Senior Software Engineer Technical Lead jobs in London – Browse 4,737 openings on RoboApply Jobs

Senior Software Engineer Technical Lead jobs in London

Open roles matching “Senior Software Engineer Technical Lead” with location signals for London. 4,737 active listings on RoboApply Jobs.

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companyAnkar logo
Full-time|On-site|London

Position OverviewInnovation in the corporate world is undergoing a transformation. The existing systems designed to cultivate and safeguard innovation are unable to keep pace with rapid changes. Currently, 90% of the value of S&P 500 companies is intangible, primarily in the form of intellectual property, yet R&D and IP teams devote 50% of their time on tedious manual tasks, navigating through patents and documentation instead of advancing new ideas. Our mission is to revolutionize this process.At Ankar, we are developing the AI operating system for innovation, transforming how organizations create and secure their inventions. Our platform streamlines the transition of ideas into defensible intellectual property through a comprehensive suite of AI-powered modules, including patent drafting, office action responses, and infringement detection.We are at a pivotal moment:We have raised over $24M from leading venture capitalists such as Atomico, Index Ventures, and Norrsken, along with notable angel investors like the Founder of Hugging Face and executives from Datadog and OpenAI.Our clientele includes some of the world's most innovative firms, such as Fortune 500 giant L’Oréal and the global law firm Vorys.We are expanding our exceptional team, which includes alumni from Palantir, Amazon, and BCG, to tackle the immense $1T+ innovation market. We are just getting started.We are looking for driven individuals to join our team who are ready to take ownership of challenging projects, address complex high-impact problems, and achieve their best work. This role is perfect for a Senior Software Engineer/Tech Lead who excels in ownership, speed, and influence, and who desires to develop products in close collaboration with users.Key Responsibilities:Create exceptional products. Design, build, and maintain scalable, reliable systems and user-centric product experiences that our customers rely on.Transform complex challenges into reliable software. Utilize first principles to convert ambiguous requirements into clear, maintainable, production-ready solutions.Deliver swiftly and iterate continuously. Launch quickly, gather real feedback, and refine the product iteratively with direct customer input.Oversee complete project execution. Assume full responsibility for projects encompassing frontend, backend, and deployment—from design to implementation.

Mar 6, 2026
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companyTessl logo
Full-time|On-site|London Office

Tessl is an innovative Series A startup headquartered in London, founded by the visionary Guy Podjarny. With over $100M raised from esteemed investors such as Index Ventures, Accel, GV, and Boldstart, we have been recognized among the top players in the industry, ranking #2 in Sifted EU’s B2B SaaS Rising 100 and #20 in Sifted's AI 100 this year.At Tessl, we are on a mission to redefine software development through the power of AI. Our AI Native Developers are pioneering a new approach, defining features, architecture, and workflows through specifications rather than code, effectively guiding the work of AI agents. We are at the forefront of creating a groundbreaking platform that embodies this transformative vision, leading a developer movement and ecosystem.Joining Tessl means becoming an integral part of an early-stage team where you have the chance to influence the future of software creation and maintenance.

Mar 13, 2026
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companySchillings logo
Full-time|On-site|12 Arthur Street

At Schillings, we are a multidisciplinary advisory firm specializing in reputation management, privacy, and security. We partner with clients across the UK and internationally to navigate significant opportunities and threats using our unique blend of legal, intelligence, communication, security, and diplomatic expertise.We uphold the belief that everyone deserves fair treatment regarding their reputation, a reasonable expectation of privacy, and a sense of safety.Our specialists work collaboratively in multidisciplinary teams to tackle client challenges, supported by our business services teams including Clients and Markets, HR, Finance, Risk and Compliance, IT, and Client Services.As a growing business, we offer opportunities at all levels across various areas. With the world's largest team of specialist media lawyers, a developing Intelligence & Investigations team, an expanding Critical Risks unit, an evolving Digital Resilience practice, and the soon-to-expand Schillings Communications agency, we are on a trajectory of significant growth.Schillings is a collaborative and welcoming workplace, characterized by a positive culture, strong values, and a commitment to service excellence. We seek individuals who demonstrate commitment, diligence, agility, and professionalism. In return, we offer competitive packages and stimulating work. Our commitment to learning and development fosters career progression, as evidenced by the fact that a third of our staff have been with us for over five years. Join us and contribute to our story.

Mar 4, 2026
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companyFaculty logo
Full-time|On-site|London

Why Join Faculty?Founded in 2014, Faculty believes that artificial intelligence (AI) is poised to be one of the most transformative technologies of our era. Over the years, we have collaborated with more than 350 global clients, helping them enhance their performance through human-centered AI solutions. Discover our impactful projects here.At Faculty, we prioritize genuine innovation over fleeting trends. We focus on developing and implementing responsible AI that truly makes a difference. Our clients range across various sectors, including government, finance, retail, energy, life sciences, and defense, and we possess an unmatched depth of technical, product, and delivery expertise.As our reputation grows, we continuously seek talented individuals who share our intellectual curiosity and are eager to leave a positive legacy through technology.AI is a groundbreaking technology; join us to explore its most powerful applications and help bring them to life.About the TeamWithin our Professional and Financial Services Business unit, we leverage over a decade of Applied AI experience to assist our clients in navigating a fast-evolving landscape. We create and integrate AI solutions that enhance efficiency, improve customer experience, and uncover commercial opportunities in uncertain markets. In a highly regulated industry, we see immense potential for meaningful innovation and are proud to set the standard for combining technical excellence with secure deployment.About the RoleAs a Lead Software Engineer, you will drive the technical direction and execution of complex, innovative AI projects. Acting as a technical authority, you will apply your expertise across various initiatives, from AI strategy formulation to client-side implementations, ensuring that architectural decisions are both robust and reliable. This role requires a blend of profound technical knowledge and strong leadership capabilities, emphasizing innovation, team development, and the creation of reusable solutions across the organization. If you are ready to oversee high-stakes projects and deliver impactful, innovative results, this is your opportunity to shape our future.What You'll Be DoingLeading the technical direction and delivery of sophisticated AI projects.Applying your technical expertise to various projects, ensuring sound architectural decisions.Driving innovation while fostering team growth and collaboration.Building reusable solutions that can be leveraged across the organization.

Nov 26, 2025
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companyRavio logo
Full-Time|On-site|London

Join us in transforming compensation for companies worldwide.At Ravio, we understand that the compensation we receive at work greatly influences our lives and career choices. In today's competitive landscape, attracting and retaining talent hinges on fair and informed pay practices. Unfortunately, many companies still rely on outdated data and inadequate tools for their compensation decisions. That's where Ravio steps in.We empower some of the most innovative and ambitious companies to build stronger teams and achieve their objectives through intelligent compensation strategies. Our cutting-edge real-time data platform modernizes the compensation landscape, providing comprehensive insights into salary, equity, and benefits.As a rapidly growing organization, Ravio has established itself as the leading provider in Europe, serving over 1,200 clients. Our ambitious goal is to become the global authority on compensation data and management tools.If you're eager to immerse yourself in a startup environment and contribute to scaling a global product, you’ve come to the right place.Your RoleWe are seeking two dynamic Senior Lead Software Engineers to join our engineering team. In this pivotal role, you will provide technical leadership and drive significant contributions to our product's architecture and design.As part of our Web App engineering team, you will be instrumental in developing Ravio's customer-facing web application, a sophisticated data and SaaS platform. You will take ownership of various facets of product architecture and technical design, leading implementations with expertise.You should possess extensive experience in at least one specialized area such as frontend, backend, security, infrastructure, or performance, and you will set high standards for code quality, system reliability, and design excellence.Our team is composed of specialists in both frontend and backend development, and every member contributes across the full technology stack. This hands-on role requires you to lead technical decision-making and tackle the most complex challenges we face. Additionally, as our company expands, management opportunities will arise for those interested in leadership roles.QualificationsA minimum of 8 years of professional experience in software engineeringProven ability to inspire teams and lead impactful projects with minimal oversightDemonstrated proficiency in senior-level contributions inTypeScriptJavaScriptNode.jsCloud infrastructure (AWS, Azure, etc.)CI/CD practices

Jun 30, 2025
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companyCaxton logo
Full-time|On-site|London, England, United Kingdom

Caxton seeks a Senior Software Engineer (C# / .NET) to lead a team of developers in London. This role blends hands-on engineering with team leadership, focusing on delivering reliable software using C# and .NET. Key responsibilities Mentor and guide a group of software developers Shape technical decisions and encourage strong team collaboration Maintain high standards of software quality and reliability Take part in designing and implementing new solutions Location This position is based in London, England, United Kingdom.

Apr 24, 2026
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companyElliptic logo
Full-time|On-site|London, United Kingdom

Join Elliptic, where our cutting-edge Investigator tool empowers compliance teams globally to execute investigations with unprecedented speed and efficacy, utilizing the world's most precise crypto identity dataset. Our intuitive forensics visualize fund flows across blockchains at the click of a button, enabling teams to uncover vital evidence swiftly and resolve criminal cases more efficiently. We're seeking a dynamic Engineering Lead to elevate our product and team to new heights.Your Impact:As the Lead of the Investigations team, you will redefine how compliance teams monitor fund movements and combat financial crime. Collaborating closely with product management, you will guide the technical strategy of our platform, transforming complex blockchain data into intuitive and valuable product features.You will mentor and cultivate a high-performing team, instilling a culture of innovation and accountability, while partnering across the organization to provide significant value to our users.Your Responsibilities:Write and review code to support the team, exemplifying best practices, and collaborate with engineers to share insights and tackle complex challenges.Guide your team in making informed technical choices by evaluating trade-offs and selecting strategies that align technical quality with business objectives.Work collaboratively with Product and other stakeholders to ensure the team focuses on the most impactful work.Empower team members to discover their own solutions, enhancing problem-solving skills and fostering a self-sufficient, resilient team.Provide comprehensive system context and overviews to new team members, expediting their onboarding and productivity.Articulate complex technical concepts clearly to engineers, managers, and business stakeholders.Your Qualifications:Leadership Experience: You have successfully led or mentored a small engineering team (approximately 3–6 members) and contributed to their professional growth.Proficiency in JavaScript/TypeScript: Strong skills in backend (Node.js) and frontend (React) development. Experience with frameworks such as NestJS or Redux is an advantage.Architectural Acumen: You have designed scalable UI applications and APIs and are adept at making informed decisions regarding technology choices and architectural patterns.Problem-Solving Mindset: A passion for tackling complex technical challenges and a commitment to continuous improvement.

Feb 5, 2026
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companyHudl logo
Full-time|On-site|London, United Kingdom

Join Hudl as a Lead Software Engineer and make an impact in the world of sports technology. In this role, you'll lead a team of talented engineers to design, develop, and implement innovative software solutions that empower athletes and coaches. Your expertise will drive project success and enhance our product offerings.

Mar 12, 2026
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companyabound logo
Full-time|On-site|London

Join abound as a Lead Software Engineer and take your career to the next level! In this pivotal role, you will spearhead innovative software solutions that drive our business forward. Collaborate with a talented team of engineers and play a key role in shaping the future of our technology stack.We are looking for passionate individuals who are eager to tackle complex challenges and deliver high-quality software. Your leadership will be crucial in mentoring junior developers and setting best practices in code quality, testing, and deployment.

Mar 12, 2026
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companyMultiverse logo
Full-time|On-site|London

Join Multiverse as an IT Technical Lead, where you will play a pivotal role in guiding our technical team to success. You will be responsible for overseeing project delivery, mentoring team members, and ensuring the implementation of best practices in technology solutions. Your expertise will help drive innovation and efficiency within the organization.

Mar 10, 2026
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companymarshmallow logo
Technical Lead

marshmallow

Full-time|On-site|London

Marshmallow seeks a Technical Lead in London to guide the technical direction of major projects. This position centers on shaping solutions that align with the company’s objectives and maintaining strong engineering standards. What you will do Lead a team of engineers, providing both technical guidance and mentorship. Define and oversee solutions that support Marshmallow’s business goals. Promote high standards of quality and collaboration within the team. Team leadership This role involves supporting the professional growth of engineers and fostering a culture of learning and improvement. Location This position is based in London.

Apr 28, 2026
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companyOrbital logo
Full-time|$60M/yr - $60M/yr|On-site|London

Join us at Orbital as we redefine real estate transactions to be smarter, faster, and seamless. As the largest asset class globally, real estate is still hindered by outdated legal processes that are slow and manual. Lawyers face the daunting task of meticulously reviewing lengthy documents while clients demand quicker, more transparent due diligence. Enter Orbital Copilot, the AI-powered assistant tailored specifically for commercial real estate law. Built in collaboration with experienced real estate attorneys, it enhances complex due diligence processes by up to 70%, all while ensuring legal-grade accuracy. With a recent funding boost of $60 million in Series B, we are poised for rapid expansion across the UK and US. We are proud to be partnered with leading firms like Goodwin and BCLP, empowering legal teams to focus on their core competencies: exercising sharp legal judgment, providing exceptional client service, and closing deals efficiently. At Orbital, you will be part of a team that is revolutionizing the real estate transaction landscape - moving fast, collaborating effectively, and empowering you to make a significant impact from day one.As a Lead Software Engineer, you will develop innovative tools that transform how the world’s largest asset class is transacted. We’re shifting property transactions from tedious manual checks to an automated AI solution that mimics the thought processes of real estate lawyers.You won’t just implement builds; you will leverage your expertise to guide product development and lay the groundwork for our next growth phase. The potential for influence and innovation is immense.Key ResponsibilitiesLead the development of critical product features from ideation to production, establishing the technical direction and architecture.Oversee projects from start to finish, mentoring small teams of 2-4 engineers to ensure the delivery of reliable production systems.Direct AI coding agents to create, iterate, and refine high-quality software.Engage with a tech stack that includes TypeScript, React, PostgreSQL, and Python, reviewing and enhancing the code generated by AI agents.Quickly transform new ideas into customer-facing features, ensuring alignment with user expectations and market demands.

Mar 12, 2026
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companyFaculty logo
Full-time|On-site|London

Join our dynamic team at Faculty as a Lead Software Engineer, where you will spearhead innovative projects and mentor a talented group of developers. You will play a vital role in shaping our software solutions while collaborating with cross-functional teams to deliver high-quality products. Your leadership will help drive our mission to revolutionize the tech landscape.

Mar 25, 2026
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companyFaculty logo
Full-time|On-site|London

Join Faculty: Pioneering AI InnovationFounded in 2014, Faculty believes that artificial intelligence (AI) is the transformative technology of our era. We have partnered with over 350 global customers, driving performance improvements through human-centric AI solutions. Discover our impactful projects here.At Faculty, we prioritize innovation over trends. Our mission is to develop and implement responsible AI that truly makes a difference. Our team brings unmatched expertise in technology, product development, and delivery to various sectors, including government, finance, retail, energy, life sciences, and defense.As our reputation grows, we seek individuals who share our curiosity and commitment to creating a lasting positive impact through technology.AI is a game-changing technology. Join us to explore its most powerful applications and bring them to life.Role OverviewAs a Lead Software Engineer within our Customer Development team, you will not only develop software but also spearhead the deployment, customization, and scaling of our innovative Frontier platform for enterprise clients.As we broaden the reach of our platform, you'll have the distinct opportunity to create a scalable AI-focused product while remaining attuned to real-time customer feedback and setting the standard for technical excellence.This role immerses you in the deployment of Frontier in complex environments, addressing real-world challenges with cutting-edge technology. Your work will optimize multinational supply chain logistics, expedite clinical trial timelines, and support sustainability initiatives, enabling organizations to make informed decisions through AI-enhanced insights.Embark on this thrilling journey of transforming decision-making with AI and machine learning, revolutionizing business success through Decision Intelligence.

Aug 1, 2025
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companyPMG logo
Full-time|On-site|London, UK

Join PMG: A Leader in Marketing InnovationRecognized by Ad Age as one of the Best Places to Work for 11 consecutive years and awarded by Fast Company as a Best Workplace for Innovators since 2022, PMG stands as a global marketing services and technology company dedicated to inspiring people and brands to realize their full potential. Through our unique operating system, Alli, we integrate business strategy, creative solutions, and media insights to create transformative digital solutions and media strategies.With a diverse team of over 900 employees worldwide, we proudly partner with esteemed brands like Apple, Nike, Sephora, and many others, delivering impactful marketing campaigns across more than 85 countries.Your Role at PMGAs the Lead Software Engineer, you will be an integral part of our collaborative and innovative team. You will contribute to the development of Alli, a cloud-based suite of AI-driven tools that enhances digital marketing for some of the world’s leading brands. Last year, our platform enabled marketing campaigns that connected with over 1 billion consumers globally, achieving remarkable results for our clients.You will focus on one of Alli’s core pillars—Actions, Data, or Insights—working alongside cross-functional teams to tackle complex challenges and create scalable, AI-enhanced solutions. Your contributions will be pivotal in enhancing PMG’s platform, helping brands engage their audiences more effectively.At PMG, we are looking for innovators and problem-solvers who are ready to take on the challenges of tomorrow. Your work will not just stay in the realm of theory; it will directly impact the future of digital marketing.

Mar 18, 2026
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companyPA Consulting Group logo
Technical Lead

PA Consulting Group

Full-time|On-site|London

Join PA Consulting Group as a Technical Lead in our dynamic Digital department. As a Technical Lead, you will spearhead innovative projects, driving technological advancements and fostering a culture of excellence within your team. Your expertise will guide the development of cutting-edge solutions that meet the evolving needs of our clients.In this role, you will collaborate with cross-functional teams, ensuring the successful delivery of projects from inception to implementation. Your leadership will empower team members, encouraging professional growth and fostering a collaborative work environment.

Oct 31, 2025
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companyTracer logo
Full-time|On-site|London

About UsAt Tracer, we are pioneering the development of autonomous AI agents designed specifically for production data pipelines. As an early-stage, venture-backed startup, we are supported by seasoned professionals and investors who foresee AI's transformative impact on enterprise software over the coming decade. Our tight-knit team is comprised of senior experts who are keenly focused on execution and innovation. About the RoleWe are seeking a Lead AI Software Engineer to join our London team, responsible for creating and managing the core systems that convert production alerts into actionable root cause analyses (RCAs) and corrective suggestions. While the agent handles the heavy lifting, you will ensure that human oversight remains integral to production decisions.In this role, you will serve as the primary technical authority for our systems, collaborating closely with the founders and engaging in hands-on development. You’ll Love Our Tech StackPython + LangGraph (for multi-agentic alert investigation)Rust (to ensure speed and correctness)ClickHouse (to manage high-volume events and investigation histories)AWS + Terraform (for self-building infrastructure)Next.js + TypeScript (for dynamic front-end experiences) What You’ll DoIn this pivotal role, you will oversee the systems that transform alerts into thorough investigations and RCAs. Your responsibilities will include:Designing and building the core alert, investigation, and RCA pipeline using PythonCrafting and implementing essential systems, such as:Alert ingestion and normalizationContext enrichment and correlationProblem framing outputsHypothesis orchestration engineInvestigation execution runtimeInvestigation artifacts and reportingLeading crucial architectural decisions to ensure the system is observable, auditable, and reliable from day oneCollaborating with founders to effectively deploy a select few high-value alert types before gradually expanding our capabilitiesDeveloping customer-ready integrations throughout the pipeline

Jan 30, 2026
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companyUnity Technologies logo
Full-time|On-site|London, United Kingdom

Join Our Dynamic TeamThe Unity Studio Productions team comprises exceptional Software Developers and Technical Artists, experts in the Unity platform. Our mission is to empower our clients to optimize their projects and enhance internal workflows while tackling complex technical challenges in collaboration with the Unity Engine team. We offer both short-term and long-term co-development services, ranging from one week to eighteen months and beyond.We partner with renowned game development studios and publishers who seek to enhance their games’ performance, achieve visual milestones, port to challenging platforms, and receive timely Unity-related guidance. If you possess strong technical skills, a customer-centric mindset, a curiosity for innovation, and thrive in diverse environments, we invite you to apply.In this role, you will work closely with game development studios, optimizing their games and devising solutions to their most pressing challenges, ensuring their projects achieve success.We are dedicated to fostering a diverse workforce and encourage applicants from all backgrounds to apply.

Mar 31, 2026
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companymentis logo
Full-time|On-site|London

About MentisAt Mentis, we are dedicated to creating reliable AI solutions for critical sectors such as finance, healthcare, and legal. Our team specializes in developing meticulously curated evaluation datasets and reinforcement learning environments. We empower AI labs and startups by providing them with expertly crafted training data, calibrated assessment rubrics, and rigorous task environments to push the boundaries of AI capabilities in regulated industries.As a tight-knit team based in London, we pride ourselves on our agility and commitment to excellence. Every member plays a vital role in our mission, and we value initiative and ownership in our collaborative work culture. If you are passionate about shaping the future of frontier AI applications, we want to hear from you.About the RoleAs a Software Engineer and Member of Technical Staff, you will be instrumental in building and scaling the platform that drives Mentis' operations. You will develop essential annotation tools, workflow systems, quality control pipelines, and internal infrastructure fundamental to every dataset and environment we deliver.Your daily tasks will include designing expert task creation workflows, creating task assignment and review interfaces, developing data pipelines to convert expert outputs into structured training sets, and integrating LLM-powered tools into our product. Your role will vary from product engineering to infrastructure development, with a consistent focus on producing high-quality evaluation data at scale.You will take ownership of the platform's development, making key decisions on what features to build, how to implement them, and establishing the standards for our growth.What You'll DoDevelop and manage the core data annotation and workflow platform from start to finish, overseeing task assignment, expert interfaces, quality control, and dataset delivery.Design systems that facilitate expert onboarding, task routing, review workflows, and scalable quality assurance processes.Enhance AI-integrated pipelines across the platform, including LLM-assisted annotation, automated checks, and model-in-the-loop workflows.Collaborate directly with founders and domain experts to streamline bespoke processes into effective, scalable software solutions.Make informed product and engineering decisions in a dynamic environment, prioritizing and shipping features without waiting for perfect specifications.Contribute to defining our team’s development practices, including tooling choices, engineering standards, and product strategy.Who We're Looking ForWe seek a proactive individual who thrives in fast-paced environments and embraces ambiguity. If you are excited about the opportunity to influence how AI learns and operates in real-world settings, we welcome your application.

Mar 31, 2026
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companyTalan logo
Full-time|On-site|London

Role OverviewJoin our dynamic team at Talan as a Lead Software Engineer specializing in Risk Technology. In this pivotal role, you will be instrumental in the design, development, and delivery of robust, enterprise-grade platforms. This position uniquely blends in-depth technical expertise with engineering leadership, ensuring that all solutions are secure, scalable, and production-ready. Key ResponsibilitiesEngage directly in the architecture, development, testing, and deployment of advanced Risk systems and data platforms.Assume ownership of the Software Development Life Cycle (SDLC), producing clean, secure, and maintainable code that adheres to engineering standards.Advocate for engineering excellence through structured code reviews, performance optimization, refactoring, and the adoption of best practices.Lead automation efforts in build, testing, deployment, and environment management processes to enhance reliability and efficiency.Provide technical leadership in architecture, tooling, and development standards, mentoring fellow engineers and fostering a culture of continuous improvement.Design and refine CI/CD pipelines to facilitate secure, stable, and repeatable releases, integrating automated quality controls and environment governance.Collaborate on scalable and resilient system design, assessing emerging technologies to enhance platform capabilities and developer productivity.Champion the integration of AI, ML, and intelligent automation to elevate code quality, testing effectiveness, and release efficiency.Develop comprehensive automated testing strategies (unit, integration, regression, functional) within CI/CD frameworks, partnering with QA teams to expedite defect resolution.Collaborate closely with Product, Project Management, Architecture, Technology Risk, and Production Support teams to synchronize delivery priorities, manage dependencies, and ensure compliance with governance standards. Skills & ExperienceTechnical CapabilitiesProficient in C#, Java, and .NET technologiesExtensive knowledge of web technologies, including ASP.NET, MVC, Razor, and JavaScriptExperienced in scripting and automation using PowerShell, Python, Groovy, or Shell scriptingHands-on experience with CI/CD and source control tools such as Jenkins, TeamCity, Git, and NexusFamiliarity with distributed messaging and communication technologies, including WCF, gRPC, SignalR, and RabbitMQProven experience implementing automated testing within continuous integration pipelines.Professional ExperienceExperience in investment banking environments is essential.A demonstrated history of delivering across the full SDLC.Experience within Risk technology environments is preferred.Ability to engage with stakeholders across Architecture, Governance, Risk, and Production Support teams.

Feb 24, 2026

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