Free-Work: Supporting the IT and tech community.

Job Description C# .net Software Engineer Our Client is looking to recruit a Software Engineer with solid 5 plus years of developing and working C# .net in an Agile environment. Essential skills and characteristics: • Senior-level knowledge of C# and .NET Core (5+years) • Experienced with ASP.NET (Web API) • Knowledge of OOP, SOLID principles, clean code • Knowledge of using unit tests and familiarity TDD approach • Knowledge of Git • Experience in coding and debugging in Visual Studio • Ability to work in an Agile environment • Strong communication skills • Self-driven; Being able to work independently • Self-organized • Self-efficient • Strong teamworking skills Good-to-have skills and characteristics: • Open XML SDK for office • Dev Ops skills • Experience with docker • Snowflake • SQL • Python • Basic frontend dev (HTML, CSS, JS). Other skills: • Work in a highly collaborative environment with cross-functional teams on projects ranging from a few months to a few quarters in length • Clearly and concisely communicate highly technical challenges and solutions to stakeholders and non-technical team members • Maintain high standard of quality as you creatively and strategically problem solve throughout the product delivery process • Be able to effectively communicate your work with both technical and non-technical peers • Build solid back-end architectures that integrate easily with other systems and technologies • Understand design patterns and write reusable, modular code • Have a superior attention to detail and a strong ability to Q/A one's own work required, including cross-browser and cross-platform displays and performance • Experience in testing and debugging applications • Performance tuning, improvement, balancing, usability, automation • Polish-speaking is a big advantage The Client would ideally prefer the candidate to be based in Poland and in particular in Krakow. The daily rate/salary is negotiable. Please send your CV to us in Word format along with your rate/salary and availability.

Job Description C# .net Software Engineer Our Client is looking to recruit a Software Engineer with solid 5 plus years of developing and working C# .net in an Agile environment. Essential skills and characteristics: • Senior-level knowledge of C# and .NET Core (5+years) • Experienced with ASP.NET (Web API) • Knowledge of OOP, SOLID principles, clean code • Knowledge of using unit tests and familiarity TDD approach • Knowledge of Git • Experience in coding and debugging in Visual Studio • Ability to work in an Agile environment • Strong communication skills • Self-driven; Being able to work independently • Self-organized • Self-efficient • Strong teamworking skills Good-to-have skills and characteristics: • Open XML SDK for office • Dev Ops skills • Experience with docker • Snowflake • SQL • Python • Basic frontend dev (HTML, CSS, JS). Other skills: • Work in a highly collaborative environment with cross-functional teams on projects ranging from a few months to a few quarters in length • Clearly and concisely communicate highly technical challenges and solutions to stakeholders and non-technical team members • Maintain high standard of quality as you creatively and strategically problem solve throughout the product delivery process • Be able to effectively communicate your work with both technical and non-technical peers • Build solid back-end architectures that integrate easily with other systems and technologies • Understand design patterns and write reusable, modular code • Have a superior attention to detail and a strong ability to Q/A one's own work required, including cross-browser and cross-platform displays and performance • Experience in testing and debugging applications • Performance tuning, improvement, balancing, usability, automation • Polish-speaking is a big advantage The Client would ideally prefer the candidate to be based in Poland and in particular in Krakow. The daily rate/salary is negotiable. Please send your CV to us in Word format along with your rate/salary and availability.

Senior Software Engineer / Developer (C# .Net 6 AWS) London to £85k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks and benefits. As a Senior Software Engineer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. You'll work across the full development lifecycle, from requirements and design through to production, providing subject matter expertise on the .Net stack and contributing to technical design discussions. You'll use a range of technology including Apache Flink with Java for large scale data processing and will be able to assess and recommend new and emerging technologies, using the best tool for the job. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. About you: You have strong C# .Net skills and a good understanding of SOLID, DRY and KISS Design Principles You have a strong knowledge of AWS You've worked on systems that require high throughput, low latency and scalability and understand the challenges involved You have strong analysis and problem, solving skills You have SQL experience You have a good understanding of CI/CD and Infrastructure as Code (Terraform) You're familiar with other languages such as Java and are open to learn new things You're collaborative with great communication skills What's in it for you: As a Senior Software Engineer / Developer (C# .Net 8 AWS) you will earn a competitive package including: Salary to £85k 25 days holiday Pension Life assurance and Income protection Private Medical and Dental care Gym subsidy and wellness apps Cycle to work scheme Ability to buy stock options Family leave and sabbaticals Continuous training and career development including personalised budget Apply now to find out more about this Senior Software Engineer / Developer (C# .Net 6 AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

C# Software Engineer / Developer (.Net Core) London / WFH to £90k Do you enjoy collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable Hedge Fund that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid working and a sociable team environment. As a C# Software Engineer you'll join a cross functional Agile product team responsible for high-value business critical systems. You'll be building systems to manage large datasets which can process updates in real-time with high throughput and low latency; these systems are released with high frequency with technology choices that are continuously evolving. There's a focus on backend development with C# .Net and Kubernetes however you will work across the full stack, using TypeScript, Blazor and React on the client side. You'll take ownership of projects and collaborate with a team of highly skilled engineers as well as business stakeholders, continually learning, assessing new technologies and making recommendations within a flat structure. Location / WFH: You'll be based in fantastic offices in a vibrant area of London with in-house gym and steam room, games room with pool tables and dart boards, library and free high quality catering (breakfast, lunch, dinner) from the onsite chef with flexibility to work from home two days a week. About you: You have C# serverside development skills, including .Net Core and multi-threading You have a good knowledge of AWS and Kubernetes The tech stack also includes JavaScript / TypeScript, Blazor and React for client side applications; experience with any of these would be beneficial but you can pick them up on the job You're commercially aware and keen to understand the business impact of what you do You have excellent communication, collaboration and problem solving skills You're degree educated in a STEM discipline, Computer Science preferred, 2.1 or above What's in it for you: Competitive salary, to £90k Pension Private medical care and wellness days Training and conference budget to support your personal development Apply now to find out more about this C# Software Engineer / Developer (.Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just 'making up the numbers'. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, ASP.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £50K - £75K. Please do send your CV to us in Word format along with your salary and availability.

Software Engineer - C# .Net My client, a leading energy trading platform provider in London, are looking for a Software Engineer with a passion for complex problems and analytical products for one of their Data Engineering teams. Consuming huge amounts of data each day, this Fintech company allow traders to monitor their commodities, securities and investment at scale and in real-time. Ingestion pipelines are created using cutting edge technology, producing market leading data insights via their exceptional microservices system that is heavily reliant on both C# and Kotlin. Experience - 2+ years C#, .Net experience - WPF a plus Familiarity with at least one other programming language (Java, C++, Kotlin would be beneficial) Cloud experience (we use Azure, AWS or GCP welcome) Kafka or exposure to ActiveMQ, RabbitMQ or Spark Orchestration and Containerisation experience (Kubernetes, Docker and Microservices) Creating greenfield microservices, this team plan to add a wealth of functionality to existing systems as well as new products to an already market leading suite of financial tools, aimed at data analytics, trading and risk. Paying up to £100,000 plus benefits.

Backend Software Engineer / Developer (C# .Net) Reigate / WFH to £70k Are you a technologist with strong backend C# .Net experience? You could be progressing your career, working on complex and interesting systems at a global FinTech. As a Backend Software Engineer you'll join the team responsible for the company's flagship desktop insurance modelling application, which is a highly complex, data centric solution built in C# .Net. Collaborating within an Agile team environment you'll design and develop solutions in C# .Net across the full software development lifecycle including testing. You'll contribute ideas and seek continual improvements in a diverse team environment. Location / WFH: There's a remote interview and onboarding process as well as the ability to work from home most of the time, visiting the Reigate office twice a week for team meet-ups and stakeholder meetings. About you: You have C# .Net development skills across the full software development lifecycle You have a strong knowledge of software engineering best practices and Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have experience with SOLID Design Principles, version control, test automation, Continuous Integration You're collaborative and have Agile team experience What's in it for you: As a Backend Software Engineer / Developer (C# .Net) you will earn a competitive package: Salary to £70k + generous bonus 25 days holiday (and ability to buy more and an extra day for your birthday) Pension Health Care Life Assurance Enhanced maternity / paternity packages Continuous training and career development opportunities Plus a range of other perks and discounts Apply now to find out more about this Backend Software Engineer / Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Software Engineer / Developer (F# C# .Net) London to £140k+ Do you have expertise with .Net? You could be working on complex and interesting real-time systematic trading systems, with complex problem solving and continual learning and self-development opportunities at a Swiss based Asset Manager that is expanding its UK presence and tech team. As a Software Engineer you'll be designing and developing new capabilities in trading, data and research, collaborating as part of a small team where your contributions will have a real impact. You'll be using F# within a .Net environment, to expand the company's trade execution platform with new instruments and venues, developing new trading capabilities, all the technology is proprietary with a focus on writing computational, efficient low latency code. Location / WFH: You'll join accomplished colleagues in the London office with flexibility to work from home one day a week (there are also flexible start and finish times). About you: You have software engineering expertise, with an advanced knowledge of C# .Net, ideally with F# experience and happy to use this going forward You have low level optimisation skills and a good understanding of algorithmic complexity, data structures, garbage collection (as well as how to bypass it), low latency programming and interaction with operating systems Ideally you will also have experience of writing code for venue connectivity, orders and pricing systems, experience with FIX protocol and SBE protocols also beneficial You're degree educated in Computer Science or other relevant discipline, having gained a 2.1 or above from a top tier university What's in it for you: As a Software Engineer / Developer you will earn a competitive package: Salary to £140k Bonus (c25%), discretionary 26 days holiday (in addition to Bank Holidays) Pension Interesting work with autonomy and excellent career growth opportunities as the company scales Apply now to find out more about this Software Engineer / Developer (F# C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Junior Software Engineer / Developer (C# .Net) Nottingham / WFH to £30k Are you a bright, ambitious Junior Software Engineer with strong C# .Net skills? You could be progressing your career at a tech company that provides a range of software solutions to energy suppliers from small start-ups through to major household names, covering everything from connecting to the grid through to CRM systems. As a Junior Software Engineer you'll join an Agile team within the customer experience division with a focus on designing and developing onboarding systems and portals. You'll be working with a modern tech stack, with a focus on C# .Net and API development; you'll be able to pick up new skills and knowledge on other technologies in the stack such as AWS and Docker on the job. There's a supportive team environment where you'll be mentored and supported to reach your full potential and progress to a more senior role in time. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings once a month in the Nottingham office. Requirements: You have C# .Net development skills You have a good understanding of APIs You're collaborative and keen to learn You're likely to be degree educated in Computer Science or similar technical discipline Salary & benefits: As a Junior Software Engineer / Developer you will earn a competitive salary: to £30k 25 days holiday Vitality health insurance 5% non-contributory pension Death in Service Travel allowance to the Nottingham office Apply now or call to find out more about this Junior Software Engineer / Developer (C# .Net API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.