Citi's Markets team-a group of passionate and talented engineers, product managers, and tech specialists transforming ambiguous ideas into cutting-edge, scalable products. We specialize in GenerativeAI, backend engineering, and cloud-native architectures to develop mission-critical systems at a global scale. Our team is at the forefront of innovative AI-powered applications, large … Java, Python, Golang, Spring Boot, Flask, and Kubernetes. We focus on integrating RAG-powered LLMs, implementing advanced vector search (FAISS, Milvus, Pinecone), and building scalable and high-performance AI-driven solutions. You Might Be a Good Fit If You: Have deep hands-on software engineering expertise in Java or Python Thrive in a results-driven, flexible … environment Have experience with backend development for AI-powered systems Enjoy building high-performance APIs using Spring Boot, Flask Want to develop AI-powered applications leveraging RAG frameworks, Vector and Similarity search Have experience with Maven or Gradle for Java project dependency management Understand security best practices (Spring Security, SSO, authentication protocols) Are comfortable working with More ❯
East London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior SoftwareEngineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving … complex problems in the FinTech + AI space, and as a Senior SoftwareEngineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring … real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead More ❯
Staff SoftwareEngineer - Java, Python, GenerativeAI, Agentic Systems (REMOTE) page is loaded Staff SoftwareEngineer - Java, Python, GenerativeAI, Agentic Systems (REMOTE) Apply remote type Remote locations CA Palo Alto - JPS NC Raleigh-Durham OR Portland - JPS CA San Diego (Office) - JPS NV Las Vegas time type … Full time posted on Posted 2 Days Ago job requisition id R GEICO is seeking an experienced Engineer with a passion for building high-performance, low maintenance, zero-downtime platforms, and applications to support the Digital Experience for customers. You will help drive our insurance business transformation as we transition from a traditional IT model to a tech … organization with engineering excellence as its mission, while co-creating the culture of psychological safety and continuous improvement. Position Description Our Staff Engineer is a key member of the engineering staff working across the organization to provide a friction-less experience to our customers and maintain the highest standards of protection and availability. Our team thrives and succeeds More ❯
