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ADVANCE SOFTWARE ENGINEERING

AI, ML, & Data Engineering

ADVANCE SOFTWARE ENGINEERING

AI, ML, & Data Engineering

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Role: Senior/Principal Node Engineers (multiple) Location: UK and Europe, fully remote Pay: £90-105k / €100-125k, (plus bonus) Skills: Node.js, Typescript, Kubernetes, Kafka, RabbitMQ, AWS Why join * High-impact role where you will work on incredibly high-scale platform seeing 100m+ transactions daily * You’ll take on and solve deep, challenging technical problems around optimisation, scale and performance * You will work within a flat structure where all Engineers in a squad contribute and action design and architectural plans * Collaborate and learn with Senior Engineers at the top of their game * Enjoy fully remote work, with high autonomy, freedom and trust given to do your best work * High salary and great range of benefits, including lucrative bonus and unlimited holiday What you’ll bring * Solid commercial experience with Node.js and Typescript on large scale microservices architectures * Extensive work on extremely high-traffic, distributed systems * Good knowledge of Kubernetes and either Kafka or RabbitMQ * Deep understanding of AWS and related tools * Strong Computer Science fundamentals * Happy working fully remote in a B2B capacity  

Role: Blockchain Expert - Technical and Strategic Lead Location: Must be based in Europe Salary: Up to €7k per month + bonus/tokens Signify are partnered with an innovative fintech company specializing in payments, cryptocurrency, and blockchain solutions and are now seeking a Blockchain Expert to lead their upcoming crypto projects, including crypto wallets, decentralized exchanges (DEX), and other groundbreaking blockchain applications. About The Role: Technical Leadership Design and develop blockchain-based solutions, including crypto wallets, DEX integrations, and smart contracts. Provide expertise on on-chain and off-chain architectures, ensuring scalability and security. Evaluate and select appropriate blockchain protocols and tools. Keep up with industry trends, exploring L1, L2, rollups, bridges, and hybrid solutions. Strategy & Market Leadership Act as a key decision-maker on blockchain projects, assessing feasibility, risks, and opportunities. Collaborate with business and product teams to define blockchain strategies aligned with market demands. Conduct research on crypto payments, DeFi, tokenization, and cross-chain interoperability. Development & Implementation Implement smart contracts using Solidity, Rust, or Move, following security best practices. Develop backend services to interact with blockchain networks, optimizing performance and cost-efficiency. Ensure secure and efficient transaction processing. Maintain compliance with blockchain security standards and regulatory frameworks. About You: Must-Have: Blockchain Expertise In-depth knowledge of blockchain protocols, wallets, DEXs, DeFi, and crypto transactions. Experience with Ethereum, Solana, Polkadot, or other major blockchain platforms. Smart contract development (Solidity, Rust, or Move). Strong understanding of gas optimization, security best practices, and consensus mechanisms. Development Skills Proficiency in Rust and TypeScript (preferred). Experience with Node.js, Web3.js, ethers.js, or similar blockchain SDKs. Familiarity with event-driven architectures and message queues. Knowledge of Docker, Kubernetes, AWS, or cloud-based blockchain solutions. Nice-to-Have: Experience with MEV strategies, Flashbots, or on-chain arbitrage. Understanding of zk-SNARKs, zk-Rollups, or other privacy-preserving technologies. Familiarity with DeFi protocols such as Aave, Uniswap, Curve, etc. Exposure to cross-chain solutions and interoperability frameworks. Don't hesitate to apply if this could be of interest!

Exciting Front-End Developer Opportunity in Stockholm – 6-Month Contract We are currently looking for a skilled and motivated Front-End Developer to join a dynamic team in Stockholm for an exciting 6-month contract. This is a great opportunity for developers with a passion for building seamless and engaging user interfaces. Key Responsibilities: Develop and maintain responsive, high-quality web applications. Work closely with the design and back-end teams to ensure a smooth integration of front-end solutions. Write clean, maintainable, and scalable code, while adhering to best practices. Collaborate on various stages of the development lifecycle, from ideation to deployment. Skills and Experience Required: Strong expertise in HTML, CSS, JavaScript, and modern front-end frameworks such as React, Angular, or Vue.js. Solid experience in creating responsive web designs. Knowledge of version control tools like Git. Familiarity with RESTful APIs and integration. Ability to work independently and meet deadlines in a fast-paced environment. Fluency in English, both written and spoken. Knowledge of Swedish is a plus. Why Apply? Work in the heart of Stockholm in a collaborative, innovative team. Engage with challenging, impactful projects in a fast-growing environment. Enjoy flexibility and a chance to enhance your professional growth with a 6-month contract. If you are an innovative front-end developer looking for an exciting challenge in one of Europe’s most vibrant tech hubs, we want to hear from you!

Location: Athens, hybrid (two days in the office) Pay: €60-90k Skills: Node, AWS, Fastify, Terraform, Express, Ansible, Terraform, Grafana If you’re a Lead or Senior Node Developer keen to be instrumental in the build of a completely new to market offering and be the figurehead for all things Node across the engineering team, 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 Immediately become a key member of the engineering team working closely with the CTO architecting and shaping the platform from the ground up Work on complex, distributed and real-time systems with a key 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 You’ll know the Node ecosystem inside out and still (for the moment) be happy to code day to day You’ll enjoy coaching, supporting and fostering a culture of openness and idea sharing Confident contributing at design and architectural level Performance and scalability are at the forefront of your systems work Tech wise you’re comfortable with AWS and its suite of tools along with Terraform/Ansible -- We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time.

About the Role- In this position, you will leverage strong DevOps principles and advanced cloud technologies to drive our Platform Infrastructure strategy, which emphasizes market agility, lean operations, and a commitment to quality to meet the growing demands of our clients. We are looking for highly collaborative, creative, and intellectually curious DevOps Engineers who are passionate about implementing cutting-edge cloud solutions. Qualifications needed- 7+ years of experience in DevOps, TechOps, or SRE roles, with at least 2 years focused on AWS. Experience with microservices (Docker, Kubernetes) in a production environment. Must have residency in Portugal Strong knowledge of Linux alongside principles of configuration management. Familiarity with databases such as MongoDB, PostgreSQL, and DynamoDB. Proficiency in architecting, implementing, and managing monitoring tools, including Prometheus/Grafana, CloudWatch, Splunk, Datadog, NewRelic, and ELK within cloud environments. Solid coding skills beyond simple scripting languages such as Python, Ruby, or Java. Experience with cloud compute provisioning using tools like Terraform and/or CloudFormation. Hands-on experience in building microservice-based architectures. Strong communication skills, both written and verbal. Proven ability to design and implement complex, automated, yet easily manageable infrastructure. AWS certifications are a plus. Your responsibilities will include: Developing and maintaining tools to enhance the development environment on MacOS and Linux, with a focus on improving developer productivity. Ensuring site reliability by building highly scalable systems that integrate resiliency and high availability at all levels. Developing software and tooling to secure and automate cloud infrastructure, enabling fully automated software delivery workflows. Designing and managing Kubernetes environments for container orchestration and management. Contributing to the design, maintenance, and troubleshooting of distributed systems. Work Environment This role is fully remote. While each department may have varying requirements, this position offers the flexibility to work from anywhere. Read and apply for this role in the way that works for you. We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time.

Signify is partnering with a well-regarded consultancy firm in Spain, known for providing innovative technology resource solutions to some of the world’s leading gaming and tech companies. The Product: Their Platform is built on AWS, managed by Terraform, with Kubernetes for microservices, Cassandra, Elasticsearch OS, Druid for data storage, Kafka, Hazelcast and Prometheus, Grafana, ELK for monitoring and logs, everything running on Linux. Their CI pipeline is built using Github actions and the CD part uses ArgoCD.   Key Responsibilities: Design, deploy, and maintain the infrastructure that supports all their services, ensuring reliability and scalability. Work closely with Product Engineering teams to support the development, deployment, and monitoring of reliable and performant software applications. Participate in identifying and evaluating new technologies and platform services that can enhance our system’s efficiency, security, and performance. Join their on-call rotation to address urgent production issues, demonstrating ownership and quick problem-solving in critical situations. Continuous Learning & Knowledge Sharing Requirements: 3- 4 years of experience as a Devops Engineer Strong hands-on experience with Linux systems, including performance optimization, security, and troubleshooting. In-depth knowledge of Kubernetes for container orchestration and cluster management. Hands-on experience with AWS services and architecture best practices. Proficiency with Terraform for managing infrastructure as code. APPLICANTS MUST HAVE RESIDENCY IN SPAIN   For more information on this position, please email Gianni.wilson@Signify-tech.com !   Accessibility Statement!   Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences. We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion. Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time !

Senior Node Engineer Location: fully remote across UK or EuropePay: €80-110kSkills: Node, React, AWS, Remarkable opportunity to join heavily funded and backed team of industry experts create one of the most impactful companies we’ve seen in the iGaming space.What’s in it for you Design and develop complex Node.js systems and architecture for high-scale betting platform Be an integral part of shaping the future of the products and company from early stage Apply technology and solve problems never seen before in this space   Build and maintain distributed systems designed for performance and reliability Work with and learn from Engineers at the top of their game What you’ll bring Strong experience building complex Node.js systems Comfortable at design and architectural level Strong understanding of AWS and its suite of tools Full stack exposure, ideally with React on the front end Appreciation of scaling platforms within Web3, Gaming, Ecommerce etc. We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time

Seeking a Visionary CEO for a High-Growth EdTech Venture Remote but looking for candidates with a US network Up to $4000 depending on experience with equity available About the Role The product has already achieved remarkable traction, generating $1.2 million in monthly revenue, and they're on a mission to scale 25x in the coming year. This is a unique opportunity to lead a rapidly expanding B2C EdTech platform targeting English-speaking students globally. Key Responsibilities Strategic Leadership: Define the vision and strategic direction, inspiring teams to deliver innovative solutions and world-class performance. Growth Acceleration: Leverage your expertise to dramatically scale product adoption and revenue. Fundraising & Investment: Utilise your network and experience to secure funding and optimise investments for maximum impact. Market Expansion: Capitalise on your understanding of the EdTech landscape to position the product as a global leader. Operational Excellence: Drive efficiency and innovation to outperform competitors in a fast-moving market. What We’re Looking For To succeed in this role, you’ll need: Proven EdTech Expertise: A deep understanding of the sector, with a track record of launching and scaling successful products. Russian Language Skills: Fluency in Russian to effectively communicate with our team and stakeholders. Fundraising Savvy: Experience in securing investments and navigating the venture capital ecosystem. Market Insight: Expertise in the US and global markets, with a keen eye for emerging trends. Visionary Thinking: The ability to craft and execute bold strategies that drive exponential growth. Interviews commencing from the 10th of February, apply to be considered by sending your CV to cengiz.jaffer@signify-tech.com Accessibility Statement! Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences. We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion. Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time!  

CEO/Investment Director – Drive Growth in Crypto & Blockchain Investments Location: Remote (Preference for US-based candidates) Compensation: Up to $400k (Flexible based on experience, with negotiable equity) Join a cutting-edge investment firm specialising in digital assets and blockchain technology. Backed by an initial investment of $1.7M, with access to $30M in additional funding based on approved strategies, we are on a mission to revolutionize the industry through strategic investments and innovative deal structures. Your Role as CEO/Investment Director Shape the Vision: Develop and execute strategies to position the company as a leader in blockchain investments. Build a Team: Assemble and lead a world-class team tailored to your vision and goals. Optimise Investments: Identify, audit, and drive high-value opportunities, with a goal to bring two exceptional companies into the portfolio monthly. Drive Growth: Lead efforts to achieve 7–10x revenue and profit growth within 18 months. What We’re Looking For Blockchain Expertise: A proven track record in blockchain investments, including sourcing and closing high-value deals. Leadership Experience: Demonstrated success as a Portfolio/Investment Director or CEO with the ability to inspire and guide teams. Strong Network: Connections within the US blockchain and investment ecosystem, capable of attracting top talent and valuable opportunities. Visionary with Execution: Strategic foresight paired with hands-on skills to bring ideas to life. Why apply? This role provides a rare opportunity to build and lead a high-growth company in one of the most exciting sectors in finance, with the potential to leave a lasting impact. With the freedom to implement your vision and strategy to build a profitable company from the ground up. Interviews commencing from the 10th of February, apply to be considered by sending your CV to cengiz.jaffer@signify-tech.com  

I'm looking to recruit several Software Developers with expertise Java to work on a large-scale greenfield modernisation project to transform the travel and transportation ecosystem, empowering businesses with innovative, scalable, and efficient technology solutions. What you'll work on: Platform Overhaul: Transitioning legacy systems to modern, microservices-based architectures. Next-Gen Features: Rolling out tools like revenue management systems and web check-in portals. Challenges You’ll Tackle: Build new reservation and ticketing systems designed for reliability and scalability. Migrating from legacy systems to modern architectures. Developing scalable microservices with efficient data models. System Integration connecting the travel ecosystem with robust APIs and microservices. What You Bring: Strong expertise in Java, Spring Boot, and RESTful API design. Experience with microservice architectures, database management (PostgreSQL or similar), and Docker. Knowledge of Agile methodologies and a collaborative mindset. Why Join? Be Part of Growth: Work in a dynamic, fast-growing team with ample opportunities for professional development. Work Flexibility: Hybrid model. Athens 2-3 days a week. Competitive Perks: Private health insurance, meal allowances, and salaries between €50-€70k (with flexibility for top talent). Cutting-Edge Projects: Collaborate on high-impact initiatives with a startup mindset. Interviews commencing from the 3rd of February, apply to be considered by sending your CV to cengiz.jaffer@signify-tech.com Accessibility Statement! Read and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences. We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process. Our Commitment to Diversity, Equity, and Inclusion. Signify’s mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. Building a diverse future, one placement at a time!