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Senior Application Developer Jobs

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Explore current senior application developer jobs. Use filters to narrow by work mode, employment type, experience and date posted.

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Synthesia
📍 United Kingdom• Full-time• Remote
Just now

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. Senior Brand Designer, Experiential You’ll shape how Synthesia shows up in experiential moments around the world — from global events and physical environments to the digital experiences that surround them. 🌏 Located EMEA Remote/London: Ideally London. Otherwise Europe (hub-based preferred). 👋 Reporting to @Antonia Delnevo , Head of Brand Design 👯 Working in the Brand Design team (team of seven incredible brand and motion designers) in strong collaboration with @Adela Posse ✈️ Travel: Required across Europe + US, potential APAC in future. Design at Synthesia Design at Synthesia exists to clarify, build trust, and make the work memorable . We care about fundamentals (typography, layout, systems thinking) and default to simple, clear communication. We run with low process and high ownership. Designers are trusted to lead end-to-end, collaborate closely with partners, and ship work that holds up outside of Figma. For Experiential, that means strong concepts and production discipline: systems, specs, file hygiene, and a high bar for what shows up on-site. What You’ll Do Translate and expand Synthesia’s brand into physical and experiential environments globally Evolve the visual design of our event presence — acro

REMOTEai
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GitLab
📍 United Kingdom• Full-time• Remote
Just now

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Backend Engineer on the Duo Chat team, focused on Chat Engine, you'll build the core AI capabilities behind GitLab Duo Chat, the natural-language and agentic interface to the GitLab DevSecOps platform. Much of your work will involve building flow components and agentic flows in the Flow Registry, the Python framework built on LangGraph within our Duo Workflow Service that powers agentic chat, and integrating them with the GitLab Rails monolith. You'll own complex backend features from start to finish across both services. You'll integrate large language models and orchestrate multi-agent flows

REMOTEpythonsqlpostgresql
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Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a founding member of the Security Operations team in EMEA, you will join us at an exciting time in Roblox’s SIRT & SOC program. You will design and build the detections, automation and tooling that let a lean team monitor and protect players, developers, employees and the platform at global scale and serve as security incident commander in the region. This is a highly autonomous role where you will be a primary decision-maker, core to our mission to maintain a highly capable 24/7/365 monitoring and response capability. While you will work in close collaboration with peers at our US West Coast Headquarters, the time difference requires an engineer who can operate independently, making critical decisions without immediate oversight. We favor engineering our way out of toil through automation, orchestration, detections-as-code, and risk-based prioritization, while retaining the deep technical skills required to conduct detailed, hands-on analysis and lead response end-to-end when the situation warrants. Work Environment: This role is based in London, UK. You will be working from a dedicated, private space located within a shared office environment, designed to enable collaboration

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Just now

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. About the role: Roblox is a rich ecosystem encompassing varied product categories across nearly all platforms (mobile, desktop, console, VR, etc.). Keeping our app performant, scalable, and reliable requires a robust technical architecture to empower thousands of engineers to build at scale. As the Senior Product Manager for this space, you’ll drive the creation of foundational systems like our multi-process architecture, resource management systems, and key observability frameworks that power the heart of the Roblox App. You will: Understand, influence, and expand the company’s thinking on central themes like Performance, Reliability, and Maintainability, working together with partner teams on App Performance and Infra Reliability to accomplish shared goals. Define the capabilities and inner workings of critical systems like our process lifecycle manager, asset download orchestrator and critical observability frameworks like our sessionization system. Drive a multi-year roadmap to modernize our App Architecture across key themes like modularization, network resiliency, and resource efficiency. Dive deep into problem spaces with Engineering to ideate new systems to scale our App.&nbsp

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Synthesia
📍 London• Full-time• Remote
Just now

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. Deal Strategy & Structuring Structure complex multi-year, multi-product deals with confidence, modelling ARR, TCV and PPU trade-offs across seat tiers, platform fees and discount scenarios Approve discount and non-standard term exceptions within your delegated authority without Manager review, and document your reasoning, including for the ones you decline Spot structuring risks the AE/CSM did not flag, and map pricing decisions to ARR impact, retention risk and GTM incentive alignment Act as the go-to DealHub (CPQ) expert for the EMEA field, answering configuration and pricing questions directly instead of routing them upward Peer-review Specialist deal summaries and approval decisions before they reach the field Order Management & Booking Integrity Own the review and booking of signed EMEA deals. Validate contract terms, dates, SKUs and pricing against the order form, and resolve non-standard order structures with judgement rather than escalation Approve non-standard booking structures and release blocked orders within your delegated authority Work upstream: tell Deal Strategy colleagues and AEs while a deal is still being negotiated if a structure will be unbookable or will create a revenue recognitio

REMOTEawsaisalesforce
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1. Experienced in operate 2KL/Hr Water Treatment & Sewer Water Treatment Plant 2. Experienced in Bore Water RO Water & Sewer Water TDS PH &Turbidity parameter measure analysis & Control Actions 3. Site wide Tank Level Monitoring maintaining activity 4. Complete operation Knowledge about RO & Waste water membrane Filter operations 5. Daily Water Report & Water Balance Report Readiness 6. Pumps Piping & Flow meter system basic trouble shooting & Corrective actions Skill required 7. Handling unskilled peoples for piping & Civil activities related to WTP STP Plant Address: Mr.Rajeshkumar,C/O, Alstom transport India Limited, SF No. 41/1BA, 41/2A, Kangeyampalayam, Village, Sulur Taluk, Coimbatore Facility: ALSTOM TRANSPORT - COIMBATORE Qualification: Graduate Experience: 3 - 5 years Source: Sodexo India | Job Code: IJP575240

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Okta
📍 San Francisco• Full-time• From $143K/yr
Just now

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. About the team As the leading independent identity provider for the enterprise, Okta is on a mission to build a world-class brand. Driving that mission is the Brand & Creative team: a dynamic group of designers, writers, strategists, and producers who bring the Okta brand to life across every touchpoint. A key part of our strategy is the work of our Brand & Experiences Creative team, which is crafting a powerful experiential design system to scale across physical and digital environments globally. We are seeking a visionary Senior Designer to help lead this charge, shaping the future of how people interact with the Okta brand in tangible, memorable ways. About the role As a Senior Experiences Designer, you will play a pivotal role in conceptualizing and producing high-impact event and spatial activation creative. You will help shape how the world engages with the Okta brand across our most important platforms—from flagship events like Oktane and Showcase to our major third-party and field event presences around the globe. We are looking for a world-class creative who’s also a natural collaborator and communicator. The ideal candidate can

awsgitrest
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SI
Just now

The Sr. Executive - Supply Operations (Food Platform) performs day-to-day Food Platform Administration activities and ensures accurate timely and compliant execution of defined system transactions supporting the Australian Food Platform. The role performs master data administration purchase order generation system administration documentation and reporting activities within Microsoft Dynamics AX and future ERP systems in line with approved procedures and SLAs. The position executes approved activities and supports the Food Platform team. Any activity outside documented procedures must be escalated to the Assistant Manager and Australian Food Platform for direction. Address: Nesco IT Park Tower 4 11th Floor North Wing Off Western Express Highway Goregaon East Facility: SBS Food Platform Australia Qualification: Graduate Experience: 2 - 5 years Source: Sodexo India | Job Code: IJP570901

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Sodexo India
📍 Mumbai• Full-time
Just now

Responsible for preparing food as per the approved menu recipes quality standards and production schedule. Supervises kitchen staff ensures proper food safety and hygiene practices maintains taste and portion consistency controls food wastage and ensures timely food preparation and service. Coordinates with the Chef and supports smooth day-to-day kitchen operations. Address: Village Jamrung Post Ambivali Taluka Karjat Dist Raigad Maharashtra Facility: HOME CATERING SERVICES - FS MUMBAI Qualification: 10th Experience: 3 - 5 years Source: Sodexo India | Job Code: IJP571765

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