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Job Title: DevOps / SRE Engineer Job Type: Contract Contract Length: 12-months Rate: $20 - $30 per hour Role Location: Remote - LATAM The Company: Our client is a fast-growing technology business building world-class checkout infrastructure for online retailers. Their mission is to eliminate the operational overhead and technical debt associated with payments and checkout at scale, enabling retailers to deliver seamless, secure buying experiences to millions of consumers. Role and Responsibilities: Help lead out major infrastructure, DevOps, reliability, and security initiatives end to end Own and evolve CI/CD pipelines, primarily using GitHub Actions, to enable fast, safe, and repeatable software delivery Design, build, and maintain cloud infrastructure on AWS using Terraform for all infrastructure as code Manage containerized workloads using Docker and Kubernetes, ensuring scalability and resilience Build and maintain observability across the stack using Datadog for monitoring, alerting, and incident response Troubleshoot issues across the entire stack, from network and OS level through to application layer Oversee PCI compliance and coordinate audit activities, applying DevSecOps practices throughout the SDLC Enforce security best practices across DNS, firewalls, IAM, and cloud networking Build tooling for automation, deployment, monitoring, and operations Set strategic direction for infrastructure and contribute to key architectural decisions Job Requirements: GitHub Actions: strong, hands-on experience building and maintaining complex pipelines (most critical requirement) AWS: solid production experience operating infrastructure at scale Terraform: required for all infrastructure provisioning and lifecycle management Docker and Kubernetes for containerization and orchestration Datadog for monitoring, observability, alerting, and dashboards Go or Python for scripting, automation, and tooling Solid DevSecOps knowledge with the ability to embed security across the SDLC Working knowledge of PCI-DSS and experience supporting compliance audits Hands-on experience with DNS, firewalls, IAM, and cloud networking concepts 3 or more years of relevant experience in DevOps, SRE, or infrastructure engineering Jenkins experience is a bonus, though GitHub Actions takes priority GCP awareness beneficial given a potential future migration Accessibility Statement: 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.  Check out our DE&I page here   

Job Title: Senior DevOps / SRE Engineer Job Type: Contract Contract Length: 12-months Rate: $25 - $35 per hour Role Location: Remote - LATAM The Company: Our client is a fast-growing technology business building world-class checkout infrastructure for online retailers. Their mission is to eliminate the operational overhead and technical debt associated with payments and checkout at scale, enabling retailers to deliver seamless, secure buying experiences to millions of consumers. Role and Responsibilities: Lead major infrastructure, DevOps, reliability, and security initiatives end to end Own and evolve CI/CD pipelines, primarily using GitHub Actions, to enable fast, safe, and repeatable software delivery Design, build, and maintain cloud infrastructure on AWS using Terraform for all infrastructure as code Manage containerized workloads using Docker and Kubernetes, ensuring scalability and resilience Build and maintain observability across the stack using Datadog for monitoring, alerting, and incident response Troubleshoot issues across the entire stack, from network and OS level through to application layer Oversee PCI compliance and coordinate audit activities, applying DevSecOps practices throughout the SDLC Enforce security best practices across DNS, firewalls, IAM, and cloud networking Build tooling for automation, deployment, monitoring, and operations Set strategic direction for infrastructure and contribute to key architectural decisions Job Requirements: GitHub Actions: strong, hands-on experience building and maintaining complex pipelines (most critical requirement) AWS: solid production experience operating infrastructure at scale Terraform: required for all infrastructure provisioning and lifecycle management Docker and Kubernetes for containerisation and orchestration Datadog for monitoring, observability, alerting, and dashboards Go or Python for scripting, automation, and tooling Solid DevSecOps knowledge with the ability to embed security across the SDLC Working knowledge of PCI-DSS and experience supporting compliance audits Hands-on experience with DNS, firewalls, IAM, and cloud networking concepts 4 or more years of relevant experience in DevOps, SRE, or infrastructure engineering Jenkins experience is a bonus, though GitHub Actions takes priority Accessibility Statement: 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.??  Check out our DE&I page here   

Job Title: Senior Bioinformatics Scientist Job Type: Permanent Salary: $170,000–$190,000 USD per year + bonus Role Location: San Francisco, CA (hybrid role) Visa Requirements: No sponsorship provided. The Company: Our client is an emerging leader within biotechnology, headquartered in the vibrant tech hub of San Francisco, California. Their mission is to empower scientists worldwide by accelerating biotech research through innovative DNA sequencing and analysis tools. Every day, thousands of innovators—including Nobel Prize winners, biotech startups, and research labs—rely on their solutions to drive world-changing discoveries in healthcare, sustainability, and beyond. In 2024, they saved researchers 2 million hours, transforming their productivity. Join their dynamic, collaborative team to shape the future of science. Role and Responsibilities: As a Senior Bioinformatics Scientist, you’ll lead the charge in building cutting-edge bioinformatics workflows that power faster, smarter science. Collaborating with a passionate team of scientists, bioinformaticians, and software engineers, you’ll drive innovation and mentor others in a creative, high-impact environment. Your key responsibilities include: Designing and optimizing high-performance bioinformatics pipelines for processing thousands of daily samples, leveraging tools like Snakemake and cloud deployments. Innovating sequence analysis workflows for bulk/single-cell RNAseq, differential gene expression, and large-scale genomics, ensuring robust and scalable solutions. Troubleshooting complex sequencing data challenges, from biological artifacts to platform-specific issues, to ensure reliable outputs. Developing intuitive web tools (e.g., Streamlit, R Shiny) and data visualizations to transform raw bioinformatics data into actionable insights. Providing thought leadership and mentoring junior team members, fostering a culture of innovation and collaboration. Staying ahead of industry trends, integrating emerging bioinformatics tools to enhance our offerings for biopharma and research clients. Job Requirements: Education and Experience: PhD in Biological Sciences, Bioinformatics, Computational Biology, or related field, with 3+ years of experience developing production-level bioinformatics pipelines. Required Qualifications: Deep expertise in analyzing bulk/single-cell RNAseq data and performing differential gene expression using state-of-the-art tools. Significant experience building production-level Snakemake (or Nextflow) pipelines, with local and cloud-based deployments. Strong knowledge of sequence analysis (alignment, assembly) and molecular biology, with experience in Oxford Nanopore and Illumina sequencing. Proficiency in Python (numpy, pandas, Jupyter, Biopython) and package management (e.g., Conda). Hands-on experience with Docker, Apptainer, or Singularity for containerized workflows. Expertise in Git/GitHub and Linux shell scripting for version control and automation. Proficiency in developing intuitive web tools for bioinformatics reporting (e.g., R Shiny, Streamlit). Familiarity with public genomic data repositories (e.g., NCBI, Ensembl) and large-scale genomic data processing. Strong communication skills and ability to write clean, maintainable, production-ready code. Preferred Qualifications: Experience with compiled languages (C++, Rust) for performant software development. 1+ year of molecular biology wet lab experience. Demonstrated ability to develop novel bioinformatics algorithms. Strong interest in creating intuitive data visualizations for scientific insights.   Benefits: Competitive Compensation: Highly competitive remuneration. Generous Time Off: 4 weeks paid time off + 10 paid holidays. Comprehensive Health Coverage: Health, dental, and vision insurance, plus life insurance and mental health coverage. Retirement and Wellness: 401(k) with matching, Health Advocate services, and gym membership. Impactful Work: Contribute directly to accelerating biotech research, supporting novel therapies and sustainability. Innovative Environment: Work with cutting-edge tools (e.g., Snakemake, Streamlit, AWS) and collaborate with top-tier researchers. Supportive Culture: Join a passionate, inclusive team that values creativity, mentorship, and professional growth.

Job Title: Senior Full Stack Engineer Job Type: Contract Contract Length: Initial 12 months Rate: €350 - €380 per day Role Location: Remote (Europe) The Company: A leading European technology company is seeking an experienced Senior Full Stack Engineer to support the development of a scalable digital platform used by businesses across multiple markets. The organisation operates internationally and is focused on delivering high-quality, customer-centric solutions. Role and Responsibilities: Design, build, and maintain full stack applications using TypeScript, Node.js, and modern frontend frameworks (Vue.js preferred). Develop and scale microservices with a focus on performance, reliability, and maintainability. Build responsive, user-friendly web applications and optimise frontend performance. Implement Infrastructure as Code (Terraform or Pulumi) and support cloud-native deployments. Manage and improve cloud infrastructure, primarily within GCP and Kubernetes environments. Create and maintain CI/CD pipelines using modern DevOps tooling. Monitor application health, troubleshoot issues, and improve system observability. Collaborate closely with product, design, and engineering teams to deliver high-quality solutions. Mentor engineers and contribute to technical best practices. Job Requirements: 6+ years of full stack software engineering experience. Strong expertise in TypeScript and Node.js. Commercial experience with Vue.js or similar frameworks such as React or Angular. Experience building microservices and working with SQL and NoSQL databases. Strong knowledge of cloud technologies, particularly GCP, Kubernetes, and containerised applications. Experience with Infrastructure as Code tools such as Terraform or Pulumi. Familiarity with CI/CD tools including GitHub Actions, CircleCI, or ArgoCD. Experience with testing frameworks such as Jest or Cypress. Strong communication and stakeholder management skills. Previous experience within fintech, payments, or highly regulated environments is advantageous. Accessibility Statement: We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments throughout the application or interview process. Our Commitment to Diversity, Equity, and Inclusion: Our mission is to empower every person, regardless of their background or circumstances, with an equitable opportunity to achieve the career they deserve. We are committed to building diverse and inclusive teams and welcome applications from all qualified candidates.

Principal Python Engineer, London, Europe's Largest Equities Exchange   We are working exclusively with one of the world's largest exchange operators on a Principal Python Engineer hire in London. This is a senior individual contributor role within a small, highly skilled engineering team building and expanding the data pipeline and event streaming infrastructure that powers the largest equities exchange in Europe.   The Role   You will lead complex engineering projects end to end, working closely with business development and sales teams to deliver new products and features, and mentoring engineers across Europe and the US. The team takes software craftsmanship seriously — testable, maintainable code, pair programming and TDD are core to how they work.   Tech Stack   Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus   What They Are Looking For   Principal or Staff level Python engineer with strong leadership skills Degree in Computer Science or related field preferred Financial markets experience a strong plus — market data, order management, algorithmic trading or financial systems integration Someone who takes genuine pride in code quality and engineering standards   The Package   Competitive salary and incentive compensation Private medical including dental, private GP service, life insurance 7% pension contribution, no employee contribution required 25 days holiday rising to 30, complimentary lunch daily 4 days in office, London  

? Hiring: Python Software Engineer | London | 4 Days On-Site   £80-90K +15% Bonus   I'm working with a leading financial markets and trading technology organisation that is looking for a Python Software Engineer to join its engineering team in London. You'll help build and enhance critical market infrastructure, including data pipelines, event streaming platforms, and real-time systems that support high-volume trading environments.   ? What you'll be doing: • Building reliable, scalable Python applications and services • Designing and enhancing data pipelines and event-driven architectures • Working closely with product, commercial and engineering teams to deliver new features • Contributing to system design, R&D initiatives, and technology improvements • Troubleshooting complex technical and operational challenges • Participating in production support and continuous improvement activities   ? Key requirements: • Strong Python development experience • Solid understanding of algorithms and data structures • Strong SQL skills and experience writing complex queries • Linux knowledge • Commitment to writing clean, maintainable, and testable code   ? Desirable experience: • TDD, BDD, or other testing methodologies • PostgreSQL and/or Snowflake • Django, Flask, or FastAPI • Apache Kafka • Apache Airflow • Java

Job title: Senior Front End Rails Engineer Job type: Contract  Contract Length: 12-Month Contract (Ongoing) Rate: $70 - $85 per hour Role Location: US Remote The company:  A fast-growing AI-native learning platform helping organizations train employees, customers, and partners at scale. Unlike competitors who bolt AI onto legacy systems, this platform was built AI-first from the ground up — with a natural-language agentic interface connecting content creation, administration, delivery, personalization, and analytics in one unified system. They help companies launch training in minutes, not months, and are actively redefining the LMS industry Role and Responsibilities: As a Senior Front End Rails Engineer, you will architect and build core systems that power the platform at scale. You'll own complex technical challenges, drive design decisions, and set a high bar for code quality, performance, and reliability. You'll also mentor engineers, influence best practices, and partner closely with cross-functional teams to deliver impactful software.  Job Requirements:   7+ years of professional software engineering experience in scalable, high-performance production environments Strong proficiency in Ruby on Rails, JavaScript, and at least one modern frontend framework (React, Vue, or Angular) Deep expertise in OOP principles and system architecture Hands-on experience with cloud platforms (AWS, Azure, or GCP) and distributed systems Demonstrated technical leadership — mentoring engineers, facilitating alignment, contributing to sound technical decision-making Strong communicator, able to articulate technical concepts clearly to cross-functional stakeholders   Accessibility Statement: 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. Check out our DE&I page here     

Job title: Sr. Software Engineer Job type: Contract Contract Length: 6-months Rate: $30 - $40 per hour Role Location: Remote - Latam The Company: A fast-paced, product-led engineering team building a mission-critical collaborative editing platform used by professional writers across live television, AAA video game production, and soon film. Think Google Docs, but purpose-built for the entertainment industry, with a robust API that acts as infrastructure for entire production teams. Role and Responsibilities:  Own end-to-end engineering across front end and back end - most work centers on complex front-end UX interaction and rendering Participate in Infrastructure as Code development and optimization using Terraform and AWS Contribute to team culture through clear communication, closing the loop on decisions, and collaborating effectively with both technical and non-technical teammates Participate in incident response and operational support — the team owns its own ops and handles rare incidents directly Job Requirements: 7+ years of hands-on software engineering experience Mastery of React/Next.js and TypeScript with deep experience in complex, interactive front-end development beyond standard web applications Experience with real-time collaboration tools or low-latency distributed system challenges; understanding of persistent data structures Strong communication skills and high EQ - able to work closely in a small, agile team and collaborate effectively with non-technical stakeholders Familiarity with back-end frameworks: NestJS, Prisma, Node.js Comfortable working with Postgres, Terraform, and AWS Experience with CI/CD pipelines and a no-console-changes discipline Experience with Stripe or Okta Accessibility Statement:?  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.??  Check out our DE&I page here    ?   

Job title: Senior Backend Software Engineer — Python Job type: Contract Contract Length: 12 Months Rate: $35 — $45 per hour Role Location: Monterrey, MX | Hybrid The company: A fast-growing technology company building the infrastructure that powers a modern, regulated digital entertainment platform. Their proprietary engine enables partners to launch fully customized, legally compliant products that combine real-time social interactions, predictive gameplay, and entertainment in one unified experience — driving engagement, retention, and revenue at scale. This is a high-growth environment where backend engineers own critical systems, work across compliance-heavy domains, and directly influence the technical direction of a platform used by operators globally.   Role and Responsibilities: Design & Develop Backend Systems — Build scalable, resilient APIs and backend components supporting web, mobile, and third-party integrations Optimize Performance, Security & Compliance — Enhance system performance, implement security best practices, and ensure adherence to AML, KYC, data privacy, and relevant regulatory frameworks Data Infrastructure & Analytics — Develop and maintain data pipelines for analytics, fraud detection, geolocation, and regulatory reporting Technical Ownership & Collaboration — Partner with product, security, compliance, and data teams to translate requirements into effective technical solutions Operational Excellence — Participate in incident response, monitoring, and root cause analysis to ensure system stability and security Mentorship & Innovation — Share knowledge with team members, promote best practices, and explore emerging technologies in fintech, AI fraud detection, and regulated digital platforms Job Requirements: Proven experience designing, building, and scaling high-performance backend systems Strong expertise in Python for backend development, automation, and data processing Proficiency in API development, CI/CD processes, and infrastructure automation Experience in data pipeline architecture, analytics, and geolocation-based access controls Ability to mentor junior engineers and contribute to architectural decisions Familiarity with security and compliance frameworks (AML, KYC, data privacy) and performance tuning Excellent collaboration skills across cross-functional, globally distributed teams Accessibility Statement:?  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.??  Check out our DE&I page here    ? 

Job title: Senior Software Engineer (Typescript, Node, NextJS, React, React Native, GCP)   Job type: Contract (B2B)   Contract Length: Long term, rolling contract   Rate: €300-€350+ per day (depending on experience)   Role Location: Anywhere in the EU (such as Poland, Georgia, Serbia, etc)   The company: A leading SaaS company with a global presence in automation within the manufacturing sector   Role and Responsibilities: Signify have partnered up with a European Automation organisation specialising in offering a solution to large manufacturing industries across the globe. We are hiring for a Senior Full Stack Engineer to work on a digital transformation programme and work on a flagship product.   Job Requirements: 6+ years engineering experience React Native, Typescript (NodeJS), NexrtJS, React,  and some cloud (ideally GCP) 50/50 full stack development Spearheading projects and taking ownership of a product (SaaS) Good communication skills and enjoys bringing new ideas to the table A team player to collaborate working on complex projects   Interview process: 1st stage interview, 2nd stage interview, Final chat.   If you are interested, please apply to this advert or email your CV to iqbal.miah@signify-tech.com   Please note - all applicants must be based in in the EU and work via B2B   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.