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AI, ML, & Data Engineering

ADVANCE SOFTWARE ENGINEERING

AI, ML, & Data Engineering

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Role: Senior Frontend Engineer (UI/UX + AI-Assisted Development) Industry: HR Tech / Enterprise SaaS Salary: $150K–$180K + annual profit sharing Full-time, Permanent Role What They Do: Our client is a profitable, 20+ year-old SaaS company entering a major modernization phase. They are rebuilding their entire platform—migrating from a legacy front end to a fully redesigned, component-driven UI powered by a new design system, modern JavaScript frameworks, and AI-assisted development workflows. With major customers ready to adopt upcoming features, they are effectively operating in “startup mode” with the stability of an established business. The Role: They are hiring their first dedicated frontend engineer to own the rebuild of the company’s UI/UX from the ground up. You’ll implement a newly completed design system (delivered in Figma), work closely with engineering leadership to define architecture and patterns, and leverage AI tools that generate ~80% of the baseline React code. Your job is to guide them, correct them, and establish frontend excellence that the team can scale on for years. You’ll be responsible for: Building the new UI from completed Figma files using React + TypeScript Defining the frontend architecture, component patterns, file structure, and naming conventions Partnering with backend engineers to design clean, reusable API contracts Using AI-assisted tools for code generation, paired programming, & workflow acceleration Ensuring the generated code is correct, maintainable, and does not “hallucinate” Contributing UX insight and helping unify the look and feel across multiple product areas Supporting long-term modernization: current front end ? next-gen system (2024) ? backend rebuild (2027) About You: 5+ years of professional frontend experience (senior-level) Strong experience in modern JavaScript/TypeScript and component-based frameworks (React) Proven ability to translate UI/UX designs into clean, scalable production code A strong opinionated sense of architecture, structure, readability, and long-term maintainability Experience working with design systems and Figma files Ability to explain state management trade-offs, architectural decisions, and API contract design Interest or experience in AI-assisted development tools (Copilot, GPT-based codegen, etc.) High ownership, energy, and willingness to operate in a fast-moving, startup-like environment Compensation & Perks: $150K–$180K base salary Annual profit sharing Full medical, dental, and vision coverage PTO, paid holidays, and flexible remote work Additional stretch-goal bonus opportunities aligned with company OKRs Remote-friendly; monthly in-office optional meetup (Austin area)

Job title: Senior Java Developer  Job type: Perm Salary: £80,000 - £90,000 Role Location: London  Role and responsibilities: Designing, developing, and maintaining scalable Java applications using strong OOP principles. Playing an active role in requirements gathering and design workshops, contributing ideas and identifying gaps. Mentoring and pairing with junior developers to support team growth and best engineering practices. Implementing and optimising microservices and distributed systems using GCP technologies (GKE, PubSub, BigQuery, Dataflow). Designing and maintaining data processing pipelines across streaming, relational, and NoSQL systems. Writing and executing unit, integration, and non-functional tests to uphold high code quality standards. Participating in Agile ceremonies, researching new approaches, and contributing to team discussions. Supporting CI/CD processes with Jenkins and Git, ensuring smooth deployments and automation. Troubleshooting production issues, proposing improvements, and staying ahead of emerging technologies. Job requirements: Designing, developing, and maintaining scalable Java applications using strong OOP principles. Playing an active role in requirements gathering and design workshops, contributing ideas and identifying gaps. Mentoring and pairing with junior developers to support team growth and best engineering practices. Implementing and optimising microservices and distributed systems using GCP technologies (GKE, PubSub, BigQuery, Dataflow). Designing and maintaining data processing pipelines across streaming, relational, and NoSQL systems. Writing and executing unit, integration, and non-functional tests to uphold high code quality standards. Participating in Agile ceremonies, researching new approaches, and contributing to team discussions. Supporting CI/CD processes with Jenkins and Git, ensuring smooth deployments and automation. Troubleshooting production issues, proposing improvements, and staying ahead of emerging technologies. 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. Check out our DE&I page here

Role: Staff-Level Full-Stack Product Engineer Industry: Fintech Salary: $150K–$250K + meaningful equity Full-time, Permanent Role What They Do:  Our client is a Series A startup (~12 people), building the modern platofrm for hotels and their suppliers: a two-sided marketplace + automated accounts payable + bill-pay platform that’s now rolling out full payments. They are already live with dozens of hotel groups and thousands of suppliers, digitizing millions in paper invoices every month. The role: They are looking for a staff-level engineer who will own major product surface area end-to-end and bring professional rigor as they scale from 1to N. You’ll work directly with the founders and a small, high-ownership team. You’ll be responsible for: Designing and shipping core payments and money-movement features  Building rock-solid integrations with banks, accounting platforms, ERPs, and property management systems Owning features from database schema ? background jobs ? Hotwire UI Helping professionalize infrastructure while still moving extremely fast About you: 8–12+ years shipping production systems at staff/expert level Deep, current Ruby on Rails expertise (monolith, Postgres, Sidekiq, etc.)  Full-stack ownership – comfortable going DB to API  to responsive UI Real payments/fintech experience (PCI, ACH, bank APIs, accounting integrations, compliance workflows) Compensation & perks $150K–$250K base + meaningful Series A equity (real upside) 75% paid medical, dental, vision for you + dependents 401(k) Quarterly team offsites (they fly everyone in and put the team up at partner hotels) Remote-first, minimal meetings, high trust culture

Job Title: iOS Developer Job Type: Permanent Salary: Competitive Role Location: Hybrid – Amsterdam (2 days a week) The Company: A fast-moving product studio building greenfield mobile experiences used by millions. You’ll join a highly collaborative mobile team that values clean architecture, experimentation, and shipping high-quality apps. If you enjoy working across both native iOS and cross-platform stacks, this is an environment designed for you. Role and Responsibilities We’re hiring an iOS Developer to help build entirely new mobile products from the ground up. If you’re excited by ownership, modern tech, and the freedom to shape how things are built, you’ll feel right at home. What You’ll Be Doing Designing and developing brand-new mobile apps from scratch. Building high-quality iOS and React Native features and experiences. Contributing to architectural decisions, estimations, and technical direction. Improving internal tooling, workflows, CI/CD, and general engineering practices. Working closely with designers and product to bring commercial thinking into engineering decisions. Staying ahead of emerging mobile trends and sharing knowledge across the team. Job Requirements 5–7 years of overall mobile development experience. 3–4+ years of hands-on iOS development (Swift). Strong Swift fundamentals and familiarity with Swift Package Manager (SPM). Experience working with both SwiftUI and UIKit. React Native experience or a strong willingness and ability to learn quickly. Passion for clean architecture, maintainability, and crafting great user experiences. If interested, apply to be considered! 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. Check out our DE&I page here.

Job Title: Senior Backend Engineer (TypeScript / Node.js) Job Type: Freelance Contract Contract Length: 12 months (minimum) Role Location: Fully Remote - must be based in the EU - applications outside will not be considered. The Company: A European fintech organisation building modern payment and commerce solutions. The engineering teams work across multiple European locations and focus on delivering scalable, secure, and high-performance payment technology. Role and Responsibilities: Develop and maintain backend services using TypeScript, Node.js, and microservices. Lead application design, testing, and backend architecture improvements. Implement Infrastructure as Code using Terraform or Pulumi. Work with PostgreSQL and NoSQL databases. Manage infrastructure on GCP and support Kubernetes-based environments. Build and maintain CI/CD pipelines (CircleCI, GitHub Actions, ArgoCD). Set up and improve monitoring and observability using Datadog. Collaborate with cross-functional teams and mentor engineers. Job Requirements: 6+ years of backend engineering experience with TypeScript and Node.js. Strong knowledge of microservices, IaC, and cloud infrastructure (GCP preferred). Experience with Kubernetes, PostgreSQL, and NoSQL databases. Solid understanding of CI/CD best practices and delivery pipelines. Strong communication skills and ability to guide technical teams. Background in fintech or payments is beneficial but not required. Accessibility Statement: You can apply in the way that suits you best. Adjustments are available throughout the hiring process. Our Commitment to Diversity, Equity, and Inclusion: We are committed to ensuring equal opportunities and fostering a diverse and inclusive working environment.

Seeking a Senior Product Lead to own strategy, delivery, and optimization of AI-driven enterprise SaaS products. This role combines deep technical product management with hands-on experience in automation, AI agents, and the Microsoft Power Platform. Key Responsibilities Define product vision and roadmap for AI/ML and automation-focused solutions. Lead end-to-end product lifecycle across discovery, requirements, development, launch, and iteration. Build intelligent workflows using Microsoft Copilot Studio, Power Automate, Power Apps, and M365 integrations. Collaborate with engineering, data science, and UX to deliver scalable, user-centric solutions. Write clear requirements, user stories, and technical documentation. Manage API/connector integrations and ensure compliance, governance, and security standards. Drive agile delivery (Scrum/SAFe) and support enterprise adoption and change management. Core Skills AI Agents & Automation Microsoft Copilot Studio Power Platform (Power Automate, Power Apps) Workflow Automation & M365 Integration Prompt Engineering API Integrations Requirements & User Stories Low-Code/No-Code Development Data Strategy & Model Evaluation Process Mapping & UX Collaboration Experience 7+ years in Product Management with focus on AI/ML, automation, or enterprise SaaS. Proven ability to lead cross-functional teams and deliver complex technical products.

Job Advert: Senior Bioinformatics Scientist 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.

We’re assembling a high-impact external development team to support major internal product transformations. We seek Full-Stack Developers experienced in both Python API development and Vue 3 on the frontend. Responsibilities Develop and maintain REST APIs using Python (FastAPI preferred). Build responsive, modern web interfaces using Vue 3. Integrate Vue components with backend Python services. Work alongside backend developers, QA, DevOps, and a Project Manager. Participate in sprint ceremonies and cross-team collaboration. Required Skills 3–5 years of engineering experience. Strong backend experience with Python + REST APIs. Vue 3 (composition API strongly preferred). Experience integrating front-end apps with API endpoints. Solid understanding of SQL databases.

We are expanding our engineering organization and establishing a fully outsourced development team. We’re seeking strong mid-level Backend Python Developers with experience building scalable REST APIs and integrating with Microsoft SQL Server. Responsibilities Develop RESTful APIs using Python (FastAPI preferred; Django acceptable). Integrate backend services with MS SQL Server. Collaborate with QA, DevOps, project managers, and full-stack engineers. Participate in code reviews and technical discussions. Work closely with the VP of Engineering during development cycles. Complete a short coding assessment as part of the hiring process. Required Skills 3–5 years of professional backend development experience. Python with FastAPI or Django. Strong experience building REST APIs. SQL expertise, ideally with Microsoft SQL Server.  

Job Title: Senior Full-stack Engineer (TypeScript / Node.js / Vue) Job Type: Contract Contract Length: 12 months (minimum) Rate: €380/day maximum Role Location: European Union (Remote) The Company: A European tech-led payments organisation. They operate across several EU locations and supports global e-commerce and retail clients. Role and Responsibilities: Design, build, and maintain fullstack solutions using TypeScript, Node.js, and Vue.js (or similar frameworks). Develop and scale microservices with a focus on performance, reliability, and maintainability. Build and optimise user-facing applications following modern frontend best practices. Implement Infrastructure as Code (Terraform or Pulumi) and support scalable deployment workflows. Manage cloud infrastructure (GCP preferred), including Kubernetes-based environments. Create and maintain CI/CD pipelines (CircleCI, GitHub Actions, ArgoCD). Monitor, debug, and improve system performance using modern observability tools. Collaborate with designers, product teams, and engineers to deliver cohesive solutions. Job Requirements: 6+ years of full-stack engineering experience. Strong knowledge of TypeScript, Node.js, and at least 2 years with Vue.js (or React/Angular). Solid understanding of microservices, PostgreSQL, and NoSQL databases. Hands-on experience with GCP, Kubernetes, and containerised deployments. Proficiency in modern frontend development (HTML5, CSS3, state management tools, optimisation). Experience with CI/CD practices and testing frameworks (Jest, Cypress). Strong communication skills and ability to mentor others. Experience in payments/fintech is a bonus. Accessibility Statement: Read and apply in the way that works best for you using our accessibility tool (Recite Me). Adjustments can be provided throughout the application and interview process. Our Commitment to Diversity, Equity, and Inclusion: We are committed to providing equitable opportunities for all individuals and building a diverse future—one placement at a time.