as: CI/CD tools: Maven, Sonar, Git, TeamCity or Jenkins, Docker. Experience working in banking or finance-related environments is preferred. Knowledge of testing frameworks and tools such as: Testing: JUnit, WebdriverIO, Protractor, JMeter, or similar tool

Job Title: Chief Technology Officer (CTO) Location: Germany Position Overview: The Chief Technology Officer (CTO) will play a pivotal role in shaping technology vision, driving product innovation, and scaling our business to new heights. The ideal candidate will have a strong background in VC funding, proven success in scaling businesses, and extensive experience in a startup environment. This is a unique opportunity to join a dynamic team and make a significant impact on the future of our company.   Key Responsibilities: Develop and execute the company’s technology strategy in alignment with business goals. Lead and manage the technology team, fostering a culture of innovation, collaboration, and excellence. Oversee all aspects of technology development, including architecture, engineering, and product management. Drive the successful scaling of our technology infrastructure to support rapid business growth. Identify and implement new technologies that enhance our product offerings and operational efficiency. Collaborate with the executive team to secure VC funding and manage investor relations. Ensure robust cybersecurity measures and data protection protocols are in place. Monitor technology trends and emerging technologies to stay ahead of the competition. Qualifications: Proven experience as a CTO or in a similar senior technology leadership role. Successful track record of securing VC funding and managing investor relationships. Demonstrated ability to scale technology platforms in a high-growth startup environment. Strong technical background with expertise in [relevant technologies, programming languages, and tools Excellent leadership and team management skills with a focus on mentoring and developing talent. Strategic thinker with the ability to align technology initiatives with business objectives. Strong problem-solving skills and the ability to make data-driven decisions. Excellent communication and interpersonal skills, with the ability to articulate complex technical concepts to non-technical stakeholders.

Senior Software Engineer – Hybrid (Lisbon) Location: Lisbon, Portugal About the Role My client is looking for a highly skilled Senior Software Engineer with at least 5+ years of professional experience to help drive the development of our product suite. In this role, you will be responsible for end-to-end ownership of projects, system design, and architecture, working closely with cross-functional teams to ensure product delivery and excellence. Key Responsibilities: Lead the design, architecture, and development of scalable, high-quality software solutions. Work in a product-focused environment, collaborating with product managers, designers, and stakeholders to understand business requirements and deliver features. Take ownership of projects from inception to deployment and beyond, ensuring the software meets business goals and customer needs. Provide technical leadership, mentoring junior engineers, and ensuring best practices across the team. Engage in system design discussions, contributing to decisions on architecture and technology stack. Communicate effectively across teams and with stakeholders, articulating project goals, progress, and technical challenges. Ensure high performance, reliability, and scalability of the systems you develop. Requirements: 5+ years of professional experience as a software developer in a product-driven environment. Strong experience with Java, Kotlin, or Scala. Expertise in system design and architecture for complex software applications. Hands-on experience with the full software development lifecycle, including project management and end-to-end delivery. Excellent communication skills, with the ability to explain technical concepts clearly and effectively to both technical and non-technical stakeholders. Proven track record of working on complex projects, delivering high-quality code, and contributing to overall product strategy. Familiarity with microservices architecture, distributed systems, and cloud-native development is a plus.

Node Software Engineer - new product build ? Location: Athens, hybrid ? Pay: €60-90k ? Skills: Node, AWS, Fastify, Terraform, Express, Ansible, Terraform, Grafana If you’re a Node Developer keen to be instrumental in the build of a completely new to market offering, this could be a great fit. ? What’s in it for you Join new start-up backed by big industry names with huge investment and growth planned across engineering Be a key part of creating an innovative first-of-a-kind product in the entertainment industry tackling unique and varied technical challenges Impact at architectural level, helping shape things from the ground up Work on complex, distributed and real-time systems Big focus on scale and performance Work end to end from idea stage through to production Enjoy and contribute to genuine collaborative and continuous learning culture Utilise the latest Node and AWS technology and tooling Take ownership of CI/CD automation and pipelines ? What you’ll bring Solid back end experience with Node Some knowledge of React on the front end Comfortable with AWS and its suite of tools Confident with Ansible and Terraform Performance and scalability are at the forefront of your work Ability to work across the full development life cycle  

Super chance to join start-up leading the way in computer vision AI and Machine Learning. Large recent investment has been enjoyed giving significant runway ahead. You’ll be joining an engineering team at the top of their game, hand-picked from organisations leading they way in AI research and advancement. Key reasons to join £90-120k salary, plus stock Build out highly-advanced AI driven applications Solve complex engineering problems not been tackled before Architect and own new features end to end High-impact role influencing, team, product and wider business Learn and work closely with some of the brightest minds in the space The role Design, build and deliver sophisticated C++ applications Deploy machine learning models Optimise platform for performance, always building with scale in mind Build out deployment pipelines What we need Solid experience building complex, production ready C++ code processing real-time data, ideally across robotics, data vision, AI etc. Understanding of containerization and CI/CD pipelines Comfortable being in an all hands-to-the-pump type start-up environment Happy working predominantly on site in London office

Job Title: Blockchain Developer (Rust/Golang) Location: EU Remote Job Description: Signify have partnered with a global household name. They are looking for Blockchain Developer with professional experience in Rust or Golang to join their ever involving team. This ideal candidate will have a robust background in blockchain technology, specifically having worked in a professional environment with experience in open source projects. Familiarity with Ethereum or Solidity and a strong understanding of distributed systems are highly desirable.   Responsibilities:   Professional experience with Rust or Golang for atleast 4 years Have been a engineer for at least 6years+ Work on various aspects of blockchain technology, including protocol design, smart contract development, and decentralized application (DApp) creation. Participate in the architecture and design of distributed systems. Contribute to open source projects and maintain a strong presence in the blockchain community. Ensure the security and integrity of blockchain solutions. Troubleshoot and resolve issues in development, test, and production environments. Proven experience as a developer using Rust or Golang in a professional setting. Hands-on experience with blockchain technologies and decentralized systems. Prior experience contributing to and working with open source projects. Familiarity with Ethereum and Solidity is a plus. Strong understanding of distributed systems and their design principles. Experience with version control systems, such as Git. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. Experience with other blockchain platforms and technologies. Familiarity with DevOps practices and tools.