Permanent 'Senior Developer' Job Vacancies

801 to 825 of 1,155 Permanent Senior Developer Jobs

Senior Dotnet Developer

London Area, United Kingdom
Hybrid / WFH Options
Morris Sinclair Recruitment
Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform More ❯
Posted:

Senior .Net Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
MORRIS SINCLAIR RECRUITMENT LTD
Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform More ❯
Employment Type: Full-Time
Salary: £70,000 - £100,000 per annum
Posted:

Mid–Senior WordPress Developer

London Bridge, London, England, United Kingdom
OnTrack Retail
About the Role We’re looking for a skilled WordPress Developer to join our team and take ownership of a small-to-medium brochure-style website project. This role will focus on implementing high-quality, maintainable WordPress solutions using our custom in-house theme , bringing Figma designs to life with precision and attention to detail. Responsibilities Develop and maintain More ❯
Employment Type: Full-Time
Salary: £28,000 - £40,000 per annum
Posted:

Senior C# Developer

Cheshire, United Kingdom
Michael Page
Our client is a Technology Company based in Warrington and in this role you will be building Enterprise IT solutions for their clients. Due to growth into the space on FinOps and building new products they are looking to add More ❯
Employment Type: Permanent
Salary: GBP 60,000 - 90,000 Annual
Posted:

Senior C# Developer

Warrington, Cheshire, Risley, United Kingdom
Michael Page
Our client is a Technology Company based in Warrington and in this role you will be building Enterprise IT solutions for their clients. Due to growth into the space on FinOps and building new products they are looking to add More ❯
Employment Type: Permanent
Salary: £60000 - £90000/annum
Posted:

Senior Python Developer

Gloucester, England, United Kingdom
Anson McCade
Python Software Engineer – Security & AI Projects Gloucester – Hybrid (2–3 days on-site) Up to £70,000 + Excellent Benefits **Must be a British Citizen** Join one of the UK’s leading technology and defence engineering consultancies — a team trusted More ❯
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Senior Software Developer

South East, United Kingdom
ECM Selection (Holdings) Limited
Location: Surrey Solving varied real-world defence and security challenges through software Please note, candidates are required to secure Developed Vetting (DV) clearance for this role. This requires you to be a British citizen and have resided in the UK More ❯
Employment Type: Permanent
Salary: £45000 - £70000/annum DoE + Benefits
Posted:

Senior PHP Developer

United Kingdom
Hybrid / WFH Options
ByteHire
Reference: BH-346p Working Hours: 5 days per week Job Type: Permanent Permanent Salary: up to £60,000/per annum Location: UK, Fully Remote (1 day per month on-site, in Halifax, England) About the Company: The company is More ❯
Posted:

Senior Java Developer

London, United Kingdom
Apexon Technology
About Apexon:Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python Engineer / Lead Developer (Agentic/llm systems)

United Kingdom
Cyfrin
Position Overview We're seeking an exceptional Senior Python Engineer to take technical leadership of a complex, production-grade codebase. This role involves architecting and developing sophisticated systems that combine AI/LLM integration, code analysis, and security tooling. You'll be responsible for architectural decisions, feature development, team mentorship, and maintaining the highest standards of code quality. Location … Remote Experience Level: Senior (5+ years) Commitment : Full-time Core Responsibilities Technical Leadership Make critical decisions about system architecture, design patterns, and technology choices Establish and enforce coding standards, review practices, and quality benchmarks Define and prioritize technical initiatives aligned with product goals Lead architectural discussions and drive consensus on complex technical decisions Ensure system performance and scalability for … and continuous improvement Security Mindset: Awareness of common security vulnerabilities and defensive programming practices Preferred Qualifications 5+ years of professional Python development 2+ years in a technical leadership or senior engineering role Experience building AI/LLM-powered applications in production Background in security, static analysis, or developer tools Experience with smart contracts (Solidity, Rust) or blockchain technologies More ❯
Posted:

Senior Back End Developer

Nottingham, Nottinghamshire, United Kingdom
Vantage Consulting
I'm looking for a Senior Back End Developer for an electrical vehicle charger company (founded 1990) based in Nottingham. You will create an ambitious Cloud platform that sends data pipelines to customers. Location: Nottingham, ~5 days on-site to start with then 1-2 days on-site per week. 2:30pm finish on Fridays. The requirements include More ❯
Employment Type: Permanent
Salary: £50000/annum
Posted:

Senior Fullstack Software Developer - Node/React

London, United Kingdom
Hybrid / WFH Options
Senior Software Engineer (React/Node) £Hybrid working in London (Holborn) Would you like the opportunity to work for a growing organisation in the tech for good space, currently looking for a Senior Fullstack (React/Node) Engineer? You will be joining a dynamic product team, where you will be building great software and having a direct … experience with their stack TypeScript, React, Next.js and Node.js Strong expertise in designing and maintaining scalable, high-performance web applications A good understanding of databases If you re a Senior Software Engineer (React/Node) looking to work in a tech for good organisation, please apply. More ❯
Posted:

Sr. Backend C# Developer

Ohio, United States
Client Company
Seeking a Sr. Backend C# Developer for gathering requirements, application design, development and testing. Create presentations, demonstrating changes, deploying changes & providing technical customer support. Duration-contract/through: 6-30-26 Work location: Columbus (onsite) Onsite interview(s) -Responsible for new development and/or rewriting legacy applications to .NET applications utilizing C#, ASP.NET Core MVC, Web API, SQL More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Sr. Remedy Developer

Saint Paul, Minnesota, United States
Hybrid / WFH Options
Genesis10
Genesis10 is currently seeking a Sr. Remedy Developer for a contract role with our client in the healthcare industry. This role 100% Remote. Compensation: $60.00 - $65.00 per hour W2, depending on skill and experience level. Job Requirement: We are seeking an experienced Remedy Developer to join our team on a contract basis. The ideal candidate will have strong … PL SQL functions, stored procedures, and performance tuning. Experience working with Linux. Comfortable writing shell scripts. Experienced in Python scripting. Experience with Oracle database. Proven experience as a Remedy Developer (4+ years) with hands-on experience. Strong knowledge of Remedy development including Business Rules, Script Includes, Client Scripts, UI Actions, Scheduled Jobs, Import Sets, Transform Maps, and Web Services. More ❯
Employment Type: Permanent
Salary: USD 6,500 Hourly
Posted:

Senior Database Developer (CDNA)

England, United Kingdom
Medium
broker. On the Nadex exchange, we list innovative capped-risk derivatives contracts on a wide range of global financial markets. About the role We are looking for an Oracle Developer who is proficient in PL/SQL development and has a strong background in relational data modeling. The ideal candidate will be responsible for designing, developing, and maintaining Oracle … s degree in Computer Science, Information Technology, or a related field. Minimum of 5 years hands-on industry experience actively working with Oracle RDBMS. Proven experience as an Oracle Developer with a focus on PL/SQL development. Strong knowledge of relational data modeling and database design principles. Proficiency in writing and optimizing complex SQL queries, stored procedures, functions … and triggers. Experience with Oracle database performance tuning and optimization techniques. Familiarity with Oracle tools and utilities such as SQL Plus, SQL Developer, and Oracle Enterprise Manager. Ability to work in a fast-paced Fintech industry environment. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills, with the ability to work effectively in a team More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer

Central London, London, United Kingdom
Halian Technology Limited
Join a top-tier London consultancy partnering with a major insurance client to develop innovative analytics and actuarial solutions. Were looking for an experienced backend software engineer to take a leading role in the evolution of a cutting-edge internal More ❯
Employment Type: Permanent
Posted:

Senior JavaScript Developer

Leeds, Yorkshire, United Kingdom
Enablis
We9re a consultancy, so expect close collaboration with our customers, as such we expect you to be a team player with a knack for collaboration and communication. Key Responsibilities Collaborate Work with stakeholders and product managers to ideate software solutions More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Back End NodeJS Developer (AWS)

London, England, United Kingdom
Hybrid / WFH Options
Digi Yeah!
Experienced Back End Typescript/Javascript Developer (AWS, Typescript, NodeJS, GraphQL) - TSDBE25 You will need extensive experience using Typescript and AWS services for this role. We develop the SaaS platform that keeps beer flowing through the UK’s pubs. We run a serverless stack, using the Serverless Framework, AWS Lambda, AWS AppSync and other AWS managed services. We use More ❯
Posted:

Senior Back End NodeJS Developer (AWS)

london, south east england, united kingdom
Hybrid / WFH Options
Digi Yeah!
Experienced Back End Typescript/Javascript Developer (AWS, Typescript, NodeJS, GraphQL) - TSDBE25 You will need extensive experience using Typescript and AWS services for this role. We develop the SaaS platform that keeps beer flowing through the UK’s pubs. We run a serverless stack, using the Serverless Framework, AWS Lambda, AWS AppSync and other AWS managed services. We use More ❯
Posted:

Senior Back End NodeJS Developer (AWS)

slough, south east england, united kingdom
Hybrid / WFH Options
Digi Yeah!
Experienced Back End Typescript/Javascript Developer (AWS, Typescript, NodeJS, GraphQL) - TSDBE25 You will need extensive experience using Typescript and AWS services for this role. We develop the SaaS platform that keeps beer flowing through the UK’s pubs. We run a serverless stack, using the Serverless Framework, AWS Lambda, AWS AppSync and other AWS managed services. We use More ❯
Posted:

Senior Principal Software Engineer / Developer

Huntsville, Alabama, United States
Northrop Grumman
opportunity for a Software Engineer supporting an Internal Research and Development (IRAD) to join our team of qualified, diverse, and innovative individuals located in Huntsville, AL. As a software developer on an Internal Research and Development (IRAD) team. You will work in a collaborative environment to understand system requirements, create and implement new capabilities and algorithms. Many of the More ❯
Employment Type: Permanent
Salary: USD 95 Hourly
Posted:

Senior Java Software Developer

London, United Kingdom
Hybrid / WFH Options
Itrs Insights
and Chicago. We pride ourselves on a diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. The Core Platform layer … team in anticipation of wider customer adoption through 2025. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate in mentoring relationships - both giving … personal growth. There will always be opportunities requiring it. We have an ambitious L&D policy to support your learning and growth Requirements You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. You have built applications from the ground-up with a deep understanding of core Java, data structures and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Pricing Services Developer (C#) FX Options Pricing - London (VP) - Citi

London, UK
Hybrid / WFH Options
Citi
the opportunity to grow your career, give back to your community and make a real impact. Job Overview We are seeking a highly skilled and motivated server side application developer to play a key role on a greenfield multiyear transformation program aimed at modernizing and scaling the electronic FX Options Trading Business Responsibilities: Contribute to the design and development More ❯
Employment Type: Full-time
Posted:

Senior Frontend React Developer Remote

United Kingdom
Hybrid / WFH Options
Location : UK- Remote Develop a high-performance 3D brain visualization tool in the browser using WebGL and Three.js . Build and maintain React components to enable user interaction with different types of media (images, video, text). Integrate backend Python More ❯
Posted:

Senior .Net C# Software Developer : Market Data with Commodity Trading Company - 12 Month Initial Contract

London Area, United Kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation More ❯
Posted:
Senior Developer
10th Percentile
£52,500
25th Percentile
£57,500
Median
£67,500
75th Percentile
£80,000
90th Percentile
£93,750