Senior Software Development Engineer L3 Jobs

Build and deliver complex enterprise software solutions for financial services clients. The Role As a Senior Software Engineer at Capco, you’ll design, develop, modify, maintain, and support complex web-based products and customer applications. You’ll work across the full software development lifecycle, contributing to technical decisions, software design, implementation, integration, testing, and maintenance. You’ll work across multiple projects and collaborate with clients and distributed teams, applying strong technical judgement to solve moderately complex problems and deliver high-quality outcomes. What You’ll Do Design, develop, modify, test, implement, integrate, and maintain enterprise web applications using C#, .NET, Angular, TypeScript, HTML5, CSS3, SQL Server, MVC, Web Services, SOA, and object-oriented design patterns. Participate in design discussions, technical decision-making, and the documentation of program design, coding, implementation, and maintenance. Work across multiple projects, providing development and maintenance support throughout the software development lifecycle. Apply defined coding and quality standards while using sound judgement to identify problems, recommend solutions, and support successful project completion. Build effective client relationships through clear interpersonal, written, and verbal communication, with a focus on client needs and satisfaction. What We’re Looking For 3+ years of software development experience, with demonstrated and verifiable full lifecycle experience delivering complex web-based products. Strong experience designing and implementing multi-tier enterprise applications using Microsoft technologies, including C#, .NET Framework 4.0/4.8, .NET Core, ASP.NET, and ADO.NET. 1+ years of experience with Angular 2+ and TypeScript, 3+ years with HTML5 and CSS3, and 3+ years developing with SQL Server. Experience with unit testing using MSTest, NUnit, or equivalent; Dependency Injection frameworks; MVC, S

Reolink , a leader in intelligent visual technology for homes and businesses, was founded in 2009 by a group of engineers with a strong commitment to and passion for smarter security solutions. Our products are now trusted by millions of users across more than 110 countries and regions worldwide. Building on this trust, we continue expanding our presence and bringing our innovations to more markets around the globe. Reolink remains committed to delivering advanced, reliable, and user‑centric solutions that empower people to protect what matters most. 5 Work Days Per Week Current Office Near to Kaki Bukit MRT, Singapore Will Relocate to Tai Seng MRT in September 2026 Medical & Dental Benefits Provided Entitled to Yearly Bonus & Performance Bonus **Current Application & Web App are Java Programming** Job Requirements Bachelor's or Master's Degree in Computer Science, Software Engineering , or a related technical discipline At least 3 years of software development experience in JAVA Programming is preferable for this post Strong understanding of computer science fundamentals (operating systems, network principles, data structures, and algorithms) Programming Languages: High proficiency in Java (including JVM internals and performance tuning) or Node.js (including its event-driven architecture and asynchronous programming model). Proficiency in both is a significant plus. Frameworks & Middleware: Proficient with common open-source frameworks and tools such as Kafka, RocketMQ, Dubbo, Zookeeper, and Redis. Deep knowledge of MySQL , including schema design, SQL optimization, and database scaling strategies. System Experience: Proven, hands-on experience in building, deploying, and maintaining high-concurrency, high-performance, and high-availability systems. Job Responsibilities ( Senior Backend Engineer) Design & Development Take ownership of the design, development, refactoring, and performance opt

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! About the Role Are you passionate about secure-by-design software engineering? Do you want to be at the forefront of AI innovation and enterprise security? Cohere's North team is seeking a Software Engineer with a focus on security to join our mission and make a significant impact. This isn't a review-and-advise role, you'll own and ship production security features that customers rely on every day. Your Role: As a Senior Software Engineer with a security focus, you'll play a pivotal role in building and securing North's architecture. Your responsibilities will include: Software Development: Contributing to the core development of security features such as OIDC/OAuth flows and session management, ensuring North's AI agents are secure Secure Coding: Writing secure code to handle OIDC tokens, user claims, and sensitive data, adhering to best practices for JWT validation and encryption Authentication and Data Protection: Implementing authentication mechanisms including user login, token management, and authorization checks to maintain data integrity Tool Integration: Pulling in new tools to enhance North's security capabilities Dev

We are TRADER, a Canadian leader in digital automotive solutions. Our flagship brands — AutoTrader.ca , AutoSync , Dealertrack Canada and CMS — help Canadians buy, sell, and finance vehicles with confidence. As part of AutoScout24 group, Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond. Learn more at tradercorporation.com . This role will be within the AutoSync team. AutoSync supports over 3,500 dealerships nationwide, delivering cutting-edge software tools to simplify operations, boost marketing, and drive sales. AutoSync is a suite of integrated software products built specifically for automotive dealers. Our platform includes a comprehensive set of solutions, including a CRM, dealership websites, digital retailing solutions, desking tools, and advertising placement products. We are a technology-driven organization focused on building scalable, secure, and high-performance systems that directly impact thousands of dealer users. We believe modern engineering excellence requires deep fluency in AI-assisted development, and we actively embrace AI as a core productivity and quality multiplier across our engineering organization. Your Role As a Senior Software Engineer, you will play a key technical leadership role within the AutoSync engineering organization. you will design, build, and evolve scalable backend services and user-facing features across our product suite. You will contribute across a polyglot stack that includes PHP (Laravel), JavaScript, and TypeScript , collaborating closely with product managers, designers, and other engineers to deliver robust, maintainable, and secure solutions. This role requires a high level of proficiency in using AI tools in day-to-day software development. AI-assisted workflows are not optional—they are an expected part of how we design, implement, test, debug, document, and optimize software. As a senior engineer, you will also help eleva

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! About the Role Are you passionate about secure-by-design software engineering? Do you want to be at the forefront of AI innovation and enterprise security? Cohere's North team is seeking a Software Engineer with a focus on security to join our mission and make a significant impact. This isn't a review-and-advise role, you'll own and ship production security features that customers rely on every day. Your Role: As a Senior Software Engineer with a security focus, you'll play a pivotal role in building and securing North's architecture. Your responsibilities will include: Software Development: Contributing to the core development of security features such as OIDC/OAuth flows and session management, ensuring North's AI agents are secure Secure Coding: Writing secure code to handle OIDC tokens, user claims, and sensitive data, adhering to best practices for JWT validation and encryption Authentication and Data Protection: Implementing authentication mechanisms including user login, token management, and authorization checks to maintain data integrity Tool Integration: Pulling in new tools to enhance North's security capabilities Dev

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. We're looking for a talented and motivated Senior Software Engineer II to join our Mobile engineering team. You are passionate about continuous learning and eager to grow along with us in a fast-paced, innovative environment. You will work remotely from Bulgaria and will be reporting to an engineering leader based in Bulgaria. You Will: Design and develop mobile frameworks and features for Smartsheet's native applications on both Android and iOS platforms. Guide and mentor team members regarding architecture and best practices for mobile development. Provide technical expertise, solving complex problems and offering thoughtful feedback on peer design and code reviews. Contribute to the full software development lifecycle (SDLC)—defining, designing, implementing, testing, and deploying new features. Participate in troubleshooting and root cause analysis to identify solutions and next steps for production issues. Work autonomously, overseeing essential features and collaborating cross-functionally with product managers, UI designers, senior developers, and testers. Recognize and take ownership of complex technical cross-team issues, driving them to resolution. Support development across multiple platforms (Android, iOS, Native NDK, etc.). Perform other duties as assigned You Have: 7+ years of mobile engineering experience, specializing in native mobile development. Experience in developing consumer mobile applications, with a strong understanding of the mobile ecosystem and a customer-focused attitude. Expertise in Kotlin,

At Bloomerang, we believe change happens on purpose. We champion the power and potential of nonprofits, igniting next-level impact with the team and technology built for purpose. Our powerful giving platform and stellar support enable tens of thousands of nonprofits to raise more, recruit more, and retain more, fueling maximum impact and raising the bar on what’s possible for the nonprofit sector. That's why, even as the nonprofit sector sees declines in giving, Bloomerang customers raise more year over year. We're also in the business of creating thriving employees. Join a mission-driven culture built on our core values of Simplify, Care and Act. We know our people are the key to our success, and we're proud to be home to some of the most innovative and skilled individuals in the workforce today. Come feel invigorated and unstoppable with us! The Role As a Senior Software Engineer (Technical Lead) at Bloomerang, you are the senior-most technical engineer on a delivery team and a key driver of the team's technical success. You are a hands-on engineer who writes code, solves difficult problems, shapes technical direction, and helps the team consistently deliver high-quality software for the nonprofits we serve. This is an opportunity to help define what great engineering looks like in an AI-first world. AI is changing what individual engineers and entire teams can accomplish, and we're actively exploring how to use that leverage to build better software, automate the work around software development, and give our engineers more time to focus on the problems that matter. You'll be one of the technical leaders helping turn that opportunity into everyday engineering practice. You will own the technical outcomes for your team, partnering with Product, QA, and Engineering to turn ambiguous problems into practical solutions. You'll lead through technical excellence by mentoring engineers, raising the team's engineering standards, and using AI and automation to incre

At Bloomerang, we believe change happens on purpose. We champion the power and potential of nonprofits, igniting next-level impact with the team and technology built for purpose. Our powerful giving platform and stellar support enable tens of thousands of nonprofits to raise more, recruit more, and retain more, fueling maximum impact and raising the bar on what’s possible for the nonprofit sector. That's why, even as the nonprofit sector sees declines in giving, Bloomerang customers raise more year over year. We're also in the business of creating thriving employees. Join a mission-driven culture built on our core values of Simplify, Care and Act. We know our people are the key to our success, and we're proud to be home to some of the most innovative and skilled individuals in the workforce today. Come feel invigorated and unstoppable with us! The Role As a Senior Software Engineer (Technical Lead) at Bloomerang, you are the senior-most technical engineer on a delivery team and a key driver of the team’s technical success. You are a hands-on engineer who writes code, solves difficult problems, shapes technical direction, and helps the team consistently deliver high-quality software for the nonprofits we serve. This is an opportunity to help define what great engineering looks like in an AI-first world. AI is changing what individual engineers and entire teams can accomplish, and we're actively exploring how to use that leverage to build better software, automate the work around software development, and give our engineers more time to focus on the problems that matter. You'll be one of the technical leaders helping turn that opportunity into everyday engineering practice. You will own the technical outcomes for your team, partnering with Product, QA, and Engineering to turn ambiguous problems into practical solutions. You'll lead through technical excellence by mentoring engineers, raising the team's engineering standards, and using AI and a

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Smartsheet is a tech company with a human story to tell. We’re here to empower teams to manage projects, automate workflows, and rapidly build new secure solutions, using simple no-code tools. We’re revolutionaries – so for us changing the way the world works is all in a day’s work. As a global leader in Intelligent Work Management with a market cap of $10bn, we’ve continued to scale our engineering presence internationally. Since expanding into Bulgaria in October 2024, we’ve grown to a team of 75+ engineers. As we continue building this operation, we’re looking for a talented and motivated Senior Software Engineer who are passionate about continuous learning and excited to grow in a fast-paced, innovative environment. Smartsheet runs on a modern SaaS stack hosted on AWS, with infrastructure defined and managed as code using Terraform and strong engineering best practices. Our core platform includes a legacy Java monolith alongside a growing ecosystem of microservices, primarily built in Java and Go (with a small number of Kotlin services). On the front end, product teams that deliver UI experiences use React. You will work remotely from Bulgaria and will be reporting to an engineering leader. You Will: Work on all aspects of software development, including back-end, front-end, cloud infrastructure, and test automation. Drive high standards for internal services and open-source tools, ensuring reliability and scalability. Deploy services and infrastructure changes frequently in an agile environment using full CI/C

Opportunity Overview: We are seeking a Senior Software Engineer - AI to join our Engineering team. In this role, you will build the intelligent agents and applications serving health insurance plans covering over 15 million people. You'll partner closely with product, data science, and clinical teams to build the foundation that transforms how clinical intelligence is delivered at scale. This is an opportunity to make a direct impact on healthcare outcomes while working with modern technologies in a fast-paced, collaborative environment. What you’ll do: Agent Development : Participate in the development, evaluation, and deployment of Cohere’s AI-powered agents and applications. Data & Retrieval Architecture : Design data and retrieval architectures that give AI agents the right context across diverse healthcare sources. Hands-On Engineering : Design, review, and own high-quality agentic code — leading releases, production deployments and on-call support. Cross-Functional Collaboration : Work closely with ML/DS teams, product teams, and architects to understand requirements and ensure systems meet business needs. Security & Compliance : Ensure all agentic components comply with healthcare security and privacy regulations (e.g., HIPAA) and adhere to industry best practices for security. Agile Development : Contribute to sprint planning, execution, and retrospectives, driving efficiency and velocity within the engineering team and collaborating closely with stakeholders to align with product goals and business priorities. ISMS roles and responsibilities: Good knowledge of Information practices. Assist the manager in all the information security activities implementation and maintenance process. Ensuring the team and imparted with Competence related to Information security Responsible for implementation of security policies and procedures and report any issues to the Information Security Manager. Required Qualifications: Must-haves Bachelor’s degree

About APT Research Pvt. Ltd. APT Research is the research and data analytics arm of APT Portfolio, a quantitative investment firm that thrives on cutting-edge technology, scientific thinking, and deep market insight. We are a team of scientists, engineers, and innovators powering algorithmic trading and financial research at scale. Learn more at www.aptportfolio.com. The Data Management & Research (DMR) team plays a pivotal role in building high-performance systems, storage, distributed computing systems, research infrastructure, and pipelines that process, store, and analyze market data across global exchanges, enabling the firm's trading decisions and investment strategies. About the Role We are looking for a Senior Software Engineer / Tech Lead to join our DMR team — a self- driven engineer who enjoys solving hard problems, building scalable systems, and mentoring others while remaining deeply hands-on with code. This role blends individual technical depth with people and project leadership, making it ideal for someone who thrives in a fast-paced, analytical environment and wants to contribute across the stack — from systems architecture to production deployments. What You’ll Do · Design, prototype, and build robust data pipelines, APIs, and analytical systems using Python · Own and evolve large-scale distributed systems across PostgreSQL, MongoDB, and ClickHouse · Lead and mentor junior engineers while maintaining your own strong IC contributions · Collaborate with product managers, researchers, and trading teams to scope and ship features · Bring a systems thinking mindset — ensuring performance, monitoring, and maintainability · Rapidly prototype and iterate on solutions for real-time data processing and analytics · Drive best practices in software development, testing,

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Summary Would you like to help ensure the quality of PlayStation® peripherals and firmware? Join the team delivering innovative test solutions for PlayStation® Link™ devices, where your work will directly impact performance, stability, and the player experience. Sony Interactive Entertainment has a great opportunity in the Quality Engineering department! We are seeking a self-motivated engineer with strong Python and test automation skills and a focus on quality, consistency, and thoughtful testing practices. As a Software Development Engineer in Test Contractor, you’ll work hands-on with our peripherals and own automated test coverage for specific features across multiple platforms, alongside senior engineers. We value teamwork and continuous learning. Responsibilities In this role, you'll work where firmware, hardware, and platform software meet, building the tests that check them and keeping that automation healthy. Write Python automation suites for firmware and platform features Perform integration testing on PlayStation® 5, PlayStation® Portal, and Windows Improve the shared automation frameworks and test infrastructure Troubleshoot test failures, using execution data to find flaky or slow tests Collaborate with QA, Development, and Product teams to al

Are you looking for an opportunity to help solve one of today's biggest business challenges? AI is changing the pace of business, and organizations everywhere are struggling to help their workforce, partners, and customers keep up. At Litmos, we're building the Learning Acceleration Platform that helps organizations build human capability faster—and we're looking for people who are passionate about making a meaningful impact for customers while growing alongside a collaborative, people-first team. Litmos is the Learning Acceleration Platform that helps organizations build capability faster, adapt at the speed business changes, and scale learning to anyone, anywhere. Combining an intuitive platform, AI-powered capabilities, trusted content, expert services, and a broad ecosystem of integrations, Litmos helps organizations accelerate workforce productivity, improve customer adoption and retention, enable high-performing partners, and reduce organizational risk through continuous learning. Organizations such as Hewlett Packard Enterprise, Graco, Sabre, and Russell Mineral Equipment trust Litmos to accelerate learning across their workforce, partners, and customers. Today, more than 11K customers with 30 million learners across 150 countries and 37 languages use Litmos to build the capabilities their organizations need to succeed. Backed by Francisco Partners, one of the world's leading technology investment firms, we're investing in the future of learning—and the people who are building it. Learn more at www.litmos.com . About the Role Litmos is looking for a Mobile Developer to help evolve our iOS and Android applications. You will work across our existing native apps (Swift and Kotlin), build new features in React Native, and own the WebView experience that brings Litmos learning content into the mobile apps. This is a hands-on role for an engineer who is comfortable moving between native code, React Native, and web content, and who cares a

Senior Test Development Software Engineer, SDET — Shanghai, China. Apply via Workday.

Job Details: Job Description: In this role, you'll build software capabilities to automate the build, test, and deployment of Intel's Process Design Kit (PDK). A PDK is a collection of artifacts representing Intel's semiconductor process, used by product designers to model, implement, and verify Intel's mobile, desktop, and server products before manufacturing. You'll be a member of the Design Technology Platform organization, working closely with teams in the United States, Bangalore, and Penang to build world-class DevOps infrastructure that shapes the future of deploying PDKs to silicon product development teams at Intel. Qualifications: Bachelor's or Master's degree in Computer Science, Computer Engineering, or another closely related field. 7-12 years of experience with a Bachelor's degree or Master's degree in software development and engineering. Excellent Python programming skills. Expert-level knowledge of pytest concepts. Expert-level experience with GitHub-based Jenkins CI/CD deployment, enablement, and debugging. Proven knowledge of Agile software engineering practices, IT environments, and DevOps principles and processes. Excellent debugging and problem-solving skills. Excellent written and verbal communication skills; ability to present complex issues with clarity to drive decisions. Must have hands-on experience with AI tools and demonstrated experience building AI agents/tools. Exposure to VLSI PDK domain is preferred. Strong team player with proven ability to collaborate effectively across cross-functional and geographically distributed teams. Job Type: Experienced Hire Shift: Shift 1