Staff Engineer - London/Belgrade

Sokin; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading financial services provider in the UK is seeking a Staff Engineer to play a critical role in designing and delivering scalable software solutions. This position involves mentoring team members, leading complex projects, and driving technical standards and best practices. Ideal candidates have over 10 years of experience in software development, particularly in large-scale systems. The role offers a dynamic work environment with a focus on innovation and collaboration.

Benefits

Agile and flexible working culture

Inclusive work environment

Qualifications

• 10+ years of software development experience with large-scale systems.
• Proven experience in programming languages such as Python, Java, C++, or JavaScript.
• Deep understanding of software design patterns and architecture.
• Experience with cloud technologies and microservices architecture.

Responsibilities

• Design, build, and maintain scalable systems.
• Lead complex projects and coordinate with cross-functional teams.
• Mentor junior engineers and foster a culture of growth.
• Implement best practices for team efficiency and code quality.

Skills

Software development

Problem-solving

Communication skills

Cloud technologies

DevOps practices

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

Python

Java

C++

JavaScript

AWS

Job description

Staff Engineer

We are searching for a Staff Engineer that can play a critical role in designing, developing and delivering scalable and efficient software solutions. Serving as a technical leader you’ll help mentor your team members, collaborate with cross-functional teams to guide architectural decisions, setting technical standards and ensuring high code quality across projects.

Your depth of experience will enable you to lead on complex projects, drive innovation, champion best practices to enhance product development and deliver real value for the business and our growing customer base internationally. For this role we will need someone that has a strong mix of hands‑on technical work and strategic thinking.

About Us

Sokin is a next‑generation B2B financial services provider, enabling businesses to make and receive global payments with greater speed, lower cost, and total transparency.
Our mission is simple: we’re simplifying global business - so businesses thrive wherever they choose to grow. We deliver services across:

• Global payments and receivables

• Foreign Exchange (FX)

• Treasury management

• Finance reconciliations

We are rapidly expanding, with established presence in EMEA, APAC, and North America, backed by a strong global infrastructure and industry‑leading partners, we are redefining how businesses move money worldwide.

Our clients span industries from sports and entertainment to logistics and travel, and our community is growing rapidly. As we continue to expand, we’re building a team of exceptional people who share our ambition to transform the future of global payments.

Key Responsibilities

Technical Leadership

• Design, build, and maintain highly scalable and reliable systems, ensuring they align with company goals and technical standards.
• Define, communicate, and enforce coding standards, design principles, and development methodologies across teams.
• Drive architectural decisions and work closely with stakeholders to align on technical strategies and roadmaps.

Project Ownership

• Lead complex projects from conception through delivery, coordinating with engineering, product, and design teams.
• Identify technical challenges, propose solutions, and proactively mitigate risks to ensure timely delivery.
• Own end‑to‑end performance, security, and reliability of systems and applications.

Mentorship and Collaboration

• Mentor and guide junior and mid‑level engineers, fostering a culture of continuous learning and professional growth.
• Provide constructive feedback during code reviews, helping to improve the overall quality of the codebase.
• Collaborate with other engineers and departments to ensure seamless integration of new features and technologies.

Continuous Improvement

• Identify and implement best practices, tools, and processes to increase team efficiency, code quality, and system performance.
• Conduct root cause analysis of issues and drive long‑term improvements.
• Stay updated on emerging technologies, bringing innovative solutions and ideas to the team.

Stakeholder Engagement

• Act as a bridge between engineering teams and other departments, communicating complex technical concepts in an accessible manner.
• Participate in technical discussions with senior leadership and contribute to strategic decision‑making.
• Gather and address feedback from stakeholders, ensuring alignment with business goals.

Required Qualifications

• 10+ years of software development experience, with a strong background in large‑scale systems and application architecture.
• Proven experience in one or more programming languages, such as Python, Java, C++, or JavaScript - our stack is based on Python, Flask, Fast API, AWS etc.
• Deep understanding of software design patterns, architecture, and best practices.
• Experience with cloud technologies, distributed systems, and microservices architecture.
• Knowledge of DevOps practices, CI/CD, and automation.
• Excellent problem‑solving skills and the ability to work independently and as part of a team.
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• Strong communication skills with the ability to explain technical concepts to a non‑technical audience.

Preferred Qualifications

• Experience in a Tech Lead or Staff Engineer role.
• Familiarity with modern frontend frameworks and data engineering best practices.

Please note, candidates will need to have the right to work in the jurisdiction that they are looking to work in.

Sokin is an equal opportunities employer and committed to maintaining an inclusive work environment. As a growing global startup with bases across multiple countries, we were established on and continue to promote an agile, flexible working culture. Please reach out to discuss any accommodations you may require during the recruitment process.