Senior Backend Software Engineer Application Development Jobs

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here). Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started. Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit. AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it. ------------------------------------------------------------------------------------------------------ As a Product Marketing Manager for the Italian market at Qonto, your main focus will be to develop strong customer insights, drive the go-to-market strategy, and support the successful launch and adoption of our products in Italy. This is an exciting opportunity to shape our market strategy and contribute directly to Qonto’s growth. The role is a maternity cover for Giulia, our current Product Marketing Manager for the Italian market. 👩‍💻🧑‍💻As a Product Marketing Manager - Italian Market at Qonto, you will • Specialize in customer insights for the Italian market, identifying and prioritizing use cases and features that resonate with local customers. • Drive the GTM strategy, ensuring effective product launches and strong market positioning. • Act as P

At Linear, we're building the product development system for teams and agents. AI is fundamentally changing how software gets built, and we’re shaping the tools this new era requires. Founded in 2019, Linear has become the platform of choice for more than 40,000 companies (including OpenAI, Coinbase, and Ramp) to plan, build, and ship their products. Today, our team is distributed across North America, Europe, and Australia, and we’re continuing to grow internationally. What unites us is relentless focus, fast execution, and a deep care for software craftsmanship. As a small team, we’re all generalists that work across the full stack (built in Typescript end-to-end). We’re looking for experienced engineers that thrive in an environment of autonomy and individual responsibility to help us build the future of product development. Location & work mode Linear is a remote-first company, with optional co-working offices in San Francisco, New York, and London. This role is open to candidates based in the US and Europe. You can work from anywhere within those regions. We value deep focus and async collaboration, with intentional moments to connect in person through team off-sites, optional co-working, and occasional travel. What you'll do Build new user-facing features with everything from database models to GraphQL resolvers and UI components Optimize our data synchronization stack by applying better serialization protocols Add real-time collaborative editing to our content editor Improve performance by profiling and tweaking virtualized list rendering Add analytics, monitoring, and alerts to our service so that we can better respond to operational incidents Open-source any non-trivial innovations that come out of our work on the product Redefine best-in-class software development processes so that we can build a purpose-built product. What we're looking for 5+ years of experience building customer-facing products at a high-quality software company Strong React and Typ

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team. What you’ll be doing Building high-quality games for the millions of mobile players Designing and implementing new features Maintaining and optimizing games Close collaboration with other developers Actively contributing to game design, feature design Desired skills and experiences B.S. or higher preferably in Computer Science or an equivalent program 5+ years of experience Strong experience with the Unity game engine and C# (C/C++ knowledge is a plus) Strong problem-solving and communication skills Experience with version control systems such as Plastic or Git Passion for Match Villains and mobile puzzle games in general What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how”. Our Perks Team events and trips Great food On-site gym Full health benefits Compensation for paid military service Relocation support Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. We do not offer a fully-remote working option.

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here). Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,700 Qontoers serving over 750,000 customers across 8 European countries. We have been profitable since 2023, and we are just getting started. Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit. AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it. ------------------------------------------------------------------------------------------------------ 🌏 Location: You can choose to work in Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, or Spain. Mission: Join us as a Web Engineer to craft the web apps that 600,000+ European SMEs rely on every day, from the customer-facing features that make finance simpler to the design system powering every pixel of our product. ➡️ As a Web Engineer at Qonto, you will Craft new features for our customers within a squad Team, owning quality from design to production. Grow in technical leadership: lead design discussions, contribute to guild-wide improvement, and raise the bar for developer experience across your peers Be a key player in teamwork with Product, Design, and other Tech stacks Work AI-first: use AI as a def

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here). Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started. Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit. AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it. ------------------------------------------------------------------------------------------------------ 🌏 Location: You can choose to work in Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, or Spain. Mission: Join us as a Frontend Engineer to craft the web apps that 600,000+ European SMEs rely on every day, from the customer-facing features that make finance simpler to the design system powering every pixel of our product. ➡️ As a Frontend Engineer at Qonto, you will Craft new features for our customers within a squad Team, owning quality from design to production. Grow in technical leadership: lead design discussions, contribute to guild-wide improvement, and raise the bar for developer experience across your peers Be a key player in teamwork with Product, Design, and other Tech stacks Work AI-first: use

At Linear, we're building the product development system for teams and agents. AI is fundamentally changing how software gets built, and we’re shaping the tools this new era requires. Founded in 2019, Linear has become the platform of choice for more than 40,000 companies (including OpenAI, Coinbase, and Ramp) to plan, build, and ship their products. Today, our team is distributed across North America, Europe, and Australia, and we’re continuing to grow internationally. What unites us is relentless focus, fast execution, and a deep care for software craftsmanship. As a small team, we’re all generalists and constantly picking up new challenges. When it comes to code, we’re looking to work with experienced people who can pick a problem and solve it. We use TypeScript and build scalable systems so we can continuously make progress on a solid foundation. We don’t expect you to have a background in everything we use, but we do expect strong JavaScript fundamentals and a background working with React and TypeScript. Location & work mode Linear is a remote-first company, with optional co-working offices in San Francisco, New York, and London. This role is open to candidates based in North America and Europe. You can work from most timezones within these regions. We value deep focus and async collaboration, with intentional moments to connect in person through team off-sites, optional co-working, and occasional travel. What you'll do Build new user-facing features with everything from database models to GraphQL resolvers and UI components Optimize our data synchronization stack by applying better serialization protocols Add real-time collaborative editing to our content editor Improve performance by profiling and tweaking virtualized list rendering Add analytics, monitoring, and alerts to our service so that we can better respond to operational incidents Open-source any non-trivial innovations that come out of our work on the product Redefine best-in-class software deve

At Qualia, we’ve built a new class of real estate technology that simplifies home buying and selling into an easy, understandable, and secure process. Our products bring together users from across the real estate ecosystem—homebuyers and sellers, lenders, title and escrow agents, and real estate agents—onto a single shared platform, providing greater clarity and transparency to real estate transactions. Today, millions of consumers use Qualia to close on homes every year. Resware is Qualia’s premier on-premise title production product providing unmatched customization and configuration capabilities for enterprise title organizations operating at scale. Title and escrow companies across the country rely on Resware to manage their operations and successfully close thousands of transactions every year. While part of the Qualia portfolio of solutions, the Resware team operates as a dedicated business unit, including Product, Engineering, Customer Success, Professional Services, and Support, focused on serving the unique needs of enterprise title and escrow organizations through its on-premise solution. WHAT YOU'LL WORK ON We are seeking a Senior Software Engineer with a strong product-centric mindset who understands that quality solutions stem from deep collaboration with our Product team. In this role, you'll work closely with Product to analyze customer needs and craft innovative, high-quality software that addresses real-world problems. Your technical expertise, aligned with strategic product insights, will ensure that our engineering solutions not only meet but exceed customer expectations. You'll contribute to the development of new features and modernize our suite of applications. With a focus on autonomy and innovation, you'll bring cutting-edge ideas to life, enhancing our products for tens of thousands of users. Projects include building responsive UIs with React, modern REST APIs, AI offerings, and integrating the latest technolog

P-97 Our mission at Databricks is to radically simplify the whole data lifecycle from ingestion to ETL, BI, and all the way up to ML/AI with a unified platform. To achieve this goal, we believe the data warehouse architecture as we know it today will be replaced by a new architectural pattern, Lakehouse ( CIDR 2021 paper ), open platforms that unify data warehousing and advanced analytics. The new architecture will help address several major challenges, including data staleness, reliability, total cost of ownership, data lock-in, and limited use-case support. A critical part of realizing this vision is the next generation (decoupled) query engine and structured storage system that can outperform specialized data warehouses in relational query performance, yet retain the expressiveness and of general purpose systems such as Spark™ to support diverse workloads ranging from ETL to data science. As part of this team, you will be working in one or more of the following areas to design and implement these next gen systems that leapfrog state-of-the-art: Query compilation and optimization Distributed query execution and scheduling Vectorized execution engine Data security Resource management Transaction coordination Efficient storage structures (encodings, indexes) Automatic physical data optimization What we look for: A passion for database systems, storage systems, distributed systems, language design, or performance optimization Experience working towards a multi-year vision with incremental deliverables Motivated by delivering customer value and impact 5+ years of experience working in a related system (preferred) Optional: PhD in databases or distributed systems Pay Range Transparency Databricks is committed to fair and equitable compensation practices. The pay range(s) for this role is listed below and represents the expected salary range for non-commissionable roles or on-target earnings for commissionable roles. Actual compensation packages are based o

The Opportunity This is a critical and exciting time at Enigma. We are hearing from repeated customers that our product is creating tremendous value for them and is aligned perfectly with their needs. This creates an urgent need to showcase the power of our small business data as we scale our sales and marketing initiatives. The Role We are looking for an experienced Senior Software Engineer to join our API and Data Delivery Team. You will play a central role in architecting, building and managing critical systems in distilling and delivering large data sets, working with teammates and clients to solve high-impact, real-world problems. What You’ll Do Build scalable, highly-available, high-throughput, highly maintainable systems, deployed in cloud environments Solve problems with containers, cloud infrastructure and infrastructure as code (we use Docker, AWS and Terraform) Have a “can-do” attitude and doesn’t flinch when faced with a challenge, no matter how large or small Pride themselves on writing highly readable, thoroughly tested code Get excited when working as part of a motivated, collaborative team Identify problems that others aren’t seeing and makes sure they get solved Is driven to work with customers to have an impact on the real world Inspire their teammates to perform at their best while building a collaborative, supportive team culture Effectively manage responsibilities for architecture and design decisions, hands-on implementation, team organization and technical mentorship What Makes This Role Exciting? Impact : Your technical ability and decision making will have a direct impact on our customers and the success of our product in the market, driving critical decision making at multi-billion dollar companies. Technical Challenge : Our systems integrate new technologies for database, information retrieval, distributed systems, micro-services, elastic scaling, data pipelines, and more. Ownership : API & Data Delivery team is solving some of th

Work Experience Required: 8 - 12 Years Experience in programing (Python, R, SQL, NoSQL,Spark) with ML tools & Cloud Technology (AWS, Azure, GCP) Experience in Python libraries such as numpy, pandas, scikit-learn, tensor-flow, scapy, scrapy, BERT etc. Good understanding in statistics, and ability to design statistical hypothesis testing to aid formal decision making. Develops predictive models using Machine Learning algorithms (SVM, Random Forest, Neural Network, Decision Tree, Logistic Regression, K-mean Clustering, linear regression, PCA etc.) Engaging with clients, understanding complex problem statements, and offering solutions in the domains of Retail, Pharma, Banking, Insurance, etc. Contribute to internal product development initiatives related to data science. Develop data science roadmap, and guide data scientist to meet their deliverables. Handling end-to-end client AI & analytics programs. Your role will be a combination of hands-on contribution, technical team management, and client interaction. Proven ability to discover solutions hidden in large datasets and to drive business results with their data-based insights Drive excellent project management required to deliver complex projects, including effort/time estimation. Be proactive, with full ownership of the engagement. Build scalable client engagement level processes for faster turnaround & higher accuracy Define Technology/ Strategy and Roadmap for client accounts, and guides implementation of that strategy within projects Run regular project reviews and audits to ensure that projects are being executed within the guardrails agreed by all stakeholders Manage the team-members, to ensure that the project plan is being adhered to over the course of the project Manage the client stakeholders, and their expectations, with a regular cadence of weekly meetings and status updates. Build a trusted advisor relationship with the IT management at clients and internal accounts leadership. Build

Présentation du poste : Au sein de l’équipe Data Analytics d'Artefact, vous rejoignez un pôle clé couvrant le dashboarding, l'analytics engineering, la mesure marketing et le low-code data science. Dans un environnement à forte croissance, vous intervenez auprès de grands comptes pour transformer leurs enjeux business grâce à une collecte, un traitement et une visualisation de données performants. Ce qu’on attend de vous : En tant que profil Senior, vous garantissez l'excellence technique et la qualité de la valeur livrée sur vos projets analytiques. Vous jouez un rôle de conseiller de confiance auprès des clients, tout en mentorant des profils plus juniors et en intégrant les derniers usages d'IA Générative appliqués à l'analytics. Vos missions : Piloter la livraison de projets Analytics de bout en bout : du cadrage des cas d'usage avec les équipes métier jusqu'au déploiement de dashboards, pipelines et produits data décisionnels. Concevoir et implémenter des architectures analytiques scalables en appliquant les pratiques modernes d'Analytics Engineering (modélisation de données, tests, qualité de code). Exploiter les développements récents en GenAI pour maximiser la valeur délivrée à nos clients. Extraire des insights stratégiques et les restituer de manière claire et actionnable pour accompagner la prise de décision des parties prenantes. Agir en expert référent auprès des clients : construire une relation de confiance et apporter des recommandations sur les meilleures pratiques d'analyse de données. Mentorer les Data Analysts juniors, partager les meilleures pratiques (ateliers, documentation) et participer à la création d'accélérateurs internes et à la veille technologique. Profil recherché : Expérience & Mindset : 3 ans ou plus d'expérience concrète dans un environnement data-driven, avec autonomie, rigueur et curiosité intellectuelle. Domaines d'expertise (au moins 1) : Dashboarding & Dataviz (Power BI, Looker, Tableau, Superset) Analytics Engineering

InvGate is a fast growing SaaS company that develops products for IT management and service automation, used by clients in over 50 countries in industries such as banking, e-commerce, education and technology. To support our continuous growth we are looking for a Customer Success Representative to join our team. As a Customer Success Representative , you will play a pivotal role in ensuring our clients achieve success with our solutions. You will be responsible for building strong relationships with different stakeholders within your customers, driving product adoption, and ensuring long-term retention. By acting as a trusted advisor, you will help clients maximize the value they get from our solutions. We are looking for a person with technical knowledge, energy, empathy, client orientation, versatility, and operational experience to execute our Customer Success plans. This position will work closely with the product, implementation, support, and sales department. Key Responsibilities: Serve as the primary point of contact for assigned customers, ensuring their needs are met effectively. Drive customer engagement by providing training and ongoing support. Develop and execute success plans to ensure customers achieve their desired outcomes. Proactively identify risks and collaborate with internal teams to resolve issues. Monitor key customer health metrics to drive retention and growth. Advocate for customers by gathering feedback and collaborating with product teams to enhance our solutions. Maintain accurate records in HubSpot and ensure seamless communication across departments. Set follow-up meetings to check customers' satisfaction and needs. Qualifications Previous experience in Customer Success, software implementation, or Account Management, either technical and/or commercial. Strong communication, problem-solving, and relationship-building skills. Ability to analyze customer data and translate insights into actionable strategi

Présentation du poste : Au sein de l'équipe Data Science d'Artefact, vous rejoignez une communauté d'experts en Data & IA intervenant auprès de grands comptes mondiaux. Dans un contexte de forte accélération autour de la GenAI et du Machine Learning, vous jouez un rôle clé dans la conception, la livraison et le passage à l'échelle de solutions IA à fort impact business. Ce qu’on attend de vous : En tant que profil Senior, vous garantissez l'excellence technique sur vos projets (robustesse, MLOps, passage en production) tout en servant de référent auprès de nos clients. Vous jouez un rôle moteur dans l'équipe en mentorant des Data Scientists plus juniors et en participant au développement d'accélérateurs internes. Vos missions : Piloter la livraison de projets IA de bout en bout : du cadrage des cas d'usage avec les équipes métier jusqu'à la mise en production de solutions ML ou GenAI mesurables. Concevoir des architectures et pipelines IA robustes et scalables en appliquant les meilleures pratiques de Software Engineering et de MLOps (tests, déploiement, maintenabilité). Servir de conseiller de confiance auprès des clients : vulgariser les approches IA de façon claire et pragmatique, évaluer la faisabilité, les risques et le ROI. Mentorer et faire monter en compétences les Data Scientists juniors à travers des retours constructifs, des revues de code et du coaching au quotidien. Contribuer au développement de l'expertise interne : créer des outils/accélérateurs réutilisables, animer des ateliers de partage et maintenir une veille technologique active. Explorer et appliquer des techniques IA avancées pour résoudre des problématiques complexes et non défrichées. Profil recherché : Expérience & Mindset : 3 ans ou plus d'expérience concrète dans le développement et le déploiement de solutions Data/IA en environnement Cloud. Expertise Technique : Solides compétences en Machine Learning appliqué, IA Générative, ainsi qu'une maîtrise des principes de Software Engin

Bloomreach is building the world’s premier agentic platform for personalization .We’re revolutionizing how businesses connect with their customers, building and deploying AI agents to personalize the entire customer journey. We're taking autonomous search mainstream, making product discovery more intuitive and conversational for customers, and more profitable for businesses. We’re making conversational shopping a reality, connecting every shopper with tailored guidance and product expertise — available on demand, at every touchpoint in their journey. We're designing the future of autonomous marketing , taking the work out of workflows, and reclaiming the creative, strategic, and customer-first work marketers were always meant to do. And we're building all of that on the intelligence of a single AI engine — Loomi — so that personalization isn't only autonomous…it's also consistent.From retail to financial services, hospitality to gaming, businesses use Bloomreach to drive higher growth and lasting loyalty. We power personalization for more than 1,400 global brands, including American Eagle, Sonepar, and Pandora. About the Role: Bloomreach is seeking a Senior Customer Success Manager to be our customers' advocate and the key to a successful client partnership. Our Customer Success teams are focused on adoption, retention and customer satisfaction, and on identifying new opportunities to expand our relationships. You will run a portfolio of accounts of varying size, tier and industry. This is a technically fluent Customer Success role. You will not be writing integration code or building data pipelines — our Technical and Business Consultants do that. The role is also changing quickly, our product, our AI capabilities and our customers' expectations all move fast, and the job looks different each quarter. We want someone who treats that as the interesting part. What you'll do: Be the trusted advisor. Build lo

We are seeking a dynamic and inspiring individual to step into a Senior Therapist role at Lush Spa Covent Garden. Who we are At LUSH cosmetics, we believe in making effective products from fresh, organic fruit and vegetables, the finest essential oils and safe synthetics. We aim to leave the world Lusher than we found it; and at the LUSH SPA, we’re passionate about improving your sense of well-being, so you can feel your best self. We believe our spa treatments are more than skin deep; they’re a vital self-care ingredient. Our warm inviting spas are an oasis of calm, allowing time and space away from a busy world to relax and rejuvenate. Each Lush Spa treatment is an immersive experience, inviting you to enjoy the unexpected. Using a multi-sensory holistic approach, including soothing touch, visual displays, beautiful fragrances, and bespoke, crafted music made by Lush Fresh Handmade Sound, each treatment has a transformative effect, bringing you back into a state of peace and balance. Situated in the shopping and entertainment epicentre of London’s West End, Lush Spa Covent Garden never misses the opportunity to put on a show, it’s time for you to take centre stage and join our team! With 44 million visitors per year, who flock to Covent Garden for its world class shopping, dining and entertainment; this is the perfect stage and place for a Lush Spa. Who are we looking for? Are you passionate about Lush products and delivering exceptional spa experiences? Are you a confident leader with strong operational and team management skills? As a Senior Spa Therapist, you will support the Store & Spa Manager in delivering the vision and daily operations of the spa. You will lead by example, ensuring every client receives a 5-star experience while driving occupancy, sales, and team development. You will be responsible for supervising therapists and receptionists, ensuring all Lush treatments are consistently available, and coordinating training to meet business demands. You