Back End Engineer Jobs

Capco Associate Talent Program – Dallas January 2027 About the Team: Capco is a fully independent, global management and technology consultancy providing services to the Financial Services and Energy industries. For nearly 20 years we have combined innovative thinking with deep industry knowledge to deliver business consulting, digital transformation and technology services to our clients. Our collaborative and efficient approach helps clients reduce costs and manage risk and regulatory change while increasing revenues. We are thinkers, innovators, and disruptors. We are small enough to care but large enough to matter. We work in a fast-paced environment where we challenge and support one another. Individuality and ideation are encouraged. Our team strives to be trusted advisors to our clients. What is our Associate Talent Program? Our Associate Talent Program is designed for recent graduates. It starts with an intensive developmental training program to ensure that you have both the soft and hard skills to hit the ground running at a client site. Our program provides you with a strong foundation of consulting methodologies, enterprise technology standards, and personal brand development on which to build and see growth in your career within the Capco family. Examples of projects / roles include: User Experience and UI Center of Excellence: Join a team of UI experts as they work to standardize the user experience across 100 web applications at a leading secondary mortgage market player. Work closely with User Experience Designers and front-end Engineers to create a plethora of reusable components using leading web frameworks (Angular / React). Digital Transformation Initiative: Interact with a team of broad skillsets to build out an omnichannel wrapper over a core system. Engaging with a team of Designers, Business Analysts, front-end (Angular), back-end (Java), and Mobile(Android/iOS) Engineers to build out capabilities that enhance and expand the base functionalit

Capco Associate Talent Program – Houston January 2027 About the Team: Capco is a fully independent, global management and technology consultancy providing services to the Financial Services and Energy industries. For nearly 20 years we have combined innovative thinking with deep industry knowledge to deliver business consulting, digital transformation and technology services to our clients. Our collaborative and efficient approach helps clients reduce costs and manage risk and regulatory change while increasing revenues. We are thinkers, innovators, and disruptors. We are small enough to care but large enough to matter. We work in a fast-paced environment where we challenge and support one another. Individuality and ideation are encouraged. Our team strives to be trusted advisors to our clients. What is our Associate Talent Program? Our Associate Talent Program is designed for recent graduates. It starts with an intensive developmental training program to ensure that you have both the soft and hard skills to hit the ground running at a client site. Our program provides you with a strong foundation of consulting methodologies, enterprise technology standards, and personal brand development on which to build and see growth in your career within the Capco family. Examples of projects / roles include: User Experience and UI Center of Excellence: Join a team of UI experts as they work to standardize the user experience across 100 web applications at a leading secondary mortgage market player. Work closely with User Experience Designers and front-end Engineers to create a plethora of reusable components using leading web frameworks (Angular / React). Digital Transformation Initiative: Interact with a team of broad skillsets to build out an omnichannel wrapper over a core system. Engaging with a team of Designers, Business Analysts, front-end (Angular), back-end (Java), and Mobile(Android/iOS) Engineers to build out capabilities that enhance and expand the base functionali

Weekly office requirement: Monday/Wednesday weekly Employment type: Permanent Seniority level: Mid-senior At GWI we’re always looking for extraordinary people who thrive on making an extraordinary impact. Right now we’re looking for a Product Manager to play a key role in our User Management (Revenue & Enablement) team in London . If that’s you, and making a difference gets you out of bed in the morning, keep reading. It could be the start of something, well, extraordinary. Sounds great, what will I be doing? 🤔 As our Product Manager you'll own the systems that make GWI's subscription and consumption business run, such as billing, metering, user plans, feature access, product analytics and user messaging. It's the layer everything else sits on. Get it right and GWI can price, package and sell in new ways. Two big pieces of work sit at the heart of this role. The first is billing for our consumption products, which is an area we're actively developing, and one you'll help shape. The second is making our internal tools talk to each other properly, so user data flows consistently between them and Salesforce, and everyone across the business is working from the same picture. Most of your stakeholders are internal - Revenue Operations, Finance, Business Intelligence, Client Success and Engineering - with some direct client contact along the way. You'll lead one squad of front-end and back-end engineers and a designer, alongside the PM and Engineers in our sister squad, Identity & Access - together you cover the whole of User Management. A few things you’ll be responsible for: 👉 Connecting our internal user management tools with Salesforce and each other, so data flows consistently and user information is mapped the same way everywhere 👉 Billing for our consumption products - metering, API usage, payment flows and user plans 👉 Customer feature flags, access and management - who can see what, and why 👉 Product analytics - event firing, sign-up flow

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Why this role? This role is for a highly experienced Back-End Software Engineer who wants to work on core systems that shape how the platform (Model Vault) operates. You will help define the architecture of the platform where reliability, security, performance, and simplicity all matter, and where many of the problems do not have off-the-shelf solutions. Model Vault is Cohere’s inference platform for deploying and operating models securely at enterprise scale. The team owns the systems between a customer and the underlying AI infrastructure, including identity, deployments, metering, billing, security, privacy, and confidential computing. We are strengthening these systems as Model Vault grows, with the goal of scaling to millions of users and supporting some of the world’s most demanding enterprise workloads. As a Senior/Staff Software Engineer, you will: Evolve and scale the backend systems that power Model Vault, including authentication and authorization, deployment management, billing, metering, and customer lifecycle. Lead major architectural initiatives across identity, payments, usage systems, platform scalability, and o

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Okta is The World’s Identity Company. We free everyone to safely use any technology - anywhere, on any device or app. Our Identity as a Service solution enables secure yet flexible access, authentication, and automation that transforms how people move through the digital world, putting Identity at the heart of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - we’re looking for lifelong learners and people who can make us better with their unique experiences. The Engineering Opportunity Okta's Workforce Identity Cloud (WIC) secures billions of global logins every day. The Resilience Team within WIC maximizes service availability by building foundational, high-scale systems. Our engineers solve complex distributed-systems challenges - from database proxies to traffic shaping - to ensure the platform remains trustworthy and reliable for every customer. We are seeking a Staff Back-End Software Engineer to lead technical initiatives and own the reliability of our expanding Identity as a Service platform. In this role, you will develop microservices, build innovative frameworks, and optimize our cloud-native environment. You will champion reliability during design phases and collaborate across teams to address technical gaps. We value iterative development, automated testing, and individual ownership. Join our creative, fast-paced team to work on impac

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. As part of the Customer Engineering Technical Leadership (CETL) function within HIG PSE, the Technical Leader will serve as a key technical interface between external customers and internal engineering teams. In conjunction with CIL (Customer Integration Lead), this role requires deep technical engagement to understand customer application requirements and align them with internal HBM design, product engineering, and manufacturing processes (Front-End and Back-End). The position emphasizes technical problem-solving, multi-functional teamwork, and driving integration success for advanced HBM products. Develops and deploys AI systems that help automate processes and tackle technical challenges. Responsibilities: Develop a strong understanding of customer system architecture, application requirements, and integration challenges. Translate customer technical needs into actionable requirements for internal design, product engineering, and manufacturing teams. Provide technical mentorship on HBM architecture, signal integrity, thermal solutions, and packaging strategies. Develops and deploys AI (artificial intelligence) systems that help automate processes and tackle technical challenges Work closely with internal teams across front-end/back-end process engineering, product development, and manufacturing to ensure seamless integration. Support design reviews, failure analysis, and yield improvement initiatives tied to customer requirements. </ul

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. The Role At Adyen, our people are our greatest asset, and we believe in giving our team freedom, opportunity, and ownership. As Adyen continues to expand globally, our People Operations team is evolving to ensure our employee experience remains seamless, intuitive, and highly scalable. We are building the next generation of People infrastructure by combining operational mastery with modern AI capabilities. We are looking for a People Solutions Partner to join our team. Sitting firmly within People Operations, this role serves as the functional-technical engine of our operating mode - right at the intersection of people operations and hands-on engineering. You will transform manual workflows into intelligent, tech-forward processes, maximize self-service capabilities across the employee lifecycle, and bridge the gap between daily operations and core HR systems. This is not a traditional HR operations/generalist role, nor is it a back-end platform engineering role. Instead, it is an embedded internal product builder role designed for someone who deeply understands employee experience friction and knows how to leverage modern AI tools, low-code automation, agentic workflows, and product design to independently prototype, launch, and scale efficient internal solutions. What You’ll Do Audit daily People Operations workflows (e.g., onboar

About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the world's most prominent, including Andreessen Horowitz, ICONIQ Growth and Sequoia. We've raised $781M in funding and our last valuation was $11B - multiples of 11, always. We have expanded from voice into three main platforms: ElevenAgents enables businesses to deliver seamless and intelligent customer experiences, with the integrations, testing, monitoring, and reliability necessary to deploy voice and chat agents at scale. ElevenCreative empowers creators and marketers to generate and edit speech, music, image, and video across 70+ languages. ElevenAPI gives developers access to our leading AI audio foundational models. Everything we do is the result of the creativity and commitment of our team - builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to work hard and create lasting positive impact, we want to hear from you. How we work High-velocity: Rapid experimentation, lean autonomous teams, and minimal bureaucracy. Impact not job titles: We don’t have job titles. Instead, it’s about the impact you have. No task is above or beneath you. AI first: We use AI to move faster with higher-quality results. We do this across the whole company—from engineering to growth to operations. Excellence everywhere: Everything we do should match the quality of our AI models. Global team: We prioritize your talent, not your location. What we offer Innovative culture: You’ll be part of a generational opportunity to define the trajectory of AI, surrounded by a team pushing the boundaries of what’s possible. Growth paths: Joining ElevenLabs means joining a

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence. Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall : We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here. As a backend/AI engineer at Aircall, you will be working on developing scalable AI applications to be used by our 20,000+ customers. You will be a part of the AI Products Platform team, working on areas like agent context, agent infrastructure, MCP, agent memory etc. You will work closely with backend, front end and infrastructure engineers, as well as product and leadership teams. You will also participate in requirements analysis and design of these systems. 8+ years of experience in back-end develop

About the Team This team builds an AI-native predictive analytics platform that embeds ML and AI-driven insights directly into production Go-To-Market workflows — powering real-time decisions at scale. The team owns the full stack from distributed data pipelines and backend services to ML and AI-powered capabilities that ship directly to customers. We are building toward a model where AI components are first-class runtime dependencies, not bolt-on features. Agentic AI development is a core part of how we increase engineering velocity and deliver customer value. This is a team that ships daily, iterates constantly, and treats speed as a capability to be deliberately improved. The Role This is a high-ownership, builder-first Sr. Software Engineer role. You will design, build, and ship AI-integrated data systems from concept through production — owning outcomes end-to-end, including deployment, monitoring, cost, and business impact. We are seeking a candidate who views AI tooling as a fundamental force multiplier in their daily engineering process. This position is central to our transition into an AI-native function, requiring an individual capable of making decisive, pragmatic architectural choices on reversible matters to maintain momentum. We need an experienced builder of production-grade, data-centric systems who is obsessed with delivering customer value and possesses a deep, curious enthusiasm for the transformative potential of AI. What You Will Build AI-Native Systems Development. Design, build, and own scalable data and ML pipelines, backend services, and AI-powered capabilities that are part of the platform's production decision-making layer. AI and ML components are runtime dependencies in this role — not research projects or experiments. Candidates will have strong back end and data engineering skills to thrive in this space. Daily Shipping. Decompose complex work into safely mergeable increments and ship them daily. Treat large, multi-day pull requ

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our buyers, and our merchants. We evaluate risk at critical decision points in the user journey, rapidly adapt to evolving fraud patterns, and equip operations teams with the tools needed to investigate and mitigate fraud at scale. We’re looking for a Senior Software Engineer to join our fully remote team based in Europe. You’ll collaborate closely with stakeholders across North America - including teams in Product, Compliance, Machine Learning, Fraud Operations, Fraud Strategy, and other Fraud Engineering teams. The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our customers, and our merchants. We evaluate risk at critical decision points in the user journey, rapidly adapt to evolving fraud patterns, and equip operations teams with the tools needed to investigate and mitigate fraud at scale. The Fraud International Team (FIT) leads the engineering effort to extend Affirm's Fraud Decisioning System into markets beyond the US - Canada, the UK, Australia, and growing rapidly. We own real-time fraud decisioning for these markets, integrate region-specific risk vendors, and are building the platform that lets Affirm stand up fraud protection in a new country quickly and safely. As Affirm expands globally, FIT scales with it. We're looking for a Senior Software Engineer to join our fully remote team based in Europe. You'll collaborate closely w

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our buyers, and our merchants. We evaluate risk at critical decision points in the user journey, rapidly adapt to evolving fraud patterns, and equip operations teams with the tools needed to investigate and mitigate fraud at scale. We’re looking for a Senior Software Engineer to join our fully remote team based in Europe. You’ll collaborate closely with stakeholders across North America - including teams in Product, Compliance, Machine Learning, Fraud Operations, Fraud Strategy, and other Fraud Engineering teams. The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud - both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our customers, and our merchants. We evaluate risk at critical decision points in the user journey, rapidly adapt to evolving fraud patterns, and equip operations teams with the tools needed to investigate and mitigate fraud at scale. The Fraud International Team (FIT) leads the engineering effort to extend Affirm's Fraud Decisioning System into markets beyond the US - Canada, the UK, Australia, and growing rapidly. We own real-time fraud decisioning for these markets, integrate region-specific risk vendors, and are building the platform that lets Affirm stand up fraud protection in a new country quickly and safely. As Affirm expands globally, FIT scales with it. We're looking for a Senior Software Engineer to join our fully remote team based in Europe. You'll collaborate closely w

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior Software Engineer specializing in Backend development. We're a Backend team located entirely in Europe within the same time zone, but culturally rooted in Silicon Valley. We build and own the system that enables our users to automate their payments, at a scale of up to $40B each year. We directly own the configuration and orchestration of those payments. We directly improve the financial lives of over 20 million people, giving them peace of mind that their payments will be made on time. Our work is agile and fast-paced, shipping new code to production every two-week sprint, and rigorously measuring the impact it has on our users' lives and company financials. This role rewards curiosity, ownership, and a builder's mindset. You'll know exactly what your objectives are, you'll have what you need to hit them, and you'll choose your own path to get there. You'll learn quickly from experienced teammates and grow your craft on problems that matter at scale. If you want to build something new and operate it at scale – come join us! What You'll Do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior Software Engineer specializing in Backend development. We're a Backend team located entirely in Europe within the same time zone, but culturally rooted in Silicon Valley. We build and own the system that enables our users to automate their payments, at a scale of up to $40B each year. We directly own the configuration and orchestration of those payments. We directly improve the financial lives of over 20 million people, giving them peace of mind that their payments will be made on time. Our work is agile and fast-paced, shipping new code to production every two-week sprint, and rigorously measuring the impact it has on our users' lives and company financials. This role rewards curiosity, ownership, and a builder's mindset. You'll know exactly what your objectives are, you'll have what you need to hit them, and you'll choose your own path to get there. You'll learn quickly from experienced teammates and grow your craft on problems that matter at scale. If you want to build something new and operate it at scale – come join us! What You'll Do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and

The Role Capco is seeking a Senior Full Stack Engineer with strong .NET and React experience to join our Technology & Engineering practice in Toronto. In this role, you will help design, develop, and maintain modern applications and APIs that support business-critical solutions for our clients. Working alongside experienced engineers, product teams, and quality specialists, you will contribute to the delivery of secure, scalable, and high-performing applications while leveraging AI-assisted development practices to improve efficiency and quality. Why This Role Is Open We are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact. What You’ll Do Design, develop, and maintain scalable web applications using .NET, React, SQL Server, and modern development practices. Build secure RESTful APIs, implementing authentication and authorization mechanisms such as JWT and OAuth2 while ensuring consistent validation and error handling. Create responsive and accessible user interfaces using React and modern front-end technologies, delivering reliable user experiences. Containerize applications using Docker and contribute to CI/CD processes, code reviews, documentation, and knowledge sharing activities. Leverage AI-assisted development tools responsibly to accelerate coding, testing, debugging, and technical documentation while maintaining quality and security standards. What We’re Looking For 5+ years of professional software engineering experience with strong hands-on expertise in .NET, ASP.NET Core, and REST API development. Working proficiency in React, SQL Server, Docker, and data access technologies such as Dapper and/or Entity Framework Core. Understanding of API security concepts, including authentication and authorization patterns such a