Essex, England, United Kingdom Hybrid / WFH Options
Oscar Technology
Senior C#.NET Full Stack Developer - Remote - Salary £65k (DOE) We have partnered with a fast-growing Insurtech company transforming the way insurance and technology work together. We're looking for a talented Senior C# .NET Full Stack Developer to help drive their product innovation and growth. In this role, you'll design, develop, and deliver high-quality cloud … based software solutions across a diverse range of applications. You'll work closely with a multidisciplinary team to build and enhance scalable systems, deliver seamless user experiences, and shape the future of their technology landscape. Key Responsibilities Own the development of new and existing web applications from concept to deployment. Build responsive, pixel-perfect UIs using HTML, CSS, JavaScript … incl. bank holidays Professional development and training opportunities. Collaborative, inclusive, and growth-focused culture. Opportunity to influence product direction in a scaling Insurtech business. If you are an experienced SeniorSoftware Developer skilled within the .NET Framework, and you're looking to join a growing company offering a lucrative benefits package, this could be the perfect opportunity for More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown PLC
or experience we're looking for, please go ahead and apply. We'd love to hear from you!About the role# HL are looking for a talented full stack SeniorSoftwareEngineer to join our Active Savings product development team in building market leading solutions for our clients. The Savings application allows HL clients to easily deposit More ❯
the status quo Build the best technology in-house , using new data sources, machine learning and AI to make machines do the heavy lifting About the Role As a SeniorSoftwareEngineer (Data), you'll help shape and scale our data infrastructure, making analytics faster, more reliable, and cost-efficient. You'll work with AWS, Snowflake, Python … as code to manage cloud resources efficiently. Assist in the troubleshooting and resolution of production issues to minimise downtime and improve user satisfaction. What we're looking for Strong software development, particularly in Python or a similar language. Solid engineering practices, including automated testing, deployment systems, and configuration as code. Experience with building data intensive applications and containerised services More ❯
crypto-native firms, they process trillions of market events daily to protect investors, detect manipulation, and ensure integrity across both traditional finance and digital asset markets . As a SeniorSoftwareEngineer , you'll play a key role in designing and scaling advanced systems and algorithms that safeguard some of the most dynamic and complex markets in … architecture for low-latency monitoring and high-throughput processing . Continuously improve data quality, reliability, and query optimisation at scale. What we're looking for 5+ years' experience in software engineering , ideally in financial markets, market surveillance, or large-scale data systems . Strong skills in Java (or similar: Kotlin, C#, C++) ; Python is a plus. Proven experience with More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
crypto-native firms, they process trillions of market events daily to protect investors, detect manipulation, and ensure integrity across both traditional finance and digital asset markets . As a SeniorSoftwareEngineer , you'll play a key role in designing and scaling advanced systems and algorithms that safeguard some of the most dynamic and complex markets in … architecture for low-latency monitoring and high-throughput processing . Continuously improve data quality, reliability, and query optimisation at scale. What we're looking for 5+ years' experience in software engineering , ideally in financial markets, market surveillance, or large-scale data systems . Strong skills in Java (or similar: Kotlin, C#, C++) ; Python is a plus. Proven experience with More ❯
receive an alert: Select how often (in days) to receive an alert: Help shape the next generation of data solutions for the global energy industry! We're hiring a SeniorSoftwareEngineer for an in-house role in ours product division! Join a collaborative and forward-thinking team working on CDM - a strategically important initiative with strong … best practices.Communicating clearly with team members and stakeholders. Contributing to architectural decisions and helping shape the future of CDM. Who we're looking for We're seeking an early senior developer (6-8 years of experience) who thrives in a collaborative environment and enjoys solving complex technical challenges. If you're passionate about building scalable systems and want to More ❯
going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a SeniorSoftwareEngineer, you will play a pivotal role in the development, maintenance, and evolution of key digital platforms, working across the full technology stack to deliver secure More ❯
Annapolis Junction, Maryland, United States Hybrid / WFH Options
Lockheed Martin
If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Full Stack SoftwareEngineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Senior Full Stack … SoftwareEngineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE … WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions customer. The services enable the Data Transformation, Malware Analysis, and Cyber Threat Intelligence processing and sharing capabilities for the customer, fulfilling mission objectives and offering actionable information to detect and mitigate cyber threats. The contract has several locations in More ❯
Herndon, Virginia, United States Hybrid / WFH Options
Lockheed Martin
solving problems that others think are impossible? If you answered yes to these questions, then we would like you to join Lockheed Martin's Space Engineering &Technology, S2CO, Global Software Solutions Team! Space E&T develops, delivers, and operates affordable engineering and sustainment solutions for commercial, military and intelligence users across the globe. These mission critical efforts include development … collection orchestration and tasking, processing, data analysis and analytics along with premier operations and sustainment capabilities of space- based programs in support of national security. We are seeking a SoftwareEngineer to participate in the design, development, test and maintenance of complex mission application software and database applications for the Paragon organization which supports multiple programs. Looking … for someone who is (or is willing to become) a Domain/Subject Matter Expert in the Mission Management and/or Command and Control domains. As a SoftwareEngineer with Paragon, you will: • Apply knowledge of computer hardware and software, information processing techniques, and information gathered from subject matter experts and system users to develop softwareMore ❯
Barrow-In-Furness, Cumbria, North West, United Kingdom Hybrid / WFH Options
Morson Talent
A SoftwareEngineer is sought for a contract position in Barrow-in-Furness, Cumbria. Hybrid working is available, with 2 days per week needed on-site. This role will provide the chance to design exciting new products in a fast paced highly skilled team, whilst maintaining high standards of innovation and creativity. Core Duties Designing embedded software solutions to meet allocated requirements Software coding to implement agreed designs Undertaking testing and verification activities Ensuring software development standards, policies and procedures are adhered to Scheduling work to meet target timescales and budget demands Working closely with other teams, e.g. electrical, during solution development Proactively reporting upwards to management and the business, so that they are … and Qualifications Essential skills Embedded C programming ability and C# programming. Understanding of embedded systems concepts and related protocols, e.g. CAN, SPI, RS-422. A thorough understanding of the software development lifecycle from design to deployment, including supporting in house and customer trials Familiarity with PLM tools (TeamCenter) and the links to the ERP system (SAP) Good understanding of More ❯
fast-moving, remote-first company with a team spread across Ireland, Spain, and North America. Our Mission Our mission is to let businesses of all sized build truly custom software, without writing code . As a Senior Backend SoftwareEngineer , you'll be a key driver of this mission, designing and scaling the platform that powers … design to production, measurement, and iteration. This is a unique opportunity to own core backend services in a fast-growing SaaS company and help shape the future of how software is made. What You'll Be Doing Building the backend for various user-facing features Optimise client APIs and services Improve database and infrastructure performance by implementing caching solutions … chat-based assistant Improve our Native data tables by adding support for new field types, or new performance improvements Lead integrations with additional data sources like databases and other software tools to open up new channels and possibilities Extending Noloco's workflows and automations to allow customers to seamlessly integrate their other tools and automate their manual workflows Scaling More ❯
Annapolis Junction, Maryland, United States Hybrid / WFH Options
Codescratch LLC
Codescratch is currently seeking a self-motivated and talented SoftwareEngineer to build some cutting-edge analytics and tools in support of cyber mission space. Join our team to contribute to innovative engineering projects, creating reliable, scalable, and high-performing software for efficient data processing and informed decision-making. This position is ideal for individuals who are … passionate about designing efficient, secure, and scalable software and thrive in a collaborative environment. You'll own your technical designs, help shape the big picture. This is your chance to work on real-world challenges in a place where you can learn and grow while supporting mission-critical applications! The ideal candidate will be an experienced softwareengineer with a strong foundation in designing, developing, and maintaining high-quality software solutions. Collaboration and innovation are at the core of this role, requiring a proactive approach to problem-solving and continuous learning. This position allows for a hybrid schedule but requires candidates to be local to the MD or Northern VA/DC Metro area. Can work More ❯
Grand Prairie, Texas, United States Hybrid / WFH Options
Lockheed Martin
Job ID: 692462BR Date posted: Aug. 11, 2025 Description: You will be a Cyber SoftwareEngineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines … of Business. What You Will Be Doing As the Cyber SoftwareEngineer you will be responsible for supporting a broad range of challenges in a dynamic team environment and the ability to work with Cyber Exploitation Engineers, Cyber System Security Engineers and system engineers across Lockheed Martin MFC to develop new exploitation software tools, and maintain current … Basic Qualifications: Must be able to obtain and maintain a DoD Secret Security Clearance to be considered for this position Must have experience with: • High availability development, fault tolerance software and RMF compliance with Fortify • Full lifecycle application development • Designing, coding, and debugging applications in various software languages (C/C++, Python, Shell Scripting) • Supporting a broad range More ❯
the ultimate end-to-end digital sports platform, we're building a world where every dimension of a sports fan's passion is realized. We're looking for a Senior Staff, SoftwareEngineer to join our OddsFactory team . In this pivotal role, you'll take on broad technical ownership and strategic leadership, driving mission-critical efforts … Your work will not only power the foundation of FBG's operations but help define the future of how fans engage with sports through the Fanatics ecosystem. As a Senior Staff Engineer, you'll be entrusted with architecting and evolving real-time systems that are essential to our product strategy and platform excellence. You'll operate with significant … deployment, observability, and long-term maintenance-ensuring platform reliability at scale. Collaborate cross-functionally with Product, Quant, and Engineering leadership to align technical execution with business goals. Apply advanced software design methodologies and guide the selection of appropriate technologies across the stack. Translate complex business requirements into impactful, sustainable technical solutions. Demonstrate deep fluency in .NET technologies, contributing to More ❯
Templecombe, Somerset, United Kingdom Hybrid / WFH Options
Thales Group
team player You also like working independently and look for empowermentCOMPETENCIES: You are able to adapt and react to change You know and enjoy designing, developing and testing secure software solutions and/or components You can demonstrate knowledge in Full Stack or pure back/pure front programming languages and frameworks (JAVA, C, C++, Python, or any other … Agile principlesNICE TO HAVE: + Specific knowledge linked to the domain/product/project - to be filled in by Engineering Manager or Talent Acquisition LIFE AS A THALES SOFTWARE SOLUTIONS ENGINEERING ROLE As a Software Solutions Engineering Role within Thales you will: Work within in a Scrum team with other software developers, in Agile mode Contribute … to the requirement definition, to the software design and you will be involved with the architectural aspects of the software projects Integrate software components into a fully functional software system Write well-designed, documented and testable code Develop, test and execute full software development life cycle Design, implement and test features with scalability, performance, deployment More ❯
Barrow-in-furness, Cumbria, United Kingdom Hybrid / WFH Options
Morson Talent
A SoftwareEngineer is sought for a contract position in Barrow-in-Furness, Cumbria. Hybrid working is available, with 2 days per week needed on-site. This role will provide the chance to design exciting new products in a fast paced highly skilled team, whilst maintaining high standards of innovation and creativity. Core Duties Designing embedded softwareMore ❯
Annapolis Junction, Maryland, United States Hybrid / WFH Options
Codescratch LLC
Codescratch is currently seeking a self-motivated and talented SoftwareEngineer with experience to join our growing and dynamic team. The ideal candidate will be an experienced softwareengineer with a strong foundation in designing, developing, and maintaining high-quality software solutions. They will leverage their expertise to drive technical excellence, mentor team members, and … the core of this role, requiring a proactive approach to problem-solving and continuous learning. Key Responsibilities: Contribute to the full life-cycle process from development to deployment of software applications. Collaborate with team members to design, develop, and deploy high-quality software solutions. Create and maintain technical documentation, such as Architecture Design Records (ADRs), design documents, and … API specifications to ensure clarity and knowledge sharing across teams. Optimize software performance by identifying bottlenecks and implementing improvements. Participate in customer reviews and provide constructive feedback. Conduct code reviews to maintain coding standards and improve overall quality. Why Codescratch? Codescratch, is a leading software services company that specializes in developing innovative solutions, driving improvements, and optimizing operations More ❯
Hemel Hempstead, Hertfordshire, England, United Kingdom Hybrid / WFH Options
Sopra Steria
Are you a SoftwareEngineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across … occasional travel to our office in the Hertfordshire area to participate in in-person team meetings, and collaborative sessions. What you will be doing: Designing, developing, and maintaining scalable software applications. Writing clean, efficient, and well-documented code. Participating in the full software development lifecycle – including requirements analysis, design, implementation, testing, and deployment. Collaborating with senior developers … developers in a collaborative, learning-focused environment. Staying up to date with the latest technologies, tools, and industry trends. What you will bring: Experience across all aspects of the software development lifecycle. Strong skills in VB.Net, with familiarity in other programming languages. Experience working with WPF applications and the MVVM architecture pattern. Strong problem-solving abilities and attention to More ❯
SeniorSoftware Development Engineer in Test Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering , you'll play a key role in elevating the quality of … the future! Why Join Our Team? "If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you. Here, we focus on Data ingestion, backup, and unified search … discovery and compliance customers for different data types, as well as delivering Best-in-class user reporting and threat reporting platforms " - Hiring Manager What You'll Do As a Senior SDET within the GCI and TRR teams, you'll play an integral role in ensuring our software quality is excellent and our code and deployments are constituently maintaining More ❯
Washington, Washington DC, United States Hybrid / WFH Options
Core4ce
Core4ce is seeking a SeniorSoftwareEngineer for a position within our AMS organization. This individual will play a significant role in developing highly optimized mission-ready data conditioning and delivery systems in support of mission analytics. The ideal candidate supports critical mission objectives in near real-time - designing, engineering, and maintaining systems that accept data feeds … Mission success depends on flagging data flow failures and restoring data to mission users and systems, with maximum urgency and minimal delay. Responsibilities Candidate will design and develop new software products or make significant enhancements to existing software. The ideal candidate is a hands-on data engineer with experience using AWS infrastructure, commonly used software development lifecycle … developing, testing, and maintaining data-oriented solutions 10+ year experience with Docker and/or Kubernetes, or managed service equivalents (e.g., ECS, EKS) 10+ years' experience in programming or software engineering, preferably Python, JavaScript, and/or Kotlin. 10+ years' experience working with a variety of AWS data services such as Lambda, Translate, EC2, S3, Glue, and OpenSearch 10+ More ❯
Senior Backend SoftwareEngineer - UK, Remote Apply £60K - £85K Full-time Remote Brighton, GB Valid until 29/09/2025 About Eequ Eequ is a marketplace and booking platform for any learning that takes place outside of school or university. But our vision goes far beyond that. We believe there's an alternate future for education … doing what they love and sharing their wisdom with their communities. It will be a long life of learning. About the Product Eequ is a product-led company. Our software drives discovery, adoption, and retention. We have a self-serve model, low-friction onboarding, and user experience is at the centre of our business strategy. As we enter a More ❯
Nottingham, England, United Kingdom Hybrid / WFH Options
Digital Waffle
A fast-growing, product-focused tech business is looking for a Lead SoftwareEngineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯
derby, midlands, united kingdom Hybrid / WFH Options
Digital Waffle
A fast-growing, product-focused tech business is looking for a Lead SoftwareEngineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯
mansfield, midlands, united kingdom Hybrid / WFH Options
Digital Waffle
A fast-growing, product-focused tech business is looking for a Lead SoftwareEngineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯
Chantilly, Virginia, United States Hybrid / WFH Options
Rackner
SeniorSoftwareEngineer Location: Remote Clearance: Active DoD Secret Clearance (or higher) Employment Type: Full-time Transform Military Healthcare with Code: Join Rackner to build secure, cloud-native platforms that transform military healthcare delivery. Build secure APIs, scalable data pipelines, and cloud-native services that enable real-time insights, improve interoperability, and enhance mission readiness. If you … re passionate about healthcare data, federal IT programs, and innovative software solutions, this role lets you make an immediate, meaningful impact. Who You Are: 5+ years of experience in software engineering (backend, API, or full-stack) Proficient in Python, Java, or C# Experienced with REST APIs (FastAPI, AWS Lambda) and OpenAPI specifications Skilled in data pipeline orchestration (dbt … unstructured data Integrate healthcare data into FHIR and OMOP standards for analytics and decision support Collaborate with DevSecOps engineers to deploy applications in secure, high-compliance cloud environments Ensure software is scalable, compliant, and maintainable while enabling rapid delivery Who We Are: Rackner is a cloud-native software consultancy delivering mission-critical solutions in DevSecOps, AI/ML More ❯