717 Developers jobs in London

Software Engineer

London, London Harnham

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Job Description

Role: Full-Stack Developer
Salary: £50,000 - £55,000
Location: London - Hybrid (3 days office / 2 days home)

Our client is a fast-growing consultancy helping organisations in the legal sector embrace digital transformation. They deliver scalable, secure applications by combining expertise in software development, data, and automation.

They are seeking a Full-Stack Developer to join their expanding team. This is a chance to work across the stack, experiment with new technologies, and grow as the company scales.

The role will involve:

  • Building, testing, and maintaining full-stack applications
  • Collaborating with stakeholders to gather requirements and shape solutions
  • Developing scalable apps with modern frameworks and low-code platforms
  • Prototyping and experimenting with new technologies
  • Working in agile teams to deliver high-quality software

What you'll bring:

  • 2+ years' experience in software development
  • Proficiency in Python, JavaScript, or C#
  • Knowledge of relational databases and RESTful APIs
  • Strong problem-solving and communication skills
  • Curiosity and eagerness to learn

What's on offer:

  • Hybrid working in central London (Covent Garden/Soho/Southbank)
  • Competitive salary + private medical insurance + Cycle to Work scheme
  • Modern office with gym, showers, and bike storage
  • A supportive, collaborative environment where everyone makes an impact

If you're passionate about building great software and want to be part of a growing consultancy, apply today.
























Desired Skills and Experience

Python, Node, Node.js, JavaScript, Typescript, Flask, Django, C#, React, Next.js, Vue
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Software Engineer

New
London, London RedCloud Technologies

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About RedCloud

We are revolutionizing B2B commerce by delivering scalable, innovative solutions that empower businesses to grow and thrive in a competitive landscape. Our AI powered platform streamlines logistics, payments, and supply chain operations, making it easier for companies to connect, transact, and succeed. With a diverse and dynamic team, we're committed to driving impact, fostering collaboration, and shaping the future of global trade.

The role:

As a Software Engineer you will solve challenges and add value for our customers through your skills in technology. You will be delivering new features and areas of product to our customers in our systems, and investigate and resolve complex issues in our systems in a timely fashion. They understand the architecture of the systems and are able to work with Engineering Managers and Product Managers to define and document architecture for new areas of the system, aligning to RedCloud's architecture strategies. The Software Engineer is a consistent high performer delivering value into production regularly, consistently and with high quality. They are an idea contributor and innovator adding new value to the team and the product.

What you'll be doing:

  • Deliver Features and bug fixes in our software platforms for our customers.
  • Resolve Bugs
  • Resolve production Outages / issues
  • Estimate Features / Bugs
  • Architecture & Design
  • Refine feature requirements
  • Carry out code reviews
  • Keeping pace with Technology

What you'll need:

  • At least 3+ years of experience in software engineering, with strong proficiency in C#, .NET Core, AWS, Node.JS, Databases (SQL, NoSQL)
  • Skills and the ability to break down complex challenges into manageable, actionable tasks.
  • Excellent communication skills, with a collaborative approach to working within diverse teams.
  • A passion for continuous learning and personal development, with a willingness to explore new ideas and approaches.

Even if you don't meet every requirement, we still encourage you to apply. Your unique experiences and perspectives might be just what we're looking for.

Benefits

Working with a pioneering provider of eCommerce solutions you will have the opportunity to join an international company who are growing massively, we encourage ambition and creativity.

Plus, you will get:

  • 25 Days Annual leave, increasing to 26 days after 12 months in the business
  • Enhanced Company Pension (Matched up to 5% & Salary Sacrifice)
  • Healthcare Cashplan with Medicash
  • Private Healthcare with Aviva
  • Life Insurance with AIG
  • Happl, our benefit platform which provides access to pre-negotiated discounts on a wide variety of services including entertainment, food, and fitness.
  • Stock / Equity

Check out the links below to see what our CEO Justin Floyd has to say about our plans for growth for the year ahead, and to see our latest video on the mission we're on

RedCloud I We're growing

RedCloud I Red101 App I Open Commerce

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Software Engineer

London, London Experis UK

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Experis

Software Engineer

Perm

Salary DOE

London, Bristol (Hybrid)

**DV or SC Clearance Essential**


Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis.

In order to be successful, you will have the following experience:

  • Experienced Software Developer/Engineer
  • Strong background within Python, C++, C#, SQL, TypeScript
  • Experience of Palantir technology is a bonus
  • DV or SC Clearance is essential


Within this role, you will be responsible for:

  • Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients.
  • Solve user problems by drawing source and captured data into a single foundational data model and building operational workflows that materially change the decisions made
  • Work closely with clients, to tailor products and services
  • Design solutions for client problem sets based on their descriptions and by exploration of the data landscape
  • Assist in the design, development, and maintenance of data pipelines and ETL processes to build data and action models to address the workflow needs
  • Build and edit operational workflows, including front ends and decision-support toolsets, inclusive of native Palantir tooling and integrated front ends
  • Collaborate with team members to implement AI and machine learning models against user problems
  • Close working with clients, building deep and sustainable relationships that positions you/us as their “trusted advisor”
  • You will be part of the journey of building a rapidly growing company with strong ideals and ambitions. You will work closely with teams of experienced and early talent engineers on a variety of projects, gaining hands-on experience in data management, analysis, and AI technologies, on profound and important problems.

This represents an excellent opportunity to secure a permanent role with a growing and dynamic organisation.

For further information please contact

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Software Engineer

London, London Hadte Group

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Software Engineer - Python (FinTech)

Join a fast-growing fintech on a mission to redefine how people interact with their finances. Help build a real-time platform that empowers individuals and businesses with smarter, faster and more transparent financial tools, all wrapped in a seamless user-centric experience. We believe in challenging the status quo, building products people love, and having fun along the way.


We’re looking for a talented Python Engineer who’s passionate about creating an exceptional real-time data platform that will process and deliver data instantaneously; allowing for instant insights and actions. In finance, these systems are crucial because markets move very quickly, and delays of even milliseconds can have big consequences.


Essential skills:

  • 3+ years of experience in Python development.
  • 3+ with open-source real-time data feeds (Amazon Kinesis, Apache Kafka, Apache Pulsar or Redpanda)
  • Exposure building and managing data pipelines in production.
  • Experience integrating serverless functions (AWS, Azure or GCP).
  • Passion for fintech and building products that make a real difference.


Day to day:

  • Develop and maintain our real-time data streaming pipelines.
  • Write clean, reusable and scalable code.
  • Optimise performance and troubleshoot issues across the platform.
  • Stay up to date with the latest development trends and tools.
  • Collaborate with product and engineering to deliver high-quality features.


Benefits:

  • Opportunity to shape a product used by thousands (soon to be millions!) of customers.
  • Collaborative, supportive, and innovative team culture.
  • Access to the latest tools and technologies.
  • Flexible working hours with onsite, hybrid and remote options.
  • Competitive salary with an endless list of benefits.
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Software Engineer

London, London stackspell labs, Inc.

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The Company

stackspell labs, Inc.  is a venture-backed startup (strategically in stealth) building the AI-native abstraction layer for enterprise software. 


We’re reimagining how complex enterprise software systems/platforms (e.g., SAP, Salesforce, Workday, Dynamics, etc.) are extended, integrated, configured, and operated by AI agents.  Think Lovable meets Terraform  for enterprise software.


Our core product is a framework purpose-built for AI coding agents, enabling them to express intent, while our platform transpiles, orchestrates, and governs it across the enterprise stack. This abstraction layer unifies and standardizes the primitives of major enterprise platforms, unlocking agentic workflows for transformation and software delivery. It empowers Corporate IT teams to design, configure, and operate secure, compliant, production-grade solutions with the speed and elegance of modern product engineering; finally bridging the gap between enterprise governance and AI-native velocity.


The Role

You’ll own the end-to-end development  of Stackspell’s core platform: designing, coding, deploying, and hardening the systems that make AI-native enterprise engineering possible.


Your work blends full-stack development, platform architecture, and applied AI , turning research concepts into production-grade infrastructure. You’ll be hands-on across the stack, from TypeScript and React to orchestration, distributed systems, and AI agent tooling, ensuring everything you build is secure, observable, and enterprise-ready.  This role demands both breadth and depth ; the curiosity of a researcher and the precision of a production engineer.


Your Profile

You thrive at the intersection of AI, systems thinking, and developer experience.  You’re hands-on, detail-obsessed, and comfortable operating in ambiguity. You care about precision, resilience, and developer experience; not just writing code, but building the platform foundations others can build upon. You understand how modern stacks fit together, from AI pipelines to monorepos, and you enjoy architecting systems that are both powerful and tasteful.


Your Hard Skills:

TypeScript (React / Express) · RxJS · Tailwind · Docker · Nx / ArgoCD / GitOps · Private Registries

TSC · TSX · pnpm / yarn · ESLint · Build Pipeline Hygiene

Azure / AWS · IaC (Terraform / Pulumi)

Enterprise Architecture · Multitenancy · Zero-Trust · FGA · Event-Driven · Caching · Workflows

TypeORM · Drizzle · RabbitMQ · Redis · Distributed Systems · Vercel AI SDK · Prompt Engineering · Agentic Systems · LLM Toolchains · Embeddings · Retrieval · AST / Codegen

Applied AI / Systems Research (Bonus)


The Offer

Location: London (in-person)  strongly preferred during the early phase to build tightly as a founding team. Remote possible for exceptional candidates, but proximity gives the best chance to shape the product early.


  • Competitive compensation + meaningful equity
  • Early-stage ownership & impact  on product and company direction
  • Premium private health insurance (vision & dental included)
  • Fully covered housing if based in London
  • Wellness budget + gym access
  • Weekly home service (cleaning, laundry, groceries)
  • Two fully covered offsites  per year


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Software Engineer

London, London Experis UK

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Software Engineer


Location: Cheltenham, London, Manchester

Job Description

Responsible for designing, developing, and maintaining large-scale, secure, and high-performing solutions. This role involves mentoring and coaching junior team members, translating stakeholder requirements into actionable user stories, and embedding security throughout the software development life cycle. The position calls for strong technical expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives.

Experience Requirements

Software Development & Principles

  • Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS
  • SOLID Principles: Familiarity with object-oriented and clean coding practices

Testing & BDD

  • Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools
  • Domain-Specific Languages: Knowledge of BDD approaches (e.g., Cucumber, Gherkin) for test automation

Containerisation & Microservices

  • Container Technologies: Practical understanding of Docker or equivalent solutions
  • Microservice Patterns: Experience architecting microservice-based systems with built-in observability and security

Cloud Services & Environments

  • Cloud Providers: Demonstrable experience with AWS or Azure
  • Security & Configuration: Ability to build, configure, and secure cloud environments effectively


Security & CI/CD

  • Security Integration: Familiarity with embedding security checks at every phase of the SDLC (e.g., SAST, DAST)
  • Automation Pipelines: Experience with Continuous Integration (CI), Continuous Delivery (CD), and continuous testing tools (e.g., Jenkins, GitHub Actions)

Agile & Mentorship

  • Agile Delivery: Background in Scrum or Kanban, assisting Product Owners and shaping team objectives
  • Mentoring: Proven track record of helping less experienced developers advance their skills and confidence

Roles and Responsibilities

Collaboration & Full Lifecycle

  • Work collaboratively with Argo and its partners, taking ownership of the full software lifecycle—from requirements gathering to deployment and maintenance
  • Ensure high-quality delivery of product components and systems that meet agreed time, scope, and budget parameters

Technical Discussions & Customer Engagement

  • Participate in and contribute to technical discussions with team members, delivery management, and technical leads
  • Support stakeholder engagement by eliciting requirements, refining user stories, and ensuring alignment with project goals

Innovation & Prototyping

  • Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges
  • Explore and recommend innovative solutions that inform future product and architectural strategy

Agility & Team Culture

  • Embrace and advocate for Agile or similar modern development approaches
  • Foster a high-performing team culture by promoting collaboration, iterative feedback, and continuous learning

Security & Risk Management

  • Engage with customers, including security and policy teams, to identify and manage risks throughout the development lifecycle
  • Align development activities with security best practices and relevant compliance standards

Architecture & Integration

  • Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers
  • Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency

Tools & Processes

  • Establish and evolve development tools, processes, and ways of working to continuously improve quality, efficiency, and effectiveness (e.g., automation, CI/CD)
  • Collaborate with other technologists to optimize product integration across workflows and system dependencies

Mentoring & Coaching

  • Provide technical guidance, code reviews, and best-practice standards to less experienced engineers
  • Coach team members in areas such as test automation, DevSecOps techniques, and effective problem-solving
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Software Engineer

London, London TRIA

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Software Engineer

Hybrid - London - 3 days a week

£55,000 - £60,000 + Bonus & Benefits



Our client is a FTSE100 market leading organisation who are looking for a Software Engineer to join their growing digital solutions team. You’ll be involved in ensuring solutions are scalable, secure and widely adopted across the business.



You'll need to demonstrate previous experience in using cloud services and modern software development. You’ll also be responsible for promoting best practices across the wider company and supporting teams in adopting them.



We’re looking for candidates who possess the following:

  • Experience with Azure Ecosystem
  • Working on creating Proof of Concepts and prototypes
  • Interest in emerging areas such as AI or automation
  • Excellent stakeholder communication skills


If you meet some of the above requirements please apply for more information.

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Software Engineer

London, London LinuxRecruit

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If you’re looking for a comfortable 9 to 5, something well established, structured, and where you’re told exactly what to do, this won't be for you. But if you want to build something extraordinary from the ground up and have a direct hand in shaping a company that’s scaling at breathtaking speed, keep reading.


This is your chance to join an early stage AI startup that’s redefining how innovation is discovered, protected, and accelerated. The team is building systems that detect infringement, streamline R&D, and empower creators to move faster. It’s a true greenfield opportunity, no legacy code, no bureaucracy, just the freedom to solve challenging technical problems with impact.


The founding team comes from some of the world’s most respected technology companies and is backed by tier-one investors and industry leaders who know how to build billion-dollar businesses. The company’s trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning.


As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating directly with the founders to design, ship, and iterate products. You’ll speak with customers, think critically from their perspective, and see your work have an immediate, visible impact. The team operates in one-week sprints, moving at an intensity few companies can match. This isn’t a clock-in, clock-out culture, it’s built for those who thrive in fast moving, high ownership environments. This company has an in office culture mainly because there’s nothing quite like building the next tech unicorn, together, in the same room, ask the big players.


What you’ll need to succeed:

  • Strong experience building production quality software (Java, TypeScript, or Python)
  • Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively
  • Hunger and drive: you’re comfortable working in ambiguous, fast paced environments
  • Ownership mentality: you take full responsibility for solving problems, not waiting for instructions


In return, you’ll receive a highly competitive base salary, meaningful stock options, and the opportunity to join right before takeoff. That’s the real reason people join startups, the ownership, the impact, and the upside. Those options could change your life, your home, your car, your freedom whatever drives you.


If that sounds like you, and you’re open to hearing more, please apply below or reach out directly at

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Software Engineer

London, London Reelables

Posted 2 days ago

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Ready to revolutionize global logistics?

Join Reelables and help us transform how the world tracks packages! We're not just another startup – we're pioneering paper-thin smart shipping labels that use Bluetooth and 5G to track millions of packages globally. Imagine building products that touch every corner of the supply chain, from a small business shipping their first product to massive cargo containers crossing oceans.


This isn't your typical product role. You'll be architecting customer experiences that directly impact billion-dollar supply chains, designing intuitive dashboards that make sense of complex IoT data streams, and building features that logistics managers around the world will rely on daily. Every line of code you write will help businesses track their most valuable assets in real-time.


Who we are

Reelables is a rapidly scaling tech company based in North London (near Angel), developing the world's most advanced smart shipping labels. Our breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started.


Responsibilities

Product Innovation & Customer Impact

  • Drive the end-to-end development of customer-facing features that directly impact user experience and business outcomes
  • Transform complex IoT data streams into intuitive, actionable insights for logistics professionals
  • Design and build responsive web applications that handle real-time tracking data from millions of labels worldwide
  • Collaborate directly with customers to understand pain points and translate them into elegant technical solutions


Technical Leadership & Quality

  • Architect scalable frontend solutions that can handle massive data visualization and real-time updates
  • Write production-ready code with comprehensive testing, monitoring, and error handling
  • Champion user experience best practices and ensure our platform delights customers at every touchpoint
  • Lead technical discussions on product architecture and contribute to strategic technology decisions


Rapid Innovation Culture

  • Ship code daily in our lean, fast-moving environment where your work goes live immediately
  • Mentor team members and elevate our overall engineering standards
  • Proactively identify opportunities to improve our development processes and customer satisfaction
  • Take ownership of features from conception through deployment and ongoing optimization


Experience

Core Technical Skills

  • Frontend Excellence : Expert-level TypeScript, React/Vue.js, with a strong eye for UX/UI design
  • Full-Stack Capability : Node.js experience for seamless frontend-backend integration
  • Cloud-Native Development : Hands-on AWS experience, particularly with serverless architectures
  • Modern DevOps : Proficiency with CI/CD pipelines, automated testing, and deployment strategies


Product-Focused Experience

  • Track record of building customer-facing applications that handle complex data visualisation
  • Experience working closely with product managers, designers, and customers to deliver exceptional user experiences
  • Understanding of real-time data systems and how to make them accessible to non-technical users
  • Background in B2B SaaS products or logistics/supply chain technology (bonus!)


Growth Mindset

  • Passion for working in a fast-paced start-up environment where you can see direct impact
  • Strong communication skills and ability to explain complex technical concepts to various stakeholders
  • Experience mentoring others and contributing to team culture
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Software Engineer

London, London THRivve by intelletec

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Senior Software Engineer | Hybrid | London


We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products.


This is a unique opportunity to influence the technical roadmap at a high-growth fintech scale-up working with top-tier global financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams.


Ideal Candidate:

  • Proven experience with backend/fullstack development using Node.js , Python , and AWS serverless architecture
  • Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch)
  • Familiarity with frontend frameworks like Vue or React
  • Comfortable mentoring developers and influencing technical direction
  • Experience in financial services or a data-heavy B2B environment is a plus


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