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Role: Senior Software Engineer Location: Lisbon, Portugal (hybrid 1 day per week) Job Type: Permanent Salary up to €75k Signify Technology has partnered with an exciting AI-powered engagement platform which is used by a wide client base to close the data activation gap by bridging together customer data, design experiences, deliver on them and optimize them - all in one platform. You will be own the end-to-end of the product lifecycle, architect and develop solutions to scale a complex platform that will reach millions of users. You will be actively involved in strategic technical planning sessions with senior leadership. Requirements Experience with Scala and or Java. Hands on experience with Elasticsearch, Kafka, kubernetes and Docker. Experience with AWS Experience building relevant production ready, scalable web applications. Mentorship experience. Degree in Computer Science or equivalent Please note that this position does not offer visa sponsorship, and candidates must have the legal right to work in the specified location. For more information, please apply or contact me directly - harvey.cheadle@signify-tech.com

Role: Mid-level Software Engineer (Scala) Location: Portugal (remote) Job Type: Permanent Salary up to €46k + bonus Signify Technology has partnered with an exciting Fintech company whose financial platform has transformed how individuals, companies and financial institutions best handle their assets. The platform has served $176 Billion + worth of client assets across global markets. They are looking for a Mid-level Software Engineer for one of their Scala teams. You will be involved in the full development lifecycle helping to scale their backend applications by building highly scalable features. You will support the team with coordinating work and contribute towards overall technology decisions. Requirements Experience with Scala Hands on experience with Akka, Zio and Kafka. Experience with AWS Experience building Rest APIs for large scale applications Mentorship experience. Degree in Computer Science or equivalent Please note that this position does not offer visa sponsorship, and candidates must have the legal right to work in the specified location. For more information, please apply or contact me directly - harvey.cheadle@signify-tech.com

Role: Senior Software Engineer (Scala) Location: Portugal (remote) Job Type: Permanent Salary up to €70k + bonus Signify Technology has partnered with an exciting Fintech company whose financial platform has transformed how individuals, companies and financial institutions best handle their assets. The platform has served $176 Billion + worth of client assets across global markets. They are looking for a Senior Software Engineer for one of their Scala teams. You will be involved in the full development lifecycle helping to scale their backend applications by building highly scalable features. You will support the team with coordinating work and contribute towards overall technology decisions. Requirements Experience with Scala Hands on experience with Akka, Zio and Kafka. Experience with AWS Experience building Rest APIs for large scale applications Mentorship experience. Degree in Computer Science or equivalent Please note that this position does not offer visa sponsorship, and candidates must have the legal right to work in the specified location. For more information, please apply or contact me directly - harvey.cheadle@signify-tech.com

Role: Senior Research Engineer Location: New York or remote US Job Type: Permanent I've partnered with one of the most exciting AI companies in the US who just raised a multi-million $ funding round to continue on their hyper-growth venture, and are now looking to expand their research / ML team. The company is an AI-powered music creation app that offers a platform for instant music creation. They are looking for an innovative research engineer with top-tier software/model-engineering skills, deep learning library expertise, large-scale model training experience, and a love for generative AI, committed to excellence and rapid feature deployment. We're open to the level of seniority this person comes in at. Founded by a number of folks who spent years working together in this space whilst at DeepMind, they have recently raised an extensive amount of funding from some of the biggest names in tech, as well as music, to enter into a hyper-growth period. This is a unicorn opportunity in the sense that you're very well paid (7+ figure comp range) and get the benefits of work that come with a hyper-growth company.

Role: AI Lead Engineer Location: UK and European Union (remote) Job Type: Permanent Founded by former Amazon, Elastic and Tessian founders developing a groundbreaking stealth-mode cybersecurity company. The platform uses a combination of generative AI (including agents) and traditional data science to solve some of the most urgent challenges faced by security teams today. In this role you will innovate and lead the design and development of the AI models architectures, capabilities and drive further scalability of the product. Your work will shape the future of AI products powered by LLMs and deep learning techniques, implementing ML nd LLM-Ops best practices. Partner with data ingestion specialists to optimize workflows for model training and deployment. Experiment by designing and conducting experiments to thoroughly test and enhance model performance and robustness. Requirements Extensive expertise in theoretical foundations of machine learning. Extensive experience of developing AI models for SaaS products. Fluency in at least one deep learning framework (e.g., TensorFlow, PyTorch) Strong LLM experience and the emerging field of prompt-engineering. Excellent problem solving skills with the ability to excel in a fast paced startup environment. A Master’s degree (or Ph.D.) in related fields: AI/LLM/etc. from a reputable academic institution. Interested? Apply or email harvey.cheadle@signify-tech.com

Role: Senior Research Scientist/Engineer (AI Safety)Location: London, United KingdomJob Type: Permanent The potential of current AI systems is evolving at a rapid pace. While these advancements offer fantastic opportunities, they also bring certain risks like deliberate misuse or intelligent yet misaligned models. Our client is conducting fundamental research on interpretability and behavioral model evaluations which is used to audit real-world models. You will be responsible for working on safety cases for scheming by building evaluations for deceptive alignment-related properties, such as situational awareness or deceptive reasoning. You will publish the results of your work to the general public or target audience (AI developers or governments) Requirements Extensive LLM experience - the core skills of this role is steering LLMs. Software Engineering experience - build a solid foundation in software engineering including APIs, data science, system design, data engineering and front-end front-end development. Research experience - design and execution of experiments and then writing up and communicating your findings. Generalist - your skills range from LLM fine-tuning to developing frontend interfaces. Scientific mindset - experienced proposing and testing alternative hypotheses in new experiments. Interested? Apply or email harvey.cheadle@signify-tech.com

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.

As a Senior Backend Software Engineer, you will play a crucial role in developing and enhancing their core product used by a rapidly growing customer base. Your primary focus will be on strategic projects that drive technical innovation and elevate team performance. You will also join the team once per week in Lisbon. Responsibilities Actively contribute to roadmap and planning sessions to boost the product's customer value. Work closely with cross-functional teams, including product and design, to conceptualize and develop new product features. Manage the entire lifecycle of projects, from initial design and planning through to development, deployment, and production success. Develop solutions to scale our complex platform, reaching millions of users. Participate in the code review process, providing constructive feedback and helping to define and enforce coding standards. Use design discussions and other team interactions to enhance both the product and the team's skills. Requirements: 4+ years of relevant software development experience, with proficiency with Scala Experience with the Akka eco-system Cloud experience with AWS is highly advantageous. Ability to work effectively in a highly remote/distributed environment while maintaining strong collaboration. Willingness to take on-call responsibilities. Fluency in English, both verbal and written. Legally authorized to work in the EU Technology Stack Programming Language: Scala Databases: Elasticsearch, Postgres, Redis, CRDB Infrastructure: Pulsar, Kafka, AWS Other Technologies: Docker, Kubernetes, React Like to find out more? Don't hesitate to apply! Don't worry if you don't tick all of the boxes  

Role: Senior Software Engineer Location: London - hybrid 2/3 x per week. Job type: Contract Length: 6 - 12 month contract   Signify Technology are working with a company in the financial services who are expanding their engineering team in London, where they are now looking for a Senior Software Engineer, specialising in Scala to join their small, growing team, with an appetite to be a team lead. Requirements: Much experience in the finance industry. Strong Scala experience - 4+ years Functional experience with Cats, Cats Effect, FS2, ScalaZ... Experienced with AWS (Azure or GCP is also OK) Messaging experience with Kafka Interested? Don't hesitate to apply and find out more!

Role: Golang Developer Location: London - hybrid Job type: Permanent Salary range: £55-70k. Signify are working with a company who are seeking an experienced Golang engineer to join a dynamic team on a full-time basis, where you'll join the team a couple times per week in London. Responsibilities: Develop high-performance and scalable Golang microservices. Own the design, implementation and architecture of components from concept to operations. Requirements: Over 2 years commercial engineering experience. Cloud experience in AWS. CI/CD proficiency. API design skills (REST, OpenAPI, GRPC) Degree in Computer Science (or similar) Interested? Don't hesitate to apply!